Roth S
Department of Molecular Biology, Lewis Thomas Laboratory, Princeton University, New Jersey 08544.
Curr Biol. 1994 Aug 1;4(8):755-7. doi: 10.1016/s0960-9822(00)00170-6.
Ventral activation of a transmembrane receptor, Toll, is a crucial step in dorsoventral axis establishment in Drosophila embryos. The ventral ligand for Toll seems to be a proteolytic fragment of the Spätzle protein.
跨膜受体Toll的腹侧激活是果蝇胚胎背腹轴建立的关键步骤。Toll的腹侧配体似乎是斯佩兹尔蛋白的一个蛋白水解片段。