吸水链霉菌萌发孢子中的海藻糖代谢
Trehalose metabolism in germinating spores of Streptomyces hygroscopicus.
作者信息
Hey-Ferguson A, Mitchell M, Elbein A D
出版信息
J Bacteriol. 1973 Nov;116(2):1084-5. doi: 10.1128/jb.116.2.1084-1085.1973.
Abstract
Evidence is presented which indicates that utilization of trehalose is an early event in spore germination in Streptomyces hygroscopicus. Early in spore germination and before any increase in cell mass, the activity of trehalase increased more than 15-fold, while the intracellular content of trehalose fell to very low levels. On the other hand, increased activity of the trehalose phosphate synthetase or disappearance of glycogen did not occur until later in germination, during which time cell mass was also increasing.
摘要
有证据表明，海藻糖的利用是吸水链霉菌孢子萌发过程中的一个早期事件。在孢子萌发早期且细胞质量尚未增加之前，海藻糖酶的活性增加了15倍以上，而细胞内海藻糖含量降至非常低的水平。另一方面，海藻糖磷酸合成酶的活性增加或糖原的消失直到萌发后期才出现，在此期间细胞质量也在增加。
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