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Transposable elements are key drivers of evolutionary innovation across many species. This Opinion article proposes evolutionary scenarios in which transposable elements have acted on innate immunity loci to generate adaptive immune systems and discusses striking parallels between the evolution of different adaptive immune systems: CRISPR–Cas in bacteria and archaea, and V(D)J recombination in vertebrates.
In this Opinion article, the authors highlight the potential of genome engineering for the study of evolution and focus on microbial systems. They discuss the prospects and problems of the emerging field of evolutionary genome engineering, and pinpoint how a combination of genome engineering and laboratory evolution can shed light on evolutionary forces.
In the past few years, there have been rapid advances in the identification of the genetic components of autism spectrum disorders, particularly in the form ofde novomutations. Here, the authors review these developments in light of genetic models for autism spectrum disorders.
