另一个影响大肠杆菌性表达的基因。
Another gene affecting sexual expression of Escherichia coli.
作者信息
Lerner T J, Zinder N D
出版信息
J Bacteriol. 1982 Apr;150(1):156-60. doi: 10.1128/jb.150.1.156-160.1982.
Abstract
We have examined the relationship between two chromosomal mutations of Escherichia coli K-12, fexA (0 min) and fexB (85 min), in regulating expression of the F sex factor. Together, fexA and fexB exert a pleiotropic effect on the expression of the F tra genes. F pilus synthesis, conjugal donor activity, and surface exclusion activity are all inhibited in the fexA fexB mutant. Either fex mutation alone is cryptic.
摘要
我们研究了大肠杆菌K-12的两种染色体突变fexA（0分钟）和fexB（85分钟）在调节F性因子表达方面的关系。fexA和fexB共同对F tra基因的表达产生多效性影响。在fexA fexB突变体中，F菌毛合成、接合供体活性和表面排斥活性均受到抑制。单独的任何一种fex突变都是隐性的。
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