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KMID : 0903519960390020153
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1996 Volume.39 No. 2 p.153 ~ p.158
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AB3217 - A and B , herbicidal compounds related to anisomycin from Streptomyces sp . ME - 13
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김창진/Kim, Chang Jin
곽상수/유익동/김종평/박동진/김원곤/Kwak, Sang Soo/Yoo, Ick Dong/Kim, Jong Pyung/Park, Dong Jin/Kim, Won Gon
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Abstract
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During the screening of herbicidal substances from microbial secondary metabolites using photoautotrophic cells, a strain of ME-13 with strong herbicidal activity was isolated from soil. Based on the taxonomic studies, the strain was identified as Streptomyces. Two active compounds were purified from the culture broth through the column chromatographies using active charcoal, silica gel, MCI gel, and ODS HPLC. The compounds were identified as AB3217-A and B, respectively, related to anisomycin by spectroscopic method. AB3217-A and B completely suppressed the germination of radish and barnyard grass at 25 ppm. In comparison to anisomycin, they showed the 6 times higher inhibitory activities against the growth of shoot and root of radish and barnyard grass with EC50 of around 6 ppm.
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