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Identification of Secreted Virulence Factors of Chromobacterium violaceum
Thiago Castro-Gomes,Santuza M. R. Teixeira,Mariana S. Cardoso,Wanderson D. DaRocha,Letícia A. Laibida,Andréa M. A. Nascimento,Luciana W. Zuccherato,Maria Fátima Horta,Marcelo P. Bemquerer 한국미생물학회 2014 The journal of microbiology Vol.52 No.4
Chromobacterium violaceum, a component of tropical soilmicrobiota, is an opportunistic pathogenic bacterium thatcan infect humans and other animals. In addition to identifyinga large number of genes that demonstrate the vast biotechnologicalpotential of this bacterium, genome sequencingrevealed several virulence factors, including different cytolysins,which can be related to its pathogenicity. Here weconfirmed these predictions from genomic analyses by identifying,through mass spectrometry, proteins present in theculture supernatant of C. violaceum that may constitute secretedvirulence factors. Among them, we identified a secretedcollagenase and the product of a gene with sequence similarityto previously characterized bacterial porins.