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Article: Laribacter hongkongensis gen. nov., sp. nov., a novel gram-negative bacterium isolated from a cirrhotic patient with bacteremia and empyema

TitleLaribacter hongkongensis gen. nov., sp. nov., a novel gram-negative bacterium isolated from a cirrhotic patient with bacteremia and empyema
Authors
Issue Date2001
PublisherAmerican Society for Microbiology.
Citation
Journal Of Clinical Microbiology, 2001, v. 39 n. 12, p. 4227-4232 How to Cite?
Abstract
A bacterium was isolated from the blood and empyema of a cirrhotic patient. The cells were facultatively anaerobic, nonsporulating, gram-negative, seagull shaped or spiral rods. The bacterium grows on sheep blood agar as nonhemolytic, gray colonies 1 mm in diameter after 24 h of incubation at 37°C in ambient air. Growth also occurs on MacConkey agar and at 25 and 42°C but not at 4, 44, and 50°C. The bacterium can grow in 1 or 2% but not 3, 4, or 5% NaCl. No enhancement of growth is observed with 5% CO2. The organism is aflagellated and nonmotile at both 25 and 37°C. It is oxidase, catalase, urease, and arginine dihydrolase positive, and it reduces nitrate. It does not ferment, oxidize, or assimilate any sugar tested. 16S rRNA gene sequencing showed that there are 91 base differences (6.2%), 112 base differences (7.7%), and 116 base differences (8.2%) between the bacterium and Microvirgula aerodenitrificans, Vogesella indigofera, and Chromobacterium species, respectively. The G+C content (mean and standard deviation) is 68.0% ± 2.43%, and the genomic size is about 3 Mb. Based on phylogenetic affiliation, the bacterium belongs to the Neisseriaceae family of the β-subclass of Proteobacteria. For these reasons, a new genus and species, Laribacter hongkongensis gen. nov., sp. nov., is proposed, for which HKU1 is the type strain. Further studies should be performed to ascertain the potential of this bacterium to become an emerging pathogen.
Persistent Identifierhttp://hdl.handle.net/10722/49226
ISSN
2013 Impact Factor: 4.232
PubMed Central ID
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYuen, KYen_HK
dc.contributor.authorWoo, PCYen_HK
dc.contributor.authorTeng, JLLen_HK
dc.contributor.authorLeung, KWen_HK
dc.contributor.authorWong, MKMen_HK
dc.contributor.authorLau, SKPen_HK
dc.date.accessioned2008-06-12T06:37:07Z-
dc.date.available2008-06-12T06:37:07Z-
dc.date.issued2001en_HK
dc.identifier.citationJournal Of Clinical Microbiology, 2001, v. 39 n. 12, p. 4227-4232en_HK
dc.identifier.issn0095-1137en_HK
dc.identifier.urihttp://hdl.handle.net/10722/49226-
dc.description.abstractA bacterium was isolated from the blood and empyema of a cirrhotic patient. The cells were facultatively anaerobic, nonsporulating, gram-negative, seagull shaped or spiral rods. The bacterium grows on sheep blood agar as nonhemolytic, gray colonies 1 mm in diameter after 24 h of incubation at 37°C in ambient air. Growth also occurs on MacConkey agar and at 25 and 42°C but not at 4, 44, and 50°C. The bacterium can grow in 1 or 2% but not 3, 4, or 5% NaCl. No enhancement of growth is observed with 5% CO2. The organism is aflagellated and nonmotile at both 25 and 37°C. It is oxidase, catalase, urease, and arginine dihydrolase positive, and it reduces nitrate. It does not ferment, oxidize, or assimilate any sugar tested. 16S rRNA gene sequencing showed that there are 91 base differences (6.2%), 112 base differences (7.7%), and 116 base differences (8.2%) between the bacterium and Microvirgula aerodenitrificans, Vogesella indigofera, and Chromobacterium species, respectively. The G+C content (mean and standard deviation) is 68.0% ± 2.43%, and the genomic size is about 3 Mb. Based on phylogenetic affiliation, the bacterium belongs to the Neisseriaceae family of the β-subclass of Proteobacteria. For these reasons, a new genus and species, Laribacter hongkongensis gen. nov., sp. nov., is proposed, for which HKU1 is the type strain. Further studies should be performed to ascertain the potential of this bacterium to become an emerging pathogen.en_HK
dc.format.extent390 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, 2001, v. 39 n. 12, p. 4227-4232en_HK
dc.subject.meshBacteremia - microbiologyen_HK
dc.subject.meshEmpyema, Pleural - microbiologyen_HK
dc.subject.meshLiver Cirrhosis, Alcoholic - complicationsen_HK
dc.subject.meshNeisseriaceae - classification - genetics - isolation & purification - ultrastructureen_HK
dc.subject.meshNeisseriaceae Infections - microbiologyen_HK
dc.titleLaribacter hongkongensis gen. nov., sp. nov., a novel gram-negative bacterium isolated from a cirrhotic patient with bacteremia and empyemaen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0095-1137&volume=39&issue=12&spage=4227&epage=4232&date=2001&atitle=Laribacter+hongkongensis+gen.+nov.,+sp.+nov.,+a+novel+gram-negative+bacterium+isolated+from+a+cirrhotic+patient+with+bacteremia+and+empyemaen_HK
dc.identifier.emailYuen, KY:kyyuen@hkucc.hku.hken_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.authorityYuen, KY=rp00366en_HK
dc.identifier.authorityWoo, PCY=rp00430en_HK
dc.identifier.authorityTeng, JLL=rp00277en_HK
dc.identifier.authorityLau, SKP=rp00486en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1128/JCM.39.12.4227-4232.2001en_HK
dc.identifier.pmid11724825en_HK
dc.identifier.pmcidPMC88529en_HK
dc.identifier.scopuseid_2-s2.0-0035208662en_HK
dc.identifier.hkuros74478-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035208662&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume39en_HK
dc.identifier.issue12en_HK
dc.identifier.spage4227en_HK
dc.identifier.epage4232en_HK
dc.identifier.isiWOS:000172616100001-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridYuen, KY=36078079100en_HK
dc.identifier.scopusauthoridWoo, PCY=7201801340en_HK
dc.identifier.scopusauthoridTeng, JLL=7202560229en_HK
dc.identifier.scopusauthoridLeung, KW=7401860831en_HK
dc.identifier.scopusauthoridWong, MKM=35123119500en_HK
dc.identifier.scopusauthoridLau, SKP=7401596211en_HK

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