因此，确认那些可以消化纤维素的酶的基因，然后修改并重组这些基因形成新的代谢途径，就可以生成一些系统，能够消化整株植物，并将其转化为乙醇。
Identifying the genes for the enzymes that do this, modifying them and assembling them into new pathways would produce systems that could digest the whole plant and turn it into ethanol.
这种植物种群数量的“大爆炸”是在古代植物染色体组加倍时发生的。染色体组加倍给植物提供了大量具有新功能的基因，这些新基因又形成了新特性。
These "big bangs" in plant evolution occurred when the genomes of ancient plants duplicated, providing vast Numbers of new genes that could take on new functions and lead to new traits.
该植物孢粉的发现肯定了热鲁组上部地层的形成时代为始新世，亦表明其形成于干旱较热的气候环境。
The discovery indicates that the upper part of the Relu Formation was formed in dry and hot climate in the Eocene.
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