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木聚糖酶xynB基因序列分析及表达载体构建 被引量:1

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摘要 木聚糖酶在快速降解木聚糖类半纤维素的过程中起重要作用。Prevotella ruminicola B菌株中带有多种木聚糖酶基因,所产酶类具有潜在的应用前景。利用限制性内切酶BamHⅠ和XhoⅠ将xynB连接至表达载体pET-28a中,与组氨酸标签融合表达构建重组质粒pPrxynB,现已在大肠杆菌中获得高效表达。经分析XynB既具有外切酶活力,又具有β-木聚糖苷酶活力,因此XynB在木糖制备中具有重要的工业应用价值。
出处 《江苏农业科学》 北大核心 2013年第10期31-32,共2页 Jiangsu Agricultural Sciences
基金 吉林省发改委项目 吉林农业科技学院大学生创新科研项目(编号:吉农院合字[2012]第48号)
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