LIU Meng ran.Application of the Optimized Expression of the Zearalenone Degrading Enzyme[J].HEILONGJIANG AGRICULTURAL SCIENCES,2017,(10):17-20.[doi:10.11942/j.issn1002-2767.2017.10.0017]
玉米赤酶烯酮降解酶优化表达的应用
- Title:
- Application of the Optimized Expression of the Zearalenone Degrading Enzyme
- 文章编号:
- 1002-2767(2017)10-0017-04
- 分类号:
- Q78;Q936
- 文献标志码:
- A
- 摘要:
- 为提高ZEN降解酶的表达量,通过利用PCR法从具有玉米赤酶烯酮降解酶序列的载体中扩增玉米赤酶烯酮降解酶基因的手段,构建黑曲霉表达载体pSZHG-ZEN和带有黑曲霉内源高表达融合蛋白阿魏酸酯酶faeA基因的载体pSZHG-faeA-ZEN。结果表明:酶活检测结果显示载体pSZHG-ZEN以及pSZHG-faz分泌表达的最高发酵酶活为383.77U?mL-1和1378.33U?mL-1,表明构建的融合蛋白表达载体具有更高的活力。
- Abstract:
- In order to increase the expression quantities of ZEN degrading enzyme,the zearalenone degradation enzyme genes have been amplified by using the PCR method from a zearalenone degradation enzyme sequence and constructed the ?Aspergillus niger expression vector pSZHGZEN,vector pSZHG faeA ZEN with endogenous fusion protein high expression of ferulic acid esterase gene.The maximal fermentation enzyme activity of pSZHG ZEN and pSZHG faeA ZEN were 383.77 and 1 378.33 U?mL 1,it can be inferred that the expression vector of fusion protein has higher vitality.
参考文献/References:
备注/Memo
收稿日期:2017-08-17