To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S2 An esgG66B homozygote embryo. Escargot controls the sequential specification of two tracheal tip cell types by suppressing FGF signaling in Drosophila Guangxia Miao, and Shigeo Hayashi Development 2016. 143:4261-4271; doi: 10.1242/dev.133322 Download Original Video