Occurrence of hlyA and sheA genes in extraintestinal Escherichia coli strains

Monika Kerényi; Heather E. Allison; István Bátai; Ágnes Sonnevend; Levente Emödy; Nóra Plaveczky; Tibor Pál

doi:10.1128/JCM.43.6.2965-2968.2005

Occurrence of hlyA and sheA genes in extraintestinal Escherichia coli strains

Monika Kerényi, Heather E. Allison, István Bátai, Ágnes Sonnevend, Levente Emödy, Nóra Plaveczky, Tibor Pál

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48 Citations (Scopus)

Abstract

The association of a hemolytic phenotype with the carriage of the α-hemolysin gene (hlyA) and/or the silent hemolysin gene (sheA or clyA) among 540 extraintestinal clinical isolates of Escherichia coli and 110 fecal isolates from healthy individuals was investigated. Though HlyA is an important virulence factor in extraintestinal E. coli infection, the role of SheA is not completely clarified. Two hemolytic sheA⁺ E. coli strains that lacked hlyA and possessed no other hemolysin genes were identified. No hlyA ⁺ sheA⁺ strains were identified, suggesting that there is possible incompatibility between hlyA and sheA in the chromosome of E. coli.

Original language	English
Pages (from-to)	2965-2968
Number of pages	4
Journal	Journal of Clinical Microbiology
Volume	43
Issue number	6
DOIs	https://doi.org/10.1128/JCM.43.6.2965-2968.2005
Publication status	Published - Jun 2005
Externally published	Yes

ASJC Scopus subject areas

Microbiology (medical)

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10.1128/JCM.43.6.2965-2968.2005

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title = "Occurrence of hlyA and sheA genes in extraintestinal Escherichia coli strains",

abstract = "The association of a hemolytic phenotype with the carriage of the α-hemolysin gene (hlyA) and/or the silent hemolysin gene (sheA or clyA) among 540 extraintestinal clinical isolates of Escherichia coli and 110 fecal isolates from healthy individuals was investigated. Though HlyA is an important virulence factor in extraintestinal E. coli infection, the role of SheA is not completely clarified. Two hemolytic sheA+ E. coli strains that lacked hlyA and possessed no other hemolysin genes were identified. No hlyA + sheA+ strains were identified, suggesting that there is possible incompatibility between hlyA and sheA in the chromosome of E. coli.",

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T1 - Occurrence of hlyA and sheA genes in extraintestinal Escherichia coli strains

AU - Kerényi, Monika

AU - Allison, Heather E.

AU - Bátai, István

AU - Sonnevend, Ágnes

AU - Emödy, Levente

AU - Plaveczky, Nóra

AU - Pál, Tibor

PY - 2005/6

Y1 - 2005/6

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AB - The association of a hemolytic phenotype with the carriage of the α-hemolysin gene (hlyA) and/or the silent hemolysin gene (sheA or clyA) among 540 extraintestinal clinical isolates of Escherichia coli and 110 fecal isolates from healthy individuals was investigated. Though HlyA is an important virulence factor in extraintestinal E. coli infection, the role of SheA is not completely clarified. Two hemolytic sheA+ E. coli strains that lacked hlyA and possessed no other hemolysin genes were identified. No hlyA + sheA+ strains were identified, suggesting that there is possible incompatibility between hlyA and sheA in the chromosome of E. coli.

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Occurrence of hlyA and sheA genes in extraintestinal Escherichia coli strains

Abstract

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