ArticleApplied and environmental microbiology2012
Phylogenetic grouping and virulence potential of extended-spectrum-β-lactamase-producing Escherichia coli strains in cattle.
Article in Applied and environmental microbiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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23 citing papers in PubMed, 63 citations in OpenAlex.
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- Extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae in cattle production - a threat around the world.Heliyon · 2020Review
- Prevalence and Molecular Characteristics of Extended-Spectrum and AmpC β-Lactamase ProducingFrontiers in microbiology · 2019Article
- Interplay between Peptidoglycan Biology and Virulence in Gram-Negative Pathogens.Microbiology and molecular biology reviews : MMBR · 2018Review
- VIM-1 carbapenemase-producingEcology and evolution · 2017Article
- Draft Genome Sequences of Enterohemorrhagic Escherichia coli Encoding Extended-Spectrum Beta-Lactamases.Genome announcements · 2016Article
- ESBL-producing Shiga-toxigenic E. coli (STEC) associated with piglet diarrhoea in India.Tropical animal health and production · 2015Article
- Assessment of Adhesins as an Indicator of Pathovar-Associated Virulence Factors in Bovine Escherichia coli.Applied and environmental microbiology · 2014Article
- Multiresistant extended-spectrum β-lactamase-producing Enterobacteriaceae from humans, companion animals and horses in central Hesse, Germany.BMC microbiology · 2014Article
- Emergence of Escherichia coli producing extended-spectrum AmpC β-lactamases (ESAC) in animals.Frontiers in microbiology · 2014Article
- Genetic characteristics of CTX-M-type extended-spectrum-β-lactamase (ESBL)-producing enterobacteriaceae involved in mastitis cases on Japanese dairy farms, 2007 to 2011.Journal of clinical microbiology · 2013Article
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8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In line with recent reports of extended-spectrum beta-lactamases (ESBLs) in Escherichia coli isolates of highly virulent serotypes, such as O104:H4, we investigated the distribution of phylogroups (A, B1, B2, D) and virulence factor (VF)-encoding genes in 204 ESBL-producing E. coli isolates from diarrheic cattle. ESBL genes, VFs, and phylogroups were identified by PCR and a commercial DNA array (Alere, France). ESBL genes belonged mostly to the CTX-M-1 (65.7%) and CTX-M-9 (27.0%) groups, whereas those of the CTX-M-2 and TEM groups were much less represented (3.9% and 3.4%, respectively). One ESBL isolate was stx(1) and eae positive and belonged to a major enterohemorrhagic E. coli (EHEC) serotype (O111:H8). Two other isolates were eae positive but stx negative; one of these had serotype O26:H11. ESBL isolates belonged mainly to phylogroup A (55.4%) and, to lesser extents, to phylogroups D (25.5%) and B1 (15.6%), whereas B2 strains were quasi-absent (1/204). The number of VFs was significantly higher in phylogroup B1 than in phylogroups A (P = 0.04) and D (P = 0.02). Almost all of the VFs detected were found in CTX-M-1 isolates, whereas only 64.3% and 33.3% of them were found in CTX-M-9 and CTX-M-2 isolates, respectively. These results indicated that the widespread dissemination of the bla(CTX-M) genes within the E. coli population from cattle still spared the subpopulation of EHEC/Shiga-toxigenic E. coli (STEC) isolates. In contrast to other reports on non-ESBL-producing isolates from domestic animals, B1 was not the main phylogroup identified. However, B1 was found to be the most virulent phylogroup, suggesting host-specific distribution of virulence determinants among phylogenetic groups.
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