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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., a bacterium isolated from the roots of the aquatic plant No Access

Abstract

A polyphasic taxonomic study was carried out on strain T9W2-O, isolated from the roots of the aquatic plant . This isolate is rod-shaped, forms yellow/orange pigmented colonies and produces the pigment flexirubin. Nearly complete 16S rRNA gene sequence homology related the strain to , with 98.8 and 98.5% similarity to and , respectively. Average nucleotide identity and digital DNA–DNA hybridization with the closest phylogenetic neighbour of T9W2-O showed differences at the species level, further confirmed by differences in several physiological characteristics. The main fatty acids are iso C, iso C, iso C 3-OH and summed feature 4 (iso-C 2-OH and/or C). DNA G+C content is 37.2 mol%. MK-6 is the only menaquinone found, and phosphatidylethanolamine is the dominant polar lipid. Based on the results obtained, this bacterium is assigned to the genus as a new species with the name sp. nov., type strain T9W2-O (=NRRL B-65715 =DSM 118061).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Chryseobacterium , Chryseobacterium salviniae , microbe–plant interactions , plant growth-promoting genes , root-associated bacteria , Salvinia and Salvinia minima
Funding
This study was supported by the:
  • Department of Biology, Slippery Rock University
    • Principal Award Recipient: MaltmanChris
© 2025 The Authors
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2025-12-13

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Chryseobacterium salviniae sp. nov., a bacterium isolated from the roots of the aquatic plant Salvinia minima
Int J Syst Evol Microbiol 75, 006644 (2025); https://doi.org/10.1099/ijsem.0.006644
/content/journal/ijsem/10.1099/ijsem.0.006644
/content/journal/ijsem/10.1099/ijsem.0.006644
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