128 Works

Rapid and predictable evolution of admixed populations between two Drosophila species pairs

Daniel Matute, Aaron Comeault, Eric Earley, Antonio Serrato-Capuchina, David Peede, Anaïs Monroy-Eklund, Wen Huang, Corbin Jones, Trudy Mackay & Jerry Coyne
The consequences of hybridization are varied, ranging from the origin of new lineages, introgression of some genes between species, to the extinction of one of the hybridizing species. We generated replicate admixed populations between two pairs of sister species of Drosophila: D. simulans and D. mauritiana; and D. yakuba and D. santomea. Each pair consisted of a continental species and an island endemic. The admixed populations were maintained by random mating in discrete generations for...

Data from: Evolutionary and structural analyses uncover a role for solvent interactions in the diversification of cocoonases in butterflies

Gilbert Smith, John E. Kelly, Aide Macias-Muñoz, Carter T. Butts, Rachel W. Martin & Adriana D. Briscoe
Multi-omic approaches promise to supply the power to detect genes underlying disease and fitness-related phenotypes. Optimal use of the resulting profusion of data requires detailed investigation of individual candidate genes, a challenging proposition. Here, we combine transcriptomic and genomic data with molecular modeling of candidate enzymes to characterize the evolutionary history and function of the serine protease cocoonase. Heliconius butterflies possess the unique ability to feed on pollen; recent work has identified cocoonase as a...

Data from: Contrasting patterns of insect herbivory and predation pressure across a tropical rainfall gradient

Anita Weissflog, Lars Markesteijn, Owen T. Lewis, Liza S. Comita, Bettina M. J. Engelbrecht. & Bettina M.J. Engelbrecht
One explanation for the extraordinarily high tree diversity of tropical lowland forests is that it is maintained by specialized natural enemies such as insect herbivores, which cause distance and density dependent mortality. Insect herbivory could also explain the positive correlation between tree species richness and rainfall if herbivory increases with rainfall, is higher on locally abundant versus rare species, and is not limited by predation pressure at wet sites. To test these predictions, insect herbivory...

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