ArticleBMC microbiology2017
Survival capabilities of Escherichia coli O26 isolated from cattle and clinical sources in Australia to disinfectants, acids and antimicrobials.
Article in BMC microbiology, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Evaluation of bedding treatments to inhibit Klebsiella pneumoniae growth in wood shavings and sand.JDS communications · 2026Article
- Differences in risk factors for transmission among Shiga toxin-producing Escherichia coli serogroups and stx profiles.The Journal of infection · 2023Article
- Towards Green Strategies of Food Security: Antibacterial Synergy of Essential Oils fromMicroorganisms · 2022Article
- Enhancing Colistin Activity against Colistin-ResistantPharmaceuticals (Basel, Switzerland) · 2022Article
- Insights into Emergence of Antibiotic Resistance in Acid-Adapted EnterohaemorrhagicAntibiotics (Basel, Switzerland) · 2021Review
- Antimicrobial efficacy of aqueous ozone in combination with short chain fatty acid buffers.Infection prevention in practice · 2020Article
- Modulation of EnterohaemorrhagicMicroorganisms · 2018Review
- Characterization of biofilm-forming capacity and resistance to sanitizers of a range of E. coli O26 pathotypes from clinical cases and cattle in Australia.BMC microbiology · 2018Article
- Multidrug Resistant UropathogenicFrontiers in microbiology · 2018Article
- Biofilms in the Food Industry: Health Aspects and Control Methods.Frontiers in microbiology · 2018Review
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3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundAfter E. coli O157, E. coli O26 is the second most prevalent enterohaemorrhagic E. coli (EHEC) serotype identified in cases of foodborne illness in Australia and throughout the world. E. coli O26 associated foodborne outbreaks have drawn attention to the survival capabilities of this organism in a range of environments. The aim of the present study was to assess the ability of E. coli O26 to survive the effects of disinfectants, acids and antimicrobials and investigate the possible influence of virulence genes in survival and persistence of E. coli O26 from human and cattle sources from Australia.
resultsInitial characterization indicated that E. coli O26 are a genetically diverse group that were shown to belong to a number of pathotypes. Overall, 86.4% of isolates were susceptible to all antimicrobials tested with no significant differences in resistance observed between pathotypes. A representative subset of isolates (n = 40) were selected to determine their ability to survive disinfectants at proposed industry working concentrations and acid stress. Profoam, Kwiksan 22, and Topactive DES. were able to inhibit the growth of 100% of isolates. The remaining three disinfectants (Dairy Chlor 12.5%, Envirosan and Maxifoam) were not effective against the subset of 40 E. coli O26. Finally, elevated MICs (1,024 to 4,096 μg/ml) of acetic, propionic, lactic, and citric acids were determined for the majority of the isolates (85%).
conclusionsAustralian E. coli O26 isolates belong to a range of pathotypes that harbor differing virulence markers. Despite this, their response to antimicrobials, disinfectants and acids is similar confirming that stress response appears unrelated to the presence of EHEC virulence markers. Notwithstanding, the tolerance to disinfectants and the elevated acid MICs for EHEC and the other E. coli O26 pathotypes examined in this study may contribute to bacterial colonization on food contact surfaces and subsequent foodborne illness caused by this pathogen.
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