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GrainGenes Reference Report: SAS-37-1464

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Reference	SAS-37-1464
Title	The accumulation of starch and storage protein in starchy endosperm cells of different barleys
Journal	Scientia Agricultura Sinica
Year	2004
Volume	37
Pages	1464-1467
Author	Wang M Zhou Z Lan S Xu Z
Abstract	During endosperm development, the initiation and accumulation of starch and storage protein as well as their morphological changes in endosperm cells of 3 barley cultivars differing in endosperm types, Hua7618 (non-waxy), 20A2 (waxy) and Hua2012 (osculant), were observed by optical and transmission electron microscopes. In Hua7618 endosperm cells, the size increase of large starch granules was the quickest and their average volume until grain maturation was the largest, while the 1000-grain weight and number of small starch granules were the greatest and the content of protein was the lowest. The case of 20A2 endosperm cells was just the opposite of Hua7618, and the case of Hua2012 was intervenient. One amyloplast contained one large starch granule in endosperm cells, its number hardly increased 13 days after flowering. Protein bodies were dispersed spherical particles at the prophase of caryopsis development. They fused with each other at the anaphase of caryopsis development and deposited among starch granules. Nuclei in endosperm cells deformed gradually at the metaphase of caryopsis development, and the initiation of small starch granules occurred during or after nuclei disruption
Keyword	anaphase [ Show all 21 ]

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