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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo International Journal of Systematic and Evolutionary Microbiology

Volume 73, Issue 1

sp. nov., a yellow-pigmented bacterium isolated from lake water No Access

Abstract

A Gram-negative, non-motile, facultatively anaerobic, rod-shaped bacterium, designated strain RS1-74, was isolated from the surface water of Sayram Lake, Xinjiang Uygur Autonomous Region, China. The strain was able to grow optimally at 30 °C and pH 7.0–7.5, and in the presence of 0–0.5 % (v/w) NaCl. Catalase and oxidase activities were present. HS was produced. Chemotaxonomic analysis showed Q-10 was the sole respiratory quinone. The polar lipids were composed of phosphatidylethanolamine, diphosphatidylglycerol, two glycolipids, phosphatidylglycerol, sphingoglycolipid and two unidentified lipids. Summed feature 3 (C 7 and/or C 6) and summed feature 8 (C 7 and/or C 6) were the predominant fatty acids. Phylogenetic analysis based on 16S rRNA gene sequence showed that strain RS1-74 was closely related to ‘’ JCM 30 734 (98.65 %), ‘’ RB16-17 (98.42 %) and SZY PN-1 (97.09%). The genomic DNA G+C content was 66.45 mol%. The average nucleotide identity and DNA–DNA hybridization values among the genomes of strain RS1-74 and ‘’ JCM 30734 and SZY PN-1 were 78.2 and 77.22 %, and 22.2 and 20.40 %, respectively. Based on the physiological, biochemical, phylogenetic and genomic data, strain RS1-74 represents a novel species within the genus , for which the name sp. nov. is proposed, with type strain RS1-74 (=KCTC 82674=MCCC 1K06282).

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Keyword(s): Alphaproteobacteria , phylogenetic analysis , Sandaracinobacteroides , Sayram lake and whole genome sequencing
Funding
This study was supported by the:
  • Science and Technology Basic Resources Investigation Program of China (Award 2017FY100300)
    • Principle Award Recipient: MinWu
  • Key Technology Research and Development Program of Shandong (Award 2022C03010)
    • Principle Award Recipient: MinWu
© 2023 The Authors
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/content/journal/ijsem/10.1099/ijsem.0.005692
2023-01-27
2025-01-16
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Sandaracinobacteroides sayramensis sp. nov., a yellow-pigmented bacterium isolated from lake water
Int J Syst Evol Microbiol 73, 005692 (2023); https://doi.org/10.1099/ijsem.0.005692
/content/journal/ijsem/10.1099/ijsem.0.005692
/content/journal/ijsem/10.1099/ijsem.0.005692
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