1887

Abstract

A Gram-stain-negative, aerobic, non-spore-forming, nonmotile, rod-shaped, and yellow-pigmented bacterium, designated strain JXAS1, was isolated from a freshwater sample collected from Poyang Lake in China. Phylogenetic analysis based on 16S rRNA gene sequence revealed that the isolate belonged to the genus , being closest to DSM 6368 (98.61 %). The genome size of strain JXAS1 was 4.66 Mb with DNA G+C content 35.7 mol%. The average nucleotide identity and DNA–DNA hybridization values between strain JXAS1 and its closest relatives were below the threshold values of 95 and 70 %, respectively. The strain contained menaquinone 6 (MK-6) as the predominant menaquinone and the major polar lipids were phosphatidylethanolamine, one unidentified glycolipid, and one unidentified polar lipid. The major fatty acids (>5 %) were iso-C, summed feature 3 (C 7 and/or C 6), C, iso-C 3OH, iso-C 3OH, and summed feature 9 (iso-C 9 and/or 10-methyl C). Based on phylogenetic, genotypic, and phenotypic evidence, the isolated strain represents a new species in the genus , and the name is proposed. The type strain is JXAS1 (=GDMCC 1.1378=KCTC 62719).

Funding
This study was supported by the:
  • Key Research and Development Program of Jiangxi Province (Award 20212BCD42014)
    • Principle Award Recipient: LinYuan
  • Key Research and Development Program of Jiangxi Province (Award 20223BBF61015)
    • Principle Award Recipient: TaoDeng
  • Pilot Demonstration Project of Ceilings in Funding for Provincial Science and Technology Program of Jiangxi Academy of Sciences (Award 2023YSBG22008)
    • Principle Award Recipient: YaLi
  • National Natural Science Foundation of China (Award 41867065)
    • Principle Award Recipient: YaLi
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2024-06-12
2024-07-15
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