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Enterovirga aerilata sp. nov. and Knoellia koreensis sp. nov., isolated from an automobile air conditioning system.
Lee, Hyosun; Chaudhary, Dhiraj Kumar; Kim, Dong-Uk.
Afiliación
  • Lee H; Department of Biological Science, College of Science and Engineering, Sangji University, Wonju, 26339, Republic of Korea.
  • Chaudhary DK; Department of Biomaterials, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai 600077, India.
  • Kim DU; Department of Biological Science, College of Science and Engineering, Sangji University, Wonju, 26339, Republic of Korea.
Int J Syst Evol Microbiol ; 74(5)2024 May.
Article en En | MEDLINE | ID: mdl-38743058
ABSTRACT
Two strictly aerobic and rod-shaped bacteria, labelled as DB1703T and DB2414ST, were obtained from an automobile air conditioning system. Strain DB1703T was Gram-stain-negative, while strain DB2414ST was Gram-stain-positive. Both strains were catalase-positive and oxidase-negative. Strains DB1703T and DB2414ST were able to grow at 18-42 °C. Strain DB1703T grew within a NaCl range of 0-3 % and a pH range of 6.0-8.0; while strain DB2414ST grew at 0-1 % and pH 6.5-8.5. The phylogenetic and 16S rRNA gene sequence analysis indicated that strains DB1703T and DB2414ST belonged to the genera Enterovirga and Knoellia, respectively. Strain DB1703T showed the closest phylogenetic similarity to Enterovirga rhinocerotis YIM 100770T (94.8 %), whereas strain DB2414ST was most closely related to Knoellia remsis ATCC BAA-1496T (97.7 %). The genome sizes of strains DB1703T and DB2414ST were 4 652 148 and 4 282 418 bp, respectively, with DNA G+C contents of 68.8 and 70.5 mol%, respectively. Chemotaxonomic data showed Q-10 as the sole ubiquinone in DB1703T and ML-8 (H4) in DB2414ST. The predominant cellular fatty acid in DB1703T was summed feature 8 (C18  1 ω7c and/or C18  1 ω6c), whereas iso-C16  0, C17  1 ω8c, and iso-C15  0 were dominant in DB2414ST. Overall, the polyphasic taxonomic comparisons showed that strains DB1703T and DB2414ST were distinct from their closest taxa and represent novel species within the genera Enterovirga and Knoellia, respectively. Accordingly, we propose the names Enterovirga aerilata sp. nov., with the type strain DB1703T (=KCTC 72724T=NBRC 114759T), and Knoellia koreensis sp. nov., with the type strain DB2414ST (=KCTC 49355T=NBRC 114620T).
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Filogenia / Automóviles / Composición de Base / ADN Bacteriano / ARN Ribosómico 16S / Técnicas de Tipificación Bacteriana / Ubiquinona / Análisis de Secuencia de ADN / Aire Acondicionado / Ácidos Grasos País/Región como asunto: Asia Idioma: En Revista: Int J Syst Evol Microbiol Asunto de la revista: MICROBIOLOGIA Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Filogenia / Automóviles / Composición de Base / ADN Bacteriano / ARN Ribosómico 16S / Técnicas de Tipificación Bacteriana / Ubiquinona / Análisis de Secuencia de ADN / Aire Acondicionado / Ácidos Grasos País/Región como asunto: Asia Idioma: En Revista: Int J Syst Evol Microbiol Asunto de la revista: MICROBIOLOGIA Año: 2024 Tipo del documento: Article Pais de publicación: Reino Unido