链霉菌属产生细胞外聚乙烯降解酶
Production of an extracellular polyethylene-degrading enzyme(s) by Streptomyces species.
作者信息
Pometto A L, Lee B T, Johnson K E
机构信息
Department of Food Science and Human Nutrition, Iowa State University, Ames 50011-1060.
出版信息
Appl Environ Microbiol. 1992 Feb;58(2):731-3. doi: 10.1128/aem.58.2.731-733.1992.
Abstract
Extracellular culture concentrates were prepared from Streptomyces viridosporus T7A, Streptomyces badius 252, and Streptomyces setonii 75Vi2 shake flask cultures. Ten-day-heat-treated (70 degrees C) starch-polyethylene degradable plastic films were incubated with shaking with active or inactive enzyme for 3 weeks (37 degrees C). Active enzyme illustrated changes in the films' Fourier transform infrared spectra, mechanical properties, and polyethylene molecular weight distributions.
摘要
从绿产色链霉菌T7A、浅灰链霉菌252和西托链霉菌75Vi2的摇瓶培养物中制备细胞外培养浓缩物。将经过10天热处理（70摄氏度）的淀粉-聚乙烯可降解塑料薄膜与活性或非活性酶一起在37摄氏度下振荡培养3周。活性酶显示出薄膜的傅里叶变换红外光谱、机械性能和聚乙烯分子量分布的变化。
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本文引用的文献
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2
Extracellular Enzyme Activities during Lignocellulose Degradation by Streptomyces spp.: A Comparative Study of Wild-Type and Genetically Manipulated Strains.链霉菌属木质纤维素降解过程中的胞外酶活性：野生型和遗传操作菌株的比较研究。
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