Corynebacterium ureicelerivorans sp. nov., a lipophilic bacterium isolated from blood culture.
A lipophilic coryneform bacterium isolated from a blood culture from a patient with signs of septicaemia was characterized by means of phenotypic and molecular taxonomic methods. Chemotaxonomic investigations revealed the presence of cell-wall chemotype IV and short-chain mycolic acids, which are consistent with the genus Corynebacterium. The isolate was characterized biochemically by the very rapid (approx. 60 s) positive result that was obtained in a urease test in the API Coryne system. Comparative 16S rRNA gene sequencing demonstrated that the isolate belonged phylogenetically to the genus Corynebacterium. The values for sequence divergence (> or =1.4 %) with respect to known Corynebacterium species, together with phenotypic differences, show that the unidentified bacterium represents a novel member of this genus. On the basis of both the phenotypic and phylogenetic data, this isolate should be classified within a novel species of the genus Corynebacterium, for which the name Corynebacterium ureicelerivorans sp. nov. is proposed. The type strain is IMMIB RIV-2301(T) (=DSM 45051(T)=CCUG 53377(T)).
Yassin
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Institut für Medizinische Mikrobiologie und Immunologie der Universität Bonn, Sigmund-Freud-Straße 25, 53127 Bonn, Germany.
D016470:Bacteremia / Q000382:microbiology*; D015373:Bacterial Typing Techniques; D001769:Blood / Q000382:microbiology*; D002473:Cell Wall / Q000737:chemistry; D003352:Corynebacterium / Q000145:classification* / Q000302:isolation & purification*; D003354:Corynebacterium Infections / Q000382:microbiology*; D004269:DNA, Bacterial / Q000737:chemistry / Q000235:genetics; D004275:DNA, Ribosomal / Q000737:chemistry / Q000235:genetics; D020459:Genes, rRNA; D006801:Humans; D008969:Molecular Sequence Data; D009171:Mycolic Acids / Q000032:analysis; D010802:Phylogeny; D012329:RNA, Bacterial / Q000235:genetics; D012336:RNA, Ribosomal, 16S / Q000235:genetics; D017422:Sequence Analysis, DNA; D012689:Sequence Homology, Nucleic Acid; D014510:Urease / Q000032:analysis
D004269:DNA, Bacterial; D004275:DNA, Ribosomal; D009171:Mycolic Acids; D012329:RNA, Bacterial; D012336:RNA, Ribosomal, 16S; D014510:Urease