Article
Network of epistatic interactions within a yeast snoRNA.
Science (New York, N.Y.) - 13 May 2016
Puchta Olga, Cseke Botond, Czaja Hubert, Tollervey David, Sanguinetti Guido, Kudla Grzegorz
Abstract excerpt
Epistatic interactions play a fundamental role in molecular evolution, but little is known about the spatial distribution of these interactions within genes. To systematically survey a model landscape of intragenic epistasis, we quantified the fitness of ~60,000 Saccharomyces cerevisiae strains expressing randomly mutated variants of the 333-nucleotide-long U3 small nucleolar RNA (snoRNA). The fitness effects of...
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