The study of parasitism in socially living organisms shows that social group size correlates
with the risk of infection, but group structure–and thus differences in contact networks–is …

Patterns of evolution in immune defense genes help to understand the evolutionary
dynamics between hosts and pathogens. Multiple insect genomes have been sequenced …

Around 150 million years ago, eusocial termites evolved from within the cockroaches, 50
million years before eusocial Hymenoptera, such as bees and ants, appeared. Here, we …

The copepod Tigriopus californicus shows extensive population divergence and is
becoming a model for understanding allopatric differentiation and the early stages of …

The evolution of eusociality is one of the major transitions in evolution, but the underlying
genomic changes are unknown. We compared the genomes of 10 bee species that vary in …

Consistent patterns of positive selection in functionally similar genes can suggest a common
selective pressure across a group of species. We use alignments of orthologous protein …

Eusocial insects, mostly Hymenoptera, have evolved unique colonial lifestyles that rely on
the perception of social context mainly through pheromones, and chemoreceptors are …

Phylogenetic tests of adaptive evolution, such as the widely used branch-site test (BST),
assume that nucleotide substitutions occur singly and independently. Recent research has …

A major aim of sociogenomic research is to uncover common principles in the molecular
evolution of sociality. This endeavor has been hampered by the small number of specific …

Historically, the evolution of bats has been analyzed using a small number of genetic loci for
many species or many genetic loci for a few species. Here we present a phylogeny of 18 bat …