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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
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TitleLaribacter hongkongensis gen. nov., sp. nov., a novel gram-negative bacterium isolated from a cirrhotic patient with bacteremia and empyema
 
AuthorsYuen, KY1
Woo, PCY1
Teng, JLL1
Leung, KW1
Wong, MKM1
Lau, SKP1
 
Issue Date2001
 
PublisherAmerican Society for Microbiology.
 
CitationJournal Of Clinical Microbiology, 2001, v. 39 n. 12, p. 4227-4232 [How to Cite?]
DOI: http://dx.doi.org/10.1128/JCM.39.12.4227-4232.2001
 
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.
 
ISSN0095-1137
2013 Impact Factor: 4.232
 
DOIhttp://dx.doi.org/10.1128/JCM.39.12.4227-4232.2001
 
PubMed Central IDPMC88529
 
ISI Accession Number IDWOS:000172616100001
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorYuen, KY
 
dc.contributor.authorWoo, PCY
 
dc.contributor.authorTeng, JLL
 
dc.contributor.authorLeung, KW
 
dc.contributor.authorWong, MKM
 
dc.contributor.authorLau, SKP
 
dc.date.accessioned2008-06-12T06:37:07Z
 
dc.date.available2008-06-12T06:37:07Z
 
dc.date.issued2001
 
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.
 
dc.description.naturepublished_or_final_version
 
dc.format.extent390 bytes
 
dc.format.mimetypetext/html
 
dc.identifier.citationJournal Of Clinical Microbiology, 2001, v. 39 n. 12, p. 4227-4232 [How to Cite?]
DOI: http://dx.doi.org/10.1128/JCM.39.12.4227-4232.2001
 
dc.identifier.doihttp://dx.doi.org/10.1128/JCM.39.12.4227-4232.2001
 
dc.identifier.epage4232
 
dc.identifier.hkuros74478
 
dc.identifier.isiWOS:000172616100001
 
dc.identifier.issn0095-1137
2013 Impact Factor: 4.232
 
dc.identifier.issue12
 
dc.identifier.openurl
 
dc.identifier.pmcidPMC88529
 
dc.identifier.pmid11724825
 
dc.identifier.scopuseid_2-s2.0-0035208662
 
dc.identifier.spage4227
 
dc.identifier.urihttp://hdl.handle.net/10722/49226
 
dc.identifier.volume39
 
dc.languageeng
 
dc.publisherAmerican Society for Microbiology.
 
dc.publisher.placeUnited States
 
dc.relation.ispartofJournal of Clinical Microbiology
 
dc.relation.referencesReferences in Scopus
 
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
 
dc.rightsJournal of Clinical Microbiology. Copyright © American Society for Microbiology.
 
dc.rightsCopyright © American Society for Microbiology, Journal of Clinical Microbiology, 2001, v. 39 n. 12, p. 4227-4232
 
dc.subject.meshBacteremia - microbiology
 
dc.subject.meshEmpyema, Pleural - microbiology
 
dc.subject.meshLiver Cirrhosis, Alcoholic - complications
 
dc.subject.meshNeisseriaceae - classification - genetics - isolation & purification - ultrastructure
 
dc.subject.meshNeisseriaceae Infections - microbiology
 
dc.titleLaribacter hongkongensis gen. nov., sp. nov., a novel gram-negative bacterium isolated from a cirrhotic patient with bacteremia and empyema
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong