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Volume 69, Issue 4

sp. nov., isolated from the symptomatic bark tissue of × canker Free

Abstract

We isolated five novel bacterial strains from symptomatic bark tissue of ×  canker that were Gram-stain-negative, non-motile, aerobic oxidase-negative and catalase-positive. Growth occurred at 10–41 °C and at pH 5.0–7.0, with optimum growth at 30 °C and pH 7.0. Additionally, growth occurred in conditions of 0–5 % (w/v) salinity, but not above 7 % NaCl. The 16S rRNA gene sequences of the novel strains shared the highest similarity with SgZ-3 (97.1 %). The average nucleotide identity values between the novel strains and two type strains ( CCTCC AB2012026 and ‘’ CGMCC 1.12963) were 78.4–78.9 %, which were lower than the proposed species boundary cut-off (95–96 %). The main polar lipids were phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, an unidentified lipid and phosphatidylcholine. The main respiratory quinone was Q-10, and major fatty acids were Cω7 and/or C 6. Based on data from a polyphasic taxonomy study, the novel strains represent a novel species of the genus , for which the name sp. nov. is proposed. The type strain is sk2b1 (=CFCC 14580=KCTC 52802).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): average nucleotide identity , new taxon , Sinorhodobacter and taxonomy
Funding
This study was supported by the:
  • National Infrastructure for Microbiological Resources (CN) (Award NIMR-2017-7)
© 2019 IUMS
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2019-02-20
2024-04-19
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Sinorhodobacter populi sp. nov., isolated from the symptomatic bark tissue of Populus × euramericana canker
Int J Syst Evol Microbiol 69, 1220 (2019); https://doi.org/10.1099/ijsem.0.003300
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