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Article: Invasive Streptococcus iniae infections outside North America

TitleInvasive Streptococcus iniae infections outside North America
Authors
Issue Date2003
PublisherAmerican Society for Microbiology.
Citation
Journal Of Clinical Microbiology, 2003, v. 41 n. 3, p. 1004-1009 How to Cite?
AbstractStreptococcus iniae, a fish pathogen causing infections in aquaculture farms worldwide, has only been reported to cause human infections in North America. In this article, we report the first two cases of invasive S. iniae infections in two Chinese patients outside North America. While the first patient presented with bacteremic cellulitis, which is the most common presentation in previous cases, the second patient represents the first recognized case of S. iniae osteomyelitis. Both S. iniae strains isolated from the two patients were either misidentified or unidentified by three commercial systems and were only identified by 16S rRNA gene sequencing. Since no currently available commercial system for bacterial identification includes S. iniae in its database, 16S rRNA gene sequencing is the most practical and reliable method to identify the bacterium at the moment. In contrast to the distinct genetic profile described previously in clinical isolates from Canada, the present two isolates and a clinical isolate from a Canadian patient were found to be genetically unrelated, as demonstrated by pulsed-field gel electrophoresis. Morphologically, colonies of both isolates were also larger, more beta-hemolytic and mucoid, which differ from the usual morphotype described for S. iniae. Owing to their habit of cooking and eating fresh fish, the Asian population is strongly associated with S. iniae infections. As a result of the difficulty in making microbiological diagnosis in patients with cellulitis and the problem of identification in most clinical microbiology laboratories, the prevalence of S. iniae infections, especially in the Asian population, may have been under-estimated.
Persistent Identifierhttp://hdl.handle.net/10722/49229
ISSN
2015 Impact Factor: 3.631
2015 SCImago Journal Rankings: 2.151
PubMed Central ID
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLau, SKPen_HK
dc.contributor.authorWoo, PCYen_HK
dc.contributor.authorTse, Hen_HK
dc.contributor.authorLeung, KWen_HK
dc.contributor.authorWong, SSYen_HK
dc.contributor.authorYuen, KYen_HK
dc.date.accessioned2008-06-12T06:37:11Z-
dc.date.available2008-06-12T06:37:11Z-
dc.date.issued2003en_HK
dc.identifier.citationJournal Of Clinical Microbiology, 2003, v. 41 n. 3, p. 1004-1009en_HK
dc.identifier.issn0095-1137en_HK
dc.identifier.urihttp://hdl.handle.net/10722/49229-
dc.description.abstractStreptococcus iniae, a fish pathogen causing infections in aquaculture farms worldwide, has only been reported to cause human infections in North America. In this article, we report the first two cases of invasive S. iniae infections in two Chinese patients outside North America. While the first patient presented with bacteremic cellulitis, which is the most common presentation in previous cases, the second patient represents the first recognized case of S. iniae osteomyelitis. Both S. iniae strains isolated from the two patients were either misidentified or unidentified by three commercial systems and were only identified by 16S rRNA gene sequencing. Since no currently available commercial system for bacterial identification includes S. iniae in its database, 16S rRNA gene sequencing is the most practical and reliable method to identify the bacterium at the moment. In contrast to the distinct genetic profile described previously in clinical isolates from Canada, the present two isolates and a clinical isolate from a Canadian patient were found to be genetically unrelated, as demonstrated by pulsed-field gel electrophoresis. Morphologically, colonies of both isolates were also larger, more beta-hemolytic and mucoid, which differ from the usual morphotype described for S. iniae. Owing to their habit of cooking and eating fresh fish, the Asian population is strongly associated with S. iniae infections. As a result of the difficulty in making microbiological diagnosis in patients with cellulitis and the problem of identification in most clinical microbiology laboratories, the prevalence of S. iniae infections, especially in the Asian population, may have been under-estimated.en_HK
dc.format.extent386 bytes-
dc.format.mimetypetext/html-
dc.languageengen_HK
dc.publisherAmerican Society for Microbiology.en_HK
dc.relation.ispartofJournal of Clinical Microbiologyen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsJournal of Clinical Microbiology. Copyright © American Society for Microbiology.en_HK
dc.rightsCopyright © American Society for Microbiology, Journal of Clinical Microbiology, 2003, v. 41 n. 3, p. 1004-1009en_HK
dc.subject.meshRNA, Ribosomal, 16S - analysis - geneticsen_HK
dc.subject.meshStreptococcal Infections - epidemiology - microbiologyen_HK
dc.subject.meshStreptococcus - classification - genetics - isolation & purificationen_HK
dc.subject.meshDNA, Bacterial - analysisen_HK
dc.subject.meshElectrophoresis, Gel, Pulsed-Fielden_HK
dc.titleInvasive Streptococcus iniae infections outside North Americaen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0095-1137&volume=41&issue=3&spage=1004&epage=1009&date=2003&atitle=Invasive+Streptococcus+iniae+infections+outside+North+Americaen_HK
dc.identifier.emailLau, SKP:skplau@hkucc.hku.hken_HK
dc.identifier.emailWoo, PCY:pcywoo@hkucc.hku.hken_HK
dc.identifier.emailTse, H:herman@graduate.hku.hken_HK
dc.identifier.emailWong, SSY:samsonsy@hkucc.hku.hken_HK
dc.identifier.emailYuen, KY:kyyuen@hkucc.hku.hken_HK
dc.identifier.authorityLau, SKP=rp00486en_HK
dc.identifier.authorityWoo, PCY=rp00430en_HK
dc.identifier.authorityTse, H=rp00519en_HK
dc.identifier.authorityWong, SSY=rp00395en_HK
dc.identifier.authorityYuen, KY=rp00366en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1128/JCM.41.3.1004-1009.2003en_HK
dc.identifier.pmid12624022-
dc.identifier.pmcidPMC150295en_HK
dc.identifier.scopuseid_2-s2.0-0037338408en_HK
dc.identifier.hkuros80047-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0037338408&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume41en_HK
dc.identifier.issue3en_HK
dc.identifier.spage1004en_HK
dc.identifier.epage1009en_HK
dc.identifier.isiWOS:000181616500014-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLau, SKP=7401596211en_HK
dc.identifier.scopusauthoridWoo, PCY=7201801340en_HK
dc.identifier.scopusauthoridTse, H=7006070596en_HK
dc.identifier.scopusauthoridLeung, KW=7401860831en_HK
dc.identifier.scopusauthoridWong, SSY=13310021400en_HK
dc.identifier.scopusauthoridYuen, KY=36078079100en_HK

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