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

Volume 75, Issue 7

Characterization of three novel members of genus from in the Qinghai–Tibet Plateau: description of sp. nov., sp. nov. and sp. nov. No Access

Abstract

Six aerobic, Gram-stain-positive, non-motile, rod-shaped bacterial strains (P13, P18, P16, P17, P20 and P15) were isolated from the intestinal contents of the plateau vole () collected from the Qinghai–Tibet Plateau, PR China. Phylogenetic analyses showed that these isolates formed three well-separated lineages in all phylogenetic and phylogenomic trees comprising members of the genus . The average nucleotide identity and digital DNA–DNA hybridization values between the three novel type strains (P13/P16/P20) and other known species in this genus were all below the thresholds of 95–96% and 70%. Analysis of fatty acid profiles showed -C and -C as the major fatty acids for all six strains. All novel type strains had diphosphatidylglycerol, phosphatidylglycerol and unidentified glycolipids 2 as the major polar lipids. The peptidoglycan amino acids of these three type strains consisted of alanine, glutamic acid, glycine and 2,4-diaminobutyric acid. All novel type strains had MK-11 and MK-10 as the predominant respiratory quinone. The DNA G+C contents of strains P13, P16 and P20 were 70.0, 69.0 and 70.0 mol%, respectively. Based on genotypic, phenotypic, phylogenetic and biochemical properties, the six novel strains represent three novel species in the genus , for which the names sp. nov. (type strain P13=GDMCC 1.4677=JCM 37540), sp. nov. (type strain P16=GDMCC 1.4678=JCM 37541) and sp. nov. (type strain P20=GDMCC 1.4681=JCM 37542) are proposed, respectively.

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Keyword(s): Herbiconiux , Neodon fuscus , novel species and Qinghai–Tibet Plateau
Funding
This study was supported by the:
  • Tengfei initiative by the National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases. (Award 2024NITFID503)
    • Principal Award Recipient: JianguoXu
  • Research Units of Discovery of Unknown Bacteria and Function (Award 2018RU010)
    • Principal Award Recipient: JianguoXu
© 2025 The Authors
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2025-07-15
2026-04-20

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Characterization of three novel members of genus Herbiconiux from Neodon fuscus in the Qinghai–Tibet Plateau: description of Herbiconiux liangxiaofengii sp. nov., Herbiconiux wuyangfengii sp. nov. and Herbiconiux liukaitaii sp. nov.
Int J Syst Evol Microbiol 75, 006845 (2025); https://doi.org/10.1099/ijsem.0.006845
/content/journal/ijsem/10.1099/ijsem.0.006845
/content/journal/ijsem/10.1099/ijsem.0.006845
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