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产高活性木聚糖酶放线菌的筛选 被引量:3

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摘要 收集全国各地富含腐败木质纤维材料的几十份土样,在以自制的玉米芯木聚糖为唯一碳源的选择培养基上培养,共筛出产木聚糖酶的放线菌102株。所有菌株都产木聚糖酶且具有木聚糖水解圈。从中筛选出41株放线菌进行摇瓶发酵复筛,优选出的7株菌株,除L1904外,木聚糖酶活力均超过了200 U/ml。菌株L2001木聚糖酶活力达815 U/ml,较低的菌株L1904酶活力也达158 U/ml。
出处 《江苏农业科学》 CSCD 北大核心 2009年第3期398-400,共3页 Jiangsu Agricultural Sciences
基金 国家科技攻关(支撑)计划(编号:2006BAD27B09) 北京市教育委员会科技发展计划(编号:KM00710011003)
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