1887

Abstract

A Gram-reaction-positive, facultatively anaerobic, motile, endospore-forming, rod-shaped strain, designated SgZ-7, was isolated from a windrow compost pile and was characterized by means of a polyphasic approach. Growth occurred with 0–3 % (w/v) NaCl (optimum 1 %), at pH 6.0–10.0 (optimum pH 7.2) and at 40–60 °C (optimum 50 °C). The main respiratory quinone was MK-7. The predominant polar lipids were phosphatidylethanolamine, phosphatidylglycerol and diphosphatidylglycerol. The major fatty acids were iso-C and anteiso-C. The DNA G+C content was 46.6 mol%. The phylogenetic analysis based on 16S rRNA gene sequence comparisons revealed that strain SgZ-7 should be assigned to the genus and was related most closely to LMG 21831 (sequence similarity 97.2 %). The result of the DNA–DNA hybridization experiment revealed a low relatedness (27.2 %) between the isolate and LMG 21831. The results of phenotypic, chemotaxonomic and genotypic analyses clearly indicated that strain SgZ-7 represents a novel species, for which the name sp. nov. is proposed. The type strain is SgZ-7 ( = CCTCC AB 2012030 = KACC 16700).

Funding
This study was supported by the:
  • Strategic Cooperation Research of Chinese Academy of Sciences and Guangdong Province (Award 2011A09020038 and 2011B09030076)
  • National Key Technology R&D Program of China (Award 2012BAD14B16)
  • Science and Technology Project of Guangdong Province (Award 2011B030900003)
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2013-08-01
2024-03-28
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