Fifty Ways To Inhibit Motility via Cyclic Di-GMP: the Emerging Pseudomonas aeruginosa Swarming Story

被引:13
作者
McCarter, Linda L. [1 ]
Gomelsky, Mark [2 ]
机构
[1] Univ Iowa, Dept Microbiol, Iowa City, IA 52242 USA
[2] Univ Wyoming, Dept Mol Biol, Laramie, WY 82071 USA
基金
美国国家科学基金会;
关键词
FLAGELLAR MOTOR; BIOFILM FORMATION; 2ND-MESSENGER; CHEMOTAXIS; STATORS; PHOSPHODIESTERASE; TRANSCRIPTION; COMPLEXES; CELLULOSE; BACTERIA;
D O I
10.1128/JB.02483-14
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
There are numerous ways by which cyclic dimeric GMP (c-di-GMP) inhibits motility. Kuchma et al. (S. L. Kuchma, N. J. Delalez, L. M. Filkins, E. A. Snavely, J. P. Armitage, and G. A. O'Toole, J. Bacteriol. 197: 420-430, 2015, http://dx. doi. org/10.1128/JB. 02130-14) offer a new, previously unseen way of swarming motility inhibition in Pseudomonas aeruginosa PA14. This bacterium possesses a single flagellum with one rotor and two sets of stators, only one of which can provide torque for swarming. The researchers discovered that elevated levels of c-di-GMP inhibit swarming by skewing stator selection in favor of the nonfunctional, "bad" stators.
引用
收藏
页码:406 / 409
页数:4
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