Once they had the right combination, the researchers designed a synthetic gene which codes for a protein that promotes apoptosis, or programmed cell death.

确认了正确的组合之后，研究人员设计了一种合成基因。它对一种能够促成细胞凋亡(一种受控的细胞死亡)的蛋白质进行编码。

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Some people had two "long" versions of the promoter gene (one inherited from each parent), a combination that reduces the amount of serotonin in the junctions between nerve cells.

有些人有两种“长的”启动基因(一个是从一位双亲中遗传而来)，启动基因是一种减少神经元连接处的血清胺数量的组合体。

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The virus is made of eight gene segments of known provenance but which have not previously been seen in this combination.

病毒由8个已知基因片段组成，但是组合方式却前所未见。

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Thousands of genes stick to each ball, and the combination is loaded into a "gene gun"--two small stainless-steel chambers and a vacuum pump--that uses compressed helium.

FORBES: Millions Served

Thousands of genes stick to each ball, and the combination is loaded into a "gene gun, " which consists of two small stainless steel chambers and a vacuum pump.

FORBES: Millions Served

This combination of technique allows for precise control of gene expression in yeast, which is something that can be useful for genetic engineering.

FORBES: Cyborg Yeast Have Their Genes Controlled By Computer