AdamTS-B protease is required for morphogenesis of the Drosophila respiratory system
Schulze, J.; Toepfer, U.
Show abstract
Epithelial tube morphogenesis is critical for the function of many organs. Basement membranes underlie epithelia and their remodeling is a key step to reach the correct size and shape. Key regulators that mediate basement membrane remodeling for tube elongation and branching remain largely unknown. We analyze the expression and function of AdamTS-B, a matrix metalloprotease, in the respiratory system of Drosophila. Here we show, that AdamTS-B is expressed early in tracheal development during placode formation. We generated a mutant line of AdamTS-B, which is lethal. Analysis of trachea morphogenesis in this AdamTS-B mutant reveal a function in tube elongation and cell migration. Our results suggest that AdamTS-B control BM remodeling required for organ shape.
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