Starvation Selection Restores Elastase and Rhamnolipid Production in a Pseudomonas aeruginosa Quorum-Sensing Mutant
AUTOR(ES)
Van Delden, Christian
FONTE
American Society for Microbiology
RESUMO
The las quorum-sensing system of Pseudomonas aeruginosa controls the expression of elastase and rhamnolipid. We report that starvation can select a mutant producing these virulence factors in spite of a lasR deletion. Expression of the autoinducer synthase gene rhlI was increased in this suppressor mutant, suggesting compensation by the rhl system. These data show that P. aeruginosa can restore elastase and rhamnolipid production in the absence of a functional las quorum-sensing system.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=108545Documentos Relacionados
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