Amycolatopsis plumensis sp. nov., a novel bioactive actinomycete isolated from a New-Caledonian brown hypermagnesian ultramafic soil.

The taxonomic position of an actinomycete isolated from a brown hypermagnesian ultramafic soil was examined using a polyphasic approach. The organism, which was designated SBHS Strp1(T), was found to have chemical and morphological properties typical of Amycolatopsis strains. It was most closely associated with Amycolatopsis kentuckyensis, Amycolatopsis lexingtonensis, Amycolatopsis rifamycinica, Amycolatopsis pretoriensis and Amycolatopsis tolypomycina on the basis of 16S rRNA gene sequence data, and showed a unique pattern of phenotypic properties that distinguished it from the type strains of these taxa.

Streptomyces ferralitis sp. nov., a novel streptomycete isolated from a New-Caledonian ultramafic soil.

The taxonomic position of an actinomycete isolated from an ultramafic soil in New Caledonia was determined using a polyphasic approach. The isolate, which was designated SFOp68(T), was shown to have chemical and morphological properties typical of streptomycetes. An almost complete 16S rRNA gene sequence of the isolate was generated and compared with sequences of representative streptomycetes.

Nocardia neocaledoniensis sp. nov., a novel actinomycete isolated from a New-Caledonian brown hypermagnesian ultramafic soil.

The taxonomic position of an actinomycete isolated from a hypermagnesian ultramafic soil was examined using a polyphasic approach. The strain, designated SBH(R) OA6(T), was shown to have chemical and morphological properties typical of members of the genus Nocardia. The organism was most closely associated with Nocardia asteroides using 16S rRNA gene sequence data.