Architecture of peptidoglycan: more data and more models

被引：256

作者：

Vollmer, Waldemar ^{[1
]}

Seligman, Stephen J. ^{[2
]}

机构：

[1] Univ Newcastle, Ctr Bacterial Cell Biol, Inst Cell & Mol Biosci, Newcastle Upon Tyne NE2 4HH, Tyne & Wear, England

[2] New York Med Coll, Dept Microbiol & Immunol, Valhalla, NY 10510 USA

来源：

TRENDS IN MICROBIOLOGY | 2010年 / 18卷 / 02期

基金：

英国生物技术与生命科学研究理事会;

关键词：

RESISTANT STAPHYLOCOCCUS-AUREUS; CELL-WALL ORGANIZATION; BACILLUS-SUBTILIS; 168; SOLID-STATE NMR; ESCHERICHIA-COLI; MUREIN PEPTIDOGLYCAN; CRYOELECTRON MICROSCOPY; 3-DIMENSIONAL STRUCTURE; TERTIARY STRUCTURE; GLYCAN STRANDS;

D O I：

10.1016/j.tim.2009.12.004

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Peptidoglycan forms a net-like sacculus made of glycan strands crosslinked by peptides. The length of the glycan strands and the degree of crosslinkage vary with bacterial species, strains and growth conditions. Several models for the three-dimensional architecture of peptidoglycan have been proposed, some of which have been tested experimentally. The new data support a layered model in Gram-negative bacteria, and a more elaborate peptidoglycan architecture, with bands made of coiled bundles of glycan strands, in the rod-shaped Bacillus subtilis. However, many questions remain unanswered and, therefore, more data and more models are required to decipher the complex cell wall architecture in bacteria.

引用

页码：59 / 66

页数：8

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