Why do guinea pigs naturally develop collateral arteries while other species don't? Check out this wonderful preprint from our lab using in vivo Peturb-seq to discover differences in tip cell programming contribute to artery formation in guinea pig development!
James Zwierzynski
A Perturb-seq screen guided by species divergence uncovers pathways for collateral artery formation https://www.biorxiv.org/content/10.64898/2026.04.29.721711v1