Developmental Biochemistry of Cottonseed Embryogenesis and Germination 1: XIII. REGULATION OF BIOSYNTHESIS OF PRINCIPAL STORAGE PROTEINS
AUTOR(ES)
Dure, Leon
RESUMO
The synthesis of the principal cottonseed storage proteins during embryogenesis has been followed by analyses of stained protein gels and of fluorographs of protein synthesized in vivo and from purified RNA in vitro in the wheat germ system. The kinetics of in vivo labeling as well as immunochemical cross-reactivity indicate that the 52- and 48-kilodalton mature storage protein sets are derived from 70- and 67-kilodalton precursor protein sets that are abundant proteins in embryonic cotyledons and disappear in late embryogenesis. Identification of the initial translation products of the storage protein mRNA has not been clearly established although products of apparent molecular weights of 69,000 and 60,000 are the likely storage protein precursors.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=425913Documentos Relacionados
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