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Niastella hibisci sp. nov., isolated from rhizosphere soil of mugunghwa, the Korean national flower

  • Zheng Fei Yan
  • , Pei Lin
  • , Yu Shuai Wang
  • , Wei Gao
  • , Chang Tian Li
  • , Moo Chang Kook
  • , Tae Hoo Yi

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

A Gram-stain-negative, aerobic, non-motile, long rods with no flagellum strain, designated THGYS3.2.1T, was isolated from rhizosphere soil of mugunghwa, collected from Kyung Hee University, Yongin, South Korea. Growth occurred at 10-40°C (optimum 28°C), at pH 6.0-8.0 (optimum pH 7.0) and with 0-1.0% NaCl (optimum 1.0%). The predominant menaquinone was menaquinone-7 (MK-7). The major cellular fatty acids were anteiso-C12: 0, iso-C14: 0, iso-C15: 0, anteiso-C15: 0, iso-C15: 1 G, anteiso-C15: 1 A, C15: 0 2-OH, C16: 0, iso-C16: 0, C16: 0 3-OH, iso- C16: 0 3-OH, iso-C16: 1 G, C17: 0 2-OH, iso-C17: 0 3-OH, C17: 1w6c, C18: 3w6c (6, 9, 12), C18: 0, summed feature 3 (C16: 1w7c and/or iso-C15: 0 2-OH). The major polar lipids were phosphatidylmethylethanolamine), phosphatidylethanolamine, five unidentified aminolipids and three unidentified lipids. The DNA G+C content of strain THG-YS3.2.1T was 45.3 mol%. Based on 16S rRNA gene sequence analysis, the nearest phylogenetic neighbours of strain THGYS3.2.1T were Niastella populi KCTC 22560T (98.7% 16S rRNA gene sequence similarity), Niastella gongjuensis KACC 17399T (96.9%), Niastella vici KCTC 42474T (96.2%), Niastella yeongjuensis KACC 11466T (95.5%) and Niastella koreensis KACC 11465T (95.1%). DNA– DNA hybridization values between strain THG-YS3.2.1T and N. populi KCTC 22560T, N. gongjuensis KACC 17399T, N. vici KCTC 42474T, N. yeongjuensis KACC 11466T and N. koreensis KACC 11465Twere 55.8±1.0, 39.5±0.5, 35.2±0.1, 17.6±0.3 and 12.5±1.2%, respectively. On the basis of the phylogenetic analysis, chemotaxonomic data, physiological characteristics and DNA-DNA hybridization data, strain THG-YS3.2.1T represents a novel species of the genus Niastella, for which the name Niastella hibisci sp. nov. is proposed. The type strain is THG-YS3.2.1T (=KCTC 52084T=CCTCC AB 2015356T).

Original languageEnglish
Pages (from-to)5218-5222
Number of pages5
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume66
Issue number12
DOIs
Publication statusPublished - Dec 2016

Bibliographical note

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© 2016 IUMS.

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