ArticleJournal of clinical microbiology1997
Use of the flagellar H7 gene as a target in multiplex PCR assays and improved specificity in identification of enterohemorrhagic Escherichia coli strains.
Article in Journal of clinical microbiology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 94 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
94 citing papers in PubMed, 367 citations in OpenAlex.
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- Antibiotic-Resistant Genes and Pathogens Shed by Wild Deer Correlate with Land Application of Residuals.EcoHealth · 2018Article
- Interactions of the Hindgut Mucosa-Associated Microbiome with Its Host Regulate Shedding of Escherichia coli O157:H7 by Cattle.Applied and environmental microbiology · 2018Article
- Multi-Year Persistence of VerotoxigenicFrontiers in microbiology · 2018Article
34 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
PCR products of 1.8 kb were generated with DNAs from all Escherichia coli H7 strains tested by using oligonucleotide primers which flank the fliC gene. Three RsaI digestion profiles of these PCR products were evident on agarose gels; the first occurred with serotype O55:H7, O157:H7, or nonmotile (NM) strains, the second occurred with serotype O1:H7 and O18:H7 strains, and the third occurred with serotype O?:H7, O19:H7, O121:H7, O88:H7, and O156:H7 strains. Despite these differences, the nucleotide sequences of the E. coli E32511 (O157:NM) and U5-41 (O1:H7) fliC genes were 97% homologous. Two PCR primer pairs synthesized on the basis of the E32511 H7 fliC sequence amplified specific DNA fragments from all E. coli H7 strains, but did not amplify DNA fragments from the other bacterial strains. The H7-specific primers were used in combination with other primers which target the Verotoxin 1(VT1) and VT2 genes and the E. coli O157:H7 eaeA gene in multiplex PCR assays. In these assays, vt and eaeA PCR products were observed with DNAs from the majority of EHEC strains and vt, eaeA, and fliC PCR products were observed with DNAs from E. coli O157:H7 or NM strains. Only eaeA PCR products were present with DNA from enteropathogenic E. coli, and only vt PCR products occurred with VT-producing E. coli which are not EHEC. The multiplex PCR assays described allow for the specific identification of E. coli O157:H7 or NM and other EHEC strains.
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