Antonie van Leeuwenhoek

, Volume 112, Issue 8, pp 1213–1219 | Cite as

Pseudoxanthomonas composti sp. nov., isolated from compost

  • Jun Lin
  • Guiqin Yang
  • Jia Tang
  • Zhen Li
  • Zhen YuEmail author
  • Li ZhuangEmail author
Original Paper


A Gram-staining negative bacterium, designated as GSS15T, was isolated from compost in Guangzhou, China. Cells of strain GSS15T were rod-shaped and non-motile. The isolate was able to grow at 15–42 °C (optimum 30 °C) and pH 6.0–11.0 (optimum pH 8.0), and tolerate up to 6.0% NaCl (w/v). When the 16S rRNA gene sequence of the isolate was compared with those of other bacteria, the highest similarity was observed with Pseudoxanthomonas helianthi roo10T (96.9%). Furthermore, strain GSS15T showed low ANI (75.7–79.5%) and DDH (24.2–18.3%) values to the closely related species. Q-8 was the predominant respiratory quinone. The major cellular fatty acids ( > 5%) were iso-C15:0 (18.7%), C16:1ω7c (18.6%), anteiso-C15:0 (13.2%), C16:0 (9.8%), and iso-C16:0 (8.8%). The polar lipids consisted of phosphatidylethanolamine, phosphatidylglycerol, and diphosphatidylglycerol. Based on its phenotypic, chemotaxonomic and genotypic data, strain GSS15T (= KCTC 52974T = MCCC 1K03334T) is designated as the type strain of a novel species of the genus Pseudoxanthomonas, for which the name Pseudoxanthomonas composti sp. nov. is proposed.


Pseudoxanthomonas composti Novel species Polyphasic taxonomy 



Financial support was provided by the GDAS' Project of Science and Technology Development (No. 2019GDASYL-0501005), the Science and Technology Planning Project of Guangdong Province (Nos. 2017A030303057, 2017A070702015), and the Scientific Research Project of Education Department of Hunan Province (No. 13C019).

Author contributions

ZY and LZ designed research and project outline and drafted the manuscript. JL, GY performed isolation, deposition and identification. JT and ZL performed genome analysis. All authors read and approved the final manuscript.

Conflict of interest

The authors declare that they have no direct or indirect conflict of interest.

Supplementary material

10482_2019_1253_MOESM1_ESM.pdf (422 kb)
Supplementary file1 (PDF 422 kb)


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Guangdong Key Laboratory of Environmental Pollution and Health, School of EnvironmentJinan UniversityGuangzhouChina
  2. 2.Guangdong Key Laboratory of Integrated Agro-Environmental Pollution Control and ManagementGuangdong Institute of Eco-Environmental Science and TechnologyGuangzhouChina
  3. 3.College of Packaging and Materials EngineeringHunan University of TechnologyZhuzhouChina

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