Pathogenicity Island Markers, Virulence DeterminantsmalXandusp, and the Capacity ofEscherichia coliTo Persist in Infants' Commensal Microbiotas
نویسندگان
چکیده
منابع مشابه
distribution of the pathogenicity island (pai) markers and phylogenetic groups in diarrheagenic and commensal escherichia coli from young children
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متن کاملEnterococcal virulence--pathogenicity island of E. Faecalis.
Enterococcal species, though most commonly regarded as members of the microbial flora of the intestinal tract, have recently emerged as human pathogens of significant concern. The rapid spread of antibiotic resistance among enterococci, which has resulted in strains now being routinely isolated that are resistant to all bactericidal regimens, has prompted considerable interest in investigating ...
متن کاملDistribution of pathogenicity island (PAI) markers and phylogenetic groups in diarrheagenic and commensal Escherichia coli from young children
AIM This case-control study investigated the various PAI markers, phylogenetic groups and antimicrobial susceptibility among DEC and commensal E. coli isolates. BACKGROUND Diarrheagenic Escherichia coli (DEC) is an emerging agent among pathogens that cause diarrheal diseases and represents a major public health problem in developing countries. The major difference in virulence among DEC patho...
متن کاملDissecting virulence: systematic and functional analyses of a pathogenicity island.
Bacterial pathogenicity islands (PAI) often encode both effector molecules responsible for disease and secretion systems that deliver these effectors to host cells. Human enterohemorrhagic Escherichia coli (EHEC), enteropathogenic E. coli, and the mouse pathogen Citrobacter rodentium (CR) possess the locus of enterocyte effacement (LEE) PAI. We systematically mutagenized all 41 CR LEE genes and...
متن کاملPathogenicity island-directed transfer of unlinked chromosomal virulence genes.
In recent decades, the notorious pathogen Staphylococcus aureus has become progressively more contagious, more virulent, and more resistant to antibiotics. This implies a rather dynamic evolutionary capability, representing a remarkable level of genomic plasticity, most probably maintained by horizontal gene transfer. Here we report that the staphylococcal pathogenicity islands have a dual role...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 2011
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.02405-10