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

Volume 75, Issue 3

sp. nov., sp. nov., sp. nov., sp. nov., sp. nov., sp. nov., sp. nov. and sp. nov., isolated from streams in China No Access

Abstract

Eight Gram-stain-negative, aerobic and motile strains (BYS78W, BYS87W, BYS96W, BYS180W, DC23W, DXS20W, LKC17W and LYH14W) were isolated from streams in China and showed the highest 16S rRNA gene sequence similarities with the species of genus . The calculated average nucleotide identity, digital DNA–DNA hybridization and average amino acid sequence identity values among these eight strains and other closely related strains were less than 89.8, 39.1 and 89.4 %, respectively, indicating that each of the eight strains should represent an independent novel species. The further reconstructed phylogenomic tree showed that seven isolated strains clustered closely with the strains. Only strain BYS180W clustered with the strains. The phylogenomic tree also showed that the taxonomic status of the recently published species (, , ‘’, ‘’, and ) was questionable. ‘’ and ‘’ should be reassigned to the genus as P7 (=KACC 22504=TBRC 15694) and P8 (=KACC 22505=TBRC 15695), respectively. , , and should be reassigned to the genus as , , and , respectively. Combining the above descriptions, strains BYS78W, BYS87W, BYS96W, DC23W, DXS20W, LKC17W and LYH14W should represent seven novel species of the genus , for which the names sp. nov. (type strain BYS87W=GDMCC 1.4090=KCTC 8151), sp. nov. (type strain BYS78W=GDMCC 1.4089=KCTC 8152), sp. nov. (type strain DC23W=GDMCC 1.4087=KCTC 8148), sp. nov. (type strain DXS20W=GDMCC 1.4088=KCTC 8147), sp. nov. (type strain LKC17W=GDMCC 1.4086=KCTC 8146), sp. nov. (type strain BYS96W=GDMCC 1.4091=KCTC 8150) and sp. nov. (type strain LYH14W=GDMCC 1.4276=KCTC 8301) are proposed, respectively. Strain BYS180W should represent a novel species of the genus , for which the name sp. nov. (type strain BYS180W=GDMCC 1.4098=KCTC 8149) is proposed.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Pelomonas and streams
Funding
This study was supported by the:
  • Yunnan Provincial Ministry of Science and Technology (Award 202203AC100002-02, 202305AM070002 and 202301AT070100)
    • Principal Award Recipient: HuibinLu
  • the grants of Science and Technology Projects of Southwest Joint Graduate School of Yunnan Province (Award 202302AP370001)
    • Principal Award Recipient: NotApplicable
© 2025 The Authors
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2025-03-10
2026-02-14

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/content/journal/ijsem/10.1099/ijsem.0.006707
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Pelomonas baiyunensis sp. nov., Pelomonas candidula sp. nov., Pelomonas dachongensis sp. nov., Pelomonas lactea sp. nov., Pelomonas margarita sp. nov., Pelomonas nitida sp. nov., Pelomonas parva sp. nov. and Roseateles rivi sp. nov., isolated from streams in China
Int J Syst Evol Microbiol 75, 006707 (2025); https://doi.org/10.1099/ijsem.0.006707
/content/journal/ijsem/10.1099/ijsem.0.006707
/content/journal/ijsem/10.1099/ijsem.0.006707
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