1887

Abstract

A novel species of the genus , designated SYSU M41301, was isolated from water sample of the Pearl River estuary in Guangdong, China. Polyphasic, taxonomic and phylogenomic analyses were used to determine the taxonomy position of the strain. Phylogenetic analysis using 16S rRNA gene sequence indicated that strain SYSU M41301 showed the highest sequence similarity to KCTC 22213 (97.9 %) and KCTC 23339 (96.4 %). The novel species could be differentiated from other species of the genus by its distinct phenotypic and genotypic characteristics. The isolate was Gram-staining-negative, aerobic, short rod-shape, oxidase-positive and non-motile. The predominant respiratory quinone was ubiquinone 8 (Q-8). The major polar lipids were diphosphatidylglycerol, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine, and one unidentified polar lipid. The major fatty acids (>10 % of total) were 11-methyl C 7, summed feature 3 (C c / or C c) and summed feature 8 (C 7 and/or C 6). The G+C content of the novel isolate based on genomic DNA was 72.0 mol%. On the basis of phenotypic, genotypic and phylogenetic data, strain SYSU M41301 should be considered to represent a novel species in the genus for which the name sp. nov. is proposed with the type strain SYSU M41301 (=KCTC 72726=CGMCC 1.18613).

Funding
This study was supported by the:
  • guangdong basic and applied basic research foundation (Award 2020A1515011139)
    • Principle Award Recipient: Jia-LingLi
  • postdoctoral research foundation of china (Award 2020M683029)
    • Principle Award Recipient: PandengWang
  • postdoctoral research foundation of china (Award 2018M643294)
    • Principle Award Recipient: Jia-LingLi
  • national natural science foundation of china (Award 31850410475)
    • Principle Award Recipient: Wen-JunLi
  • national natural science foundation of china (Award 91751206)
    • Principle Award Recipient: Wen-JunLi
  • This is an open-access article distributed under the terms of the Creative Commons Attribution License.
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2021-10-08
2021-10-24
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