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A novel actinomycete, strain W6T , was isolated from a soil sample of Yunnan Province, China. The bacterium was aerobic, non-motile, non-spore-forming and Gram-stain-positive. Genetic, phenotypic and chemical properties of the isolate were studied. 16S rRNA gene sequence data suggested that the novel isolate belonged to the genus
Friedmanniella
and shared 98.6 % sequence similarity with
Friedmanniella antarctica
DSM 11053T and
Friedmanniella okinawensis
DSM 21744T , the most closely related species. The cell-wall peptidoglycan contained ll -diaminopimelic acid, and mycolic acids were absent. The main menaquinone was MK-9(H4 ) and the predominant fatty acids were anteiso-C15 : 0 and iso-C15 : 0 . The phospholipid profile contained phosphatidylglycerol, phosphatidylinositol, phosphatidylcholine and diphosphatidylglycerol. The DNA G+C content of strain W6T was 72 mol%. Strain W6T showed 30.0 % and 28.5 % DNA–DNA relatedness, respectively, to
F. antarctica
DSM 11053T and
F. okinawensis
DSM 21744T . The combined genotypic and phenotypic data showed that strain W6T should be assigned to the genus
Friedmanniella
as a representative of a novel species, for which the name Friedmanniella flava sp. nov. is proposed. The type strain is W6T ( = CGMCC 4.6856T = JCM 17701T ).
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