Involvement of flagella-driven motility and pili in Pseudomonas aeruginosa colonization at the air-liquid interface.
Involvement of flagella-driven motility and pili in Pseudomonas aeruginosa colonization at the air-liquid interface.
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DOI:
10.1264/jsme2.me11322
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发表时间:
2012
影响因子:
2.2
通讯作者:
Igarashi Y
中科院分区:
文献类型:
--
作者:
Yamamoto K;Arai H;Ishii M;Igarashi Y
Many aerobic microorganisms can colonize at the air-liquid interface and form a multicellular structure, known as a pellicle. In this study, the involvement of motility and attachment traits in the Pseudomonas aeruginosa pellicle formation process was investigated. Flagella- and flagellar-motor-deficient mutants exhibited delayed pellicle formation and unusual pellicle morphology, indicating the large contribution of flagella-driven motility to structural development of the pellicle. A pili-deficient mutant showed normal pellicle formation properties, while the disruption of the pilus gene in the flagella-deficient mutant restored normal pellicle morphology. These results indicate that flagella and pili play key roles in P. aeruginosa pellicle development.
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