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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 72, Issue 12

sp. nov., isolated from intertidal seawater in Taizhou No Access

Abstract

A Gram-stain-negative, aerobic, chemoheterotrophic and rod-shaped strain, designated as C5, was isolated from intertidal surface seawater in Taizhou, Zhejiang Province, PR China and characterized using a polyphasic taxonomic approach. Strain C5 could produce carotenoids and bacteriochlorophyll . Growth was observed at 20–45 °C, at pH 6.0–9.0 and with 0–8.0 % (w/v) NaCl. The 16S rRNA gene sequence identity analysis revealed that strain C5 was the most closely related to CGMCC 1.7715 (98.8%) and DSM 8509 (98.7%). The phylogenetic reconstruction based on core genes demonstrated that strain C5 was clustered into the members of the genus . The average nucleotide identity and digital DNA–DNA hybridization values between strain C5 and type strains were lower than 76 and 25 %, respectively. The predominant and minor respiratory quinones were identified as ubiquinone-10 and ubiquinone-9. The major fatty acids were summed feature 8 (C 7 and/or C 6) and iso-C. Polar lipids included phosphatidylethanolamine, phosphatidylglycerol, a glycosphingolipid and an unidentified aminolipid. Based on the genetic, chemotaxonomic and phenotypic data, strain C5 is concluded to represent a novel species in the genus , for which the name sp. nov. is proposed. The type strain is C5 (=MCCC 1K05108=KCTC 92307).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): aerobic anoxygenic phototrophic bacteria , comparative genomics , Erythrobacter aurantius and polyphasic taxonomy
Funding
This study was supported by the:
  • Scientific Research Fund of the Second Institute of Oceanography, MNR (Award JB2003)
    • Principle Award Recipient: XuLin
  • National Science and Technology Fundamental Resources Investigation Program of China (Award 2021FY100900)
    • Principle Award Recipient: XuLin
  • China Postdoctoral Science Foundation (Award 2019M652042)
    • Principle Award Recipient: XuLin
  • Natural Science Foundation of China (Award 32000001)
    • Principle Award Recipient: XuLin
© 2022 The Authors
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2022-12-13
2024-05-20
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Erythrobacter aurantius sp. nov., isolated from intertidal seawater in Taizhou
Int J Syst Evol Microbiol 72, 005616 (2023); https://doi.org/10.1099/ijsem.0.005616
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