除亮氨酸或缬氨酸外，ilvB操纵子前导氨基酸的饥饿状态不会增加大肠杆菌中乙酰羟酸合酶的活性。
Starvation for ilvB operon leader amino acids other than leucine or valine does not increase acetohydroxy acid synthase activity in Escherichia coli.
作者信息
Tsui P, Freundlich M
出版信息
J Bacteriol. 1985 Jun;162(3):1314-6. doi: 10.1128/jb.162.3.1314-1316.1985.
Abstract
Eleven different amino acids are encoded in the ilvB leader mRNA. Starvation for leucine or valine, but not for any of the other nine amino acids, resulted in high levels of acetohydroxy acid synthase I. These results are discussed in terms of a report (C.A. Hauser and G.W. Hatfield, Proc. Natl. Acad. Sci. U.S.A. 81:76-79, 1984) which suggests that threonine and alanine, in addition to leucine and valine, are involved in the regulation of the ilvB operon.
摘要
在ilvB前导mRNA中编码了11种不同的氨基酸。亮氨酸或缬氨酸饥饿，但其他9种氨基酸中的任何一种饥饿，都会导致高乙酰羟酸合酶I水平。根据一份报告（C.A.豪泽和G.W.哈特菲尔德，《美国国家科学院院刊》81:76 - 79, 1984年）对这些结果进行了讨论，该报告表明，除亮氨酸和缬氨酸外，苏氨酸和丙氨酸也参与ilvB操纵子的调控。
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