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Abstract

A Gram-stain-negative, non-spore-forming, strictly aerobic, orange-pigmented bacterial strain, motile by gliding, designated CAU 1044, was isolated from a green seaweed and its taxonomic position was investigated using a polyphasic approach. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain CAU 1044 formed a distinct lineage within the genus and was most closely related to JCM 15445 and KOPRI 20941 (96.3 and 95.7 % similarity, respectively). Strain CAU 1044 contained menaquinone 6 as the only isoprenoid quinone and iso-C summed feature 3 (comprising Cω7 and/or Cω6 and/or iso-C 2-OH), iso-C 3-OH and iso-C G as the major fatty acids. The cell wall peptidoglycan of strain CAU 1044 contained -diaminopimelic acid and the major whole-cell sugars were glucose and ribose. The polar lipids were composed of phosphatidylethanolamine, one unidentified phospholipid, six unidentified aminolipids and four unidentified lipids. The DNA G+C content was 40.2 mol%. On the basis of phenotypic data and phylogenetic inference, strain CAU 1044 should be classified as a representative of a novel species in the genus for which the name sp. nov. is proposed. The type strain is CAU 1044 ( = KCTC 23735  = CCUG 61948). Emended descriptions of the genus and the species KCTC 22053 are also proposed.

Funding
This study was supported by the:
  • , Ministry of Health & Welfare, Republic of Korea , (Award A103017)
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2013-07-01
2020-08-14
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