ArticleCurrent microbiology2006
Evaluation of the anti-terminator Q933 gene as a marker for Escherichia coli O157:H7 with high Shiga toxin production.
Article in Current microbiology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 37 citations in OpenAlex.
- In Silico Analysis of Shiga Toxin-ProducingToxins · 2024Article
- Antimicrobial growth promoters approved in food-producing animals in South Africa induce shiga toxin-converting bacteriophages from Escherichia coli O157:H7.Gut pathogens · 2023Article
- Pathogenomes and variations in Shiga toxin production among geographically distinct clones ofMicrobial genomics · 2022Article
- Genomic Characterization of Two Shiga Toxin-Converting Bacteriophages Induced From Environmental Shiga Toxin-ProducingFrontiers in microbiology · 2021Article
- Epidemiology of Shiga Toxin-ProducingToxins · 2019Article
- Genotypic Features of Clinical and BovineMicroorganisms · 2018Review
- Factors Involved in the Persistence of a Shiga Toxin-ProducingFrontiers in microbiology · 2018Article
- Diversity of Survival Patterns among Escherichia coli O157:H7 Genotypes Subjected to Food-Related Stress Conditions.Frontiers in microbiology · 2016Article
- Comparative Genomic Analysis of Escherichia coli O157:H7 Isolated from Super-Shedder and Low-Shedder Cattle.PloS one · 2016Article
- Multilocus genotypic characterization of Escherichia coli O157:H7 recovered from food sources.Epidemiology and infection · 2015Article
- Characterization of Escherichia coli O157:H7 strains isolated from supershedding cattle.Applied and environmental microbiology · 2013Article
- Specificity of PCR and serological assays in the detection of Escherichia coli Shiga toxin subtypes.Applied and environmental microbiology · 2011Article
- Genome signatures of Escherichia coli O157:H7 isolates from the bovine host reservoir.Applied and environmental microbiology · 2011Article
- Characterization of verotoxin-encoding phages from Escherichia coli O103:H2 strains of bovine and human origins.Applied and environmental microbiology · 2008Article
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2 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The anti-terminator Q933 gene of the bacteriophage 933W was evaluated as a marker for Escherichia coli O157:H7 strains with high Shiga toxin production. In total, 262 environmental strains of E. coli O157:H7 isolated from feces of beef cattle and the digestive tract of houseflies were screened for the Q933 and Q21 (anti-terminator Q21 of bacteriophage 21) genes by polymerase chain reaction. Nine (3.4%) isolates tested positive for Q933 alone, 161 (61.5%) were positive for the Q21 gene alone, and 92 (35.1%) isolates carried both Q alleles. Results from the enzyme-linked immunosorbent assay show that the isolates with Q933 alone produced significantly more Shiga toxin than the remaining isolates. The difference was even greater after the induction of the toxin production by a short exposure of cells to ultraviolet light. These data suggest that Q933 is a promising indicator for environmental E. coli O157:H7 with high production of Shiga toxins and, therefore, for potentially clinically relevant strains.
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