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

Volume 74, Issue 11

sp. nov., a plant growth-promoting bacterium, isolated from leaves in China No Access

Abstract

A Gram-stain-negative, facultatively aerobic, rod-shaped and motile bacterium, designated as CCTCC AB 2023082, was isolated from leaves of in China. Optimal growth occurred at 4–45 ℃ and pH 4.0–10.0 and in the presence of 0–7% (w/v) NaCl. The major fatty acids of the strain CCTCC AB 2023082 were C16 : 0, sum of C16 : 1 ω7c/C16 : 1 ω6c, C17 : 0 cyclo and C18 : 1 ω7c. The polar lipids included unidentified lipids, phospholipids, phosphatidylethanolamine, phosphatidylglycerol and amino phospholipid. The DNA G+C content of strain CCTCC AB 2023082 was 54.2 mol%. 16S rRNA gene sequence analysis indicated that strain CCTCC AB 2023082 formed a distinct lineage within the genus and exhibited the highest similarity to , with a 97.9% 16S rRNA gene sequence similarity. Moreover, the preliminary analysis of the organism’s genome suggested its potential as a biostimulant for augmenting plant growth. According to its genotypic, phenotypic, phylogenetic and chemotaxonomic characteristics, strain CCTCC AB 2023082 should be categorized as a novel species in the genus . The novel species was named sp. nov., and its type strain is CCTCC AB 2023082 (=JCM 36393).

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  • Accepted:
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Keyword(s): Calanthe triplicata , Kosakonia calanthes sp. nov. , molecular identification , new taxa and polyphasic taxonomy
Funding
This study was supported by the:
  • Doctoral Research Start-up Fund of Nanyang Institute of Technology (Award NGBJ-2022-24)
    • Principle Award Recipient: PengyuWu
  • Key Technologies R&D program of Henan Province (Award 222102110261)
    • Principle Award Recipient: JianchengLuo
  • Open Project of Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology (Award HIMFT20220103)
    • Principle Award Recipient: YutianZhang
  • Open Project of Henan Key Laboratory of Industrial Microbial Resources and Fermentation Technology (Award HIMFT20210103)
    • Principle Award Recipient: PengyuWu
  • Key Scientific Research Projects in Colleges and Universities of Henan Province (Award 24A180018)
    • Principle Award Recipient: PengyuWu
© 2024 The Authors
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2024-11-28
2025-07-19
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Kosakonia calanthes sp. nov., a plant growth-promoting bacterium, isolated from Calanthe triplicata leaves in China
Int J Syst Evol Microbiol 74, 006594 (2024); https://doi.org/10.1099/ijsem.0.006594
/content/journal/ijsem/10.1099/ijsem.0.006594
/content/journal/ijsem/10.1099/ijsem.0.006594
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