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纤维素降解菌的筛选及其酶学性质研究

钟国祥 姚健 张诚 王洪秀 马吉平 陈柳萌 陈庆隆

江西农业学报Issue(6):85-89,5.
江西农业学报Issue(6):85-89,5.

纤维素降解菌的筛选及其酶学性质研究

Screening and Enzymatic Properties of Cellulose-degrad ing Bacterium

钟国祥 1姚健 1张诚 1王洪秀 1马吉平 1陈柳萌 1陈庆隆1

作者信息

  • 1. 江西省农业科学院 农业应用微生物研究所,江西 南昌 330200
  • 折叠

摘要

Abstract

A cellulose-degrading bacterial strain was isolated from the moldy leaves of sugarcane, and its some important cul-ture conditions and enzymatic properties were studied.The optimal culture conditions for this degrading bacterial strain were acquired as follows:CMC-Na ( as carbon source) concentration 2.0%, yeast powder as nitrogen source, culture temperature 20℃, medium pH 6.5, culture time 96 h.The optimum temperature and optimal pH-value for the activities of filter-paper enzyme and CMC en-zyme produced by this degrading bacterium were 40℃and 5.5, respectively.

关键词

纤维素降解菌/筛选/纤维素酶/酶学性质

Key words

Cellulose-degrading bacterium/Screening/Cellulase/Enzymatic property

分类

生物科学

引用本文复制引用

钟国祥,姚健,张诚,王洪秀,马吉平,陈柳萌,陈庆隆..纤维素降解菌的筛选及其酶学性质研究[J].江西农业学报,2015,(6):85-89,5.

基金项目

科技部国际科技合作项目“农村有机废弃物资源化利用技术合作研究”(2012DFA91160);公益性行业(农业)科研专项项目(201103007、201203072、201303080)。 ()

江西农业学报

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