The enzyme luciferase causes a chemical reaction.
酶荧光素酶引起化学反应。
They tested the concept by having mice breathe in genetic material called messenger RNA, or mRNA. For the test, the mRNA included instructions to manufacture luciferase—the stuff that lights up in fireflies.
他们通过让老鼠吸称为信使 RNA 或 mRNA 的遗传物质来测试这个概念。为了进行测试, mRNA 包含制造荧光素酶的说明——荧光素酶是萤火虫体内会发光的物质。