Daily Archives: March 13, 2010

Introns Keep Marching

More support for my hypothesis that introns facilitate the evolution of metazoans from:  Kim E, Magen A, Ast G. 2007. Different levels of alternative splicing among eukaryotes.  Nucleic Acids Research 35:125-131.

Here, the researchers compared levels of alternative splicing in eight different organisms: human, mouse, rat, chicken, sea squirt, fruit fly, worm, and plant. Here is a figure from their paper that reports the core finding:

And here are a couple of key excerpts:

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Food for Thought

Teleology is a mistress without whom no biologist can live, but with whom none wishes to be seen in public. – Ernst von Brücke, German Physiologist