Article
Housekeeping genes tend to show reduced upstream sequence conservation.
Genome biology - 1 Jan 2007
Farré Domènec, Bellora Nicolás, Mularoni Loris, Messeguer Xavier, Albà M Mar
Abstract excerpt
BACKGROUND: Understanding the constraints that operate in mammalian gene promoter sequences is of key importance to understand the evolution of gene regulatory networks. The level of promoter conservation varies greatly across orthologous genes, denoting differences in the strength of the evolutionary constraints. Here we test the hypothesis that the number of tissues in which a gene is expressed is related in a...
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