Modeling gene expression evolution with an extended Ornstein-Uhlenbeck process accounting for within-species variation.

Abstract excerpt

Much of the phenotypic variation observed between even closely related species may be driven by differences in gene expression levels. The current availability of reliable techniques like RNA-Seq, which can quantify expression levels across species, has enabled comparative studies. Ornstein-Uhlenbeck (OU) processes have been proposed to model gene expression evolution as they model both random drift and...

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