Starch Synthesis Studies in Zea mays: II. Molecular Distribution of Radioactivity in Starch 12
AUTOR(ES)
Shannon, Jack C.
RESUMO
The amylose and amylopectin fractions from kernel starch synthesized shortly after exposure of intact Zea mays L. plants to 14CO2 had similar specific radioactivities (counts per min per mg of carbohydrate). In both fractions the radioactivity was distributed throughout the molecules. These data are consistent with a model in which the polysaccharides are synthesized in the matrix of the amyloplast followed by crystallization of the completed molecules onto the starch granule.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=396374Documentos Relacionados
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