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	Provedor de dados Rev. Bras. Bot. (1) Autor Kochhar,A. (1) Pollock,C.J. (1) Rees,T. Ap (1) Palavra-chave Lamium album (1) Oligosaccharides (1) Source-sink interactions (1) Starch (1) Sucrose (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2003 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Assimilate partitioning in leaves of the raffinose-storing herb Lamium album L.: the effects of altering source-sink balance Rev. Bras. Bot. Kochhar,A.; Rees,T. Ap; Pollock,C.J.. In Lamium album, sucrose and raffinose-family oligosaccharides are the major products of photosynthesis that are stored in leaves. Using gas analysis and 14CO2 feeding, we compared photosynthesis and the partitioning of recently-fixed carbon in plants where sink activity was lowered by excision of flowers and chilling of roots with those where sink activity was not modified. Reduction in sink activity led to a reduction in the maximum rate of photosynthesis, to retention of fixed carbon in source leaves and to the progressive accumulation of raffinose-family oligosaccharides. This ultimately affected the extractable activities of invertase and sucrose phosphate synthase. At the end of the light period, invertase activity was significantly higher in treated... Tipo: Info:eu-repo/semantics/article Palavras-chave: Lamium album; Oligosaccharides; Source-sink interactions; Starch; Sucrose. Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042003000400012 Registros recuperados: 1 Primeira ... 1 ... Última

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