1887

Abstract

A novel endophytic actinomycete with antifungal activity, designated strain NEAU-JXY5, was isolated from the root of (Bak.) Ching. Strain NEAU-JXY5 showed closest 16S rRNA gene sequence similarity to GUI2 (99.31 %), and phylogenetically clustered with GUI43 (99.24 %), '' NEAU-gq11 (99.19 %), ' NEAU-gq9 (99.12 %), Lupac 09 (98.97 %), GUI63 (98.96 %), '' NEAU-GRX11 (98.91 %), DS3010 (98.77 %), CR38 (98.76 %), 2–19(6) (98.71 %), Lupac 14N (98.69 %), GUI23 (98.69 %), NEAU-zh8 (98.57 %) and NEAU-P5 (98.37 %). Phylogenetic analysis based on B gene sequences also indicated that the isolate clustered with the above strains except NEAU-zh8. A combination of DNA–DNA hybridization results and some phenotypic characteristics indicated that the strain could be readily distinguished from these closest phylogenetic relatives. Therefore, it is concluded that strain NEAU-JXY5 represents a novel species of the genus , for which the name sp. nov. is proposed. The type strain is NEAU-JXY5 (=CGMCC 4.7347=DSM 103125).

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2017-02-01
2020-01-25
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