共 38 条
A carboxy-terminal domain of Tir from enterohemorrhagic Escherichia coli O157:H7 (EHEC O157:H7) required for efficient type III secretion
被引:16
作者:

Allen-Vercoe, E
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机构:
Univ Calgary, Hlth Sci Ctr, Dept Microbiol & Infect Dis, Calgary, AB T2N 4N1, Canada Univ Calgary, Hlth Sci Ctr, Dept Microbiol & Infect Dis, Calgary, AB T2N 4N1, Canada

Toh, MCW
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h-index: 0
机构:
Univ Calgary, Hlth Sci Ctr, Dept Microbiol & Infect Dis, Calgary, AB T2N 4N1, Canada Univ Calgary, Hlth Sci Ctr, Dept Microbiol & Infect Dis, Calgary, AB T2N 4N1, Canada

Waddell, B
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h-index: 0
机构:
Univ Calgary, Hlth Sci Ctr, Dept Microbiol & Infect Dis, Calgary, AB T2N 4N1, Canada Univ Calgary, Hlth Sci Ctr, Dept Microbiol & Infect Dis, Calgary, AB T2N 4N1, Canada

Ho, H
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机构:
Univ Calgary, Hlth Sci Ctr, Dept Microbiol & Infect Dis, Calgary, AB T2N 4N1, Canada Univ Calgary, Hlth Sci Ctr, Dept Microbiol & Infect Dis, Calgary, AB T2N 4N1, Canada

DeVinney, R
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Calgary, Hlth Sci Ctr, Dept Microbiol & Infect Dis, Calgary, AB T2N 4N1, Canada Univ Calgary, Hlth Sci Ctr, Dept Microbiol & Infect Dis, Calgary, AB T2N 4N1, Canada
机构:
[1] Univ Calgary, Hlth Sci Ctr, Dept Microbiol & Infect Dis, Calgary, AB T2N 4N1, Canada
基金:
加拿大健康研究院;
关键词:
Tir;
host-pathogen interactions;
enterohemorrhagic Escherichia coli;
protein-protein interaction;
type III secretion;
D O I:
10.1016/j.femsle.2004.12.027
中图分类号:
Q93 [微生物学];
学科分类号:
071005 ;
100705 ;
摘要:
The type III secreted protein Tir from Enterohemorrhagic Escherichia coli (EHEC O157:H7) plays a central role in adherence and pedestal formation during infection. Little is known about how Tir domains outside of the amino-terminus contribute to efficient Tir secretion and translocation. We found a 6 amino acid (519-524) carboxy-terminal region which was required for efficient Tir secretion and translocation. Interestingly, EHEC O157:H7 TirDelta519-524 was efficiently secreted when expressed in the related pathogen enteropathogenic E. coli. These data suggest that this region may play a role in maintaining EHEC O157:H7 Tir in a secretion-competent conformation. (C) 2004 Federation of European Microbiological Societies. Published by Elsevier B.V. All rights reserved.
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页码:355 / 364
页数:10
相关论文
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