Characterization of Roseibacterium persicicum sp. nov., and emended description of the genus Roseibacterium. Issue 13 (23rd June 2020)

• Record Type: Journal Article
• Authors: Yoon, Jaewoo
• Is Part Of: FEMS microbiology letters. Volume 367:Issue 13(2020)
• Publication Date: 2020-06-23
• Subjects: Alphaproteobacteria -- Rhodobacteraceae -- Roseibacterium persicicum sp. nov -- seawater -- 16S rRNA gene sequence -- genome sequence -- polyphasic taxonomy; Microbiology -- Periodicals; 579
• DOI: 10.1093/femsle/fnaa101
• Languages: English
• ISSNs: 0378-1097

Abstract

ABSTRACT: A novel alphaproteobacterium, designated as KMU-115 T, was isolated from seawater collected on the coast of Chuam Beach, Republic of Korea, and subjected to a polyphasic characterization. The cells were pale apricot-colored, strictly aerobic, Gram-staining-negative, rod-shaped, non-motile and chemoorganoheterotrophic. The novel isolate grew at NaCl concentrations of 0–7%, pH 6.0–9.5 and 10–45°C. A phylogenetic analysis based on the 16S rRNA gene sequence revealed that strain KMU-115 T belongs to the family ' Rhodobacteraceae ', and that it had the greatest sequence similarity (96.8%) with ' Roseibacterium beibuensis ' JLT1202r T . The major respiratory quinone system of the novel isolate was ubiquinone-10 (Q-10) and the main (>10%) cellular fatty acid was C18:1 ω 7 c . The assembled draft genome size of strain KMU-115 T was 3.71 Mbp. The genomic DNA G + C content was 70.8 mol%. Strain KMU-115 T had phosphatidylglycerol, four unidentified aminolipids, an unidentified aminophospholipid and seven unidentified lipids as polar lipids. From the distinct polyphasic taxonomic characteristics, the strain is considered to represent a novel species of the genus Roseibacterium for which the name Roseibacterium persicicum sp. nov. is proposed. The type strain of R. persicicum sp. nov. is KMU-115 T (= KCCM 90339 T = NBRC 114190 T ). An emended description of the genus Roseibacterium is also provided. Abstract : On the basis of distinct polyphasic taxonomic evidences, the novel strain KMU-115 T represents a novel species of the genus Roseibacterium, Roseibacterium persicicum sp. nov.