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《Journal of Anhui Agricultural Sciences》 2007-34
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Study on Antimicrobial Active Substances from a Strain of Streptomyces S024

WU Rui-ge et al (College of Plant Protection,Henan Agricultural University,Zhengzhou,Henan 450003)  
[Objective] The objective of the research was to meet the requirements of actinomycetes for agricultural production development better.[Method] A high-activity stain of S024 was screened from a batch of actinomycetes that was isolated from soil to study on the produced antibiotic preliminarily.[Result] The antibiotic produced by S024 strain had broad antimicrobial spectrum,especially had better controlling effects on fungal diseases such as wheat sheath blight and wheat root rot.It was stable under acid or neural conditions and kept stable at the pH value of 3.0~9.0.It had stronger tolerance to temperature.Under suitable pH conditions,the activity was not changed basically after treating for 0.5 h at 100 ℃.[Conclusion] Preliminary analysis on antibiotic property showed this antibiotic was a kind of water-solubility antibiotic with strong polarity and belonged to aminoglycoside.
【CateGory Index】: S476
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