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Author: search.filters.author.Nammali, AchararakSubject: search.filters.subject.Coffea arabica (L.)

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    Item type:Publication,
    Nocardia coffeae sp. nov., an endophytic actinobacterium isolatefrom the root of Coffea arabica (L.)
    (2022-01-01)
    Nammali, Achararak
    ;
    Duangupama, Thitikorn
    ;
    Suriyachadkun, Chanwit
    ;
    Tanasupawat, Somboon
    ;
    Thawai, Chitti
    The polyphasic taxonomic study of a novel endophytic actinobacterium strain (CA2R105<sup>T</sup>) was carried out. The strain formed fragmented substrate mycelium and showed chemotaxonomic properties typical of members of the genus Nocardia, i.e. the presence of mycolic acid and MK-8 (H<inf>4ω-cycl</inf> ) in its cells. Strain CA2R105<sup>T</sup> exhibited the highest 16S rRNA gene sequence similarity to Nocardia jiangxiensis NBRC 101359<sup>T</sup> (99.2%). The genome-based taxonomic analysis revealed low average nucleotide identity-blast and digital DNA–DNA hybridization values (<93.7, and <65.2%, respectively) to its closest relative. Moreover, many different phenotypic characteristics were observed between strain CA2R105<sup>T</sup> and all related Nocardia-type strains. This taxonomic evidence suggested that strain CA2R105<sup>T</sup> should be judged as representing a novel species of the genus Nocardia and the name, Nocardia coffeae sp. nov. is proposed. The type strain is CA2R105<sup>T</sup> (=TBRC 11247<sup>T</sup>=NBRC 114292<sup>T</sup>).
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