The compositional evolution of the murid genome.

Abstract excerpt

Murid rodents show much less variation in isochore base composition than do most other mammals, a difference which has been referred to as the murid shift. We have investigated the murid shift by asking (1) whether the murid shift is ongoing and (2) whether there is any evidence of selection or biased gene conversion affecting base composition in the present-day mouse genome. By estimating the ancestral base...

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