NDLI: An intricate network of regulators controls biofilm formation and colonization by Vibrio fischeri

Content Provider	PubMed Central
Author	Visick, Karen L.
Abstract	The initial encounter between a microbe and its host can dictate the success of the interaction, be it symbiosis or pathogenesis. This is the case, for example, in the symbiosis between the bacterium Vibrio fischeri and the squid Euprymna scolopes, which proceeds via a biofilm-like bacterial aggregation, followed by entry and growth. A key regulator, the sensor kinase RscS, is critical for symbiotic biofilm formation and colonization. When introduced into fish symbiont strains that naturally lack the rscS gene and cannot colonize squid, RscS permits colonization, thereby extending the host range of these bacteria. RscS controls biofilm formation by inducing transcription of the symbiosis polysaccharide (syp) gene locus. Transcription of syp also requires the σ54-dependent activator SypG, which functions downstream of RscS. In addition to these regulators, SypE, a response regulator that lacks an apparent DNA binding domain, exerts both positive and negative control over biofilm formation. The putative sensor kinase SypF and the putative response regulator VpsR, both of which contribute to control of cellulose production, also influence biofilm formation. The wealth of regulators and the correlation between biofilm formation and colonization adds to the already considerable utility of the V. fischeri-E. scolopes model system.
Related Links	http://dx.doi.org/10.1111/j.1365-2958.2009.06899.x
Ending Page	789
Page Count	8
Starting Page	782
File Format	PDF
ISSN	0950382X
e-ISSN	13652958
Journal	Molecular microbiology
Issue Number	4
Volume Number	74
Language	English
Publisher Date	2009-11-01
Access Restriction	Open
Subject Keyword	Molecular Biology Microbiology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Molecular Biology Microbiology

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The response regulator SypE controls biofilm formation and colonization through phosphorylation of the syp-encoded regulator SypA in Vibrio fischeri

Inactivation of a novel response regulator is necessary for biofilm formation and host colonization by Vibrio fischeri

The symbiosis regulator RscS controls the syp gene locus, biofilm formation and symbiotic aggregation by Vibrio fischeri

The Putative Hybrid Sensor Kinase SypF Coordinates Biofilm Formation in Vibrio fischeri by Acting Upstream of Two Response Regulators, SypG and VpsR▿

Roles of the Structural Symbiosis Polysaccharide (syp) Genes in Host Colonization, Biofilm Formation, and Polysaccharide Biosynthesis in Vibrio fischeri

Vibrio fischeri σ54 Controls Motility, Biofilm Formation, Luminescence, and Colonization

The syp Enhancer Sequence Plays a Key Role in Transcriptional Activation by the σ54-Dependent Response Regulator SypG and in Biofilm Formation and Host Colonization by Vibrio fischeri

Multiple Vibrio fischeri genes are involved in biofilm formation and host colonization

CysK Plays a Role in Biofilm Formation and Colonization by Vibrio fischeri

An intricate network of regulators controls biofilm formation and colonization by Vibrio fischeri

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The response regulator SypE controls biofilm formation and colonization through phosphorylation of the syp-encoded regulator SypA in Vibrio fischeri

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