1973-1976 B.Sc. in Life Sciences, Tel Aviv University, Tel Aviv, Israel.
1977-1980 M.Sc. in Life Sciences (Cell Biology) at The Feinberg Graduate School of the Weizmann Institute of Science, Rehovot, Israel.
1983-1988 Ph.D. in Ornamental Horticulture, Faculty of Agriculture, The Hebrew University of Jerusalem, Rehovot, Israel.
Previous Research Experience
1989-1995 Postdoctoral position at the Department of Biology, Yale University, New Haven, CT, USA. with Prof. Michael Snyder. Research subjects: The Involvement of Protein Degradation in Nuclear Division; Isolation of EGTA-Sensitive Mutants of Yeast.
1995-1999 Research Scientist at the ARO, The Volcani Center, Institute for Technology and Storage, Department of Postharvest Science of Fresh Produce.
1999-2000 Research Scientist at the Department of Horticulture, Faculty of Agriculture, Hebrew University of Jerusalem.
2001- Research scientist at the ARO, The Volcani Center, Institute for Technology and Storage, Department of Postharvest Science of Fresh Produce. Major research interest: Senescence and reactive oxygen species; Biochemical and physiological aspects of senescence and ripening.
List of Publications
Ignat, T., Lurie, S. Nyasordzi, J., Ostrovsky, V., Egozi, H., Hoffman, A., Friedman, H., Weksler A., Schmilovitch, Z. (2014). Forecast of apple internal quality indices at harvest and during storage by VIS-NIR spectroscopy. Food Bioprocess Technol DOI 10.1007/s11947-014-1297-7.
Biton, E., Kobiler, I., Feygenberg, O., Yaari, M., Friedman, H., Prusky, D. (2014). Control of alternaria black spot in persimmon fruit by a mixture of gibberellin and benzyl adenine, and its mode of action. Post. Biol. Technol. 94: 82-88.
Biton, E., Kobiler, I., Feygenberg, O., Yaari, M., Kaplunov, T., Ackerman, M., Friedman, H., Prusky, D. (2014). The mechanism of differential susceptibility to alternaria black spot, caused by Alternaria alternata, of stem- and bottom-end tissues of persimmon fruit. Post. Biol. Technol., 94: 74-81.
Alsharafa, K., Vogel, M.O., Oelze, M-L., Moore, M., Stingl, N., König, K., Friedman, H., Mueller, M.J., Dietz, K-J. (2014). Kinetics of retrograde signalling initiation in the high light response of Arabidopsis thaliana. Phil. Trans. R. Soc. B 369: 1471-2970.
Rosenwasser, S., Fluhr, R., Joshi, J. R., Leviatan, N., Sela, N. Hetzroni, A. and Friedman, H. (2013). ROSMETER: A bioinformatic tool for the identificationof transcriptomic imprints related to reactive oxygen species type and origin provides new insights into stress responses. Plant Physiol. 163: 1071-1083.
Nysordzi, J., Friedman, H., Schmilovitch, Z., Ignat, T., Weksler, A., Rot, I. and Lurie, S. (2013). Utilizing the IAD index to determine internal quality attributes of apples at harvest and after storage. Post Biol Technol. 77: 80-86.
Lurie,S., Friedman, H., Weksler, A., Dagar, A. and Zerbini, P. E. (2013).
Maturity assessment at harvest and prediction of softening in an early and late season melting peach. Post Biol Technol. 76: 10-16.
Dagar, A., Marti Ibanez, C., Pons Puig, C., Granell, A., Zilotto, F., Bonghi, C., Crisosto, C.H., Friedman, H. And Lurie, S. (2012). Comparative transcript profiling of a peach and its nectarine mutant at harvest reveals differences in gene expression
related to storability. Tree Genetics Genomics. DOI 10.1007/s11295-012-0549-9.
Dagar, A., Weksler, A., Friedman, H. and Lurie, S. (2012). Gibberellic acid (GA3) application at the end of pit hardening: Effect on ripening and storage of two harvests of ‘September Snow' peach. ScientiaHort.. 140: 125-130.
Hershkovitz, V., Friedman, H. Goldschmidt, E. E., Feygenberg, O., Pesis, E. (2011). Effect of seed on ripening-control components during avocado fruit development. J. Plant Physiol. 168: 2177-2183.
Zhang, Z., Friedman, H., Meir, S., Belausov, E., and Philosoph Hadas, S. (2011). Actomyosin mediates gravisensing and early transduction events in reoriented cut snapdragon spikes. J. Plant Physiol. 168: 1176-1183.
Rosenwasser, S., Rot, I., Sollner, E., Meyer, A. J., Smith, Y., Fluhr, R., Leviatan, N. and Friedman, H. (2011). Organelles contribute differentially to ROS-related events during extended darkness. Plant Physiol. 156: 185-201.
Dagar, A., Weksler, A., Friedman, H., Ogundiwin, E.A., Crisosto, C.H., Ahmad, R. and Lurie, S. (2011). Comparing ripening and storage characteristics of 'Oded' peach and its nectarine mutant 'Yuval'. Postharvest Biol. Technol. 60: 1-6.
Dagar, A., Friedman, H. and Lurie, S. (2010). Thaumatin-like proteins and their possible role in protection against chilling injury in peach fruit. Postharvest Biol. Technol. 57: 77-85.
Rosenwasser, S., Belausov, E., Riov, J., Holdengreber, V. and Friedman, H. (2010). Gibberellic Acid (GA3) inhibits ROS increase in chloroplasts during dark-induced senescence of Pelargonium cuttings. J. Plant Growth Regul. 29: 375-384.
Rot, I. and Friedman, H. (2010). Desiccation-induced reduction in water uptake of gypsophila florets and its amelioration. Postharvest Biol. Technol. 57: 189-195.
Elitzur, T., Vrebalov, J., Giovannoni, J.J., Goldschmidt, E.E. and Friedman, H.
(2010). The regulation of MADS-box genes expression during ripening of banana and their regulatory interaction with ethylene. J. Exp. Bot. 61: 1523-1535.
Rosenwasser, S., Rot, I., Meyer, A. J., Feldman, L., Jiang, K. and Friedman, H. (2010). A fluorometer-based method for monitoring oxidation of redox-sensitive GFP (roGFP) during development and extended dark stress. Physiol. Plant. 138: 493-502.
Friedman, H., Agami, O., Vinokur, Y., Droby, S., Cohen, L., Refaeli, G. N.,
Resnick and Umiel, N. (2010). Characterization of yield, sensitivity to Botrytis cinerea and antioxidant content of several rose species selected as edible flowers. Sci. Hortic. 123: 395-401.
Hershkovitz, V., Friedman, H., Goldschmidt, E.E. and Pesis, E. (2010). Ethylene regulation of avocado ripening differs between seeded and seedless fruit.
Postharvest Biol. Technol. 56: 138-146.
Hershkovitz, V., Friedman, H., Goldschmidt, E. E. and Pesis, E. (2009). Induction of ethylene in avocado fruit in response to chilling stress on tree. J. Plant Physiol. 166:1855-1862.
Hershkovitz, V., Friedman, H., Goldschmidt, E. E. and Pesis, E. (2009). The role of the embryo and ethylene in avocado fruit mesocarp discoloration. J. Exp. Bot. 60:791-799.
Bernstein, N., Friedman, H., Rot I., Bartal, A., Snir, P. and Guetsky, R. (2008).
Monitoring of bacterial populations in agricultural greenhouse production system irrigated with reclaimed wastewater. J. Hort. Sci. & Biotech. 83: 821-827.
Zhang, Z., Friedman, H., Meir, S. Rosenberger, I., Halevy, A.H. and Philosoph Hadas,S. (2008). Microtubule reorientation in shoots precedes bending during the gravitropic response of cut snapdragon spikes. J Plant Physiol. 165: 289-296.
Vinokur, Y., Rodov, V., Reznick, N., Rot, I., Goldman, G., Horev, B., Umiel, N. and Friedman, H. (2006). Rose petal tea as an antioxidant-rich beverage: cultivar variability. J. Food Sci. 71: S42-S47.
Rosenvasser, S., Mayak, S. and Friedman, H. (2006). Increase in reactive oxygen species (ROS) and in senescence-associated gene transcript (SAG) levels during dark-induced senescence of Pelargonium cuttings and the effect of gibberellic acid. Plant Sci. 170: 873-879.
Friedman, H., and Rot, I. (2006). Characterization of chilling injury in Heliotropium arborescens and Lantana camara cuttings. Post. Biol. Tec. 40: 244-249.
Woltering, E. J., Balk, P. A., Nijenhuis-de Vries, M. A., Faivre, M., Ruys, G. Somhorst, D., Philosoph-Hadas, S., Friedman, H. (2004). A tissue-specific auxin-responsive 1-aminocyclopropane-1-carboxylate synthase is responsible for differential ethylene production in gravistimulated Antirrhinum majus L. flower stem. Planta 220: 403-413.
Friedman H., Meir, S., Halevy, A.H. and Philosoph-Hadas, S. (2003). Inhibition of the gravitropic bending response of flowering shoots by salicylic acid. Plant Science. 165: 905-911.
Friedman, H., Meir, S., Halevy, A.H. and Philosoph-Hadas, S. (2003). Characterization of the asymmetric growth of gravistimulated snapdragon spikes by stem and cell dimension analyses. Amer J Bot. 90(6):849-856.
Friedman, H., Meir, S. Halevy, A.H. and Philosoph-Hadas, S. (2003). The involvement of the actin-cytoskeleton network in early events of the gravitropic response of snapdragon flowering shoots. Planta. 216: 1034-1042.
Friedman, H., Hagiladi, A., Reznik. N., Barak, A. and Umiel, N. (2001). Ethylene-insensitive related phenotypes exist naturally in a genetically variable population of Dianthus barbatus. Theor. App. Gene. 103: 282-287.
Prior to 2000
Friedman, H., Halevy, A.H., Rosenberger, I., Meir, S. Kaufman, P.B. and Philosoph-Hadas, S. (1998). Inhibition of the gravitropic response of Snapdragon spikes by the calcium channel blocker, lanthanum chloride. Plant Physiol. 118: 483-492.
Friedman, H. and Snyder, M. (1994). Mutations in PRG1, a yeast proteasome-related gene, cause defects in nuclear division and are suppressed by deletion of a mitotic cyclin gene. Proc. Natl. Acad. Sci USA 91: 2031-2035.
Friedman, H., Goebel, M. and Snyder, M. (1992). A homolog of the proteasome-related RING10 gene is essential for cell growth in yeast. Gene 122: 203-206
Friedman, H., Goldschmidt, E.E., Spiegelstein, H. and Halevy, A.H. (1992). A rhythm in the flowering response of photoperiodically-induced Pharbitis nil to agents affecting cytosolic calcium and pH. Physiol. Plant. 85: 57-60.
Friedman, H., Spiegelstein, H., Goldschmidt, E.E. and Halevy, A.H. (1990). Flowering response of Pharbitis nil to agents affecting cytoplasmic pH. Plant Physiol. 94: 114-119.
Articles in Hebrew
Lurie, S., Wexler, A. and Friedman, H. (2012).
Spectral non-destructable measuremnt to determine the harvest time in Starking apple. Alon Hanotea 66: 34-37.
Wexler, A., Lurie, S., Rot, I., Voet, H. and Friedman, H. (2012).
Non-destructable spectral measuremnt for evaluation of rate of softening in peaches.
Alon Hanotea 66: 16-19.
Hershkovitz, V., Ben Arie, R., Fienberg, O., Friedman, H., and Pesis, E. (2010).
In-orchard chilling stress and its effect on avocado fruit riping in `Arad`.
Alon Hanotea 64: 38-42.
Friedman, H., Resnick, N., Agami, O., Rot, I., Hagiladi A., and Umiel, N. (2007). Roses as edible flowers: Steps in development of fresh crop. Olam Haperach: Feb-March: 54-56.
Rosenberger, I., Friedman, H., Meir, S., and Philosoph-Hadas, S. (2007). Philodendron Xanadu leaves: are they suitable for sea transport? Olam Haperach: April-May: 58-61.
Rot, I., Haddad, S., Spiegel, E., Rosenvasser, S. and Friedman, H. (2006). Treatments for preventing yellowing and decay developed during storage of Pelargonium cuttings. Olam Haperach: July: 46-49.
Rot, I., Friedman, H. (2006). Characterization of damage in Echinops flowering stalks during vase life and development of treatments for its prevention. Olam Haperach: Dec-Jan: 58-60.