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Molecular Characterization of Actinomycetes Isolated from Terrestrial Environment and Their Synthesis of Geosmin and 2-MIB 게시글의 제목, 학술지명, 저자, 발행일, 작성내용을 보여줌
Molecular Characterization of Actinomycetes Isolated from Terrestrial Environment and Their Synthesis of Geosmin and 2-MIB
학술지명 한국미생물학회 저자 오성애,이유진,김봉수,이규철,남세희,김민정
발표일 2013-05-02

The average numbers of Actinomycetes in the soil were higher than in the water and greatest in the soil of YP site. Genus of Streptomyces, which can cause odor compounds such as geosmin and 2-MIB, was dominant (65.5%) in 16S rDNA sequencing of cultured colonies. The increasing of Streptomyces proportion in with plant soil was also observed by culture independent pyrosequencing results. Bacterial diversities of GA and CP were higher than those of YP and PD, and diverse genera within Actinobacteria were detected in pyrosequencing result. The results of the rain leaching model experiment suggested that the geosmin and 2-MIB produced by the Actinomycetes could be released into the water systems by rainfall, the concentrations of the geosmin and 2-MIB leached from the planted soils were 2.6 times and 2.8 times higher than those from the unplanted soils, and the concentration of Streptomyces was positively correlated with the amount of geosmin and 2-MIB (R2 = 0.809 and 0.847, respectively).

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