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肺炎克雷伯菌和鼠伤寒沙门氏菌1型菌毛亚基编码基因的核苷酸序列。

Nucleotide sequences of the genes encoding type 1 fimbrial subunits of Klebsiella pneumoniae and Salmonella typhimurium.

作者信息

Purcell B K, Pruckler J, Clegg S

机构信息

Department of Microbiology, University of Iowa, Iowa City 52242.

出版信息

J Bacteriol. 1987 Dec;169(12):5831-4. doi: 10.1128/jb.169.12.5831-5834.1987.

Abstract

The nucleotide sequences of the genes encoding the subunits of Klebsiella pneumoniae and Salmonella typhimurium type 1 fimbriae were determined. Comparison of the predicted amino acid sequences of the two subunits revealed domains in which the sequences were highly conserved. Both gene products possessed signal peptides, a fact consistent with the transport of the fimbrial subunit across the membrane, but these regions showed no amino acid homology between the two proteins. The predicted N-terminal amino acid sequences of the processed fimbrial subunits were in good agreement with those obtained by purification of the fimbrial subunits.

摘要

测定了编码肺炎克雷伯菌和鼠伤寒沙门氏菌1型菌毛亚基的基因的核苷酸序列。对这两个亚基的预测氨基酸序列进行比较,发现了序列高度保守的结构域。两种基因产物都具有信号肽,这一事实与菌毛亚基跨膜转运一致,但这两个区域在两种蛋白质之间没有氨基酸同源性。加工后的菌毛亚基的预测N端氨基酸序列与通过菌毛亚基纯化获得的序列高度一致。

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本文引用的文献

1
The fimbrial antigens of Shigella flexneri.福氏志贺菌的菌毛抗原
J Hyg (Lond). 1958 Sep;56(3):303-18. doi: 10.1017/s0022172400037803.
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An invertible element of DNA controls phase variation of type 1 fimbriae of Escherichia coli.
Proc Natl Acad Sci U S A. 1985 Sep;82(17):5724-7. doi: 10.1073/pnas.82.17.5724.

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