Daily Archives: March 9, 2010

Different Tunes in Different Tissues

In the previous entry, I noted that the alternative splicing of introns facilitates metazoan existence because it allows the organism to produce different versions of the same protein to fit the different versions of cells that make up a body. In other words, a brain cell and muscle cell might express mostly the same genes for their cytoskeleton, but they express different versions of those cytoskeletal genes to facilitate the functions associated with being a neuron vs. a muscle fiber.

Of course, since you might be thinking, “What does that dumb bunny know anyway?,” let me point to a recent study.

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