枯草芽孢杆菌spo0F基因的修订任务及其与spo0A和两个大肠杆菌基因的同源性。
Revised assignment for the Bacillus subtilis spo0F gene and its homology with spo0A and with two Escherichia coli genes.
作者信息
Yoshikawa H, Kazami J, Yamashita S, Chibazakura T, Sone H, Kawamura F, Oda M, Isaka M, Kobayashi Y, Saito H
出版信息
Nucleic Acids Res. 1986 Jan 24;14(2):1063-72. doi: 10.1093/nar/14.2.1063.
Abstract
The nucleotide sequences of spo0F mutant genes which block the early sporulation process of Bacillus subtilis were determined. The mutation sites together with the results of complementation tests suggested that an open reading frame for a polypeptide of Mr = 14,229 is the spo0F gene. The deduced amino acid sequence shows striking homology with that of the spo0A gene. In addition, the upstream region involving the rib some binding site of the spo0F coding region is also similar to those of spo0A and spo0B. These homologies suggest that all three genes have a similar function in regulating the initiation of sporulation, and that their expression is controlled by a common mechanism. Clear homology is also seen between the spo0 gene products and the transcriptional control proteins, OmpR and Dye, of Escherichia coli suggesting that the spo0 gene products also are involved in the control of transcription.
摘要
测定了阻断枯草芽孢杆菌早期芽孢形成过程的spo0F突变基因的核苷酸序列。突变位点以及互补试验结果表明，编码Mr = 14,229的多肽的开放阅读框即为spo0F基因。推导的氨基酸序列与spo0A基因的序列具有显著同源性。此外，spo0F编码区包含核糖体结合位点的上游区域也与spo0A和spo0B的相似。这些同源性表明，这三个基因在调节芽孢形成起始方面具有相似功能，且它们的表达受共同机制控制。spo0基因产物与大肠杆菌的转录控制蛋白OmpR和Dye之间也存在明显的同源性，这表明spo0基因产物也参与转录控制。
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