他们期望最终能找到许多不同的基因发挥的作用，也许从中能揭示出更多有关这一复杂系统调节人类睡眠的秘密。

Ultimately, they expect to find that many different genes play a role, which may in turn reveal more about the complex systems that regulate sleep in humans.

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报道说，这是科学家们首次对基因如何影响咖啡对心脏病发作危险的作用进行系统的分析研究。

This is the first time that scientists have done a systematic analysis of how genes can influence the effect of coffee on heart attack risk.

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当我们阻碍了果蝇神经系统中类似ABCC9的同种基因发挥作用时，果蝇的夜间睡眠时间就缩短了。

When we blocked the function of the ABCC9 homolog in the fly nervous system, the duration of nocturnal sleep was shortened.

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