Revised model for Enterococcus faecalis fsr quorum-sensing system:: the small oven readina frame fsrD encodes the gelatinase biosynthesis-activating pheromone propeptide corresponding to staphylococcal AgrD

被引：81

作者：

Nakayama, Jiro ^{[1
]}

Chen, Shengmin ^{[1
]}

Oyama, Nozomi ^{[1
]}

Nishiguchi, Kenzo ^{[1
]}

Azab, Essam A. ^{[1
]}

Tanaka, Emi ^{[1
]}

Kariyama, Reiko ^{[1
]}

Sonomoto, Kenji ^{[1
]}

机构：

[1] Kyushu Univ, Grad Sch, Fac Agr, Dept Biosci & Biotechnol,Higashi Ku, Fukuoka 8128581, Japan

来源：

JOURNAL OF BACTERIOLOGY | 2006年 / 188卷 / 23期

关键词：

D O I：

10.1128/JB.00865-06

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

Gelatinase biosynthesis-activating pheromone (GBAP) is an autoinducing peptide involved in Enterococcus faecalis fsr quorum sensing, and its 11-amino-acid sequence has been identified in the C-terminal region of the 242-residue deduced fsrB product (J. Nakayama et al., Mol. Microbiol. 41:145-154, 2001). In this study, however, we demonstrated the existence of fsrD, encoding the GBAP propeptide, which is in frame with fsrB but is translated independently of fsrB. It was also demonstrated that FsrB', an FsrD segment-truncated FsrB, functions as a cysteine protease-like processing enzyme to generate GBAP from FsrD. This revised model is consistent with the staphylococcal agr system.

引用

页码：8321 / 8326

页数：6

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