Bottom: representation of the Annelid Tree of Life showing the position of the species included in this study. Top: genome organization in marine annelids and clitellates, with emphasis on the massive genomic rearrangements between both lineages. Credit figure: Rosa Fernández. Credit data to Carlos Vargas-Chávez. Credit silhouettes to Gemma I. Martínez-Redondo.
🧬 The study led by Rosa Fernández, #IBE principal researcher🔬, and published in @natecoevo.nature.com , shows that marine worms shattered their genome and rebuilt it in a radically different form when they first emerged from the sea 200 million years ago.