Post details: Nature magazine publishes paper on the edge of evolution...pt. 1

10/02/09

Permalinkby 06:31:53 pm, Categories: Books/Videos/Reviews, Science, Life Sciences, 130 words   English (US)

Nature magazine publishes paper on the edge of evolution...pt. 1

Michael Behe posts that Nature has published an interesting paper recently which places severe limits on Darwinian evolution.

The manuscript, from the laboratory of Joseph Thornton at the University of Oregon, is entitled "An epistatic ratchet constrains the direction of glucocorticoid receptor evolution". The work is interpreted by its authors within a standard Darwinian framework. Nonetheless, like the important work over the years of Michigan State's Richard Lenski on laboratory evolution of E. coli, which has shown trillions of bacteria evolving under selection for tens of thousands of generations yielding just broken genes and minor changes, the new work demonstrates the looming brick wall which confronts unguided evolution in at least one system. And it points strongly to the conclusion that such walls are common throughout all of biology.

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