When two is better than one.
Gene duplication and divergence has long been considered an important route to adaptation and phenotypic evolution. Reporting in Nature, Hittinger and Carroll (2007) provide the first clear example of adaptations in both regulatory regions and protein-coding regions after gene duplication. This combination of evolutionary changes appears to have resolved an adaptive conflict, leading to increased organismal fitness.
Babbitt
Courtney C
CC
Institute for Genome Science and Policy, Duke University, Box 90338, Durham, NC 27708-0338, USA.
Haygood
Ralph
R
Wray
Gregory A
GA
D000222:Adaptation, Physiological; D019143:Evolution, Molecular; D020440:Gene Duplication; D014644:Genetic Variation; D012441:Saccharomyces cerevisiae / Q000235:genetics*