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转基因苹果

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licheng 发表于 2016-4-12 18:11:43 | 显示全部楼层 |阅读模式
【Cheng,2014.4】这个新闻是关于转基因苹果,利用了表达补偿引发的RNAi机制,可以让苹果削了皮也不氧化。

From: Cheng Li
Date: Fri, Jul 13, 2012 at 6:17 AM
Subject: NYTimes: That Fresh Look, Genetically Buffed

Dosage over-compensation in action in genetically engineered apples!

"The gene does not come from another species. Rather, it contains DNA sequences from four of the apple’s own genes that govern production of polyphenol oxidase. Putting an extra copy of a gene into a plant can activate a self-defense mechanism known as RNA interference that shuts
down both the extra copy and the endogenous gene."

From The New York Times:

That Fresh Look, Genetically Buffed

Some members of the United States apple industry say the introduction of genetically engineered fruit could undermine the apple’s image as a healthy, natural food.

http://nyti.ms/LcSpUM


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