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bacterial gliding
Bacterial gliding is a process whereby a bacterium can move under its own power. This process does not involve the use of flagella, which is a more common means of motility in bacteria. For many bacteria, the mechanism of gliding is unknown or only partially known, and it seems likely that in fact different bacteria use distinct mechanisms to achieve what is currently referred to as gliding. Gliding is prominent in cyanobacteria, myxobacteria the cytophaga and flavobacteria.
The only understood mechanism involves using type IV pili in such bacteria as ''Pseudomonas aeruginosa'' and ''Myxococcus xanthus''. In addition, for ''Myxococcus xanthus'' A-motility (one of the two motility mechanisms this bacterium has) two other mechanisms have been proposed, one involving ejection of a polysaccharide slime from nozzles at either end of the body and the other using "focal adhesion complexes" distributed along the cell body.
==References==
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抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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