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Two-dimensional gel electrophoretic protein profile analysis during seed development of Ocotea catharinensis: a recalcitrant seed species
Provedor de dados: 61
Autores: Dias,Leonardo L.C.; Balbuena,Tiago S.; Silveira,Vanildo; Santa-Catarina,Claudete; Schevchenko,Andrej; Floh,Eny I. S.
The aim of the present work was to characterize changes in the protein profile throughout seed development in O. catharinensis, a recalcitrant species, by two-dimensional gel electrophoresis. Protein extraction was undertaken by using a thiourea/urea buffer, followed by a precipitation step with 10% TCA. Comparative analysis during seed development showed that a large number of proteins were exclusively detected in each developmental stage. The cotyledonary stage, which represents the transition phase between embryogenesis and the beginning of metabolism related to maturation, presents the highest number of stage-specific spots. Protein identification, through MS/MS analysis, resulted in the identification of proteins mainly related to oxidative metabolism...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: 2-DE; Comparative proteomics; Embryo development; Storage protein; Lauraceae.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202010000100003