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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 73, Issue 9

sp. nov., a casein-hydrolysing bacterium from the Jiaozi Mountain in Yunnan, PR China No Access

Abstract

Strain KC 927 was isolated during an investigation of the soil bacteria diversity on Jiaozi Mountain, central Yunnan, Southwest China. The strain was Gram-stain-negative, rod-shaped, non-motile, oxidase-negative, catalase-positive and aerobic. Results of 16S rRNA gene alignment and phylogenetic analysis indicated that strain KC 927 was a member of the genus and closely related to GCR10 (98.4%), DSM 21068 (98.3 %) and ‘’ CCTCC AB 2015118 (97.9 %). With a genome size of 4 348 708 bp, strain KC 927 had 33.5 mol% DNA GC content and contained 4012 protein-coding genes and 77 RNA genes. The average nucleotide identity and digital DNA–DNA hybridization values between strain KC 927 and GCR10, DSM 21068 and ‘’ CCTCC AB 2015118 were 80.1, 79.6 and 90.7 %, and 25.5, 23.6 and 42.0 %, respectively. The main polar lipid of strain KC 927 was phosphatidylethanolamine and the respiratory quinone was MK-6. The major fatty acids (≥10 %) were iso-C, iso-C 9 and iso-C 3-OH. Evidence from phenotypic, phylogenetic and chemotaxonomic analyses support that strain KC 927 represents a new species of the genus , for which the name sp. nov. is proposed. The type strain is KC 927 (=CGMCC 1.18760=JCM 35707).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): casein hydrolysing , obligate aerobe and yellow colonies
Funding
This study was supported by the:
  • Special Project of Science-Technology Talent and Platform in Yunnan Province (Award 202105AC160042)
    • Principle Award Recipient: De-JunKong
  • Cultivating Plan Program for the Leader in Science and Technology of Yunnan Province (Award 202002AA100007)
    • Principle Award Recipient: Shu-KunTang
  • The Yunnan Ten Thousand Talents Program for Young Top-Notch Talents (Award YNWR-QNBJ-2018-011)
    • Principle Award Recipient: Yan-RuCao
  • Applied Basic Research Fund of Qingdao (Award 202301AT070051)
    • Principle Award Recipient: Yan-RuCao
  • Joint Special Project of Universities in Yunnan Province (Award 202001BA070001-144)
    • Principle Award Recipient: XiuChen
  • Joint Special Project of Universities in Yunnan Province (Award 202001BA070001-008)
    • Principle Award Recipient: De-JunKong
  • Joint Special Project of Universities in Yunnan Province (Award 2018FH001-003)
    • Principle Award Recipient: Yan-RuCao
© 2023 The Authors
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2023-09-20
2024-05-08
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Chryseobacterium luquanense sp. nov., a casein-hydrolysing bacterium from the Jiaozi Mountain in Yunnan, PR China
Int J Syst Evol Microbiol 73, 006031 (2023); https://doi.org/10.1099/ijsem.0.006031
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