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Article: Streptococcus sinensis may react with Lancefield group F antiserum

TitleStreptococcus sinensis may react with Lancefield group F antiserum
Authors
Issue Date2004
PublisherSociety for General Microbiology. The Journal's web site is located at http://jmm.sgmjournals.org
Citation
Journal Of Medical Microbiology, 2004, v. 53 n. 11, p. 1083-1088 How to Cite?
Abstract
Lancefield group F streptococci have been found almost exclusively as members of the 'Streptococcus miller' group, although they have been reported very occasionally in some other streptococcal species. Among 302 patients with bacteraemia caused by viridans streptococci over a 6-year period, three cases were caused by Streptococcus sinensis (type strain HKU4T, HKU5 and HKU6). All three patients had infective endocarditis complicating their underlying chronic rheumatic heart diseases. Gene sequencing showed no base differences between the 16S rRNA gene sequences of HKU5 and HKU6 and that of HKU4T. All three strains were Gram-positive, non-spore-forming cocci arranged in chains. All grew on sheep blood agar as α-haemolytic, grey colonies of 0·5-1 mm in diameter after 24 h incubation at 37 °C in ambient air. Lancefield grouping revealed that HKU5 and HKU6 were Lancefield group F, but HKU4T was non-groupable with Lancefield groups A, B, C, D, F or G antisera. HKU4T was identified by the Vitek system (GPI), API system (20 STREP) and ATB system (ID32 STREP) as 99% Streptococcus intermedius, 51·3% S. intermedius and 99·9% Streptococcus anginosus, respectively. Using the same tests, HKU5 was identified as 87% Streptococcus sanguinis/Streptococcus gordonii, 59% Streptococcus salivarius and 99·6% S. anginosus, respectively, and HKU6 as 87% S. sanguinis/S. gordonii, 77% Streptococcus pneumoniae and 98-3% S. anginosus, respectively. The present data revealed that a proportion of Lancefield group F streptococci could be S. sinensis. Lancefield group F streptococci should not be automatically reported as 'S. miller'.
Persistent Identifierhttp://hdl.handle.net/10722/78983
ISSN
2013 Impact Factor: 2.266
2013 SCImago Journal Rankings: 1.025
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWoo, PCYen_HK
dc.contributor.authorTeng, JLLen_HK
dc.contributor.authorLeung, KWen_HK
dc.contributor.authorLau, SKPen_HK
dc.contributor.authorTse, Hen_HK
dc.contributor.authorWong, BHLen_HK
dc.contributor.authorYuen, KYen_HK
dc.date.accessioned2010-09-06T07:49:10Z-
dc.date.available2010-09-06T07:49:10Z-
dc.date.issued2004en_HK
dc.identifier.citationJournal Of Medical Microbiology, 2004, v. 53 n. 11, p. 1083-1088en_HK
dc.identifier.issn0022-2615en_HK
dc.identifier.urihttp://hdl.handle.net/10722/78983-
dc.description.abstractLancefield group F streptococci have been found almost exclusively as members of the 'Streptococcus miller' group, although they have been reported very occasionally in some other streptococcal species. Among 302 patients with bacteraemia caused by viridans streptococci over a 6-year period, three cases were caused by Streptococcus sinensis (type strain HKU4T, HKU5 and HKU6). All three patients had infective endocarditis complicating their underlying chronic rheumatic heart diseases. Gene sequencing showed no base differences between the 16S rRNA gene sequences of HKU5 and HKU6 and that of HKU4T. All three strains were Gram-positive, non-spore-forming cocci arranged in chains. All grew on sheep blood agar as α-haemolytic, grey colonies of 0·5-1 mm in diameter after 24 h incubation at 37 °C in ambient air. Lancefield grouping revealed that HKU5 and HKU6 were Lancefield group F, but HKU4T was non-groupable with Lancefield groups A, B, C, D, F or G antisera. HKU4T was identified by the Vitek system (GPI), API system (20 STREP) and ATB system (ID32 STREP) as 99% Streptococcus intermedius, 51·3% S. intermedius and 99·9% Streptococcus anginosus, respectively. Using the same tests, HKU5 was identified as 87% Streptococcus sanguinis/Streptococcus gordonii, 59% Streptococcus salivarius and 99·6% S. anginosus, respectively, and HKU6 as 87% S. sanguinis/S. gordonii, 77% Streptococcus pneumoniae and 98-3% S. anginosus, respectively. The present data revealed that a proportion of Lancefield group F streptococci could be S. sinensis. Lancefield group F streptococci should not be automatically reported as 'S. miller'.en_HK
dc.languageengen_HK
dc.publisherSociety for General Microbiology. The Journal's web site is located at http://jmm.sgmjournals.orgen_HK
dc.relation.ispartofJournal of Medical Microbiologyen_HK
dc.subject.meshBacteremia - microbiologyen_HK
dc.subject.meshDNA, Bacterial - chemistry - isolation & purificationen_HK
dc.subject.meshDNA, Ribosomal - chemistry - isolation & purificationen_HK
dc.subject.meshEndocarditis, Bacterial - microbiologyen_HK
dc.subject.meshGenes, rRNA - geneticsen_HK
dc.subject.meshGentian Violeten_HK
dc.subject.meshGram-Positive Coccien_HK
dc.subject.meshHemolysisen_HK
dc.subject.meshHumansen_HK
dc.subject.meshMolecular Sequence Dataen_HK
dc.subject.meshPhenazinesen_HK
dc.subject.meshPhylogenyen_HK
dc.subject.meshRNA, Bacterial - geneticsen_HK
dc.subject.meshRNA, Ribosomal, 16S - geneticsen_HK
dc.subject.meshSequence Analysis, DNAen_HK
dc.subject.meshSerotypingen_HK
dc.subject.meshSpores, Bacterialen_HK
dc.subject.meshStreptococcal Infections - diagnosis - microbiologyen_HK
dc.subject.meshViridans Streptococci - classification - cytology - immunology - physiologyen_HK
dc.titleStreptococcus sinensis may react with Lancefield group F antiserumen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0022-2615&volume=53&issue=Pt 11&spage=1083&epage=8&date=2004&atitle=Streptococcus+sinensis+may+react+with+Lancefield+group+F+antiserum.en_HK
dc.identifier.emailWoo, PCY:pcywoo@hkucc.hku.hken_HK
dc.identifier.emailTeng, JLL:llteng@hku.hken_HK
dc.identifier.emailLau, SKP:skplau@hkucc.hku.hken_HK
dc.identifier.emailTse, H:herman@graduate.hku.hken_HK
dc.identifier.emailYuen, KY:kyyuen@hkucc.hku.hken_HK
dc.identifier.authorityWoo, PCY=rp00430en_HK
dc.identifier.authorityTeng, JLL=rp00277en_HK
dc.identifier.authorityLau, SKP=rp00486en_HK
dc.identifier.authorityTse, H=rp00519en_HK
dc.identifier.authorityYuen, KY=rp00366en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1099/jmm.0.45745-0en_HK
dc.identifier.pmid15496384en_HK
dc.identifier.scopuseid_2-s2.0-11144224250en_HK
dc.identifier.hkuros100177en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-11144224250&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume53en_HK
dc.identifier.issue11en_HK
dc.identifier.spage1083en_HK
dc.identifier.epage1088en_HK
dc.identifier.isiWOS:000225112500005-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridWoo, PCY=7201801340en_HK
dc.identifier.scopusauthoridTeng, JLL=7202560229en_HK
dc.identifier.scopusauthoridLeung, KW=7401860831en_HK
dc.identifier.scopusauthoridLau, SKP=7401596211en_HK
dc.identifier.scopusauthoridTse, H=7006070596en_HK
dc.identifier.scopusauthoridWong, BHL=7402023413en_HK
dc.identifier.scopusauthoridYuen, KY=36078079100en_HK

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