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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 73, Issue 3

sp. nov., a novel marine hydrocarbonoclastic bacterium isolated from surface seawater No Access

Abstract

A novel -related strain, designated 6-D-6, was isolated from the surface seawater collected around Xiamen Island. The novel strain is Gram-stain-negative, rod-shaped and motile, and grows at 10–45 °C, pH 6.0–9.0 and in the presence of 0.5–15.0 % (w/v) NaCl. Phylogenetic analysis based on the 16S rRNA gene sequences indicated that it belongs to the genus , with the highest sequence similarity to B5 (99.9 %), followed by JC109 (99.5 %), MACL04 (99.3 %) and other 13 species of the genus (93.8 %–95.6 %). The digital DNA–DNA hybridization and average nucleotide identity values between strain 6-D-6 and three close type strains were 40.1–42.9/90.6–91.4 %, and others were below 22.9/85.1 %, respectively. The novel strain contained major cellular fatty acids of C (31.0 %), C ω8 cyclo (23.5 %), C cyclo (9.7 %), C 3OH (8.6 %), summed feature 8 (7.6 %) and C (5.4 %). The genomic G+C content of strain 6-D-6 was 61.38 %. Phosphatidylethanolamine, phosphatidylglycerol, diphosphatidylglycerol, two unidentified phospholipids and one amino-group-containing phospholipid were detected. On the basis of phenotypic and genotypic characteristics, strain 6-D-6 represents a novel species within the genus , for which the name sp. nov. is proposed. The type strain is 6-D-6 (=MCCC 1A01359=KCTC 92480).

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  • Accepted:
  • Published Online:
Keyword(s): Alcanivorax xiamenensis , hydrocarbon degradation , seawater and taxonomy
Funding
This study was supported by the:
  • National Infrastructure of Natural Resources for Science and Technology Program of China (Award NIMR-2021-9)
    • Principle Award Recipient: ZongzeShao
  • National Science and Technology Fundamental Resources Investigation Program of China (Award 2021FY100900)
    • Principle Award Recipient: QiliangLai
  • National Natural Science Foundation of China (Award No. 42030412 and 41976107)
    • Principle Award Recipient: ChunmingDong
  • the Scientific Research Foundation of Third Institute of Oceanography, MNR (Award No. 2019019, 2019021 and 2020009)
    • Principle Award Recipient: XiaotengFu
  • National Natural Science Foundation of China (Award No. 91851203)
    • Principle Award Recipient: ZongzeShao
© 2023 The Authors
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Alcanivorax xiamenensis sp. nov., a novel marine hydrocarbonoclastic bacterium isolated from surface seawater
Int J Syst Evol Microbiol 73, 005798 (2023); https://doi.org/10.1099/ijsem.0.005798
/content/journal/ijsem/10.1099/ijsem.0.005798
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