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Figure 2


Fig. 2. The role of pgant35A during Drosophila tracheal development. (A) Schematic of a wild-type tracheal tube in cross section. (B) Cross section of a pgant35A maternal/zygotic (m/z) mutant tracheal tube, showing loss of apicobasal polarity and of the diffusion barrier (large arrow). Reproduced, with permission, from Tian and Ten Hagen (Tian and Ten Hagen, 2007b).