Envelope-carrying Ty3/gypsy LTR retrotransposons are ancient and widespread across animals, revealing deep evolutionary links between retroelements, viral fusogens, and retroviruses.
Sideways locomotion in true crabs likely originated once from a forward-moving ancestor, providing insight into how behavioral innovations shape evolutionary diversification.
Angelly Vasquez-Correa, Johanna Arnet ... Ehab Abouheif
Latent developmental potential facilitates trait re-evolution with novel phenotypic patterns, adding a new perspective to understanding of the origins of novel traits in evolutionary and developmental biology.