Flindersiella endophytica gen. nov., sp. nov., an endophytic actinobacterium isolated from the root of Grey Box, an endemic eucalyptus tree

Onuma Kaewkla, Christopher Franco

    Research output: Contribution to journalArticlepeer-review

    9 Citations (Scopus)

    Abstract

    A novel endophytic actinobacterium, designated strain EUM 378 T, was isolated from the surface-sterilized root tissue of Eucalyptus microcarpa, a eucalyptus tree known as Grey Box. Phylogenetic evaluation based on 16S rRNA gene sequence analysis, including alignment with taxon-specific 16S rRNA gene signature nucleotides, placed this isolate as a member of the family Nocardioidaceae. Strain EUM 378 T showed.5.5% 16S rRNA gene sequence divergence from other members of this family and was related most closely to Actinopolymorpha alba YIM 48868 T (94.2%) and Actinopolymorpha singaporensis IM 7744 T (94.4%). This Gram-positive, aerobic actinobacterium has well-developed substrate mycelia that fragment into small rods. Chemotaxonomic data revealed that the cell wall contains LL-diaminopimelic acid, ribose, glucose and rhamnose. MK-10(H 6) is the predominant menaquinone. Chemotaxonomic and phylogenetic evidence confirmed that strain EUM 378T represents a novel species of a new genus, for which the name Flindersiella endophytica gen. nov., sp. nov. is proposed. The type strain is EUM 378 T (=DSM 45355 T =ACM 5289 T).

    Original languageEnglish
    Pages (from-to)2135-2140
    Number of pages6
    JournalInternational Journal of Systematic and Evolutionary Microbiology
    Volume61
    Issue number9
    DOIs
    Publication statusPublished - Sep 2011

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