1887

Abstract

Three strains of a previously undescribed catalase-positive non-lipophilic coryneform bacterium isolated from human clinical specimens were characterized by phenotypic and molecular taxonomic methods. Morphologically the unknown bacterium consisted of pleomorphic rods, some of which displayed bulges/knobs at their ends. All three strains were similar in that they produced acid from fructose, glucose, maltose and sucrose and were urease-positive. Chemotaxonomic investigations revealed the presence of -diaminopimelic acid and short-chain mycolic acids consistent with the genus Comparative 16S rRNA gene sequencing showed that the three strains are genealogically highly related and constitute a new subline within the genus , displaying >3% sequence divergence with recognized species. The unknown bacterium was distinguished from currently validly published species by phenotypic tests, including electrophoretic analysis of whole-cell proteins. Based on phylogenetic and phenotypic evidence, it is proposed that the unknown bacterium from clinical specimens be classified as sp. nov. The type strain is CCUG 36622.

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/content/journal/ijsem/10.1099/00207713-49-2-361
1999-04-01
2019-11-12
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http://instance.metastore.ingenta.com/content/journal/ijsem/10.1099/00207713-49-2-361
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