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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 73, Issue 11

sp. nov., isolated from the intestine of swordfish No Access

Abstract

A Gram-stain-negative, facultatively anaerobic, motile, curved-rod-shaped flagellated bacterium, designated DSL-7, was isolated from the intestine of in the Yangtze river, PR China. The strain grew optimally in tryptone soy broth medium at 37 °C, pH 7.0 and with 1 % (w/v) NaCl. Strain DSL-7 showed less than 96.2 % 16S rRNA gene sequence similarity to type strains of the genus . Phylogenetic analysis based on genomes indicated that strain DSL-7 belonged to the genus and formed a subclade with NCTC 11435, OP3H, ATCC 14035, ATCC14547, OP3HEDC-792 and 2521-89. The average nucleotide identity (ANI) and in digital DNA–DNA hybridization (dDDH) values between DSL-7 and closely related type strains were below the accepted threshold to delineate a new species of 95 and 70 %, respectively. The major cellular fatty acids were summed feature 3 (C 7 and/or C 6), C, summed feature 8 (C 7 and/or C 6) and C. The genomic DNA G+C content was 47.6 mol%. Based on the phenotypic, chemotaxonomic, phylogenetic and genomic data, strain DSL-7 represents a novel species of the genus , for which the name sp. nov. is proposed, with strain DSL-7 (=KCTC 92851=CCTCC AB 2022396) as the type strain.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): 16S rRNA gene , Chanodichthys dabryi , digital DNA–DNA hybridization , polyphasic taxonomy and Vibrio chanodichtyis sp. nov.
Funding
This study was supported by the:
  • Special Fund for Science and Technology Program of Jiangsu Province (Award BM2022019)
  • National Natural Science Foundation of PR China (Award 32170128)
    • Principle Award Recipient: NotApplicable
© 2023 The Authors
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/content/journal/ijsem/10.1099/ijsem.0.006117
2023-11-22
2024-05-08
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Vibrio chanodichtyis sp. nov., isolated from the intestine of swordfish Chanodichthys dabryi
Int J Syst Evol Microbiol 73, 006117 (2023); https://doi.org/10.1099/ijsem.0.006117
/content/journal/ijsem/10.1099/ijsem.0.006117
/content/journal/ijsem/10.1099/ijsem.0.006117
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