The evolutionary fate of the genes encoding the purine catabolic enzymes in hominoids, birds, and reptiles.

Abstract excerpt

Gene loss has been proposed to play a major role in adaptive evolution, and recent studies are beginning to reveal its importance in human evolution. However, the potential consequence of a single gene-loss event upon the fates of functionally interrelated genes is poorly understood. Here, we use the purine metabolic pathway as a model system in which to explore this important question. The loss of urate oxidase...

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