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  • Title: Streptomyces heilongjiangensis sp. nov., a novel actinomycete that produces borrelidin isolated from the root surface of soybean [Glycine max (L.) Merr].
    Author: Liu C, Wang X, Yan Y, Wang J, Zhang B, Zhang J, Xiang W.
    Journal: Int J Syst Evol Microbiol; 2013 Mar; 63(Pt 3):1030-1036. PubMed ID: 22707527.
    Abstract:
    A borrelidin-producing actinomycete, designated strain NEAU-W2(T), was isolated from the root surface of soybean [Glycine max (L.) Merr] and characterized using a polyphasic approach. The organism was found to have morphological and chemotaxonomic characteristics typical of streptomycetes. The G+C content of the DNA was 66.12 mol%. Analysis of the 16S rRNA gene sequence of strain NEAU-W2(T) revealed that the strain formed a distinct clade within the 16S rRNA gene sequence phylogenetic tree and showed highest similarity (99.61 %) to Streptomyces neyagawaensis ATCC 27449(T). However, the DNA-DNA relatedness between strain NEAU-W2(T) and S. neyagawaensis ATCC 27449(T) was 58.51 %. Strain NEAU-W2(T) could also be differentiated from S. neyagawaensis ATCC 27449(T) and other Streptomyces species showing high 16S rRNA gene sequence similarity (98-99 %), as well as other borrelidin-producing strains, based on morphological and physiological characteristics. On the basis of its physiological and molecular properties, it is proposed that strain NEAU-W2(T) represents a novel Streptomyces species, Streptomyces heilongjiangensis sp. nov. The type strain is NEAU-W2(T) ( = CGMCC 4.7004(T)  = ATCC BAA-2424(T)  = DSM 42073(T)).
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