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Volume 70, Issue 4

sp. nov., isolated from Pearl River Estuary Free

Abstract

A novel bacterium, designated strain SYSU M00256-3, was isolated from a water sample collected from Pearl River Estuary at Guangzhou, PR China. Its taxonomic position was determined by using a polyphasic approach. Cells of the strain were Gram-staining-negative, motile, aerobic and rod-shaped with peritrichous flagella. It could grow at 15–45 °C, pH 4.0–10.0 and in the presence of 0–7.5 % (w/v) NaCl. The chemotaxonomic features of strain SYSU M00256-3 included ubiquinone-10 (Q-10) as the sole respiratory quinone; phosphatidylcholine, phosphatidylmethylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, phosphatidylethanolamine and an unidentified phospholipid as major polar lipids; summed feature 8 (C ω and C 6) as the predominant fatty acids (>70 %). On the basis of 16S rRNA gene sequence analysis, strain SYSU M00256-3 was most closely related to the type strains of CGMCC 1.12584 (97.7 %) and CGMCC 1.12426 (97.2 %), KCTC 52373 (96.7 %), CGMCC 1.12583 (96.4 %). The average nucleotide identity (ANI) values between SYSU M00256-3 and CGMCC 1.12584, CGMCC 1.12426, CGMCC 1.12583 and KCTC 52373 were 78.0, 78.2, 77.7 and 78.8, and the dDDH value is 20.0, 20.8, 20.1 and 20.6 correspondingly. Based on the analyses of the phenotypic, genotypic and phylogenetic characteristics, strain SYSU M00256-3 is characterized to represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is SYSU M00256-3 (=NBRC 112946=CGMCC 1.16156).

  • Received:
  • Accepted:
  • Revised:
  • Published Online:
Keyword(s): Pearl River Estuary , Polyphasic taxonomy and Roseibium aestuarii sp. nov
Funding
This study was supported by the:
  • Guangdong Province Science and Technology Innovation Strategy Special Fund (Award 2018B020206001)
    • Principle Award Recipient: Wen-Jun Li
  • Natural Science Foundation of Guangdong Province (Award 2016A030312003)
    • Principle Award Recipient: Wen-Jun Li
  • National Natural Science Foundation of China (Award 31500004)
    • Principle Award Recipient: Xiaozhen Mou
© 2020 Sun Yat-Sen University, P.R. China
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2020-03-25
2024-04-27
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Roseibium aestuarii sp. nov., isolated from Pearl River Estuary
Int J Syst Evol Microbiol 70, 2896 (2020); https://doi.org/10.1099/ijsem.0.004116
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