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Bioinformatics, genomics and evolution of non-flagellar type-III secretion systems: a Darwinian perpective
被引:120
|作者:
Pallen, MJ
[1
]
Beatson, SA
[1
]
Bailey, CM
[1
]
机构:
[1] Univ Birmingham, Sch Med, Div Immun & Infect, Bacterial Pathogenesis & Genom Unit, Birmingham B15 2TT, W Midlands, England
基金:
英国生物技术与生命科学研究理事会;
英国医学研究理事会;
关键词:
type-III secretion;
chaperones;
evolution;
bacterial virulence;
symbiosis;
bioinformatics;
genomics;
homology;
D O I:
10.1016/j.femsre.2005.01.001
中图分类号:
Q93 [微生物学];
学科分类号:
071005 ;
100705 ;
摘要:
We review the biology of non-flagellar type-III secretion systems from a Darwinian perspective, highlighting the themes of evolution, conservation, variation and decay. The presence of these systems in environmental organisms such as Myxococcus, Desulfovibrio and Verrucomicrobium hints at roles beyond virulence. We review newly discovered sequence homologies (e.g., YopN/TyeA and SepL). We discuss synapomorphies that might be useful in formulating a taxonomy of type-III secretion. The problem of information overload is likely to be ameliorated by launch of a web site devoted to the comparative biology of type-III secretion (http://3base.bham.ac.uk). (c) 2005 Federation of European Microbiological Societies. Published by Elsevier B.V. All rights reserved.
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页码:201 / 229
页数:29
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