Brian A. Counterman

This study identifies ancient chromosomal inversions in the zebra longwing butterfly that are associated with local adaptation to environmental stressors.

The paper reveals widespread genomic and epigenetic divergence in Heliconius erato populations, showing polygenic barriers to gene flow rather than few major-effect loci.

The paper characterizes structural variation in Heliconius butterfly genomes and links it to chromatin accessibility and cis-regulatory elements.

patternize quantifies color pattern variation across organisms using image alignment and segmentation, enabling comparison and analysis through PCA and heatmaps.