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Volume 74, Issue 2

sp. nov., a facultatively anaerobic bacterium isolated from pig faeces No Access

Abstract

Two cocci-shaped, facultatively anaerobic, Gram-positive bacteria isolated from the faeces of a pig were designated as strains YH-aer221 and YH-aer222. Analysis of the 16S rRNA gene sequences revealed that the isolates were most closely related to JCM 18035 with 96.6 % similarity. The multi-locus sequence tree revealed that the isolates formed a sub-cluster adjacent to JCM 18035. The average nucleotide identity values for the isolates and their most closely related strains were 71.8 and 71.7 %, respectively; and the digital DNA–DNA hybridization values for the isolates and their most closely related strains were 25.6 and 25.5 %, respectively. The main fatty acids were Cω9, C and C. The cell wall contained the -diaminopimelic acid-based peptidoglycan. The two isolates shared the same metabolic pathways. Isolates YH-aer221 and YH-aer222 harboured the same CRISPR array with 33 and 46 spacers, respectively. Single-genome vs. metagenome analysis showed that the genomes of the isolates were not found in the available metagenome database. Given their chemotaxonomic, phenotypic and phylogenetic properties, YH-aer221 (= KCTC 25571=JCM 35699) and YH-aer222 (=KCTC 25573=JCM 35700) represent a novel taxon. The name sp. nov. is proposed.

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Keyword(s): Aerococcus , Aerococcus kribbianus sp. nov. , new species , pig faeces and taxonomy
Funding
This study was supported by the:
  • Korea Research Institute of Bioscience and Biotechnology (Award KGS1022423)
    • Principle Award Recipient: Young-HyoChang
  • National Research Foundation of Korea (Award 2021R1A2C2009051)
    • Principle Award Recipient: Joong-KiKook
© 2024 The Authors
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2024-02-28
2024-05-20
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Aerococcus kribbianus sp. nov., a facultatively anaerobic bacterium isolated from pig faeces
Int J Syst Evol Microbiol 74, 006284 (2024); https://doi.org/10.1099/ijsem.0.006284
/content/journal/ijsem/10.1099/ijsem.0.006284
/content/journal/ijsem/10.1099/ijsem.0.006284
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