Abstract
The taxonomic position of a new Saccharothrix strain, designated MB46T, isolated from a Saharan soil sample collected in Mzab region (Ghardaïa province, South Algeria) was established following a polyphasic approach. The novel microorganism has morphological and chemical characteristics typical of the members of the genus Saccharothrix and formed a phyletic line at the periphery of the Saccharothrix espanaensis subcluster in the 16S rRNA gene dendrograms. Results of the 16S rRNA gene sequence comparisons revealed that strain MB46T shares high degrees of similarity with S. espanaensis DSM 44229T (99.2%), Saccharothrix variisporea DSM 43911T (98.7%) and Saccharothrix texasensis NRRL B-16134T (98.6%). However, the new strain exhibited only 12.5–17.5% DNA relatedness to the neighbouring Saccharothrix spp. On the basis of phenotypic characteristics, 16S rRNA gene sequence comparisons and DNA-DNA hybridizations, strain MB46T is concluded to represent a novel species of the genus Saccharothrix, for which the name Saccharothrix ghardaiensis sp. nov. (type strain MB46T = DSM 46886T = CECT 9046T) is proposed.
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The authors would like to gratefully acknowledge the technical assistance of Bettina Sträubler (DSMZ) for her help in the genomic analysis.
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Bouznada, K., Bouras, N., Mokrane, S. et al. Saccharothrix ghardaiensis sp. nov., an actinobacterium isolated from Saharan soil. Antonie van Leeuwenhoek 110, 399–405 (2017). https://doi.org/10.1007/s10482-016-0812-4
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DOI: https://doi.org/10.1007/s10482-016-0812-4