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Volume 68, Issue 2

sp. nov., isolated from rhizosphere of Free

Abstract

A Gram-stain-negative, aerobic, non-motile, rod-shaped, catalase-positive and oxidase-positive bacteria (THG-T61), was isolated from rhizosphere of . Growth occurred at 10–37 °C (optimum 25–30 °C), at pH 5.0–9.0 (optimum 7.0) and in the presence of 0–2.0 % NaCl (optimum without NaCl supplement). Based on 16S rRNA gene sequence analysis, the nearest phylogenetic neighbours of strain THG-T61 were identified as KCTC 12630 (97.9 %), DSM 18422 (97.8 %), NBRC 102146 (97.4 %), KCTC 12629 (97.2 %), ‘’ KCTC 12336 (97.1 %) and KCTC 23718 (96.9 %). The isoprenoid quinone was ubiquinone-10 (Q-10). The major fatty acids were C, C 6, summed feature 4 (-C 2-OH and/or Cω7) and summed feature 7 (C 7, C 9 and/or C 12). The polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, sphingoglycolipid, one unidentified lipid, one unidentified phospholipid, one unidentified glycolipid and one unidentified phosphoglycolipid. The polyamine was homospermidine. The DNA G+C content of strain THG-T61 was 65.6 mol%. The DNA–DNA relatedness values between strain THG-T61 and its closest reference strains were less than 49.2 %, which is lower than the threshold value of 70 %. Therefore, strain THG-T61 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is THG-T61 (=KACC 19189=CCTCC AB 2016245).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Hibiscus syriacus , rhizosphere and Sphingomonas rhizophila
© 2018 IUMS
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2018-02-01
2024-04-20
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Sphingomonas rhizophila sp. nov., isolated from rhizosphere of Hibiscus syriacus
Int J Syst Evol Microbiol 68, 681 (2018); https://doi.org/10.1099/ijsem.0.002566
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