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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 73, Issue 5

sp. nov., a bacterium isolated from lake sediment No Access

Abstract

A taxonomic identification using polyphasic approach was performed on strain TH16-21, which was isolated from the interfacial sediment of Taihu Lake, PR China. Strain TH16-21 was Gram-stain-negative, aerobic, rod-shaped and catalase-positive. Phylogenetic analysis based on the 16S rRNA gene and genomic sequences indicated that strain TH16-21 was classified within the genus of . The 16S rRNA gene sequence of strain TH16-21 showed the highest similarity to NJ-26 (98.9 %). The average nucleotide identity and digital DNA–DNA hybridization values between strain TH16-21 and NJ-26 were 91.2 and 45.9 %, respectively. The respiratory quinone was menaquinone 6. The major cellular fatty acids (>10 %) comprised iso-C, iso-C, iso-C G and iso-C 3-OH. The genomic DNA G+C content was 32.2 mol%. Phosphatidylethanolamine, six amino lipids and three phospholipids were the main polar lipids. Based on the phenotypic features and phylogenetic position, a novel species with the name sp. nov. is proposed. The type strain is TH16-21 (=MCCC 1K04592=KACC 22896).

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Flavobacterium lacisediminis , genome comparison , lake sediment and polyphasic identification
Funding
This study was supported by the:
  • Innovative Funds Plan of Henan University of Technology (Award 2021ZKCJ15)
    • Principle Award Recipient: Jian-HangQu
  • National Natural Science Foundation of China (Award 42107139)
    • Principle Award Recipient: JiaZhou
© 2023 The Authors
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2023-05-26
2024-04-23
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Flavobacterium lacisediminis sp. nov., a bacterium isolated from lake sediment
Int J Syst Evol Microbiol 73, 005914 (2023); https://doi.org/10.1099/ijsem.0.005914
/content/journal/ijsem/10.1099/ijsem.0.005914
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