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

Volume 75, Issue 6

sp. nov., a bacterium isolated from long-term continuous cropping cotton fields No Access

Abstract

A novel bacterium, designated 1RM2, was isolated from Xinjiang Province, north-west PR China. This strain could grow under conditions of 20–45 °C, pH 5.0–10.0 and 0–10% (w/v) NaCl. The species with the highest similarity of 16S rRNA gene sequences to strain 1RM2 were strain Chryseobacterium bernardetii NCTC 13530 (97.1%) and DSM 15235 (96.9%). The draft genome sequence G+C content of strain 1RM2 was 39.5 mol%. The average nucleotide identity and DNA–DNA hybridization values between strain 1RM2 and the two closest neighbours were 78.6%, 77.6% and 21.8%, 21.2%, respectively. The main fatty acids of strain 1RM2 were iso-C, iso-C 3-OH, summed feature 3 (C 6 and/or C 7) and summed feature 9 (C 10-methyl and/or iso-C 9). The main isoprenoid quinone was menaquinone-6 and polar lipids were phosphatidylethanolamine, unidentified amino phospholipids and unidentified lipids. Based on phenotypic characteristics and genotype analysis, strain 1RM2 is a new species of the genus and is proposed to be named sp. nov. (=GDMCC 1.4437=KCTC 102275).

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Keyword(s): 16S rRNA gene , Chryseobacterium , genome and polyphasic taxonomy
Funding
This study was supported by the:
  • Graduate Student Innovation Fund of Xinjiang Normal University (Award XSY202401039)
    • Principal Award Recipient: LiliChai
  • National Natural Science Foundation of China (Award 32160002)
    • Principal Award Recipient: WeiZhang
© 2025 The Authors
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2025-06-20
2026-03-13

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Chryseobacterium gossypii sp. nov., a bacterium isolated from long-term continuous cropping cotton fields
Int J Syst Evol Microbiol 75, 006817 (2025); https://doi.org/10.1099/ijsem.0.006817
/content/journal/ijsem/10.1099/ijsem.0.006817
/content/journal/ijsem/10.1099/ijsem.0.006817
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