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Int J Syst Evol Microbiol. 2005 Jan;55(Pt 1):257-62.

Streptomyces koyangensis sp. nov., a novel actinomycete that produces 4-phenyl-3-butenoic acid.

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Laboratory of Molecular Plant Pathology, College of Life and Environmental Sciences, Korea University, Seoul 136-713, Korea.


A 4-phenyl-3-butenoic acid-producing actinomycete, designated strain VK-A60T, was isolated from a soil sample collected from Koyang, Korea. Morphological and chemical characteristics of the strain were consistent with those of the genus Streptomyces. The cell wall of the strain contains LL-diaminopimelic acid. The predominant fatty acids are anteiso-C(15 : 0), iso-C(16 : 0) and C(16 : 0). The strain formed a distinct monophyletic line within the 16S rRNA gene sequence phylogenetic tree. Analyses of its morphological, physiological and biochemical characteristics, together with random amplified polymorphic DNA and DNA-DNA relatedness data, confirmed that strain VK-A60T represents a novel Streptomyces taxon that is distinguishable from closely related reference strains. Strain VK-A60T (=KCCM 10555T=NBRC 100598T) is proposed as the type strain of a novel species, for which the name Streptomyces koyangensis sp. nov. is proposed.

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