Bacterial surface motility: Slime trails, grappling hooks and nozzles

被引：55

作者：

Merz, AJ ^{[1
]}

Forest, KT

机构：

[1] Dartmouth Coll, Sch Med, Dept Biochem, Hanover, NH 03755 USA

[2] Univ Wisconsin, Dept Bacteriol, Madison, WI 53706 USA

来源：

CURRENT BIOLOGY | 2002年 / 12卷 / 08期

关键词：

D O I：

10.1016/S0960-9822(02)00806-0

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：

It has been known for decades that bacteria locomote over surfaces, but the mechanisms that power motility have been unclear. Recent experiments have begun to explain two modes of surface motility. Twitching or social gliding motility is powered by the retraction of type IV pili. Adventurous gliding motility is powered by the rearward secretion of carbohydrate slime. In both cases, cell movement depends on the translocation of enormous volumes of macromolecules through outer membrane pore complexes. In this review, we describe molecular models for surface motility and discuss how these models can inform studies of macromolecule secretion across bacterial membranes.

引用

页码：R297 / R303

页数：7

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