Diatom Endosymbionts have Shrinking but Stable Genomes Despite Low Coding Density
Heidi E. Abresch, Sophia Miller, Forest Cruse, Jingchun Li, Sarah E. Hamsher, John Patrick Kociolek, Scott R. Miller
This study examines genome reduction in diatom endosymbionts, finding key gene losses and positive selection in nitrogen fixation genes, suggesting early stages of integration with hosts.
bioRxiv · Mar 22, 2026 · PreprintEvolutionary Biology