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Acinetobacter pullorum sp. nov., Isolated from Chicken Meat

Elnar, Arxel G. ; Kim, Min-Gon ; Lee, Ju-Eun ; Han, Rae-Hee ; Yoon, Sung-Hee ; Lee, Gi-Yong ; Yang, Soo-Jin ; Kim, Geun Bae

Journal of Microbiology and Biotechnology, 2020, 30(4), , pp.526-532 [Periódico revisado por pares]

한국미생물생명공학회

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  • Título:
    Acinetobacter pullorum sp. nov., Isolated from Chicken Meat
  • Autor: Elnar, Arxel G. ; Kim, Min-Gon ; Lee, Ju-Eun ; Han, Rae-Hee ; Yoon, Sung-Hee ; Lee, Gi-Yong ; Yang, Soo-Jin ; Kim, Geun Bae
  • Assuntos: Acinetobacter pullorum sp. nov ; antimicrobial resistance ; chicken meat ; Research article ; taxonomy ; 생물학
  • É parte de: Journal of Microbiology and Biotechnology, 2020, 30(4), , pp.526-532
  • Notas: The Korean Society for Applied Microbiology
    KISTI1.1003/JNL.JAKO202013562120189
    These authors contributed equally to this study.
  • Descrição: A bacterial strain, designated B301T and isolated from raw chicken meat obtained from a local market in Korea, was characterized and identified using a polyphasic taxonomic approach. Cells were gram-negative, non-motile, obligate-aerobic coccobacilli that were catalase-positive and oxidase-negative. The optimum growth conditions were 30°C, pH 7.0, and 0% NaCl in tryptic soy broth. Colonies were round, convex, smooth, and cream-colored on tryptic soy agar. Strain B301 T has a genome size of 3,102,684 bp, with 2,840 protein-coding genes and 102 RNA genes. The 16S rRNA gene analysis revealed that strain B301 T belongs to the genus Acinetobacter and shares highest sequence similarity (97.12%) with A. celticus ANC 4603 T and A. sichuanensis WCHAc060041 T . The average nucleotide identity and digital DNA-DNA hybridization values for closely related species were below the cutoff values for species delineation (95–96% and 70%, respectively). The DNA G+C content of strain B301 T was 37.0%. The major respiratory quinone was Q-9, and the cellular fatty acids were primarily summed feature 3 (C 16:1 ω6c/C 16:1 ω7c), C 16:0 , and C 18:1 ω9c. The major polar lipids were phosphatidylethanolamine, diphosphatidyl-glycerol, phosphatidylglycerol, and phosphatidyl-serine. The antimicrobial resistance profile of strain B301 T revealed the absence of antibiotic-resistance genes. Susceptibility to a wide range of antimicrobials, including imipenem, minocycline, ampicillin, and tetracycline, was also observed. The results of the phenotypic, chemotaxonomic, and phylogenetic analyses indicate that strain B301 T represents a novel species of the genus Acinetobacter, for which the name Acinetobacter pullorum sp. nov. is proposed. The type strain is B301 T (=KACC 21653 T = JCM 33942 T ).
  • Editor: 한국미생물생명공학회
  • Idioma: Coreano;Inglês
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