CURRICULUM VITAE
and List of
Publications
Nov. 2009
PERSONAL DETAILS
Name: Zvi HaCohen
Date of Birth: November 27, 1947
Place of Birth: Cluj, Rumania
Date of Immigration: 1950
Marital status: Widowed, 2 children
Regular military service: 1965-6
Address at work: Microalgal Biotechnology Laboratory, Albert Katz
Dept. of Desert Biotechnologies, Jacob Blaustein Institutes for Desert Research
(BIDR), Ben-Gurion University of the Negev, Sde-Boker Campus, 84990, Israel
Tel: 972-8-659-6801
Fax: 972-8-659-6888
Email: cohen@bgu.ac.il
Website: http://www.bgu.ac.il/BIDR/research/biotech/algal/cohen.htm
Address at home: 2 Te'ashur St., Omer, P.O.
Box 1504
Tel. at home: 972-8-646-7122
EDUCATION
B.Sc. 1966-70 Bar-Ilan
University, Dept. of Chemistry
M.Sc. 1970-73 Bar-Ilan University, Dept. of
Chemistry
Advisor: Dr. B. Sklarz
Thesis: The Phosphite
Deoxygenation of Bridgehead Nitroso Compounds
Ph.D. 1974-78 Weizmann Institute of
Science, Dept. of Organic Chemistry
Advisor: Prof. Y. Mazur
Thesis: Functionalization of
Unactivated Carbon Atoms: Selective Hydroxylation and Halogenation in Steroids
EMPLOYMENT HISTORY
2002 Professor,
Albert Katz Dep. of Drylands Biotechnologies, Jacob Blaustein Institute for
Desert Research (BIDR), Ben-Gurion University of the Negev (BGU), Sde Boker,
Israel
1996-02 Associate
Professor, BIDR, BGU, Sde Boker, Israel
1991-96 Researcher
Grade A, BIDR, BGU, Sde Boker, Israel
1989-90 Visiting
Scientist, Weed Science Lab., Plant Science Inst., USDA, Beltsville, MD
1987-91 Researcher
Grade B, BIDR, BGU (tenured)
1982-87 Lecturer,
BIDR, BGU
1981 Lecturer,
University of Massachusetts, Worcester, MA
1978-81 Research
Fellow, Harvard Medical School, Boston, MA
1970-73 Teaching
assistant, Department of Chemistry, Bar-Ilan University, Ramat Gan, Israel
Professional Activities
(a)
Position in academic administration
2005- Chairman, Coordinating council of
Israel’s faculty associations
2004-8 Member, Promotions subcommittee, BIDR,
BGU
2004- Member, Higher promotions committee for
research rank, BGU
2003- Member, Intelectual property committee,
BGU
2002-5 Member, Promotions subcommittee,
humanities and social sciences faculty, BGU
1998-01 Director, European Union Large Scale
facility for desert studies, BIDR, BGU
1997-01 Director, the Blaustein International
Center for Desert Studies, BIDR, BGU
1996- Chairman, BGU Faculty Association
1996-04 Member, research studies committee, the
Kreitman School for Advanced Research Studies
1992-7 Member, Steering committee of the Jacob
Blaustein International Center for Desert Studies, BGU
1992-4 Ombudsman for BGU students at the BIDR,
BGU
(b)
Professional functions outside university
2006- Director,
Bashan Foundation
2000-3 Member,
board of directors, Makefet pension fund
(c)
Professional consulting
1986 Ramat
Hovav, Analysis of industrial sewage effluents
1984-85 Agis
Pharmaceutical, Analysis and quality control of active drug ingredients
(d) Editor or member of editorial
board of scientific or professional journal
1994-
Member
of the editorial board of Annals of Microbiology
2009- Member
of the editorial board of Biotechnology Letters
(e) Membership in
professional/scientific societies
Member of the international advisory
committee, The XVth International Symposium on Plant Lipids, 5/2002,
Okazaki, Japan. American Oil Chemists Society, International Phycological
Society
(f) Review of manuscript s/research
proposals
Aquaculture,
Ann. Microbiol., Appl. Biochem. Biotechnol., Aquaculture, Biotechnol. Bioeng.,
Bot. Mar., Chemosphere, Comp. Biochem. Physiol., Europ. J. Phycol., FEMS
Microbiol. Let., Food Tech. Biotech Lett., Ital. J. Food Sci., J. Agric. Food
Chem., J. Amer. Oil Chem. Soc., J. Appl. Phycol., J. Phycol., Lipids, Marine
Biotechnol., Micron, Phytochemistry
US-Israel
Binational Agricultural Research Foundation (BARD), US-Israel Binational
Science Foundation (BSF), The Israel Science Foundation (ISF)
EDUCATIONAL
ACTIVITIES
(a) Courses taught
2000- Analytical
methods, Albert Katz International School for Desert Studies, BIDR, BGU
1995- Organic
chemistry lab course, Dept. of Chemistry
1994-02 General
and inorganic chemistry lab course, Dept. of Chemistry
1993 Organic chemistry, Dept. of Chemistry
1993 3rd International Advanced Training Course on
Algal Biotechnology for graduate students, BIDR
1991 2nd International Advanced Training Course on
Algal Biotechnology for graduate students, BIDR
1988 1st International Advanced Training Course on
Algal Biotechnology for graduate students, BIDR
1982-93 Establishment,
direction and teaching of chemistry courses for gifted children, Dept. of
Chemistry, BGU
1975-7 Chemistry
for gifted children, Weizmann Inst. for Science
1971-4 Chemistry
for gifted children, Dept. of Chemistry, Bar Ilan University
1970-4 Organic
chemistry lab course, Dept. of Chemistry, Bar Ilan University
(b)
Research students and post doctoral fellows
2008- D. Pal, M.Sc. A. Katz International
School for Desert Studies, (with Dr. I. Khozin-Goldberg).
2008- O. Grundman, M.Sc. A. Katz
International School for Desert Studies, (with Dr. I. Khozin-Goldberg, Prof. M.
Shapira and Prof. D. Raveh).
2008- N. Staida, M.Sc. A. Katz International
School for Desert Studies, (with Dr. I. Khozin-Goldberg. Dr. S. Leu and Prof.
S. Boussiba).
2007- S. Smolskaya, M.Sc., A. Katz
International School for Desert Studies, (with Dr. I. Khozin-Goldberg).
2006- U. Iskandarov, Ph.D., A. Katz
International School for Desert Studies, BIDR, BGU (with Dr. I.
Khozin-Goldberg).
2006-8 D. Markovitch, M.Sc., A. Katz
International School for Desert Studies, BIDR, BGU. Examining the production
potential of DGLA by a D5-desaturase-deficient
mutant of P. incisa (with Dr. I.
Khozin-Goldberg).
2005-7 S. Abu Ghosh, M.Sc, A. Katz
International School for Desert Studies, BIDR, BGU (with Dr. I.
Khozin-Goldberg).
2004-7 A. Dagar, M.Sc., A. Katz International
School for Desert Studies, BIDR, BGU (with Dr. I. Khozin-Goldberg and Dr. D.
Zilberg).
2004-5 Dr. Neeru Jain, Post doctoral fellow,
isolation and cloning of TAG biosynthesis genes in Parietochloris incisa.
2003-6 M. Cohen, M.Sc., A. Katz International
School for Desert Studies, BIDR, BGU (with Dr. I. Khozin-Goldberg).
2003-6 G. Darmoni, M.Sc., A. Katz International
School for Desert Studies, BIDR, BGU (with Dr. I. Khozin-Goldberg).
2002-4 M.
Zhekisheva, Ph. D., Correlation of lipids and Astaxanthin production in Haematococcus pluvialis (with Prof. S.
Boussiba).
2002-4 Dr. I. Khalilov, Post doctorate fellow,
Triacylglycerols accumulation in P.
incisa.
2001-5 International Mentor to Dr. Saymarat
Panpoom, Lecturer, Mae Fah Luang University, Chiangrai, Thailand.
2001-4 D. Cohen, M.Sc., Dep. of Chemistry, BGU,
Biosynthesis and role of triacylglycerols in P. incisa (with Dr. I. Khozin-Goldberg).
2001-4 P.
Shrestha, Ph.D., BGU, Production of arachidonic acid by P. incisa.
2001-3 T. Castillo, M.Sc., Biotechnological
Engineering, Polytechnic Institute, Mexico City, Mexico, Selection of
EPA-overproducing clones of Phaeodactylum
tricornutum.
2000-2 Q.
Gao, M.Sc., Albert Katz Int. School for Desert Studies, BGU. Response to
environmental stresses and accumulation of arachidonic acid in two green algae Parietochloris incisa and Neochloris cohaerens (with Prof. A.
Vonshak & S. Boussiba).
2000-2 M.
Zhekisheva, M.Sc., Albert Katz Int. School for Desert Studies, BGU. Correlation
of lipids and Astaxanthin production in Haematococcus
pluvialis, (with Prof. S. Boussiba).
1994-9
D.
Adlerstein, Ph.D., Dept. of Chemistry, BGU. EPA biosynthesis in algae.
1994-9 C.
Bigogno, Ph.D. Dept. of Chemistry, BGU. Elucidation of arachidonic acid
production in Parietochloris incisa.
1994-6 C.
Segura, Ph.D., Dept. of Genetics, Univ. of Almeria, Spain (with Dr. D. Lopez).
1993-5 Dr.
Z. Y. Hu, Post-doctoral fellow. Selection of Porphyridium mutants deficient in lipid biosynthesis.
1992-5 D.
Shiran, M.Sc., Department of Biology, BGU. EPA biosynthesis in algae (with
Prof. Y.M. Heimer).
1992-4 Dr.
I. Khozin, Post-doctoral fellow. Enhancement of oil production in algae and
plants.
1991-2 W.
Siangdung, M.Sc., Department of
materials and energy, King Mongkut's Institute of Technology, Thailand. Selection
of herbicide-resistant GLA-overproducing strains of Spirulina (with Prof. M. Tanticharoen).
1989-90 S.
Cohen, B.Sc., Liverpool Polytechnic. Development of methods for EPA
purification from Porphyridium biomass.
1985-90 J.
Morton, Ph.D., Department of Life Sciences, BGU. Cell membranes function in the
control of the balance of K+ and Na+ in the roots of the wilty mutant Scabrous diminutive of pepper (with
Prof. M. Tal).
Awards,
Honors and Research fellowships
(a)
Awards and Honors
2005- Incumbent
of the Maks and Rochelle Etingin Professorial Chair in Desert Research
1998 Recipient
of the Pasternak prize for Agricultural research
1986-97 Incumbent
of the Sonnenfeldt Career Development Chair in Desert Research
(b)
Fellowships
2005 Visiting
fellowship to the U. of Wageningen, the Netherlands, granted by the ministry of
Agriculture, Israel
1999 Visiting
fellowship to U. of Almeria, Spain, granted by the Ministry of Science, Israel
1994 Visiting
fellowship, Wuhan, China, granted by the Chinese Academy of Science
1993
Visiting
fellowship, National Research Council, Florence, Italy, granted by the Israeli
Academy for Sciences and Humanities and the Italian National Research Council
1989-90 Research
fellowship, US Dept. of Agriculture, Beltsville, MD
SCIENTIFIC PUBLICATIONS
A. Chapters in Books
1. Z.
Cohen (1985) Products from microalgae. In: Handbook
for Algal Mass Culture, A. Richmond ed. (1985) CRC Press, Boca Raton, FL.
p. 421-54.
2. Z.
Cohen, A. Vonshak & A. Richmond (1986) Light and temperature effects on the
fatty acids of Porphyridium cruentum.
In: The metabolism, Structure and Function of plant lipids,
P.K. Stumpf, J.B. Mudd & W.D. Ness, Eds, Plenum press, NY, p. 641-643.
3. Z.
Cohen (1988) Production of eicosapentaenoic and arachidonic acid by the red alga
Porphyridium cruentum. In: Proceedings of the World Conference on
Biotechnology for the Fats and Oils Industry, T.H. Applewhite ed., American
Oil Chemists' Society, Champaign IL, p. 285-7.
4. A.
Golan-Goldhirsh, Y. M. Heimer, Z. Cohen & S.H. Lips. (1988) Pistachio nut
production in the Negev. In: Advances in
Desert Arid Land Technology and Development, Vol. 5, Harwood Academic
Publishers, New York.
5. Z.
Cohen & Y.M. Heimer (1990) Linoleic acid desaturase inhibitors as tools for
selection of GLA over-producing cell lines. In: Plant Lipid Biochemistry, Structure and Utilization. P.J. Quinn
& J.L. Harwood Eds, Portland Press Limited London, p. 414-7.
6. Z.
Cohen & Y. M. Heimer (1992) Production of polyunsaturated fatty acids (EPA,
ARA and GLA) by the microalgae Porphyridium
and Spirulina. In: Industrial application of single cell oil.
D. J. Kyle & C. Ratledge Eds, American Oil Chemists' Society, Champaign IL,
pp 243-73.
7. Z.
Cohen, I. Khozin, D. Shiran, H.A. Norman & P. Pillai (1995) In vivo and in vitro inhhibition of fatty acid desaturation by the antibiotic
cerulenin. In: Plant Lipid Metabolism.
J.C. Kader & P. Mazliak Eds., Kluwer Academic Publishers, p. 462-4.
8. Z.
Cohen (1996) The chemicals of Spirulina.
In: Spirulina platensis
(Arthrospira), Physiology, Cell biology and Biotechnology, A. Vonshak Ed.
Taylor and Francis, London, pp. 175-204.
9. I.
Khozin, H. Zheng Yu, D. Adlerstein, C. Bigogno & Z. Cohen (1997)
Triacylglycerols participate in the eukaryotic pathway of PUFAs biosynthesis in
the red microalga Porphyridium cruentum.
In: Biochemistry and Molecular Biology of
Plant Lipids. J.P. Williams, U.K.
Mobashsher, and W.L. Nora Eds., Kluwer Academic Publishers, Dordrecht, pp.
90-2.
10. I.
Khozin, D. Adlerstein, C. Bigogno & Z. Cohen (1997) Elucidation of the
biosynthesis of eicosapentaenoic acid (EPA) in the microalga Porphyridium cruentum. In: J.P.
Williams, U.K. Mobashsher, and W.L. Nora, Eds., Physiology, Biochemistry and
Molecular Biology of Plant Lipids. Kluwer Academic Publishers, Dordrecht, pp.
93-5.
11. D.
Adlerstein, I. Khozin, C. Bigogno & Z. Cohen (1997) Effect of environmental
conditions on the molecular species composition of galactolipids in the alga Porphyridium cruentum. In: J.P.
Williams, U.K. Mobashsher, and W.L. Nora, Eds, Physiology, Biochemistry and
Molecular Biology of Plant Lipids. Kluwer Academic Publishers, Dordrecht, pp.
218-20.
12. Z.
Cohen (1999) Production of polyunsaturated fatty acids by the microalga Porphyridium cruentum. In: Z. Cohen Ed.,
Production of chemicals by microalgae. Taylor and Francis, London, pp. 1-24.
13. Z.
Cohen (1999) EPA production potential of Monodus.
In: Z. Cohen Ed., Production of chemicals by microalgae. Taylor and Francis,
London, pp. 25-40.
14. P.
Shrestha, I. Khozin-Goldberg & Z. Cohen (2003) Reutilization of arachidonyl
moieties of triacylglycerols in the microalga Parietochloris incisa following recovery from nitrogen starvation.
In: N. Murata, M. Yamada, I. Nishida, H. Okuyama, J. Sekya and H, Wada (eds.)
Advanced Research on Plant Lipids. Kluwer Academic Publishers, Dordrecht,
pp.159-62.
15. C.
Ratledge, H. Streekstra, Z. Cohen & J. Fichtali (2004) Processing aspects
of single cell oils. In: N.T. Dunford and H.B. Dunford, (eds.) Nutritionally
enhanced edible oil processing', American Oil Chemists’ Society, Champaign IL,
pp. 279-98.
16. Z.
Cohen & I. Khozin-Goldberg (2005) Searching for PUFA-rich microalgae. In:
Z. Cohen & C. Ratledge (eds.) Single Cell Oils, American Oil Chemists’
Society, Champaign IL, pp. 53-72.
17. C.
Ratledge, H. Streekstra, Z. Cohen & J. Fichtali (2005) Down-stream
processing, extraction and purification of single cell oils. In: Z. Cohen &
C. Ratledge (eds.) Single Cell Oils, American Oil Chemists’ Society, Champaign
IL, pp. 202-19.
18. Z.
Cohen & I. Khozin-Goldberg (2010) Searching for photosynthetic PUFA-rich
microalgae. In: Z. Cohen & C. Ratledge (eds.) Single Cell Oils, American
Oil Chemists’ Society, Champaign IL, (in press).
B. Refereed Articles in Scientific
Journals
1. Z.
Cohen, E. Keinan, Y. Mazur, & T. H. Varkony (1975) Dry ozonation, a method
for stereoselective hydroxylation of saturated compounds on silica gel. J. Org. Chem., 40, 2141-2.
2. Z.
Cohen, E. Keinan, Y. Mazur, & A. Ullman (1976) Hydroxylation with ozone on
silica gel. The synthesis of 1,25-dihydroxyvitamin D3. Org. Chem., 41, 2651-2.
3. Y.
Mazur, D. Freeman & Z. Cohen (1976) Synthetic approaches to hydroxylated
vitamin D derivatives. Israel J. Med.
Soc., 12, 1488-9.
4. Y.
Mazur, & Z. Cohen (1978) N,N,-dichlorourethane - a selective chlorination
reagent: synthesis of corticoids. Angew.
Chem. Int. Ed., 17, 281-2.
5. Z.
Cohen & Y. Mazur (1979) Tertiary alcohols from hydrocarbons by ozonation on
silica gel: 1-adamantanol. Org. Syn.,
59, 196-200.
6. Z.
Cohen & Y. Mazur (1979) Dry ozonation of steroids. C-25 Functionalization
of cholestane derivatives. J. Org. Chem.,
44, 2318-20.
7. Z.
Cohen, E. Berman, & Y. Mazur (1979) A convenient method for the synthesis
of hydroxyvitamin D3 analogues. Structure determination of tertiary
alcohols by carbon-13 nuclear magnetic resonance spectroscopy. J. Org. Chem., 44, 3077-80.
8. R.
N. Hanson, M. A. Davis & Z. Cohen (1980) Cardioselective radiolabeled beta
andrenergic antagonists as potential myocardial imaging agents. J. Nucl. Med., 21, 55-8.
9. Z.
Cohen, S. E. Seltzer & M. A. Davis (1981) Iodinated starch particles: New
contrast material for computed tomography of the liver. J. Assisted Tomography, 5, 843-6.
10. A.
Vonshak, Z. Cohen & A. Richmond (1985) The feasibility of mass cultivation
of Porphyridium. Biomass, 8, 13-25.
11. D.
Kaplan, Z. Cohen & A. Abeliovich (1985) Optimal growth conditions for Isochrysis galbana. Biomass, 9, 37-48.
12. A.
Vonshak, Z. Cohen & A. Richmond (1986) The potential use of Porphyridium biomass for valuable
natural products. Beihefte Nova Hedwigia,
83, 136-.
13. S.
Boussiba, A. Vonshak, Z. Cohen, Y. Avissar & A. Richmond (1987) Lipid and
biomass production by the halotolerant microalga Nannochloropsis salina. Biomass,
12, 37-47.
14. Z.
Cohen, A. Vonshak & A. Richmond (1987) Fatty acid composition in different Spirulina strains and under various
environmental conditions. Phytochemistry,
26, 2255-8.
15. Z.
Cohen (1987) Production of eicosapentaenoic acid and arachidonic acid by the
alga Porphyridium cruentum. J. Am. Oil Chem. Soc. 64, 1261-2.
16. S.
Boussiba, E. Sandbak, Z. Cohen, A. Vonshak, A. Ben Amotz, G. Shelef & A.
Richmond (1988) Outdoor cultivation of the marine microalga Isochrysis galbana in open Reactors. Aquaculture, 72, 244-53.
17. Z.
Cohen, A. Vonshak, S. Boussiba & A. Richmond (1988) The effect of
temperature and cell concentration on fatty acid composition of outdoor
cultures of Porphyridium cruentum.
In: Algal biotechnology. T. Stadler,
J. Mollion, M-C. Verdus, Y. Karamanos, H. Morvan & D. Christiaen, Eds.
Elsevier Applied Science, London, pp. 421-9.
18. Z.
Cohen, A. Vonshak & A. Richmond (1988) Effect of environmental conditions
on fatty acid composition of the red alga Porphyridium
cruentum: correlation to growth rate. J.
Phycol., 24, 328-32.
19. Z.
Cohen & Y. M. Heimer (1990) D6 desaturase inhibition: A novel mode of action of
Norflurazon. Plant Phys., 93, 347-9.
20. Z.
Cohen (1990) The production potential of eicosapentaenoic acid and arachidonic
acid of the red alga Porphyridium
cruentum. J. Am. Oil Chem. Soc.,
67, 916-20.
21. Z.
Cohen & S. Cohen (1991) Preparation of eicosapentaenoic acid concentrate
from Porphyridium cruentum. J. Am. Oil Chem. Soc., 68, 16-9.
22. Z.
Cohen & A. Vonshak (1991) The fatty acid composition of Spirulina-like cyanobacteria as a tool
for chemotaxonomy. Phytochemistry,
30, 205-6.
23. Z.
Cohen, S. Didi & Y. M. Heimer (1992) Over-production of g-linolenic and eicosapentaenoic acids by
algae. Plant Phys., 98, 569-72.
24. Z.
Cohen, H. A. Norman & Y.M. Heimer (1993) Potential use of substituted
pyridazinones for selecting polyunsaturated fatty acid overproducing lines of
algae. Phytochemistry, 32, 259-64.
25. Z.
Cohen, M. Reungjitchachawali, W. Siangdung, & M. Tanticharoen (1993)
Production and partial purification of g-linolenic acid and some pigments from Spirulina platensis. J. Appl.
Phyc., 5, 109-15.
26. E.
Shochat, I. Hermoni, S. Belkin. Z. Cohen & A. Abeliovich (1993)
Bromoalkane-degrading Pseudomonas
species. App. and Env. Microbiol. 59,
1403-9.
27. Z.
Cohen, M. Reungjitchachawali, W. Siangdung, M. Tanticharoen & Y. M. Heimer
(1993) Herbicide resistant lines of microalgae: Growth and fatty acid
composition. Phytochemistry 34,
973-8.
28. M.
Tanticharoen, M. Reungjitchachawali, B. Bunnag, A. Vonshak & Z. Cohen
(1994) Optimization of g-linolenic
acid (GLA) production in Spirulina
platensis. J. Appl. Phycol., 6,
295-300.
29. Z.
Cohen (1994) Production of eicosapentaenoic acid by the alga Monodus subterraneus. J. Am. Oil Chem. Soc., 71, 941-5.
30. Z.
Cohen, H. A. Norman & Y.M. Heimer (1995) Microalgae as a source of omega-3
fatty acids. World Rev. Nutr. Dietetics,
77, 1-31.
31. Z.
Cohen, M.C. Margheri & L. Tomaselli (1995) Chemotaxonomy of cyanobacteria. Phytochemistry 40, 1155-8.
32. L.
Fan, A. Vonshak, R. Gabbay, J. Hirshberg, Z. Cohen & S. Boussiba (1995) The
biosynthetic pathway of astaxanthin in Haematococcus
pluvialis as indicated by diphenylamine. Plant Cell Physiol. 36, 1519-24.
33. D.L.
Alonso, C.I. Segura del Castillo, E.M. Grima & Z. Cohen (1996) First
insights into improvement of eicosapentaenoic acid content in Phaeodactylum tricornutum
(Bacillariophyceae) by induced mutagenesis. J.
Phycol. 32, 339-45.
34. M.N.
Merzlyak, I. Khozin & Z. Cohen (1996) Spectrophotometric analysis of
carotenoids in plant extracts based on elimination of chlorophyll absorption. Phytochem. Anal. 7, 294-9.
35. M.N.
Merzlyak, S.I. Pogosyan, L. Lehimena, T.V. Zhigalova, I.F. Khozin & Z.
Cohen (1996) Characterization of chlorophyll photooxidation products generated in vitro and during photodamage to the
cyanobacterium Anabaena variabilis. Russ. J. Plant Physiol. 43, 186-.
36. I.
Khozin & Z. Cohen (1996) Differential response of microalgae to the
substituted pyridazinone Sandoz 9785, reveals different pathways in the
biosynthesis of eicosapentaenoic acid (EPA). Phytochemistry 42, 1025-9.
37. S.
Watanabe, S. Hirabayashi, Z. Cohen, A. Vonshak & A. Richmond (1996) Parietochloris incisa comb. nov.
(Trebouxiouphyceae, Chlorophyta) Phycol.
Res. 44, 107-8.
38. D.
Shiran, I. Khozin, Y.M. Heimer & Z. Cohen (1996) Biosynthesis of
eicosapentaenoic acid in Porphyridium
cruentum. I: The use of externally supplied fatty acids. Lipids 31, 1277-82.
39. H.
Qiang, H. Zhengyu, Z. Cohen & A. Richmond (1997) Enhancement of
eicosapentaenoic acid (EPA) and g-linolenic acid (GLA) production by manipulating cell density
in outdoor cultures of Monodus
subterraneus (Eustigmatophyte) and Spirulina
platensis (Cyanobacterium). Europ. J.
Phycol. 32, 81-6.
40. Z.
Cohen, D. Shiran, I. Khozin & Y.M. Heimer (1997) Fatty acid unsaturation in the red
alga Porphyridium cruentum. Is the
methylene interrupted nature of plant polyunsaturated fatty acids an intrinsic
property of the desaturases. Biochim.
Biophys. Acta 1344, 59-64.
41. I.
Khozin, D. Adlerstein, C. Bigogno, Y. M. Heimer & Z. Cohen (1997)
Elucidation of the biosynthesis of EPA in the microalga Porphyridium cruentum II: Radiolabeling studies. Plant Physiol. 114, 223-30.
42. D.
Adlerstein, I. Khozin & Z. Cohen (1997) Effect of environmental conditions
on the molecular species composition of galactolipids in the alga Porphyridium cruentum. J. Phycol. 33, 975-9.
43. I.
Khozin, C. Bigogno & Z. Cohen (1999) Salicylhydroxamic acid inhibits D6 desaturation in the microalga Porphyridium cruentum. Biochim. Biophys. Acta 1439, 384-94.
44. N.
Zou, C. Zhang, Z. Cohen & A. Richmond (2000) Production of cell mass and
eicosapentaenoic acid (EPA) in ultrahigh cell density cultures of Nannochloropsis sp. (Eustigmatophyceae).
Europ. J. Phycol. 35, 127-33.
45. I.
Khozin-Goldberg, Z.Y. Hu, D. Adlerstein, S. Didi Cohen, Y.M. Heimer & Z.
Cohen (2000) Triacylglycerols of the red microalga Porphyridium cruentum participate in the biosynthesis of eukaryotic
galactolipids. Lipids 5, 881-9.
46. Z.
Cohen, I. Khozin-Goldberg, D. Adlrestein & C. Bigogno (2000) The role of
triacylglycerols as a reservoir of polyunsaturated fatty acids for the rapid
production of chloroplastic lipids in certain microalgae. Biochem. Soc. Trans. 28, 740-3.
47. Z.
Cheng-Wu, Z. Cohen, I. Khozin-Goldberg & A. Richmond (2002)
Characterization of growth and arachidonic acid production of Parietochloris incisa comb. nov
(Trebouxiophyceae, Chlorophyta). J. Appl.
Phycol. 14, 453-60.
48. M.
Zhekisheva, S. Boussiba, I. Khozin-Goldberg, A. Zarka & Z. Cohen (2002)
Accumulation of oleic acid in Haematococcus
pluvialis (chlorophyceae) under nitrogen starvation or high light, is
correlated with that of astaxanthin esters. J.
Phycol. 38, 325-31.
49. C.
Bigogno, I. Khozin-Goldberg, D. Adlerstein & Z. Cohen (2002) Biosynthesis
of arachidonic acid in the oleaginous microalga Parietochloris incisa (Chlorophyceae): Radiolabeling studies. Lipids 37, 209-16.
50. C.
Bigogno, I. Khozin-Goldberg & Z. Cohen (2002) Accumulation of arachidonic
acid and triacylglycerols in the microalga Parietochloris
incisa (Chlorophyceae). Phytochemistry
60, 135-43.
51. C.
Bigogno, I. Khozin-Goldberg, S. Boussiba, A. Vonshak & Z. Cohen (2002)
Lipid and fatty acid composition of the green alga Parietochloris incisa. Phytochemistry
60, 497-503.
52. I.
Khozin-Goldberg, S. Didi-Cohen & Z. Cohen (2002) Biosynthesis of eicosapentaenoic
acid (EPA) in the fresh water eustigmatophyte Monodus subterraneus. J.
Phycol. 38, 745-56.
53. J.G.
Liu, Z. Cohen & A. Richmond (2002) Fatty acid profile in a high cell
density culture of arachidonic acid-rich Parietochloris
incisa (Trebouxiophyceae, Chlorophyta) exposed to high PFD. Chi. J. Oceanol. Limnol. 20, 149-56.
54. I.
Khozin-Goldberg, C. Bigogno, & Z. Cohen (2002) Nitrogen starvation induced
accumulation of arachidonic acid in the freshwater green alga Parietochloris incisa. J. Phycol. 38, 991-4.
55. S.
Rozner, J. Eichler, S. Kolusheva, Z. Cohen, W. Dowhan & R. Jelinek (2003)
Detection and analysis of membrane interactions by a biomimetic colorimetric
lipid/polydiacetylene assay. Anal.
Biochem. 319, 96-104.
56. A.
Ivanova, I. Khozin-Goldberg, Z. Kamenarska, J. Nechev, Z. Cohen, S. Popov,
& K. Stefanov (2003) Lipophylic compounds from Euphorbia peplis L. - a halophytic plant from the Bulgarian Black
Sea coast. Z. Naturforsch. 58c:
783-8.
57. B.
Aricha, Z. Cohen, I. Khozin-Goldberg, I. Fishov, R.
Dagan & N. Porat (2004) Differences in membrane fluidity between
phenotypic variants of Streptococcus pneumoniae. J.
Bacteriol. 186, 4638-44.
58. M.
Zhekisheva, A. Zarka, I. Khozin-Goldberg, Z. Cohen & S. Boussiba (2005)
Astaxanthin accumulation in the green alga Haematococcus
pluvialis (Chlorophycease) under high light irradiance depends on de novo synthesis of fatty acids. J. Phycol. 41, 819-26.
59. I.
Khozin-Goldberg, P. Shrestha & Z. Cohen (2005) Mobilization of arachidonyl
moieties from triacylglycerols into chloroplastic lipids following recovery
from nitrogen starvation of the microalga Parietochloris
incisa. Biochim. Biophys. Acta 1738,
63-71.
60. I.
Khozin-Goldberg, & Z. Cohen (2006) Effect of phosphate starvation on the
lipid and fatty acid composition of the eustigmatophyte Monodus subterraneus and its implication on the biosynthesis of
“eukaryotic-like” and “prokaryotic-like” molecular species of galactolipids. Phytochemistry 67, 696-701.
61. I.
Khozin-Goldberg, Z. Cohen, M. Pimenta-Leibowitz, J. Nechev, & D. Zilberg
(2006) Feeding
with arachidonic acid-rich triacylglycerols from the microalga Parietochoris incisa increased recovery
of guppies from infection with Tetrahymena
sp. Aquaculture
255, 142-50.
62. S. Pesakhov, R. Benisty, N. Sikron, Z.
Cohen, I. Khozin-Goldberg, R. Dagan, N. Porat (2007) Effect of
hydrogen peroxide production and the fenton reaction on membrane composition of
Streptococcus pneumoniae. Biochem. Biophys. Acta - Biomembranes
1768, 590-97.
63. M.N.
Merzlyak, O.B. Chivkunova, O.A. Gorelova, I.V. Reshetnikova, A.E.
Solovchenko, I. Khozin-Goldberg & Z. Cohen (2007) Effect of nitrogen starvation on optical properties,
pigments and arachidonic acid content of the unicellular green alga Parietochloris incisa (trebouxiophyceae)
chlorophyta. J. Phycol. 43, 833-43.
64. A.E.
Solovchenko, I. Khozin-Goldberg, S. Didi-Cohen, Z. Cohen & M.N. Merzlyak
(2008) Effects of light intensity and nitrogen starvation on growth, total
fatty acids and arachidonic acid in the green microalga Parietochloris incisa. J.
Appl. Phycol. 20, 245-51.
65. A.E.
Solovchenko, I. Khozin-Goldberg, S. Didi-Cohen, Z. Cohen & M.N. Merzlyak
(2008) Effects of light and nitrogen starvation on the content and composition
of carotenoids of the green microalga Parietochloris
incisa. Russ. J. Plant Physiol.
53, 455-62.
66. A.E. Solovchenko, M.N. Merzlyak, O.B. Chivkunova, I.V.
Reshetnikova, I. Khozin-Goldberg, S. Didi-Cohen & Z. Cohen (2008) Effects
of illumination and nitrogen starvation on accumulation of arachidonic acid by the
microalga Parietochloris incisa. Moscow
Univ. Biol. Sci. Bull. 63, 44-8.
67. C. Ratledge, Z. Cohen (2008) Microbial and algal oils: do they have a future for biodiesel or as commodity oils? Lipid Technol. 20, 155-60.
68. A.E., Solovchenko, I. Khozin-Goldberg, Z. Cohen & M.N. Merzlyak (2009) Carotenoid-to-chlorophyll ratio as a proxy for assay of total fatty acids and arachidonic acid content in the green microalga Parietochloris incisa. J. Appl. Phycol. 20, 361-6.
69. U. Iskandarov, I. Khozin-Goldberg, R. Ofir & Z. Cohen (2009) Cloning and characterization of the ∆6 polyunsaturated fatty acid elongase from the green microalga Parietochloris incisa. Lipids 44, 545-54.
70. A.
Dagar, D. Zilberg, Z. Cohen, S. Boussiba & I. Khozin-Goldberg (2009)
Short-term dietary supplementation with the microalga Parietochloris incisa enhances stress resistance in guppies Poecilia reticulata. Aquacult. Res. (in press).
71. A. Solovchenko, M. Merzlyak, I.
Khozin-Goldberg, Z. Cohen, & S. Boussiba (2009) Coordinated carotenoid and lipid syntheses
induced in Parietochloris incisa
(chlorophyta, trebouxiophyceae) mutant deficient
in D5 desaturase by
nitrogen starvation and high light. J.
Phycol. (in press).
C.
Editorship of collective volumes and scientific journals
Z. Cohen (Ed.) (1999) Chemicals from
microalgae. Taylor and Francis, London, 450 pp.
Z.
Cohen & C. Ratledge (Eds.) (2005) Single Cell oils, American Oil Chemists’
Society, Champaign IL, 257 pp.
Z.
Cohen & C. Ratledge (Eds.) (2010) Single Cell oils II, American Oil Chemists’
Society, Champaign IL, XXX pp. (in press).
D. Published scientific reports and
technical papers
1. S.
Boussiba, A. Vonshak, Z. Cohen, A. Abeliovich, D. Kaplan & A. Richmond
(1985) Development of an outdoor system for production of lipid-rich halotolerant
microalgae. SERI Aquatic Species Review,
SERI/CP-231-2700, pp. 271-88.
E. Scientific Reports
1. Literature
Survey and species recommendation on halotolerant lipid-producing algae (1983).
Submitted to SERI (Solar Energy Research Institute), Dept. of Energy, USA.
2. Studying
the feasibility of developing an algal marine culture system for the production
of valuable chemicals (1984). Final report, submitted to BARD.
3. Development
of an outdoor system for production of lipid-rich halotolerant microalgae
(1984). Annual report, submitted to SERI.
4. The
effect of light on the mass production in two halotolerant microalgae Nannochloropsis salina and Isochrysis galbana
(1985). Submitted to SERI.
5. Extraction
of chemicals from the alga Porphyridium
(1986). Annual report, submitted to the National Council for Research and
Development.
6. Production
of eicosapentaenoic acid by the alga Porphyridium
(1987). Annual report, submitted to the National Council for Research and
Development.
7. Separation
and purification of eicosapentaenoic acid from Porphyridium (1988). Annual report, submitted to the National
Council for Research and Development.
8. Effect
of environmental conditions on outdoor production of EPA in Porphyridium (1989). Annual report,
submitted to the Agency for International Development, USA.
9. The
production potential of EPA and AA of the red alga Porphyridium (1989). Submitted to the Agency for International
Development, USA (AID).
10. Effect
of environmental and nutritional conditions on GLA production in Spirulina. (1989). Annual report,
submitted to the Agency for International Development, USA
11. Effects
of substituted pyridazinons on fatty acid desaturation in Spirulina (1990). Annual report, submitted to the Agency for
International Development, USA.
12. Linoleic
acid desaturase inhibitors as tools for selection of EPA over-producing lines
in Porphyridium (1990). Annual
report, submitted to the Agency for International Development, USA.
13. Overproduction
of GLA in Spirulina (1993). Final
report, submitted to the Agency for International Development, USA.
14. Enhanced
oil production in plants (1993). Final report, submitted to the PEF foundation.
15. Chemical
composition of snow algae (1993). Annual report, submitted to the System Research
Institute, Japan.
16. Production
of arachidonic acid by snow algae (1994). Annual report, submitted to the
System Research Institute, Japan.
17. Production
of eicosapentaenoic acid (EPA) by microalgae (1994). Final report, submitted to
the Agency for International Development, USA.
18. Enhancement
of the arachidonic acid content of a snow alga (1995) Annual report, submitted
to the System Research Institute, Japan.
19. Elucidation
of eicosapentaenoic acid (EPA) biosynthesis in Porphyridium cruentum (1995). Annual report, submitted to the
Ministry of Science.
20. Elucidation
of eicosapentaenoic acid (EPA) biosynthesis in Porphyridium cruentum (1996). Annual report, submitted to the
Ministry of Science.
21. Inducing
oil production in plants (1996). Final report, submitted to the RASHI
foundation.
22. Elucidation
of eicosapentaenoic acid (EPA) biosynthesis in Porphyridium cruentum (1997). Final report, submitted to the
Ministry of Science.
23. Production
of EPA from Monodus (1998). Annual
report, submitted to BRITE (EU).
24. Biosynthesis
of EPA in Monodus (1999). Annual
report, submitted to BRITE (EU).
25. Production
of EPA from microalgae (2000). Final report, submitted to BRITE (EU).
26. Production
of AA in Parietochloris incisa (2003).
Annual report, submitted to AID.
INVITED LECTURES
1990 Enhancement
of oil production in algae and higher plants, E. I. Dupont Research Institute,
Wilmington DE.
1990 Production
of polyunsaturated fatty acids by microalgae, Workshop on AID/SCI Funded
Research in Agricultural Biotechnology, Kasetsart University, Bangkok Thailand.
1991 Production
of EPA and AA by the red alga Porphyridium
cruentum, Single Cell Oils Symposium, 81st Meeting of the American Oil Chemists' Society,
Chicago IL.
1993 Fatty
acid overproduction in algae, 6th International Meeting of the SAA Recent
Progress in Algal Biotechnology, Trebon, Czech Republic.
1993 Polyunsaturated
fatty acid biosynthesis in Porphyridium
cruentum. CNR Florence, Italy.
1994 Biosynthesis
of EPA in microalgae. The institute for applied algology, University of Las
Palmas, Gran Canaria, Canary Islands, Spain.
1994 Microalgal
production of PUFA. University of Seville, Seville, Spain.
1995 Physiological,
biochemical and genetic means for enhancing EPA content in Porphyridium cruentum. University of Madrid summer course,
Aguadulce, Spain.
1996 Biosynthesis
of EPA in Porphyridium cruentum.
University of Almeria, Almeria, Spain.
1996 Biosynthesis
of PUFA in microalgae. King Mongkut Institute of Technology, Bangkok, Thailand.
1999 PUFAs
in microalgae. Session chairman, 8th International Conference on
Applied Algology, Montecatini Terme, Italy (invitation declined).
2002 Production
of arachidonic acid by microalgae. 9th International Conference on
Applied Algology, Almeria, Spain (invitation declined).
2002 Biotechnological
applications of PUFAs and pigments from microalgae. Center for Biotechnological
Investigations of the North-West (CIBNOR), La Paz, Mexico.
2002 Production
of AA in microalgae: Center for Biotechnological Investigations of the
North-West (CIBNOR), La Paz, Mexico.
2002 Production
and biosynthesis of arachidonic acid in microalgae. Dept. of Biotechnological
Engineering, Polytechnic Institute (CINVESTAV), Mexico City, Mexico.
2002 The
Potential of Biotechnology for alternative crops in desert areas. Universidad
Autonoma De Hidalgo, Pachuca, Mexico.
2002 Biotechnological
production of algae. Universidad Nacional Autónoma de México
(UNAM), Mexico city, Mexico.
2003 Accumulation
of PUFA-rich triacylglycerols in microalgae. Single Cell Oils Symposium, 93rd
Meeting of the American Oil Chemists' Society, Kansas city.
2003 Why
bother with microalgae? Center for Biotechnological Investigations of the
North-West (CIBNOR), La Paz, Mexico.
2003 Biosynthesis
of EPA in microalgae. Dept. of Biotechnological Engineering, Polytechnic
Institute (CINVESTAV), Mexico City, Mexico. Dept. of Biotechnological
Engineering, Polytechnic Institute (CINVESTAV), Mexico City, Mexico.
2003 Production
of arachidonic acid in microalgae. Institute of Chemistry and Institute of
Marine studies, Universidad Nacional Autónoma de México (UNAM),
Mexico city, Mexico.
2004 How
to find PUFA-rich microalgae? Center for Biotechnological Investigations of the
North-West (CIBNOR), La Paz, Mexico.
2004 Why
bother with microalgae? University of Namibia, Windhoek, Namibia.
2008 How
to find PUFA-rich microalgae? 11th International Conference on
Applied Algology, Galway, Ireland
PROCEEDINGS OF MEETINGS
1. Z.
Cohen & Y. Mazur, (1978) Chromic anhydride on silica gel. A useful specific
oxidation reagent. Annual Meeting of the Israel Chemical Society, Haifa.
2. R.
N. Hanson, J. Blumberg, Z. Cohen, B. L. Holman & M. A. Davis, (1979)
Synthesis and biologic evaluation of 125I-cardioselective
beta-antagonists as myocardial imaging agents. 178th American
Chemical Society National Meeting, Washington, D.C.
3. R.N.
Hanson, B.L. Holman, Z. Cohen & M.A. Davis, (1979) Myocardial imaging
agents: Comparison of 201Tl and radio-iodinated beta adrenoceptor
antagonists in a damaged rat heart model. Society of Nuclear Medicine Annual
Meeting, Atlanta, GA.
4. Z. Cohen, (1984) Rapid analysis
of fatty acids in lipids. Annual Meeting of the Israel Chemical Society,
Jerusalem.
5. A.
Vonshak, Z. Cohen & A. Richmond, (1984) The potential use of Porphyridium biomass for valuable
natural products. Algal Biomass Workshop, Golden, CO.
6. Z. Cohen, (1984) Quick and
efficient GC and HPLC lipid analysis: Lipid hydrolysis and conversion to fatty
acids methyl esters utilizing solid supported reagents. 2nd
International Symposium on Polymer-supported reactions in Organic Chemistry,
Lancaster, UK.
7. Z.
Cohen, A. Vonshak & A. Richmond, (1986) The effect of environmental
conditions on fatty acid composition of Porphyridium
cruentum. International Symposium on Plant Lipids, Davis, CA.
8. A.
Golan-Goldhirsh, Y. M. Heimer, Z. Cohen & S. H. Lips, (1987) Pistachio Nut
Production in the Negev. 2nd International Conference
on Desert Development, Cairo, Egypt.
9. Z. Cohen, A. Vonshak, S.
Boussiba & A. Richmond, (1987) The effect of temperature and cell
concentration on fatty acid composition of outdoor cultures of Porphyridium cruentum. 4th International
Meeting of the SAA Recent Progress in Algal Biotechnology, Villeneuve D'ascq,
France.
10. Z.
Cohen, (1987) Production of eicosapentaenoic and arachidonic acid by the red
alga Porphyridium cruentum. World
Conference in Biotechnology for the fats and oils industry, Hamburg, Germany.
11. Z.
Cohen, (1988) Effect of environmental conditions on fatty acid composition of
the red alga Porphyridium cruentum:
correlation to growth rate. 8th International Symposium on Plant
Lipids, Budapest, Hungary.
12. Z.
Cohen & Y.M. Heimer, (1990) Linoleic acid desaturase inhibitors as tools
for selection of GLA over-producing lines in Spirulina. 9th International Symposium on
Plant Lipids, Wye, England.
13. Z.
Cohen, (1990) Porphyridium cruentum -
an alternative EPA producer. 81st Meeting of the American Oil
Chemists' Society, Baltimore, MD.
14. J.R. Morton, Z. Cohen & M.
Tal, (1990) ATPase activity and lipid composition of the microsomal membrane
preparation from roots of the wilty mutant of pepper, Scarbus diminutive. 7th Congress of the Federation of
European Societies of Plant Physiology, Umea, Sweden.
15. Z.
Cohen, (1990) Production of EPA by Porphyridium
cruentum. Annual Meeting of the Phycological Society of America, College
Park, MD.
16. Z.
Cohen & Y. M. Heimer, (1991) Production of polyunsaturated fatty acids
(EPA, ARA and GLA) by the microalgae Porphyridium
and Spirulina. 83rd Meeting of the American Oil Chemists' Society,
Chicago, IL.
17. Z.
Cohen & D. Shiran, (1993) Biosynthesis and overproduction of EPA in
microalgae. 6th International Conference on Applied Algology,
Ceske Budjeovice, Czech Republic.
18. W.
Siangdung, M. Tanticharoen, B. Bunaag & Z. Cohen, (1993) Selection of Spirulina platensis strains resistant to
SAN 9785 for a high g-linolenic
acid producer. 6th International Conference on Applied Algology,
Ceske Budjeovice, Czech Republic.
19. W.
Siangdung, M. Tanticharoen, B. Bunaag & Z. Cohen, (1993) Effect of SAN 9785
on growth, photosynthesis and fatty acid composition in Spirulina platensis. 6th International Conference on
Applied Algology, Ceske Budjeovice, Czech Republic.
20. I.
Khozin, H. A. Norman, D. Shiran & Z. Cohen, (1994) The inhibitory effect of
cerulenin on linoleic acid desaturation. 11th International Symposium on
Plant Lipids, Paris, France.
21. M.
Tanticharoen, B. Bunnag, W. Siangdung, W. Chanasattru, P. Tantiwachwuttikul
& Z. Cohen, (1994) Spirulina as a
source of high value chemicals. 2nd Asia-Pacific Conference on Algal
Biotechnology, Singapore.
22. L.
Fan, S. Boussiba, Y. Hirshberg, R. Gabbay, Z. Cohen & A. Vonshak, (1994)
The physiological role of astaxanthin in Haematococcus
pluvialis (chlorophyceae).
23. Z.
Cohen, I. Khozin, D. Adlerstein, C. Bigogno, D. Shiran, Z.-Y. Hu & Y.
Heimer, (1996) Biosynthesis of eicosapentaenoic acid (EPA) in the red microalga
Porphyridium cruentum. 7th
International Conference “Opportunities from micro- and macroalgae”, Knysna,
South Africa.
24. Z.
Cohen, (1996) The Potential of microalgae as a source of PUFAs. 7th
International Conference “Opportunities from micro- and macroalgae”, Knysna,
South Africa.
25. I.
Khozin, D. Adlerstein, C. Bigogno & Z. Cohen, (1996) Elucidation of the
biosynthesis of eicosapentaenoic acid (EPA) in the microalga Porphyridium cruentum. 12th
International Symposium on Plant Lipids, Toronto, Canada.
26. I.
Khozin, H. Zheng Yu, D. Adlerstein, C. Bigogno & Z. Cohen (1996)
Triacylglycerols participate in the eukaryotic pathway of PUFAs biosynthesis in
the red microalga Porphyridium cruentum.
12th International Symposium on Plant Lipids, Toronto, Canada.
27. D.
Adlerstein, I. Khozin, C. Bigogno & Z. Cohen (1996) Effect of environmental
conditions on the molecular species composition of galactolipids in the alga Porphyridium cruentum. 12th
International Symposium on Plant Lipids, Toronto, Canada.
28. D.
Adlerstein, C. Bigogno, I. Khozin & Z. Cohen (1997) Studies of
eicosapentaenoic acid biosynthesis in the microalga Porphyridium cruentum 4th International Congress on
Essential Fatty Acids, Edinburgh, Scotland.
29. I.
Khozin, C. Bigogno, D. Adlerstein & Z. Cohen (1998) Salicylhydroxamic acid
inhibits D6 desaturation in the microalga Porphyridium cruentum. 13th
International Symposium on Plant Lipids, Seville, Spain.
30 C.
Bigogno, D. Adlrestein, I. Khozin & Z. Cohen (1998) Biosynthesis of
arachidonic acid in the alga T12. 13th International Symposium on
Plant Lipids, Seville, Spain.
31. Z.
Cohen, C. Bigogno & I. Khozin-Goldberg (1999) Microalgae as a source of the
polyunsaturated fatty acid arachidonic acid. 8th International
Conference on Applied Algology, Montecatini Terme, Italy.
32. J.
Liu, Z. Cohen & A. Richmond (1999) Changes in the fatty acid profile in a
high cell density culture of arachidonic acid-rich T12 (a snow alga) exposed to
high PFD. 8th International Conference on Applied Algology,
Montecatini Terme, Italy.
33. J.
Yan, S. Boussiba, Z. Cohen & A. Vonshak (1999) Quantitative studies on the
growth and EPA productivity of Monodus
subterraneus. 8th International Conference on Applied Algology,
Montecatini Terme, Italy.
34. Z.
Cohen, I. Khozin-Goldberg, D. Adlerstein & C. Bigogno (2000) The role of
triacylglycerol as a reservoir of polyunsaturated fatty acids for the rapid
production of chloroplastic lipids in certain algae. 14th
International Symposium on Plant Lipids, Cardiff, UK.
35. M.
Zhekisheva, S. Boussiba, I. Khozin-Goldberg, I. Zarka & Z. Cohen (2001)
Accumulation of triacylglycerols in Haematococcus
pluvialis is correlated with that of astaxanthin esters. 7th
International Congress of Phycology, Thessaloniki, Greece.
36. P.
Shrestha, I. Khozin-Goldberg & Z. Cohen (2002) Reutilization of arachidonyl
moieties of triacylglycerols in the microalga Parietochloris incisa following recovery from nitrogen starvation.
15th International Symposium on Plant Lipids, Okazaki, Japan.
37 T. Castillo, F.X.
Arredondo-Vega, N.Y. Hernandez-Saavedra, Z. Cohen & B.O. Arredondo-Vega
(2002) Molecular biology studies of the Phaeodactylum
tricornutum D5 desaturase. 9th International Conference on Applied
Algology, Almeria, Spain.
38. Z.
Cohen & I. Khozin-Goldberg (2003) Role and production of arachidonic acid
in the microalga Parietochloris incisa.
1st European Symposium on Plant Lipids, Aachen, Germany.
39. D.
Cohen, P. Shrestha, I. Khozin-Goldberg, M. N. Merzlyak & Z. Cohen (2003)
Purification and characterization of oil-bodies from the cells of the
arachidonic acid-producing alga Parietochloris
incisa. 1st European Symposium on Plant Lipids, Aachen, Germany.
40. P.
Shrestha, D. Cohen, I. Khozin-Goldberg & Z. Cohen (2003) Triacylglycerol
biosynthesis in microsomes of the oleaginous green alga Parietochloris incisa. 1st European Symposium on Plant
Lipids, Aachen, Germany.
41. M.
Zhekisheva, A. Zarka, I. Khozin-Goldberg, S. Boussiba & Z. Cohen (2003)
Astaxanthin accumulation in Haematococcus
pluvalis depends on the de novo
fatty acid synthesis. 1st European Symposium on Plant Lipids,
Aachen, Germany.
42. P.
Shrestha, I. Khozin-Goldberg & Z. Cohen (2002) Reutilization of arachidonyl
moieties of triacylglycerols in the microalga Parietochloris incisa following
recovery from nitrogen starvation, 15th International Symposium on
Plant Lipids, Okazaki, Japan.
43. P.
Shrestha, D, Cohen, I, Khalilov, I. Khozin-Goldberg & Z. Cohen (2004)
Triacylglycerol biosynthesis in microsomes and oil bodies of the oleaginous
green alga Parietochloris incisa.
16th International Symposium on Plant Lipids, Budapest, Hungary.
44. I.
Khalilov, I. Khozin-Goldberg & Z. Cohen (2004) Initial studies on the fatty
acid desaturase genes in the unicellular green algae Parietochloris incisa. 16th
International Symposium on Plant Lipids, Budapest, Hungary.
45. M.N.
Merzlyak, A.E. Solovchenko, O.B. Chivkunova, I. Khozin-Goldberg, S. Didi-Cohen
& Z. Cohen (2005) Effects of light and nitrogen availability on growth and
accumulation of arachidonic acid by the microalga Parietochloris incisa. Proceedings of the International Congress,
March 14-18, 2005. Moscow, Russia. Part 1. pp. 347-348.
46. A.
Dagar, Z, Cohen, I. Khozin-Goldberg & D. Zilberg (2006) Supplementation of
dietary arachidonic acid from the microalga
Parietochloris incisa to induce stress resistance in
guppy (Poecilia reticulata)”, 4th Euro Fed Lipid
Congress- Fats, Oils and Lipids for a Healthier Future, Madrid, Spain.
47. A.
Dagar , I. Khozin-Goldberg, Z, Cohen, S. Boussiba & D. Zilberg (2007)
Application of dietary arachidonic acid from the microalga Parietochloris incisa as an
immunostimulant in fish. 8th International Marine
Biotechnology Conference (IMBC), Eilat, Israel.
48. U.
Iskandarov, I. Khozin-Goldberg, R. Ofir & Z. Cohen (2007) Cloning and
functional characterization of a PUFA elongase from the green microalga Parietochloris incisa. 3rd European
Symposium on Plant Lipids, York, Great Britain.
49. S. Abu-Gosh, I. Khozin-Goldberg, S. Didi-Cohen & Z.
Cohen (2007) Production of dihomo-g-linolenic acid by the microalga strain P127. European
Society for Microalgal Biotechnology, 7th European Workshop, Nuthetal, Germany.
50. A.
Dagar, Z. Cohen, I. Khozin-Goldberg, S. Boussiba & D. Zilberg (2007) Application
of dietary arachidonic acid from the microalga Parietochloris incisa as an immunostimulant in fish. IMBC, Eilat,
Israel.
PATENTS
1975 Y.
Mazur, Z. Cohen, E. Keinan & T. H. Varkony. Production of saturated
tertiary alcohols and ketones. Israel Patent No. 47,344.
1978 Z.
Cohen & Y. Mazur. A Process for the Production of 25-Hydroxy Cholesterol.
Israel Patent No. 54,463.
1978 Y.
Mazur, Z. Cohen & E. Keinan. Processes and novel intermediates for the
production of 1,25-dihydroxy vitamin D3, Israel Patent No. 49,287.
1996 S.
Boussiba, A. Vonshak, Z. Cohen & A. Richmond. A process for large-scale
production of astaxanthin from Haematococcus
pluvialis, Israel Patent App. No. 116,995.
1997 H.
Itokawa, H. Seishiro, A. Richmond, Z. Cohen, S. Boussiba & A. Vonshak.
Production of arachidonic acid from microalgae. Japanese Patent No. 9098794A2.
1997 S.
Boussiba, A. Vonshak, Z. Cohen & A. Richmond. A procedure for large-scale
production of astaxanthin from Haematococcus
pluvialis. World Patent Appl. No. PCT/IL97/00042.
2008 Z.
Cohen, S. Boussiba, I. Khozin-Goldberg, A. Vonshak. Production of dihomo gamma linolenic acid by a mutant strain
of Parietochloris incisa. Application no.
IL07/001012 filed on 13/8/07; US appl. no 11/919,006 filed on 21/10/07.
2009 U.
Iskandarov, I. Khozin-Goldberg, R. Ofir, Z. Cohen. PUFA elongase gene from the
microalga Parietochloris incisa.
Appl. no. 61/193,589; Date: 9.12.08.
RESEARCH GRANTS
1981 Ministry
of Absorption: Z. Cohen. Chemicals from Algae, 1982. Total amount - $5,000.
1982 Koor-Chemicals:
A. Richmond, S. Boussiba & Z. Cohen. Extraction of chemicals from
Spirulina, 1982-83. Total amount - $40,000.
1983 Solar
Energy Research Institute (SERI): A. Richmond, A. Vonshak, S. Boussiba & Z.
Cohen. Development of an outdoor system for production of lipid-rich
halotolerant microalgae, 1983-86. Annual amount - $60,000, Total amount -
$180,000.
1983 Ein-Yahav
Algae - A. Richmond, A. Vonshak, S. Boussiba & Z. Cohen. Establishing a
large production site for Spirulina
biomass, 1983-86. Total amount $140,000.
1984 Binational
Agricultural Research and Development Fund (BARD): A. Richmond, Z. Cohen &
A. Vonshak. Studying the feasibility of developing an algal marine culture
system for the production of valuable chemicals, 1984. Annual and total amount
- $15,000.
1985 The
National Council for Research and Development: Z. Cohen & A. Richmond.
Extraction of chemicals from the alga Porphyridium,
1985-88. Total amount - $61,500.
1986 Agency
for International Development (AID): B. Kessler, Y. Eshdat & Z. Cohen.
Epicuticular plant surface agglutinins, 1987-90. Total amount - $150,000.
1986 AID:
Z. Cohen & A. Richmond. The alga Spirulina
as a source of g-linolenic
acid and other valuable chemicals, 1987-91. Total amount - $150,000.
1987 AID:
Z. Cohen & A. Richmond. Production of Eicosapentaenoic acid (EPA) by
microalgae, 1988-93. Total amount - $250,000.
1992 BARD:
E. Gantt, A. Vonshak, S. Boussiba, Z. Cohen & A. Richmond. Carotenoid-rich
algal biomass for aquaculture: astaxanthin production by Haematococcus pluvialis, 1992-95. Total amount - $220,000.
1992 PEF-MORIA
foundation: Z. Cohen & Y.M. Heimer. Enhancing oil production in plants.
Annual amount - $10,000.
1992 System
Research Institute, Japan: S. Boussiba, Z. Cohen, A. Richmond & A. Vonshak.
Characterization of snow algae, 1992-94. Total amount - $300,000.
1993 PEF-MORIA
foundation: Z. Cohen & Y.M. Heimer. Enhancing oil production in plants.
Annual amount - $25,000.
1994 RASHI
foundation: Z. Cohen & Y. M. Heimer. Enhancing oil production in plants.
1994-96. Total amount -$113,000.
1994 RASHI
foundation: S. Boussiba, Z. Cohen, A. Richmond & A. Vonshak. Astaxanthin
production by Haematococcus pluvialis,
1994-96. Total amount -$340,000.
1995 Ministry
of science: Z. Cohen & Y.M. Heimer. Elucidation of EPA biosynthesis in
algae, 1995-7. Total amount - NIS100,000.
1995 Ministry
of science: Z. Cohen & Y.M. Heimer. Elucidation of EPA biosynthesis in Porphyridium. 1995. Total amount - NIS120,000.
1997 European
commission (BRITE EURAM): Z. Cohen, S. Boussiba, A. Vonshak, D. Hall, E. Molina
Grima & M. Tredici. An integrated production system of highly purified EPA
from microalgae, 1998-2000. Total amount - €1,008,000.
1998 European
commission (TMR): Y.M. Heimer & Z. Cohen. Establishment of a large scale
facility for desert studies, 1998-9. Total amount - €209,000
1999 Algatechnologies:
S. Boussiba, Z. Cohen, A. Richmond & A. Vonshak. Astaxanthin production
from Haematococcus, 1999-2000. Total
amount -$420,000.
2000 European
commission: Z. Cohen, Support of Access to Research Infrastructure, 2000-2003,
Total amount - €300,000.
2002 AID:
Z. Cohen, S. Boussiba, I. Khozin-Goldberg, A. Vonshak & A. Critchely.
Production of arachidonic acid (AA) from the alga Parietochloris incisa, 2002-2005. Total amount - $200,000.
2002 Harry
Stern Foundation: Z. Cohen & I. Khozin-Goldberg. Enhancing the productivity
of the polyunsaturated fatty acid (PUFA), arachidonic acid, in the microalga Parietochloris incisa. 2002-2003. Total
amount - $60,000.
2003 Ministry
of Health: N. Porat & Z. Cohen. Involvement of the cytoplasmic membrane of Streptococcus pneumoniae in carriage and
disease. Total amount - NIS80,000.
2003 Center
for academic and educational relationship with the CIS and the Baltic states:
Z. Cohen, I. Khozin-Goldberg, M. Merzlyak, O.B. Chivkunova, A.E. Solovchenko
& S.I. Pogosyan. Study of the biochemical and optical properties of algae
that can be utilized as a source of pigments and polyunsaturated fatty acids of
economical value, Total amount - NIS50,000.
2004 Negev
Dev. Res. Authority & Ministry of Absorption: I. Khozin-Goldberg, D.
Zilberg & Z. Cohen. Treatment & Prevention of fish diseases by feeding
with arachidonic acid-rich microalgae grown on brackish water in the Negev.
Total amount - NIS80,000.
2004 Ministry
of Health: N. Porat & Z. Cohen. Involvement of the cytoplasmic membrane of Streptococcus pneumoniae in carriage and
disease. Total amount - NIS78,000.
2005 Ministry
of Sciences and Technology: R. Ofir, D. Zilberg, I. Khozin-Goldberg & Z.
Cohen. Prevention and treatment of fish diseases by feeding with arachidonic
acid-rich microalgae grown on brackish water of the Negev, 2005-7. Total amount - NIS 270,000.
2006 BSF:
B. Pinshow, Z. Cohen, I. Khozin-Goldberg & S.R. McWilliams.
Thermoregulation during fattening at stopover sites in migrating passerine
birds: diet, body composition and the use of facultative hypothermia, 2006-9.
Total amount - $105,000.
2007 Nestec:
Z. Cohen, S. Boussiba & I. Khozin-Goldberg. Production of dihomo-g-linolenic acid by a microalga,
2007-2008. Total amount - $100,000.
2007 ICA:
Production of dihommo-g-linolenic
acid from microalgae. Total amount - $45,000.
2007 Koshland
foundation: Z. Cohen. DGLA production by a D5 desaturase mutant. Total amount - $100,000.
2007 BG
Negev: Z. Cohen, S. Boussiba, I. Khozin-Goldberg & A. Vonshak. Optimization
of production of DGLA from a microalga. 2007-9. Total amount - $200,000.
2008 Ben
Gurion University: M. Shapira, D. Raveh, Z. Cohen & I. Khozin-Goldberg.
Bioenergy from photosynthetic microalgae – Oilalgae. Total amount - NIS140,000.
2008 Primafuel:
S. Boussiba. Z. Cohen & A. Vonshak. Algal biotechnology for biodiesel
production. 2008-11. Total amount - $2,800,000.
2009 Ministry
of Health: N. Purat, & Z. Cohen. Involvement of redox reactions in membrane
adaptation to endogenous reactive oxygen species in Streptococcus pneumoniae. 2009-10. Total amount – NIS300,000.
2009 ICA:
Z. Cohen, I. Khozin-Goldberg, S. Boussiba. Production of dihomo-gamma-linolenic
acid (DGLA) from microalgae. 2009-10. $45,000.
PREVIOUS AND CURRENT RESEARCH EXPERIENCES
AND INTERESTS
A) Microalgae
as sources for chemicals: polyunsaturated fatty acids and pigments
Effect
of environmental conditions and nutritional factors on the content of chemicals
in algae
Selection
of herbicide-resistant PUFA-overproducing algae
Development
of extraction and separation methods
B) Plant lipid biochemistry
Biosynthesis of polyunsaturated fatty acids
(PUFAs)
Enhancement
of lipid production in algae and higher plants
C) Induced
pigmentation in fish
D) Organic
reactions in dry media
E) Design
and synthesis of contrast agents for the detection of small lesions in the
liver via computed tomography scanning
F) Synthesis
of radioactive cardioselective b-antagonists as myocardial imaging agents