Is the Ami-AliA/B oligopeptide permease of Streptococcus pneumoniae involved in sensing environmental conditions?

被引：46

作者：

Claverys, JP ^{[1
]}

Grossiord, B ^{[1
]}

Alloing, G ^{[1
]}

机构：

[1] Univ Toulouse 3, CNRS, UMR5100, Lab Microbiol & Genet Mol, F-31062 Toulouse, France

来源：

RESEARCH IN MICROBIOLOGY | 2000年 / 151卷 / 06期

关键词：

adherence; amino acid transport; competence; methotrexate resistance; oligopeptide ABC permease; quorum sensing;

D O I：

10.1016/S0923-2508(00)00169-8

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Streptococcus pneumoniae is a fastidious obligate parasite requiring several amino acids for growth. Oligopeptide uptake mediated by the Ami ABC permease is therefore important for nutrition but this could not account for the highly pleiotropic phenotype exhibited by Ami mutants. The hypothesis that peptide transport plays a pivotal role in sensing environmental conditions and indirectly modulates the expression of several genes is discussed. (C) 2000 Editions scientifiques et medicales Elsevier SAS.

引用

页码：457 / 463

页数：7

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