NDLI: Novel Genes Involved in Pseudomonas fluorescens Pf0-1 Motility and Biofilm Formation

Content Provider	PubMed Central
Author	Mastropaolo, Matthew D. Silby, Mark W. Nicoll, Julie S. Levy, Stuart B.
Copyright Year	2012
Abstract	AdnA in Pseudomonas fluorescens, an ortholog of FleQ in P. aeruginosa, regulates both motility and flagellum-mediated attachment to various surfaces. A whole-genome microarray determined the AdnA transcriptome by comparing the gene expression pattern of wild-type Pf0-1 to that of Pf0-2x (adnA deletion mutant) in broth culture. In the absence of AdnA, expression of 92 genes was decreased, while 11 genes showed increased expression. Analysis of 16 of these genes fused to lacZ confirmed the microarray results. Several genes were further evaluated for their role in motility and biofilm formation. Two genes, Pfl01_1508 and Pfl01_1517, affected motility and had different effects on biofilm formation in Pf0-1. These two genes are predicted to specify proteins similar to the glycosyl transferases FgtA1 and FgtA2, which have been shown to be involved in virulence and motility in P. syringae. Three other genes, Pfl01_1516, Pfl01_1572, and Pfl01_1573, not previously associated with motility and biofilm formation in Pseudomonas had similar effects on biofilm formation in Pf0-1. Deletion of each of these genes led to different motility defects. Our data revealed an additional level of complexity in the control of flagellum function beyond the core genes known to be required and may yield insights into processes important for environmental persistence of P. fluorescens Pf0-1.
Related Links	http://dx.doi.org/10.1128/aem.07201-11
Ending Page	4329
Page Count	12
Starting Page	4318
File Format	PDF
ISSN	00992240
e-ISSN	10985336
Journal	Applied and Environmental Microbiology
Issue Number	12
Volume Number	78
Language	English
Publisher	American Society for Microbiology
Publisher Date	2012-06-15
Access Restriction	Open
Rights Holder	American Society for Microbiology
Subject Keyword	Biotechnology Food Science Ecology Applied Microbiology and Biotechnology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Ecology Food Science Applied Microbiology and Biotechnology Biotechnology

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