Kribbella endophytica sp. nov., an endophytic actinobacterium isolated from the surface-sterilized leaf of a native apricot tree

Onuma Kaewkla, Christopher Franco

    Research output: Contribution to journalArticlepeer-review

    15 Citations (Scopus)

    Abstract

    A new strain of the genus Kribbella, PIP 118T, was isolated from the leaf of an Australian native apricot tree (Pittosporum angustifolium), or Gumbi Gumbi in the indigenous language. This strain is an aerobic actinobacterium consisting of hyphae that fragment into short to elongated rod-like elements. Phylogenetic evaluation based on 16S rRNA gene sequence analysis placed this isolate as a member of the family Nocardioidaceae and most closely related to Kribbella antibiotica YIM 31530T (98.6 %) and Kribbella koreensis LM 161T (98.4 %). Chemotaxonomic data including cell wall components, major menaquinone and major fatty acids confirmed the affiliation of strain PIP 118T to the genus Kribbella. The results of the phylogenetic analysis, including physiological and biochemical studies in combination with DNA-DNA hybridization, allowed the genotypic and phenotypic differentiation of strain PIP 118T and members of the most closely related species with validly published names. The name proposed for the new species is Kribbella endophytica sp. nov. The type strain is PIP 118T (=DSM 23718T=NRRL B-24812T).

    Original languageEnglish
    Pages (from-to)1249-1253
    Number of pages5
    JournalInternational Journal of Systematic and Evolutionary Microbiology
    Volume63
    Issue numberPART4
    DOIs
    Publication statusPublished - 1 Apr 2013

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