“基因包”里包含有经修饰过的基因，并且能够让生物体重复利用氧化荧光素，这种次级代谢产物还可以用于二次发光。

The package includes genetic modifications to enable organisms to recycle oxyluciferin, the by-product of the reaction that produces light.

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目的研究次级淋巴组织趋化因子(SLC)基因转染对小鼠恶性黑色素瘤细胞生物学特性的影响。

Objective To investigate the effects of secondary lymphoid organ chemokine (SLC) gene transfer on the biological characteristics of murine melanoma cells.

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然后两个具有竞争性质的“次级信号”之一激活产生一类细胞的基因表达，同时抑制产生另一类细胞的基因表达。

Then one of two rival "secondary factors" activates the genes that lead to one cell type and shuts down the genes that lead to the alternative.

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