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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 73, Issue 3

sp. nov. and sp. nov., isolated from tidal flats in the Yellow Sea in Korea No Access

Abstract

Two bacterial strains (designated as YSTF-M11 and TSTF-M6) were isolated from tidal flat sediments of the Yellow Sea, Republic of Korea, and taxonomically characterized. A neighbour-joining phylogenetic tree based on 16S rRNA gene sequences showed that strain YSTF-M11 clusters with the type strains of species and strain TSTF-M6 clusters with the type strains of , and . Strains YSTF-M11 and TSTF-M6 exhibited 16S rRNA gene sequence similarity values of 97.5–98.9 % and 94.1–97.2 % to the type strains of four species and to the type strains of four species, respectively. An UBCG tree based on genomic sequences and a tree based on AAI showed that strains YSTF-M11 and TSTF-M6 form a cluster with the type strains of species and with the type strains of , and , respectively. The ANI and dDDH values between genomic sequences of strain YSTF-M11 and the type strains of four species and between those of strain TSTF-M6 and the type strains of the three species were in ranges of 74.0–75.9 and 18.2–19.7 % and 74.7–75.5 and 18.8–19.3 %, respectively. The DNA G+C contents of strains YSTF-M11 and TSTF-M6 were 60.3 and 61.9 % based on their genomic sequences. Both strains contained Q-10 as the predominant ubiquinone and C 7 as the major fatty acid. Strains YSTF-M11 and TSTF-M6 were separated from recognized species and , and , respectively, by their phenotypic properties together with the phylogenetic and genetic distinctiveness. Based on data presented in this study, strains YSTF-M11 (=KACC 21642 =NBRC 115155) and TSTF-M6 (=KACC 21643 =NBRC 115154) are considered to represent novel species of the genera and , respectively, for which the names sp. nov. and sp. nov. are proposed.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Loktanella gaetbulisp. nov , Novel species , Polyphasic taxonomy and Roseobacter insulaesp. nov
Funding
This study was supported by the:
  • Rural Development Administration (Award PJ015247)
    • Principle Award Recipient: Jung-HoonYoon
  • National Institute of Biological Resources (Award project on survey of indigenous species of Korea)
    • Principle Award Recipient: Jung-HoonYoon
© 2023 The Authors
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2023-03-31
2024-12-07
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Roseobacter insulae sp. nov. and Loktanella gaetbuli sp. nov., isolated from tidal flats in the Yellow Sea in Korea
Int J Syst Evol Microbiol 73, 005794 (2023); https://doi.org/10.1099/ijsem.0.005794
/content/journal/ijsem/10.1099/ijsem.0.005794
/content/journal/ijsem/10.1099/ijsem.0.005794
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