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Success of Escherichia coli O25b:H4 Sequence Type 131 Clade C Associated with a Decrease in Virulence.

Infection and immunity - 16 Nov 2020

Duprilot Marion, Baron Alexandra, Blanquart François, Dion Sara, Pouget Cassandra, Lettéron Philippe, Flament-Simon Saskia-Camille, Clermont Olivier, Denamur Erick, Nicolas-Chanoine Marie-Hélène

Abstract excerpt

Escherichia coli O25b:H4 sequence type 131 (ST131), which is resistant to fluoroquinolones and which is a producer of CTX-M-15, is globally one of the major extraintestinal pathogenic E. coli (ExPEC) lineages. Phylogenetic analyses showed that multidrug-resistant ST131 strains belong to clade C, which recently emerged from clade B by stepwise evolution. It has been hypothesized that features other than multidrug...

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Identifiers

PMID: 32989036
DOI: 10.1128/IAI.00576-20
PMCID: PMC7671891

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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