1887

Abstract

A Gram-stain-negative, aerobic and rod-shaped bacterium, designated as strain B61, was isolated from rhizosphere soil of banana collected from Dongguan, Guangdong Province, PR China. Growth occurred at 15–40 °C, within a pH range of pH 6.0–9.0. Results of 16S rRNA gene sequence similarity and phylogenetic analyses showed that strain B61 was most closely related to ‘’ KACC 21303 (98.9 %) and DSM 2588 (98.8 %). The genome size was 7.6 Mb with a G+C content of 45.2 mol%. The genome-inferred average nucleotide identity values between strain B61 and two closely related strains were 79.2 and 79.3 %, respectively, with corresponding digital DNA–DNA hybridization values of 22.3 and 22.6 %. The major fatty acids of the novel strain were iso-C, C 5 and iso-C 3-OH and the sole respiratory quinone was menaquinone 7 (MK-7). The polar lipids consisted of phosphatidylethanolamine, five unidentified aminolipids, four unidentified glycolipids and six unidentified lipids. The phenotypic and phylogenetic results clearly supported that strain B61 represents a novel species of the genus , for which the name , sp. nov. is proposed, with the type strain B61 (=GDMCC 1.2608=KCTC 82856).

Funding
This study was supported by the:
  • the Science and Technology Project of Guangdong Province dong Province (Award 2019B030316010)
    • Principle Award Recipient: Xian-JiaoZhang
  • Natural Science Foundation of Tianjin Municipal Science and Technology Commission (Award 32000007)
    • Principle Award Recipient: Xian-JiaoZhang
  • the GDAS’ Project of Science and Technology Development (Award 2021GDASYL-20210103020)
    • Principle Award Recipient: Xian-JiaoZhang
  • the Key Realm R&D Program of Guangdong Province (Award 2018B020205001)
    • Principle Award Recipient: HonghuiZhu
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2021-11-30
2022-01-28
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