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Pedobacter indicus sp. nov., isolated from deep-sea sediment

  • Xiao-yan He
  • Na Li
  • Xiu-lan Chen
  • Yu-zhong Zhang
  • Xi-ying ZhangEmail author
  • Xiao-yan SongEmail author
Original Paper
First Online:

Abstract

A Gram-stain negative, aerobic, non-flagellated, rod-shaped bacterium, designated strain SM1810T, was isolated from deep-sea sediment collected from the Southwest Indian Ocean. Strain SM1810T grows at 15–40 °C (optimum, 28 °C), at pH 5.0–9.0 (optimum, pH 6.0–7.0) and with 0–8% (w/v) NaCl (optimum, 1.5%). Phylogenetic analysis of 16S rRNA gene sequences revealed that strain SM1810T is affiliated with the genus Pedobacter, sharing high sequence similarity (95.8%) with the type strain of Pedobacter bauzanensis. The major fatty acids of strain SM1810T are iso-C15:0, summed feature 3 (C16:1ω7c and/or C16:1ω6c) and iso-C17:0 3OH. The predominant respiratory quinone is MK-7. The polar lipids are phosphatidylethanolamine, an unidentified aminophospholipid, an unidentified phospholipid and eight unidentified lipids. The genomic DNA G + C content of strain SM1810T was determined to be 40.8 mol%. Based on the phylogenetic, chemotaxonomic and phenotypic data obtained in this study, strain SM1810T is concluded to represent a novel species of the genus Pedobacter, for which the name Pedobacter indicus sp. nov. is proposed. The type strain is SM1810T (KCTC 62798T = CCTCC AB 2018198T).

Keywords

Deep-sea sediment Pedobacter indicus sp. nov. Polyphasic taxonomy 
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Notes

Author contributions

XS and XZ designed the work. XH, NL and XZ performed experiments, collected and analysed data. XH, XS and XZ drafted the manuscript. XZ, XS, XC and YZ interpreted some data and revised the manuscript.

Funding

The work was supported by National Key R&D Program of China (2018YFC0310704 and 2018YFC1406703, awarded to Xiu-lan Chen and Xiao-yan Song, respectively), AoShan Talents Cultivation Program Supported by Qingdao National Laboratory for Marine Science and Technology (2017ASTCP-OS14), the National Natural Science Foundation of China (Grants 31670063, 31570042 and 31870052, awarded to Xi-ying Zhang, Xiao-yan Song and Xiu-lan Chen, respectively), Taishan Scholars Program of Shandong Province (tspd20181203, awarded to Yu-zhong Zhang), the Science and Technology Basic Resources Investigation Program of China (2017FY100804, awarded to Xi-ying Zhang). Persons employed by the funders had no role in the study or in the preparation of the article or decision to publish.

Compliance with ethical standards

Conflict of interest

The authors have declared that no conflict of interest exists.

Ethical approval

This article does not contain any studies with human participants or animals performed by any of the authors.

Supplementary material

10482_2019_1346_MOESM1_ESM.pdf (1 mb)
Supplementary material 1 (PDF 1030 kb)

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.State Key Laboratory of Microbial Technology, Marine Biotechnology Research CenterShandong UniversityQingdaoChina
  2. 2.Laboratory for Marine Biology and BiotechnologyPilot National Laboratory for Marine Science and Technology (Qingdao)QingdaoChina
  3. 3.College of Marine Life Sciences, Institute for Advanced Ocean StudyOcean University of ChinaQingdaoChina

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