Microbial pathogenesis · 2018
Comparative genomic analyses of two novel qnrVC6 carrying multidrug-resistant Pseudomonas. spp strains.
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Liu Junyan, Yang Ling, Li Lin, Li Bing, Chen Dingqiang, Xu Zhenbo
Аннотация
OBJECTIVES: This study focused on the comparative genomic analyses of two qnrVC6 carrying Pseudomonas spp. strains which might give us insights on the similarity and difference in the genomic contexts of qnrVC6 gene.
METHODS: Comparative genomic analyses of the novel qnrVC6 carrying Pseudomonas spp. genomes with emphasis on their antimicrobial resistance genes and virulence factors were performed.
RESULTS: Most Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways, Clusters of Orthologous Groups of proteins (COG) categories, and (Gene Ontology) GO terms are shared by both genomes. Although qnrVC6 gene is responsible for the increase of quinolone resistance in both strains, but it duplicated in P. putida strain Guangzhou-Ppu420. And the resistance to β-lactams and aminoglycosides are dependent on different genes. Sharing some adherence, antiphagocytosis, and iron uptake related genes with P. putida strain Guangzhou-Ppu420, P. aeruginosa strain Guangzhou-Pae617 specifically acquires biosurfactant, pigment, protease, regulation, secretion system, and toxin related virulence factors.
CONCLUSIONS: Sharing most KEGG pathways, COG categories, and GO terms, P. putida strain Guangzhou-Ppu420 and P. aeruginosa strain Guangzhou-Pae617 differ in antimicrobial resistance genes and virulence factors.
METHODS: Comparative genomic analyses of the novel qnrVC6 carrying Pseudomonas spp. genomes with emphasis on their antimicrobial resistance genes and virulence factors were performed.
RESULTS: Most Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways, Clusters of Orthologous Groups of proteins (COG) categories, and (Gene Ontology) GO terms are shared by both genomes. Although qnrVC6 gene is responsible for the increase of quinolone resistance in both strains, but it duplicated in P. putida strain Guangzhou-Ppu420. And the resistance to β-lactams and aminoglycosides are dependent on different genes. Sharing some adherence, antiphagocytosis, and iron uptake related genes with P. putida strain Guangzhou-Ppu420, P. aeruginosa strain Guangzhou-Pae617 specifically acquires biosurfactant, pigment, protease, regulation, secretion system, and toxin related virulence factors.
CONCLUSIONS: Sharing most KEGG pathways, COG categories, and GO terms, P. putida strain Guangzhou-Ppu420 and P. aeruginosa strain Guangzhou-Pae617 differ in antimicrobial resistance genes and virulence factors.
Предметные рубрики MeSH
Anti-Bacterial AgentsBacterial ToxinsBase CompositionDNA, BacterialDrug Resistance, Multiple, BacterialGenes, BacterialGenome SizeGenome, BacterialMetabolic Networks and PathwaysPlasmidsPseudomonasPseudomonas InfectionsPseudomonas aeruginosaPseudomonas putidaQuinolonesSequence AlignmentSequence Analysis, DNAVirulence FactorsWhole Genome Sequencing