微生物酶分子改造研究进展

近年来，越来越多的酶蛋白已经采用重组微生物反应器进行高效生产。为了改善酶蛋白的催化性能，提高其环境适应性，同时提高酶蛋白的表达量，降低生产成本，各种针对酶蛋白分子改造的基因工程技术已经得到大量的应用。综述了用于酶分子改造和进化的主要分子生物学方法，如定点突变、易错PCR、基因改组、密码子优化等技术及其应用成就。

Advances in Molecular Modification of Microbial Enzymes

In recent years,more and more of the enzyme proteins have been carried out using recombinant microorganism bioreactor for large scale production.For reasons of improved the catalytic capability and environmental suitability,or enhanced expression level of the protein,a variety of genetic engineering technology according to protein molecule modification have been applied extensively.Major strategies and achievements of molecular modification for microbial enzyme,such as site-directed mutagenesis,error-prone ...