外源淀粉水解酶能在酵母中高效表达并分泌，其主要因素在于：在构建载体时组入强启动子；

The main factors for high efficiency expression and secretion of exogenous amylum hydrolase in S. cerevisiae are as follows: involvement of strong promoter in carrier construction;

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目前已经通过此技术筛选到大量新的功能基因，例如编码脂肪酶、蛋白酶、腈水解酶、氧化还原酶和淀粉酶等活性物质的基因。

Accordingly, the metagenome-based strategy has led to isolation of many novel biocatalysts, such as esterase, lipase, protease, oxidoreductase, nitrilase and amylase.

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籽粒萌发时，分泌水解酶水解胚乳细胞中贮藏的淀粉和蛋白从而发挥重要的水解功能。

During germination, the aleurone performs an important digestive function, secreting hydrolases to break down the starch and proteins stored in the starchy endosperm cells.

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