Breen et al. reply

replying to D. M. McCandlish, E. Rajon, P. Shah, Y. Ding & J. B. Plotkin Nature497, 10.1038/nature12219 (2013) Understanding fitness landscapes, a conceptual depiction of the genotype-to-phenotype relationship, is crucial to many areas of biology. Two aspects of fitness landscapes are the focus...

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Bibliographic Details
Published in:Nature (London) 2013-05, Vol.497 (7451), p.E2-E3
Main Authors: Breen, Michael S., Kemena, Carsten, Vlasov, Peter K., Notredame, Cedric, Kondrashov, Fyodor A.
Format: Article
Language:English
Subjects:
631/181/2468
631/181/457
631/181/735
631/208/457
Amino acids
brief-communications-arising
Genetic aspects
Genetic epistasis
Humanities and Social Sciences
Molecular evolution
multidisciplinary
Science
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Summary:replying to D. M. McCandlish, E. Rajon, P. Shah, Y. Ding & J. B. Plotkin Nature497, 10.1038/nature12219 (2013) Understanding fitness landscapes, a conceptual depiction of the genotype-to-phenotype relationship, is crucial to many areas of biology. Two aspects of fitness landscapes are the focus of contemporary studies of molecular evolution. First, the local shape of the fitness landscape defined by the contribution of individual alleles to fitness that is independent of all genetic interactions. Second, the global, multidimensional fitness landscape 1 shape determined by how interactions between alleles at different loci change each other’s fitness impact, or epistasis. In explaining the high amino-acid usage ( u ), we focused on the global shape of the fitness landscape 2 , ignoring the perturbations at individual sites 3 .
ISSN:0028-0836
1476-4687
DOI:10.1038/nature12220