Education
- 1962. Ingeniero Agrónomo. Facultad de Agronomía, Universidad de Buenos Aires. Argentina.
- 1988. Ph D, Plant Physiology, University of California, Davis.
Awards
- 2002- Bunge y Born Award. Agronomy.
- 1999-. Member of the National Academy of Agronomy and Veterinary. Argentina.
- 1992 - Arturo Burkart Award. National Academy of Exact, Physical and Natural Sciences.
- 1986 - Fellow of the John Simon Guggenheim Foundation.
- 1985 - Vilfrid Baron Award, National Academy of Agronomy and Veterinary (in association with: C. Ghersa, C. Ballaré y A. Scopel).
Positions
- Emeritus Professor (UBA).
- Superior Investigator (CONICET).
Professional interests
- Ecophysiology of germination.
- Photomorphogenesis.
Courses taught at Faculty of Agronomy (Univ. of B.A.)
- Control of growth and development in plants.
- Ecophysiology of Seeds.
Students
Past Students
- Pedro Aphalo (M Sc); Jorge Casal (MSc); Alejandra Mella (PhD); Javier Botto (PhD); Maria José Burgin (PhD).
Current PhD Students
- M. Verónica Arana; Gabriela Auge, Federico Mollard; Pedro Insausti.
Publications (last 5 years)
- Arana MV; Burgin MJ; De Miguel LC; Sanchez R. (2007). The very-low-fluence and high-irradiance responses of the phytochromes have antagonistic effects on germination, and DfGA3ox transcript levels in Datura ferox seeds. Journal of Experimental Botany 58:3997-4004
- Gualano N; Carrari F; V. RM; Pérez-Flores L; Sánchez R; Lusem N; Benech-Arnold R. (2007). Reduced embryo sensitivity to abscisic acid in a sprouting-susceptible sorghum (Sorghum bicolor) variety is associated with altered ABA signalling. Seed Science Research 17:81-90
- Mollard FP; Insausti P; Sánchez RA. (2007). Flooding induces secondary dormancy in Setaria parviflora seeds. Seed Science Research 17:55-62
- Arana V; de Miguel LC; Sánchez RA. (2006). A phytochrome-dependent embryonic factor modulates gibberellin responses in the embryo and micropylar endosperm of Datura ferox seeds. Planta 223:847-857.
- Mazzella, MA; Arana, MV; Staneloni, RJ; Perelman, SB; Rodriguez Batiller, MJ; Muschietti, J; Cerdán, PM; Chen, K; Sánchez, RA; Zhu, T; Chory, J; Casal, JJ. (2005). Phytochrome control of the Arabidopsis transcriptome anticipates seedling exposure to light. The Plant Cell 17:2507-2516.
- Mella, R. A., Burgin, M. J. and Sánchez, R. A. (2004). Expansin gene expression in Datura ferox L. seeds is regulated by the low fluence response but not by the high irradiance response of the phytochromes. Seed Science Research 14: 61-72.
- Benech-Arnold, R. L., Enciso, S., Sánchez, R. A. and Rodriguez, V. (2003). On the hormonal nature of the stimulatory effect of high incubation temperatures on dormant sorghum (S. bicolor) caryopses. New Phytologist 160: 371 -377.
- Botto, J. F., Alonso-Blanco, C., Garzarón, I., Sánchez, R. A. and Casal, J. J. (2003). The Cvi allele of cryptochrome 2 enhances cotyledon unfolding in the absence of blue light in Arabidopsis. Plant Physiology 133: 1547-1556.
- Boccalandro, H., Ploschuk, E., Yanovsky, M., Gatz, C., Sánchez, R., Casal, J. (2003). Increased phytochrome B alleviates density effects on tuber yield of field potato crops. Plant Physiology 133, 1-8.
- Carrari, F., Benech-Arnold, R., Osuna-Fernandez, R., Hopp, E., Sánchez, R.A., Iusem, N., Lijavetzky, D. (2003). Genetic mapping of the Sorghum bicolor vp1 gene and its relationship with preharvest sprouting resistance. Genome 46, 1-6.
- Perez-Flores, L., Carrari, F., Osuna-Fernandez, R., Rodriguez, V., Enciso, S., Staneloni, R., Sánchez, R.A., Bottini, R., Iusem, R., Benech-Arnold, R. (2003). Expression analysis of a GA 20-oxidase in embryos from two sorghum lines with contrasting dormancy: possible participation of this gene in the hormonal control of germination. Journal of Experimental Botany 54, 1-9.
- Del Fueyo, P., Sánchez, R.A., Benech-Arnold, R.L. (2003). Seed longevity in two sorghum varieties with contrasting dormancy level prior to harvest. Seed Science and Technology 31, 639-650.
- Sánchez, R.A., de Miguel, L., Lima, C., Lederkremer, R. (2002). Effect of low water potential on phytochrome-induced germination, endosperm softening and cell wall-mannan degradation in Datura ferox seeds.Seed Science Research 12, 155-163.
- Libenson, S., Rodriguez, V., López Pereira, M., Sánchez, R.A., Casal, J.J. (2002). Low red to far-red ratios reaching the stem reduce grain yield in sunflower. Crop Science 42, 1180-1185.
Complete publication list
Current research areas at IFEVA
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