Affiliation:
1. Department of Ecology and Evolutionary Biology, Cornell University, Ithaca, NY, USA.
2. Baker Institute for Animal Health, Cornell University, Ithaca, NY, USA.
Abstract
Untangling the genetics of plasticity
The common buckeye butterfly,
Junonia coenia
, exhibits plastic coloration; it has two color morphs, light tan and dark red, that depend on day length and temperature. By selecting for more and less color plasticity, van der Burg
et al.
generated butterfly lines that were used to map the genetic variants that underlie differential coloration. Genome-wide analysis and RNA sequencing identified the genes most likely to be associated with the differences in color plasticity. Inactivation of genes with CRISPR–Cas9 identified three genes that affected the red phenotype, and other techniques identified cis-regulatory, noncoding genomic variants that were correlated with coloration. From these results, the authors were able to model how genetically encoded plasticity and assimilation of the plastic trait likely evolved.
Science
, this issue p.
721
Funder
National Science Foundation
Publisher
American Association for the Advancement of Science (AAAS)
Cited by
46 articles.
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