蜡样芽孢杆菌T型芽孢萌发过程中L-丙氨酸、D-丙氨酸、肌苷和氯化铵之间的功能关系
Functional relationships between L- and D-alanine, inosine and NH4Cl during germination of spores of Bacillus cereus T.
作者信息
Preston R A, Douthit H A
机构信息
Department of Biology, University of Michigan, Ann Arbor 48109.
出版信息
J Gen Microbiol. 1988 Nov;134(11):3001-10. doi: 10.1099/00221287-134-11-3001.
The results of a physiological study of the interaction between NH4Cl, inosine, and the stereoisomers of alanine during germination of spores of Bacillus cereus T are presented. Detailed kinetics for the germination of unheated spores in moderate concentrations of L-alanine (in the absence of auto-inhibition due to alanine racemase) are established, as is the specificity of the stimulatory effect of NH4Cl in relation to other salts, amines, and germinants. The results suggest that NH4Cl and inosine affect an early step in germination closely related to the function of an L-alanine receptor.
本文呈现了蜡样芽孢杆菌T型孢子萌发过程中氯化铵、肌苷与丙氨酸立体异构体之间相互作用的生理学研究结果。确定了在中等浓度L-丙氨酸（不存在丙氨酸消旋酶引起的自抑制作用）中未加热孢子萌发的详细动力学，以及氯化铵相对于其他盐类、胺类和萌发剂的刺激作用特异性。结果表明，氯化铵和肌苷影响与L-丙氨酸受体功能密切相关的萌发早期步骤。
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