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Characterization of seed storage proteins and their synthesis during seed development in Olea europaea

AuthorsWang, Wei; Alché Ramírez, Juan de Dios; Castro López, Antonio Jesús; Rodríguez García, María I.
Issue Date2001
PublisherUniversidad del País Vasco
CitationInternational Journal of Developmental Biology 45(S1): S63-S64 (2001)
AbstractSDS-PAGE analysis showed that seed storage proteins (SSPs) in olive mainly consisted of two hydrogen-bonded subunits, Solea I (41 kDa) and Solea II (47.5 kDa). When reduced, Solea I and II yielded 3 and 2 disulfide-bonded polypeptides, respectively. N-terminal sequencing confirmed that both Solea I and II shared a high similarity with II S proteins. Additionally, time-course of protein synthesis in olive seeds was investigated from 25 days after anthesis (DAA) until seed ripening. Before 105 DAA, young seeds contained only trace amounts of detectable proteins. Only from 105 DAA onwards, seed proteins began to be massively synthesized. Seeds of 105 DAA and more exhibited no significant difference in protein profiles with mature seeds, especially in terms of Solea I and II.
Description2 páginas, 3 figuras.-- Trabajo presentado al 3rd Congress of the Spanish Society of Developmental Biology.
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