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Interspecies comparison of transcription factor occupancy during embryogenesis reveals potential co-operative relationships between factors and uncovers the inherent plasticity of developmental enhancers to overcome divergence in transcription factor occupancy.

In bacteria, frequent adaptive copy-number mutations can hinder the fixation of beneficial point mutations and hence the divergence of duplicated DNA sequences.

Demonstrating extreme diversity across crustaceans while contrasting with evolutionary stability in insects, mushroom body homologues further underpin the unity of Pancrustacea and shed new light on arthropod brain evolution.

Developmental regulatory mechanisms for peripheral nervous system formation appear to be conserved in ascidians despite extensive genomic divergence after 390 MY of separate evolution.

In the dioecious plant genus Leucadendron, shifts to sex-biased gene expression occurred predominantly in genes with ancestrally high rates of expression evolution, and were not correlated with morphology.

Relatively few genes have evolved vertically from the last universal common ancestor to modern prokaryotes, and phylogenetic analysis of these genes demonstrates a great genetic distance between Archaea and Bacteria.

Islands of non-methylated DNA are shown to perform a similar epigenetic role in many different vertebrate species.

Rapid evolution and gene conversion of a primate cell surface receptor family blocks recognition by pathogenic bacteria.

A remarkable case of the common evolutionary origin of a prominent spider venom component.

Dramatic phenotypic divergence of crustacean mushroom bodies map to phylogenetic lineages, thereby offering unexplored opportunities for relating divergent cognitive centers to different ecologies and behavioral repertoires required to negotiate them.