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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 70, Issue 5

sp. nov., isolated from Arctic tundra soil Free

Abstract

A Gram-stain-negative, rod-shaped, green-pigmented, aerobic and motile bacterium, strain R3-44, was isolated from Arctic tundra soil. Stain R3-44 clustered closely with members of the genus , which belongs to the family , and showed the highest 16S rRNA sequence similarity to AR2 (96.10%). Strain R3-44 grew optimally at pH 7.0, 28 °C and in the presence of 0–0.5 % (w/v) NaCl. The predominant respiratory isoprenoid quinone of strain R3-44 was identified as ubiquinone Q-8. The polar lipids consisted of phosphatidylglycerol, phosphatidylethanolamine, unidentified aminolipid and unidentified phospholipid. The main fatty acids were summed feature 3 (comprising C ω7 and/or C ω6, 40.6 %) and C (29.3 %). The DNA G+C content of strain R3-44 was 60.8 mol%. On the basis of the evidence presented in this study, strain R3-44 represents a novel species of the genus , for which the name sp. nov. is proposed, with the type strain R3-44 (=CCTCC AB 2010422=KCTC 72602).

  • Received:
  • Accepted:
  • Revised:
  • Published Online:
Keyword(s): Chitinimonas arctica , phylogenetic analysis and taxonomy
Funding
This study was supported by the:
  • Chinese Polar Scientific Strategy Research Fund (Award IC201706)
    • Principle Award Recipient: Fang Peng
  • National Natural Science Foundation of China (Award 31270538)
    • Principle Award Recipient: Fang Peng
  • the R&D Infrastructure and Facility Development Program of the Ministry of Science and Technology of the People’s Republic of China (Award NIMR-2019-8)
    • Principle Award Recipient: Fang Peng
  • National Key R&D Program of China (Award 2018YFC1406701)
    • Principle Award Recipient: Fang Peng
© 2020 The Authors
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2020-05-04
2023-12-04
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Chitinimonas arctica sp. nov., isolated from Arctic tundra soil
Int J Syst Evol Microbiol 70, 3455 (2020); https://doi.org/10.1099/ijsem.0.004194
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