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Volume 63, Issue Pt_12

sp. nov., a bacterium isolated from a rice field Free

Abstract

A Gram-stain-negative, yellow, non-spore-forming, rod-shaped bacterium, designated N7, was isolated from a soil sample collected from a rice field in Jiangsu, China, and was characterized using a polyphasic taxonomic approach. Strain N7 grew optimally at 25–30 °C, pH 6.0–8.0, and in the presence of 1 % NaCl (w/v). 16S rRNA gene sequence analysis indicated that strain N7 was a member of the genus and was closely related to IAM14316 (97.49 %) and CR11 (97.11 %), sharing less than 97 % sequence similarities with other species of the genus . The predominant respiratory quinone of strain N7 was MK-7 and major fatty acids were summed features 3 (Cω6 and/or Cω7), iso-C, C and iso-C 3-OH. The G+C content of the DNA was 40.9±0.5 mol%. The levels of DNA–DNA relatedness between strain N7 and the most closely related species IAM 14316 and CR11 were 21 % and 15 %, respectively. Based on these results, strain N7 is proposed to represent a separate species within the genus . The name sp. nov. is suggested and the type strain is N7 ( = CCTCC AB 2012100 = KACC 16854).

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Funding
This study was supported by the:
  • National Science and Technology Project in Rural Areas (Award 2012AA101403-4)
  • Project for Science and Technology of Jiangsu Province (Award BE201270608)
  • Chinese National Natural Science Foundation (Award J1210056 and 31070099)
© 2013 IUMS
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2013-12-01
2024-04-23
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Sphingobacterium changzhouense sp. nov., a bacterium isolated from a rice field
Int J Syst Evol Microbiol 63, 4515 (2013); https://doi.org/10.1099/ijs.0.053603-0
/content/journal/ijsem/10.1099/ijs.0.053603-0
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