Evolution: It's All In How You Splice It

MIT biologists find that alternative splicing of RNA rewires signaling in different tissues and may often contribute to species differences. When genes were first discovered, the canonical view was that each gene encodes a unique protein. However, biologists later found that segments of genes can be combined in different ways, giving rise to many different proteins...

Source: http://feedproxy.google.com/~r/mnt/healthnews/~3/ti9g5pzI5Is/254336.php

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