His research work at Harvard led to the discovery of a family of DNA modification enzymes that establish DNA methylation patterns of the human genome.
沿着他在哈佛的科研方向，后人发现了一族DNA修饰酶，这些酶能使人类染色体呈现多种甲基型态。
Genetic modification can be used to cut out selected pieces of DNA (or genes) using special enzymes.
基因改造，就是借助某种特别的酶，删除选中基因片段。
The preliminary conclusion is that the protein is synthesized by the yeast cells and its antibacterial activity is significantly improved through modification by bacteria enzymes.
初步推断，裂殖酵母先合成相关蛋白，该蛋白经膜醋酸菌产生的酶修饰后，抗菌活力显著提高。
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