ArticleBMC microbiology2013
Diversity and biofilm-production ability among isolates of Escherichia coli phylogroup D belonging to ST69, ST393 and ST405 clonal groups.
Article in BMC microbiology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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22 citing papers in PubMed.
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- Genomic analysis of antimicrobial resistant Escherichia coli isolated from manure and manured agricultural grasslands.npj antimicrobials and resistance · 2025Article
- Epidemiological and molecular characteristics of extraintestinal pathogenic escherichia coli isolated from diseased cattle and sheep in Xinjiang, China from 2015 to 2019.BMC veterinary research · 2025Article
- The First Report ofMicroorganisms · 2024Article
- Whole-Genome Sequencing of anInfection and drug resistance · 2024Article
- Biofilm Formation byMicroorganisms · 2023Article
- An investigation of the presence and antimicrobial susceptibility ofFrontiers in microbiology · 2023Article
- Exploring the Diversity of Biofilm Formation by the Food SpoilerMicroorganisms · 2022Article
- Evaluating the antibiotic resistance and frequency of adhesion markers amongNew microbes and new infections · 2020Article
- Biofilm Formation and Virulence Determinants of Klebsiella oxytoca Clinical Isolates from Patients with Colorectal Cancer.Journal of gastrointestinal cancer · 2020Article
- Repeated Isolation of Extended-Spectrum-β-Lactamase-PositiveAntimicrobial agents and chemotherapy · 2019Article
- The association of surface adhesin genes and the biofilm formation amongNew microbes and new infections · 2019Article
- Incorporation ofFrontiers in veterinary science · 2018Article
- Phenotypic diversity and genotypic flexibility ofGenome research · 2017Article
- Trends in ExPEC serogroups in the UK and their significance.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2016Article
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- MALDI-TOF mass spectrometry as a tool for the discrimination of high-risk Escherichia coli clones from phylogenetic groups B2 (ST131) and D (ST69, ST405, ST393).European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2014Article
- Identification of a New Delhi metallo-β-lactamase-4 (NDM-4)-producing Escherichia coli in Italy.BMC microbiology · 2014Article
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7 authors.
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Abstract
backgroundPhylogenetic group D Escherichia coli clones (ST69, ST393, ST405) are increasingly reported as multidrug resistant strains causing extra-intestinal infections. We aim to characterize inter- and intraclonal diversity of a broad sample (isolates from different geographic locations and origins with variable antibiotic resistance profiles, 1980-2010) and their ability to adhere and form biofilm by both a modified quantitative biofilm producing assay and Field Emission Scanning Electron Microscopy (FESEM).
resultsHigh virulence scores were observed among ST69 (median 14/range 9-15) and ST393 (median 14/range 8-15) clones, particularly enriched in pap alleles, iha, kpsMTII-K5 and ompT, in contrast with ST405 (median 6/range 2-14) isolates, exhibiting frequently fyuA, malX and traT. All ST69 and ST393 and only two ST405 isolates were classified as ExPEC. Biofilm production was detected in two non-clinical ST69 and three ST393 isolates from different origins showing variable virulence profiles. Within each clonal group, and despite the high diversity of PFGE-types observed, isolates from different countries and recovered over large periods of time were clustered in a few groups sharing common virulence gene profiles among ST69 (n = 10 isolates) and ST393 (n = 9 isolates) (fimH-iha-iutA-kpsMTII-K5-(traT)-sat-(ompT)-papA-papEF-papGII-papC) or ST405 (n = 6 isolates) (fimH-traT-fyuA-malX).
conclusionsThis study highlights the circulation of highly transmissible ST69, ST393 and ST405 variants among different settings. Biofilm production seems not to be directly correlated with their epidemiological success.
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