Hymenobacter agri sp. nov., a novel bacterium isolated from soil

  • Jigon Han
  • Leonid N. Ten
  • Dong Hoon Lee
  • In-Kyu Kang
  • Hee-Young Jung
Original Paper
  • 30 Downloads

Abstract

A bacterial isolate was recovered from a soil sample collected in Jeollabuk-do Province, South Korea, and subjected to polyphasic taxonomic assessment. Cells of the isolate, designated strain S1-2-1-2-1T, were observed to be rod-shaped, pink in color, and Gram-stain negative. The strain was able to grow at temperature range from 10 to 30 °C, with an optimum of 25 °C, and growth occurred at pH 6–8. Comparative 16S rRNA gene sequence analysis showed that strain S1-2-1-2-1T belongs to the genus Hymenobacter, with closely related type strains being Hymenobacter daeguensis 16F3Y-2T (95.8% similarity), Hymenobacter rubidus DG7BT (95.8%), Hymenobacter soli PBT (95.7%), Hymenobacter terrenus MIMtkLc17T (95.6%), Hymenobacter terrae DG7AT (95.3%), and Hymenobacter saemangeumensis GSR0100T (95.2%). The genomic DNA G+C content of strain S1-2-1-2-1T was 63.0 mol%. The main polar lipid of this strain was phosphatidylethanolamine, the predominant respiratory quinone was menaquinone-7, and the major fatty acids were C15:0 iso (27.3%), summed feature 3 (C16:1 ω7c/C16:1 ω6c) (16.5%), C15:0 anteiso (15.3%), and C16:0 (14.7%), supporting the affiliation of this strain with the genus Hymenobacter. The results of this polyphasic analysis allowed for the genotypic and phenotypic differentiation of strain S1-2-1-2-1T from recognized Hymenobacter species. On the basis of its phenotypic properties, genotypic distinctiveness, and chemotaxonomic features, strain S1-2-1-2-1T is considered to represent a novel species of the genus Hymenobacter, for which the name Hymenobacter agri sp. nov. is proposed. The type strain is S1-2-1-2-1T (=KCTC 52739T = JCM 32194T).

Keywords

Hymenobacter Bacteroidetes Soil bacteria 

Notes

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Jigon Han
    • 1
  • Leonid N. Ten
    • 1
  • Dong Hoon Lee
    • 2
  • In-Kyu Kang
    • 3
  • Hee-Young Jung
    • 1
    • 4
  1. 1.College of Agricultural and Life SciencesKyungpook National UniversityDaeguRepublic of Korea
  2. 2.Planning and Coordination DivisionNational Institute of Horticultural and Herbal Science, RDAWanjuRepublic of Korea
  3. 3.Department of Horticultural ScienceKyungpook National UniversityDaeguRepublic of Korea
  4. 4.Institute of Plant MedicineKyungpook National UniversityDaeguRepublic of Korea

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