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CAMP signaling affects irreversible attachment during biofilm formation by Pseudomonas aeruginosa PAO1.


ABSTRACT: Pseudomonas aeruginosa responds to environmental changes and regulates its life cycle from planktonic to biofilm modes of growth. The control of cell attachment to surfaces is one of the critical processes that determine this transition. Environmental signals are typically relayed to the cytoplasm by second messenger systems. We here demonstrated that the second messenger, cAMP, regulated the attachment of cells. Our results suggest cAMP inhibited the transition from reversible to irreversible attachment. Further analyses revealed that cell surface hydrophobicity, one of the key factors in cell attachment, was altered by cAMP.

SUBMITTER: Ono K 

PROVIDER: S-EPMC4041239 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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cAMP signaling affects irreversible attachment during biofilm formation by Pseudomonas aeruginosa PAO1.

Ono Kaori K   Oka Rie R   Toyofuku Masanori M   Sakaguchi Ayane A   Hamada Masakaze M   Yoshida Shiomi S   Nomura Nobuhiko N  

Microbes and environments 20140219 1


Pseudomonas aeruginosa responds to environmental changes and regulates its life cycle from planktonic to biofilm modes of growth. The control of cell attachment to surfaces is one of the critical processes that determine this transition. Environmental signals are typically relayed to the cytoplasm by second messenger systems. We here demonstrated that the second messenger, cAMP, regulated the attachment of cells. Our results suggest cAMP inhibited the transition from reversible to irreversible a  ...[more]

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