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שלח באימייל הדפס
Name: Yoram Eyal, Ph.D. (Researcher)
Units: Plant SciencesFruit Tree Sciences
Research Interests / Job description  
Tel:  ‎‎03-9683845 ‎‎03-9683359
Email:    eyalab@volcani.agri.gov.il
Office location:Horticultual breeding and genomics building
Address:Institute of Plant Sciences,
The Volcani Center ARO,
P.O.Box 6, Bet Dagan 50250, Israel

BSc.         - Hebrew University of Jerusalem, Faculty of Agriculture.

MSc.        - Weizmann Institute of Science, Plant Sciences.

PhD.       - Weizmann Institute of Science, Plant Sciences.

Postdoc - Plant Gene Expression Center, UC-Berkeley/USDA-ARS

Research Interests / Job description
(1) Regulation of chlorophyll catabolism during ripening fruit.
(2) Metabolic engineering for control over chlorophyll breakdown.
(3) Metabolic pathways directing Citrus fruit flavor and aroma compound biosynthesis.
(3) Metabolic engineering of secondary metabolism in plants for improvement of fruit quality or plant products.
Lab staff and students


Previous lab members

Debora Jacob-Wilk (PhD.)

Liat Sharon-Asa (MSc.)

Galit Shahar (MSc.)

Oori Weisshaus (MSc.)

Eran Ben-Yaakov (MSc.)

Smadar Harpaz-Saad (PhD.)



Student/staff research fields

Ahuva Frydman - Biosynthesis of citrus flavonoids.

Tamar Azoulay - Regulation of chlorophyll catabolism.

Shira Tal - Regulation of isoprenoid biosynthesis

Maya Sapir - Regulation of isoprenoid biosynthesis.



* Eyal Y., Goloubinoff P. and Edelman M. (1987) The amino terminal region delimited by MET1 and MET37 is an integral part of the 32 kDa herbicide binding protein.
Plant Molecular Biology 8: 337-343.

* Eyal Y. and Fluhr R. (1991) Cellular and molecular biology of pathogenesis related proteins.
In: Miflin B.J. (ed) Oxford Surveys of Plant Molecular and Cell Biology 7: 223-254.

* Eyal Y., Sagee O. and Fluhr R. (1992) Dark-induced accumulation of a basic pathogenesis-related (PR-1) transcript and a light requirement for its induction by ethylene.
Plant Molecular Biology 10: 589-599.

* Eyal Y., Meller Y., Lev-Yadun S. and Fluhr R. (1993) A basic-type PR-1 promoter directs ethylene responsiveness, vascular and abscission zone specific expression.
The Plant Journal 4: 225-234.

* Meller Y., Sessa G., Eyal Y. and Fluhr R. (1993) DNA-protein interactions on a cis-DNA element essential for ethylene regulation.
Plant Molecular Biology 23: 453-463.

* Fluhr R., Eyal Y., Meller Y., Raz V., Yang XQ. and Sessa G. (1994) Signal transduction pathways in plant pathogenesis response.
Biochemical Society Symposium, 60: 131-141.

* McCormick S., Curie C., Eyal Y., Muschietti J., Dircks L. and Kulikauskas R. (1994) Molecular biology of male gametogenesis.
Euphytica 79: 245-250, 1994.

* McCormick S., Chen S., Curie C., Eyal Y. and Kulikauskas R. (1994) Molecular and genetic analyses of pollen development.
In Pollen-pistil Interactions, A. Stephenson and T-H Kao (eds), ASPP, pp 29-38.

* Sessa G., Yang X-Q., Raz V., Eyal Y. and Fluhr R. (1995) Dark induction and subcellular localization of the pathogenesis-related PRB-1b protein.
Plant Molecular Biology 28: 537-547.

* Eyal Y., Curie C. and McCormick S. (1995) Pollen specificity elements reside in the proximal promoters of two pollen expressed genes.
The Plant Cell 7: 373-384.

* Muschietti J., Eyal Y. and McCormick S. (1998) Pollen tube localization implies a role in pollen-pistil interactions for the tomato receptor-like protein kinases LePRK1 and LePRK2.
The Plant Cell 10: 319-330.

* Eyal Y., Neumann H., Or E. and Frydman A. (1999) Inverse single strand RACE; An adapter independent method of 5'-RACE.
Biotechniques 27: 656-658.

* Jacob-Wilk D., Holland D., Goldschmidt E., Riov J. and Eyal Y. (1999) Chlorophyll breakdown by chlorophyllase: Isolation and functional expression of the Chlase1 gene from ethylene-treated Citrus fruit and its regulation during development.
The Plant Journal 20: 653-661.

* Or E., Vilozny I., Eyal Y. and Ogrodovitch A. (2000) The transduction of the signal for grape bud dormancy breaking induced by hydrogen cyanamide may involve the SNF-like protein kinase GDBrPK.
Plant Molecular Biology 43: 483-494.

* Or E., Vilozny I., Fennell A., Eyal Y. and Ogrodovitch A. (2002) Dormancy in grape buds: isolation and characterization of catalase cDNA and analysis of its expression following chemical induction of bud dormancy release.
Plant Science 162: 121-130.

* Fu L-H., Wang X-F., Eyal Y., She Y-M., Standing K.G. and Ben-Hayyim G. (2002) A selenoprotein in the plant kingdom: mass spectrometry confirms that an opal codon (UGA) encodes selenocysteine in Chlamydomonas reinhardtii glutathione peroxidase.
Journal of Biological Chemistry 277: 25983-25991.

* Carmi N., Zhang G., Petreikov M., Gao Z., Eyal Y., Granot D. and Schaffer A. (2002) Cloning and functional expression of alkaline alpha-galactosidase from melon fruit: similarity to plant SIP proteins uncovers a novel family of plant glycosyl hydrolases.
The Plant Journal 32: 1-10.

* Sharon-Asa L., Shalit M., Frydman A., Bar E., Holland D., Or E., Lavi U., Lewinsohn E. and Eyal Y. (2003) Citrus fruit flavor and aroma biosynthesis: Isolation functional characterization and developmental regulation of Cstps1, a key gene in the production of the sesquiterpene aroma compound valencene.
The Plant Journal 36: 664-674.

* Frydman A., Weisshaus O., Bar-Peled M., Huhman DV., Sumner LW., Marin FR., Lewinsohn E., Fluhr R., Gressel J. and Eyal Y. (2004) Citrus fruit bitter flavors: Isolation and functional characterization of the gene Cm1,2RhaT encoding a 1,2 rhamnosyltransferase, a key enzyme in the biosynthesis of the bitter flavonoids of citrus.
The Plant Journal 40: 88-100.

* Efrati A., Eyal Y. and Paran I. (2005) Molecular mapping of the chlorophyll retainer (cl) mutation in pepper (Capsicum spp.) and screening for candidate genes using tomato ESTs homologous to structural genes of the chlorophyll catabolism pathway.
Genome 48: 347-351.

* Frydman A., Weisshaus O., Huhman DV., Sumner LW., Bar-Peled M., Lewinsohn E., Fluhr R., Gressel J. and Eyal Y. (2005) Metabolic engineering of plant cells for biotransformation of hesperedin into neohesperidin, a substrate for production of the low-calorie sweetener and flavor enhancer NHDC.
Journal of Agricultural and Food Chemistry 53: 9708-9712.

* Saraf-Levy T., Santoro SW., Volpin H., Kushnirsky T., Eyal Y., Schultz PG., Gidoni D.and Carmi N. (2006) Site-specific recombination of asymmetric lox sites mediated by a heterotetrameric Cre recombinase complex.
Bioorganic and Medicinal Chemistry 14: 3081-3089.

* Ben-Yaakov E., Harpaz-Saad S., Galili D., Eyal, Y. and Goldschmidt EE. (2006). Chlorophyllase activity and chlorophyll degradation during the course of leaf senescence.
Israel J. Plant Sciences 54: 129-135.

* Harpaz-Saad S., Azoulay T., Arazi T., Ben-Yaakov E., Mett A., Shiboleth YM., Hortensteiner S., Gidoni D., Gal-On A., Goldschmidt EE. and Eyal Y. (2007) Chlorophyllase is a rate-limiting enzyme in chlorophyll catabolism and is post-translationally regulated.
The Plant Cell 19: 1007-1022.

* Azoulay Shemer T., Harpaz-Saad S., Belausov E., Lovat N., Krokhin O., Spicer V., Standing KG., Goldschmidt EE. and Eyal Y. (2008) Citrus chlorophyllase dynamics at ethylene-induced fruit color-break; a study of chlorophyllase expression, post-translational processing kinetics and in-situ intracellular localization.
Plant Physiology 148: 108-118.

* Sapir-Mir M., Mett A., Belausov E., Tal-Meshulam S., Frydman A., Gidoni D. and Eyal Y. (2008) Peroxisomal localization of Arabidopsis IPP isomerases suggests that part of the plant isoprenoid MVA pathway is compartmentalized to peroxisomes.
Plant Physiology 148:1219-1228.


Updated on: 10/06/09 10:39
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