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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 67, Issue 7

sp. nov., isolated from the rhizosphere of Mugunghwa () Free

Abstract

A Gram-reaction-negative, aerobic, non-motile, short-rod-shaped bacterium (THG-T2.31) was isolated from the rhizosphere of Mugunghwa (). Growth occurred at 10–35 °C (optimum 28 °C), at pH 5.0–8.0 (optimum pH 7.0) and with 0–4.0 % NaCl (optimum 1.0 %). Based on 16S rRNA gene sequence analysis, the nearest phylogenetic neighbours of strain THG-T2.31 were identified as DSM 11574 (98.4 %), BC74171 (98.3 %), E-396 (98.3 %), B7 (97.3 %) and MBT-A4 (97.0 %); levels of similarity with the type strains of other species of the genus were lower than 97.0 %. The polar lipids were diphosphatidylglycerol, phosphatidylmethylethanolamine, phosphatidylethanolamine, phosphatidylglycerol, phosphatidylcholine, one unidentified aminolipid and two unidentified phospholipids. The major fatty acids were C, C, C 3-OH, and C 7. The quinone was ubiquinone-10 (Q-10). The DNA G+C content of strain THG-T2.31 was 69.1 mol%. DNA–DNA hybridization values between strain THG-T2.31 and DSM 11574, BC74171, E-396, B7 and MBT-A4 were 38.9 % (34.9 %, reciprocal analysis), 29.1 % (23.5 %), 28.0 % (19.7 %), 18.9 % (9.3) and 13.1 % (6.2 %). On the basis of the phylogenetic analysis, chemotaxonomic data, physiological characteristics and DNA–DNA hybridization data, strain THG-T2.31 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is THG-T2.31 (=KACC 18933=CCTCC AB 2016182).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Mugunghwa , Paracoccus hibiscisoli and rhizosphere
© 2017 IUMS
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2017-07-01
2023-10-03
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Paracoccus hibiscisoli sp. nov., isolated from the rhizosphere of Mugunghwa (Hibiscus syriacus)
Int J Syst Evol Microbiol 67, 2452 (2017); https://doi.org/10.1099/ijsem.0.001990
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