Matthew Hahn

@3rdreviewer.bsky.social

Population geneticist

Officially recruiting postdocs at GW. If you are interested in genetic novelty, structural variation, or evo genetics please get in touch! We have data sets on mulitple organisms with large population sizes (Drosophila, Megalonaias nervosa) and species in decline (fireflies, mussels, elephants).

Why are leaves the shape that they are? What controls intraspecific, genetic variation in leaf shape? New from my lab, in collaboration with many others, led by PhD student Amanda Peake: mapping the leaf shape polymorphism in Ipomoea hederacea.

Homozygous recessive entire leaf of Ivyleaf morning gloryHomozygous dominant, lobed leaf of Ivyleaf morning glory
bioRxiv Plant Bio@biorxiv-plants.bsky.social · 2mo ago

Newly arisen indel governs a leaf shape polymorphism in the Ivy Leaf Morning Glory (Ipomoea hederacea) https://www.biorxiv.org/content/10.64898/2026.06.04.730136v1

🚨SSE members: check your inbox!🚨 SSE has sent an important email regarding the OMB's proposed overhaul of federal grant regulations--changes that could affect peer review, publishing, conferences, professional societies, international collaborations, and more. @sse-evolution.bsky.social