Look before it leaps

日期:2019-03-06 02:02:14 作者:彭觖捉 阅读:

By Rob Edwards A “JUMPING GENE” being used to genetically engineer organisms has crossed the species barrier at least seven times in evolutionary history, in one instance between flies and humans, according to a study commissioned by the British government. If organisms modified using this mobile element are released, there will be a risk of genes spreading to other species, the report says. The so-called mariner element can move around in the genome of individual species thanks to the transposase enzyme it encodes,