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Article: Prevalence and characterization of hybrid blaCTX-M among Escherichia coli isolates from livestock and other animals

TitlePrevalence and characterization of hybrid blaCTX-M among Escherichia coli isolates from livestock and other animals
Authors
Issue Date2015
PublisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/diagmicrobio
Citation
Diagnostic Microbiology and Infectious Disease, 2015, v. 82 n. 2, p. 148-153 How to Cite?
AbstractThis study investigated 248 extended-spectrum β-lactamase-producing Escherichia coli isolates from 2012 to 2013 for hybrid blaCTX-M genes. blaCTX-M genes were detected in 228 isolates of which 14 isolates were hybrid blaCTX-M positive (6 blaCTX-M-123, 6 blaCTX-M-64, and 2 blaCTX-M-132). The 14 hybrid blaCTX-M–carrying isolates (8 from chickens, 2 each from pigs and cattle, 1 each from dog and rodent) were genetically diverse. All but 2 hybrid blaCTX-M were carried on IncI1 (5 blaCTX-M-123) and IncI2 (6 blaCTX-M-64 and one blaCTX-M-132) plasmids. Our IncI1 and IncI2 plasmids had pHNAH4-1–like and pHN1122-1–like restriction fragment length polymorphism patterns, respectively. Genetic relatedness of the plasmids to pHNAH4-1 and pHN1122-1 were confirmed by complete sequencing of 3 plasmids, pCTXM123_C0996, pCTXM64_C0967, and pCTXM132_P0421. Plasmids closely related to pHNAH4-1 and pHN1122-1 and carrying different blaCTX-M alleles have been reported from multiple geographic areas in China previously. The findings highlighted the wide dissemination of hybrid blaCTX-M variants in different parts of China.
Persistent Identifierhttp://hdl.handle.net/10722/213728
ISSN
2015 Impact Factor: 2.45
2015 SCImago Journal Rankings: 1.142
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorHo, PL-
dc.contributor.authorLiu, MCJ-
dc.contributor.authorLo, WU-
dc.contributor.authorLai, ELY-
dc.contributor.authorLau, TCK-
dc.contributor.authorLaw, OK-
dc.contributor.authorChow, KH-
dc.date.accessioned2015-08-14T03:12:55Z-
dc.date.available2015-08-14T03:12:55Z-
dc.date.issued2015-
dc.identifier.citationDiagnostic Microbiology and Infectious Disease, 2015, v. 82 n. 2, p. 148-153-
dc.identifier.issn0732-8893-
dc.identifier.urihttp://hdl.handle.net/10722/213728-
dc.description.abstractThis study investigated 248 extended-spectrum β-lactamase-producing Escherichia coli isolates from 2012 to 2013 for hybrid blaCTX-M genes. blaCTX-M genes were detected in 228 isolates of which 14 isolates were hybrid blaCTX-M positive (6 blaCTX-M-123, 6 blaCTX-M-64, and 2 blaCTX-M-132). The 14 hybrid blaCTX-M–carrying isolates (8 from chickens, 2 each from pigs and cattle, 1 each from dog and rodent) were genetically diverse. All but 2 hybrid blaCTX-M were carried on IncI1 (5 blaCTX-M-123) and IncI2 (6 blaCTX-M-64 and one blaCTX-M-132) plasmids. Our IncI1 and IncI2 plasmids had pHNAH4-1–like and pHN1122-1–like restriction fragment length polymorphism patterns, respectively. Genetic relatedness of the plasmids to pHNAH4-1 and pHN1122-1 were confirmed by complete sequencing of 3 plasmids, pCTXM123_C0996, pCTXM64_C0967, and pCTXM132_P0421. Plasmids closely related to pHNAH4-1 and pHN1122-1 and carrying different blaCTX-M alleles have been reported from multiple geographic areas in China previously. The findings highlighted the wide dissemination of hybrid blaCTX-M variants in different parts of China.-
dc.languageeng-
dc.publisherElsevier Inc. The Journal's web site is located at http://www.elsevier.com/locate/diagmicrobio-
dc.relation.ispartofDiagnostic Microbiology and Infectious Disease-
dc.rights© 2015. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.titlePrevalence and characterization of hybrid blaCTX-M among Escherichia coli isolates from livestock and other animals-
dc.typeArticle-
dc.identifier.emailHo, PL: plho@hkucc.hku.hk-
dc.identifier.emailLiu, MCJ: melis@hku.hk-
dc.identifier.emailLo, WU: stephlo@hku.hk-
dc.identifier.emailLai, ELY: elylai@hku.hk-
dc.identifier.emailChow, KH: khchowb@hku.hk-
dc.identifier.authorityHo, PL=rp00406-
dc.identifier.authorityChow, KH=rp00370-
dc.description.naturepostprint-
dc.identifier.doi10.1016/j.diagmicrobio.2015.02.010-
dc.identifier.pmid25861872-
dc.identifier.scopuseid_2-s2.0-84929049764-
dc.identifier.hkuros246367-
dc.identifier.volume82-
dc.identifier.issue2-
dc.identifier.spage148-
dc.identifier.epage153-
dc.identifier.isiWOS:000355068800009-
dc.publisher.placeUnited States-

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