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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 70, Issue 11

gen. nov., sp. nov., a novel cellulose- and xylan-degrading member of the family isolated from a hot spring Free

Abstract

Two anaerobic bacteria, designated strains SYSU GA16112 and SYSU GA16107, were isolated from a hot spring in Tengchong County, Yunnan Province, south-west PR China. Phylogenetic analyses based on 16S rRNA gene sequences showed that strains SYSU GA16112 and SYSU GA16107 belong to the family . Cells of strains SYSU GA16112 and SYSU GA16107 were Gram-stain-negative, rod-shaped and non-motile. The major fatty acids (>10 %) of strains SYSU GA16112 and SYSU GA16107 were identified as anteiso-C and anteiso-C 3OH. The polar lipid profile of strain SYSU GA16112 was found to consist of phosphatidylethanolamine, two unidentified aminophospholipids, two unidentified phosphoglycolipids, two unidentified aminolipids and one unidentified polar lipid, while that of strain SYSU GA16107 consisted of phosphatidylethanolamine, two unidentified polar lipids, three unidentified aminophospholipids, two unidentified phosphoglycolipids and one unidentified aminolipid. The genomic DNA G+C contents of strains SYSU GA16112 and SYSU GA16107 were determined to be 41.90 and 41.89 %, respectively, and the average nucleotide identity value between them was 99.99 %. Based on their morphological and physiological properties, and results of phylogenetic analyses, strains SYSU GA16112 and SYSU GA16107 are considered to represent a novel species of a novel genus, for which the name gen. nov., sp. nov. (type strain SYSU GA16112=CGMCC 1.5281=KCTC 15753) is proposed.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): hot spring , lignocellulosic biomass and Seramator thermalis gen. nov., sp. nov.
Funding
This study was supported by the:
  • Guangdong Basic and Applied Basic Research Foundation (Award 2019A1515110227)
    • Principle Award Recipient: Lan Liu
  • Fundamental Research Funds for Central Universities of the Central South University (Award 19lgpy204)
    • Principle Award Recipient: Lan Liu
  • Guangzhou Science, Technology and Innovation Commission (Award 201803030030)
    • Principle Award Recipient: Wen-Jun Li
  • China Postdoctoral Science Foundation (Award 2019M653156)
    • Principle Award Recipient: Lan Liu
  • National Natural Science Foundation of China (Award 91951205)
    • Principle Award Recipient: Wen-Jun Li
© 2020 Sun Yat-Sen University, P.R. China
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2020-09-21
2024-04-25
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Seramator thermalis gen. nov., sp. nov., a novel cellulose- and xylan-degrading member of the family Dysgonamonadaceae isolated from a hot spring
Int J Syst Evol Microbiol 70, 5717 (2020); https://doi.org/10.1099/ijsem.0.004469
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