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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 71, Issue 7

sp. nov. and sp. nov., isolated from faeces of Tibetan antelope () and leaves of dandelion (), respectively, on the Qinghai–Tibet Plateau No Access

Abstract

In the present study, four bacterial strains, two (S-713 and 406) isolated from faecal samples of Tibetan antelopes and the other two (S-531 and 1598) from leaves of dandelion collected on the Qinghai–Tibet Plateau of PR China, were analysed using a polyphasic approach. All four isolates were aerobic, rod-shaped, non-motile, oxidase-negative, Gram-stain-positive and catalase-positive. According to four phylogenetic trees, strain pairs S-713/406 and S-531/1598 form two independent branches belonging to the genus , and are closest to , , , , and . Although sharing MK8-(H) as their major isoprenoid quinone, strains S-713 and S-531 contained C 9 (24.64 and 16.34 %) and iso-C (9.74 and 29.38 %), respectively, as their main fatty acids, with remarkable differences in their biochemical profiles but only slight ones in their optimal growth conditions. The chromosomes of strains S-713 and S-531 were 4 207 844 bp (G+C content, 73.0 mol%) and 4 809 817 bp (G+C content, 72.5 mol%), respectively. Collectively, the two strain pairs represent two separate novel species of the genus , for which the names sp. nov. and sp. nov. are proposed, with S-713 (=JCM 33698=CGMCC 4.7660) and S-531 (=JCM 33468=CGMCC 4.7659) as the respective type strains.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Nocardioides , polyphasic taxonomy method and Qinghai–Tibet Plateau
Funding
This study was supported by the:
  • Research Units of Discovery of Unknown Bacteria and Function (Award 2018RU010)
    • Principle Award Recipient: JianguoXu
  • National Key R&D Program of China (Award 2019YFC1200505)
    • Principle Award Recipient: JingYang
  • National Key R&D Program of China (Award 2019YFC1200500)
    • Principle Award Recipient: JingYang
  • National Science and Technology Major Project of China (Award 2017ZX10303405-005-002)
    • Principle Award Recipient: HanZheng
  • National Science and Technology Major Project of China (Award 2017ZX10303405-002)
    • Principle Award Recipient: HanZheng
  • National Science and Technology Major Project of China (Award 2018ZX10712001-018)
    • Principle Award Recipient: ShanLu
© 2021 The Authors
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2021-07-27
2024-04-19
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Nocardioides dongkuii sp. nov. and Nocardioides lijunqiniae sp. nov., isolated from faeces of Tibetan antelope (Pantholops hodgsonii) and leaves of dandelion (Taraxacum officinale), respectively, on the Qinghai–Tibet Plateau
Int J Syst Evol Microbiol 71, 004920 (2021); https://doi.org/10.1099/ijsem.0.004920
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