Gene-protein relationships in the flagellar hook-basal body complex of Bacillus subtilis: sequences of the flgB, flgC, flgG, fliE and fliF genes.

Gene-protein relationships in the flagellar hook-basal body complex of Bacillus subtilis: sequences of the flgB, flgC, flgG, fliE and fliF genes.
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枯草芽孢杆菌鞭毛钩-基体复合体中的基因-蛋白质关系:flgB、flgC、flgG、fliE 和 fliF 基因的序列。

DOI:
10.1016/0378-1119(91)90220-6
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发表时间:
1991
期刊:
影响因子:
3.5
通讯作者:
Ordal,GW
Ordal,GW
中科院分区:
生物学3区
文献类型:
--
作者:
Zuberi,AR;Ying,C;Bischoff,DS;Ordal,GW

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测定了枯草芽孢杆菌主基因座5个基因的核苷酸序列。这些基因中的四个编码与鼠伤寒沙门氏菌FlgB、FlgC、FlgG和FliF蛋白同源的蛋白质。一个基因编码一种与大肠杆菌FliE蛋白同源的蛋白。数据来自S.鼠伤寒沙门氏菌E.大肠杆菌的研究表明,所有这些蛋白质都形成了细菌鞭毛的钩-基体(HBB)复合物的一部分。FlgB、FlgC和FlgG蛋白是近端和远端杆的组分。FliF蛋白形成将杆组件锚定到膜的M环。FliE蛋白在HBB复合物中的作用尚未确定。B之间的相似性。subtilisandS. typhimurium蛋白的发现表明,M环和杆的结构在两个物种中可能是相似的。然而,我们观察到一些相应的同源物之间的大小和氨基酸组成的一些差异,这表明基体蛋白可能在B中的组织略有不同。枯草芽孢杆菌
The nucleotide sequence of five genes from the majorBacillus subtilischemotaxis locus has been determined. Four of these genes encode proteins that are homologous to theSalmonella typhimuriumFlgB, FlgC, FlgG and FliF proteins. One gene encodes a protein that is homologous to theEscherichia coliFliE protein. The data fromS. typhimuriumandE. colisuggest that all of these proteins form part of the hook-basal body (HBB) complex of the bacterial flagella. The FlgB, FlgC and FlgG proteins are components of the proximal and distal rods. The FliF protein forms the M-ring that anchors the rod assembly to the membrane. The role of the FliE protein within the HBB complex has not yet been determined. The similarity between theB. subtilisandS. typhimuriumproteins suggests that the structure of the M-ring and the rod may be similar in the two species. However, we observed some differences in size and amino acid composition between some of the corresponding homologues that suggest the basal body proteins may be organized slightly differently withinB. subtilis.
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