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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo International Journal of Systematic and Evolutionary Microbiology

Volume 75, Issue 1

sp. nov., isolated from the shore soil of saline lake in Tibet of China Open Access

Abstract

Five aerobic, Gram-stain-negative bacterial strains, designated as C3-2-a3, B3-2-R+30, C3-2-a4, C3-2-M3 and C3-2-M8, were isolated from the coastal soil of LungmuCo Lake in the Tibet Autonomous Region, PR China. Phylogenetic analyses based on 16S rRNA genes and genomes indicated that these isolates belonged to the genus and showed a high similarity to LNNU 24178 (99.01%), RD2P54 (98.80%) and SJ-92 (97.67%). The average nucleotide identity (ANI) and digital DNA–DNA hybridization (dDDH) values between strain C3-2-a3 and related reference strains LNNU 24178, RD2P54 and SJ-92 were 91.89, 83.11 and 83.86% and 46.90, 26.90 and 28.20%, respectively. All values were below the thresholds for delineating species, supporting their classification as novel species of the genus . The genomic DNA G+C content of strains C3-2-a3 was 68.39%. The major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and two unidentified phospholipids. The predominant respiratory quinone was ubiquinone-8 (Q-8), aligning with the characteristics of members of the genus . The major fatty acids (>10.0%) of strain C3-2-a3 were identified as iso-C, iso-C, iso-C and iso-C 9. Based on the results of phenotypic, physiological, chemotaxonomic and genotypic characterizations, we propose that the isolates represent a novel species of genus , for which the name p. nov is proposed. The type strain is C3-2-a3 (=CGMCC 1.14507=KCTC 8642).

  • Received:
  • Accepted:
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Keyword(s): Luteimonas salinilitorissp. nov. , saline lake , soil and Tibet
Funding
This study was supported by the:
  • the Science and Technology Project of Xizang Autonomous Region, China (Award XZ2025)
    • Principal Award Recipient: LiAi-Hua
  • the Strategic Biological Resources Capacity Building Project of Chinese Academy of Sciences (Award KFJ-BRP-017-73)
    • Principal Award Recipient: LiAi-Hua
  • the Key Research and Development Project of Xizang Autonomous Region (Award XZ202401ZY0061)
    • Principal Award Recipient: LiAi-Hua
  • the National Natural Science Funds of China (Award 31970004)
    • Principal Award Recipient: LiAi-Hua
© 2025 The Authors
  • This is an open-access article distributed under the terms of the Creative Commons Attribution License. This article was made open access via a Publish and Read agreement between the Microbiology Society and the corresponding author’s institution.
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2025-01-06
2025-11-08

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Luteimonas salinilitoris sp. nov., isolated from the shore soil of saline lake in Tibet of China
Int J Syst Evol Microbiol 75, 006630 (2025); https://doi.org/10.1099/ijsem.0.006630
/content/journal/ijsem/10.1099/ijsem.0.006630
/content/journal/ijsem/10.1099/ijsem.0.006630
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