产β-半乳糖苷酶水平升高的黑曲霉突变菌株的诱导、分离及特性分析
Induction, isolation, and characterization of aspergillus niger mutant strains producing elevated levels of beta-galactosidase.
作者信息
Nevalainen K M
出版信息
Appl Environ Microbiol. 1981 Mar;41(3):593-6. doi: 10.1128/aem.41.3.593-596.1981.
Abstract
An Aspergillus niger mutant strain, VTT-D-80144, with an improvement of three- to fourfold in the production of extracellular beta-galactosidase was isolated after mutagenesis. The production of beta-galactosidase by this mutant was unaffected by fermentor size, and the enzyme was also suitable for immobilization.
摘要
通过诱变分离得到一株黑曲霉突变株VTT-D-80144，其胞外β-半乳糖苷酶产量提高了三到四倍。该突变株产生β-半乳糖苷酶的能力不受发酵罐大小的影响，并且该酶也适合固定化。
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