The present invention relates to a novel xylan decomposition strain, Streptomyces atrovirens subspecies WJ2. In particular, the present invention relates to a novel strain having an excellent xylan decomposing activity, wherein the strain is Streptomyces atrovirens subspecies WJ2 deposited with a deposition number of KACC92087P to the RDA-Genebank Information Center by being isolated from Jeju Island soil. The novel strain of the present invention can effectively decompose xylan, thereby being able to be useful in industrial fields needing the composition of xylan or industrial fields using various physiological materials generated by the decomposition of xylan. Moreover, when the strain of the present invention is used, an industrially very useful xylan decomposition enzyme can be very effectively produced.;COPYRIGHT KIPO 2017
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