Affiliation:
1. Howard Hughes Medical Institute and Division of Basic Sciences, Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue North, Seattle, WA 98109–1024, USA.
Abstract
Nonrandom Walks
Fitness landscapes of RNA sequences can help us to see the connection between all possible phenotypes and all possible genotypes. In molecular evolution, the fitness landscape is formalized as the distribution of fitness in sequence space, a hyperdimensional object of staggering complexity. To better understand these complex processes,
Pitt and Ferré-D'Amaré
(p.
376
; see the Perspective by
Kluwe and Ellington
) used deep sequencing to analyze the composition of a population of variants of an RNA ligase ribozyme, both before and after one round of in vitro selection. Relating the sequences of individuals in the population to a measure of their corresponding fitness provides a detailed picture of an evolutionary fitness landscape from empirical data.
Publisher
American Association for the Advancement of Science (AAAS)
Cited by
148 articles.
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