1887

Abstract

A Gram-negative-staining, obligately aerobic, non-motile, rod-shaped and chemoheterotrophic bacterium, designated strain MN1-1006, was isolated from an ascidian (sea squirt) sample, and was studied using a polyphasic taxonomic approach. Phylogenetic analyses based on 16S rRNA gene sequences indicated that the new isolate shared approximately 93–99% sequence similarity with recognized species of the genus within the phylum ‘’. DNA–DNA hybridization values between strain MN1-1006 and HOact23 and YM29-052 were 57% and 14.5%, respectively. Strain MN1-1006 produced carotenoid compounds that rendered the cell biomass a reddish pink colour. The strain also contained squalene. The cell-wall peptidoglycan of the novel strain contained muramic acid and -diaminopimelic acid. The DNA G+C content of strain MN1-1006 was 51.4 mol%. The major cellular fatty acids were iso-C, iso-C and anteiso-C. The major isoprenoid quinone was MK-9. On the basis of these data, it was concluded that strain MN1-1006 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is MN1-1006( = KCTC 23186 = NBRC 107102).

Funding
This study was supported by the:
  • New Energy and Industrial Technology Development Organization (NEDO)
  • Institute for Fermentation, Osaka, Japan (Award 2009–2011)
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2011-07-01
2024-04-18
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