Studies on Assimilation Starch in Green Leaves
نویسندگان
چکیده
منابع مشابه
Starch metabolism in leaves.
Starch is the most abundant storage carbohydrate produced in plants. The initiation of transitory starch synthesis and degradation in plastids depends mainly on diurnal cycle, post-translational regulation of enzyme activity and starch phosphorylation. For the proper structure of starch granule the activities of all starch synthase isoenzymes, branching enzymes and debranching enzymes are neede...
متن کاملStarch mobilization in leaves.
Starch mobilization is well understood in cereal endosperms, but both the pathway and the regulation of the process are poorly characterized in other types of plant organs. Arabidopsis leaves offer the opportunity for rapid progress in this area, because of the genomic resources available in this species and the ease with which starch synthesis and degradation can be monitored and manipulated. ...
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Gelatinized starch granules are generally considered to be comprised of sacs or outer membranes of starchy material enclosing a more or less fluid colloidal starch dispersion [see reviews by RADLEY (10)] and KERR (6). NXGEI, (9) and MEYER (8) considered the membrane to be precxistent in the native, ungelatinized granule. ALSBERG (1) and BADENHUIZEN (2, 3) on the other hand, concluded that the m...
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The usefulness of the radiomicrometer in the study of reactions involving a marked color change was indicated in a previous paper (1). It was there shown that the starch-iodine reaction could be investigated in this way. The present paper reports further observations on the reaction, which bear upon the problem of the chemical specificity of some starches and upon the nature of starch-iodide. T...
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Previous work (1) has shown that about 50 per cent of the total protein nitrogen contained in a tobacco leaf which had recently completed growth by expansion is associated with particulate structures of leaf protoplasm such as nuclei, chloroplasts, etc. The other 50 per cent of the protein nitrogen remains soluble in the presence of neutral buffers. In the analytical ultracentrifuge, the solubl...
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ژورنال
عنوان ژورنال: Journal of the agricultural chemical society of Japan
سال: 1950
ISSN: 0002-1407,1883-6844
DOI: 10.1271/nogeikagaku1924.23.477