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氮离子注入选育β-葡聚糖酶高产菌株的研究 被引量:1

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摘要 为获得工业化生产的高产β-葡聚糖酶菌株,试验采用低能氮离子(N^+)注入诱变筛选的方法,对出发黑曲霉(Aspergillus niger)菌株Y2449进行改良,获得高产菌株SD16。突变株黑曲霉SD16产β-葡聚糖酶酶活由出发菌Y2449的73.00U/mL提高到493.24U/mL,产量提高到亲株的7倍,高产菌株SD16经连续5代培养传代,产酶性能稳定。
出处 《饲料研究》 CAS 2008年第3期44-47,共4页 Feed Research
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