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Fig. 5. tlr is expressed in the pupal wings and is required for the Bmp
signaling in the posterior crossvein. (A) Expression of tld and
tlr in 30 hours AP pupal wings is compared by in situ hybridization
with antisense tld and tlr DIG-labeled probes for the same
length of time. Inserts show control hybridization of embryos at the early
cellularization stages using the same probes. (B) Accumulation of pMad during
the pupal wing development in wild-type and tlr mutant animals 19
hours after pupariation (AP), 25 hours AP and 30 hours AP. The bottom panel
shows the corresponding adult wings, with the tlr mutant wing missing
the posterior crossvein.