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DNA Res. 2010 Dec;17(6):393-406. doi: 10.1093/dnares/dsq026. Epub 2010 Nov 8.

Genome sequence of Kitasatospora setae NBRC 14216T: an evolutionary snapshot of the family Streptomycetaceae.

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  • 1NITE Bioresource Information Center, Department of Biotechnology, National Institute of Technology and Evaluation, 2-49-10 Nishihara, Shibuya-ku, Tokyo 151-0066, Japan.

Abstract

Kitasatospora setae NBRC 14216(T) (=KM-6054(T)) is known to produce setamycin (bafilomycin B1) possessing antitrichomonal activity. The genus Kitasatospora is morphologically similar to the genus Streptomyces, although they are distinguishable from each other on the basis of cell wall composition and the 16S rDNA sequence. We have determined the complete genome sequence of K. setae NBRC 14216(T) as the first Streptomycetaceae genome other than Streptomyces. The genome is a single linear chromosome of 8,783,278 bp with terminal inverted repeats of 127,148 bp, predicted to encode 7569 protein-coding genes, 9 rRNA operons, 1 tmRNA and 74 tRNA genes. Although these features resemble those of Streptomyces, genome-wide comparison of orthologous genes between K. setae and Streptomyces revealed smaller extent of synteny. Multilocus phylogenetic analysis based on amino acid sequences unequivocally placed K. setae outside the Streptomyces genus. Although many of the genes related to morphological differentiation identified in Streptomyces were highly conserved in K. setae, there were some differences such as the apparent absence of the AmfS (SapB) class of surfactant protein and differences in the copy number and variation of paralogous components involved in cell wall synthesis.

PMID:
21059706
[PubMed - indexed for MEDLINE]
PMCID:
PMC2993542
Free PMC Article

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