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Identification of Host Adaptation Genes in Extraintestinal Pathogenic Escherichia coli during Infection in Different Hosts

Infect Immun.. 2019; 
Zhang H1,2, Chen X1,3, Nolan LK4, Zhang W5, Li G6,3.
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Custom DNA/RNA Oligos All oligonucleotide primers used in this study were purchased from Genscript (Nanjing, China) and are listed in Table S3. Get A Quote

摘要

Extraintestinal pathogenic Escherichia coli (ExPEC) is an important human and animal pathogen. Despite the apparent similarities in their known virulence attributes, some ExPEC strains can cross the host species barrier and present a zoonotic potential, whereas other strains exhibit host specificity, suggesting the existence of unknown mechanisms that remain to be identified. We applied a transposon-directed insertion site sequencing (TraDIS) strategy to investigate the ExPEC XM strain, which is capable of crossing the host species barrier, and to screen for virulence-essential genes in both mammalian (mouse) and avian (duck) models of E. coli-related septicemia. We identified 151 genes essential for systemic i... More

关键词

ExPEC; TraDIS; host adaptation; pathogenicity; septicemia