The Rho GTPase regulator ARHGEF3 orchestrates hair placode budding by coordinating cell fate and P-cadherin patterning in mice. - Kalyanakrishnan, Krithika; Beaudin, Amy; Jetté, Alexandra; Ghezelbash, Sarah; Ioana Hotea, Diana; Chen, Jie; Lefrançois, Philippe; Laurin, Mélanie (PLoS Biology, 2026)