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Figure 7


Fig. 7. Gl1 suppresses the wing vein phenotypes of Elp, Dl and rho. Light micrographs of wings at low magnification (A,B) and high magnification (C-J). The L2 vein meets the upper wing margin. In comparison to wild-type (C) and Gl1 (D) backgrounds, the Elp1/+ and Dl13/+ (E and G, respectively) mutant backgrounds display an abnormal broadening of L2 at the wing margin. Gl1 in combination with either of these mutations (F,H) suppresses the wing vein phenotype. (I) Overexpression of rho in the transgenic line hsrho30A causes extra wing vein formation. (J) Gl1 suppresses the extra wing vein phenotype in hsrho30A +/+ Gl1 flies. The suppression of the wing phenotype is not completely penetrant. A majority (~70-80%) of the adults of this class exhibit the suppressed phenotype, whereas the remainder exhibit a `less mutant' phenotype. Genotypes shown: (A,C) wild type, (B) Elp1/+, (D) Gl1 Sb/+, (E) Elp1/+; +/+, (F) Elp1/+; Gl1 Sb/+, (G) Dl13/+, (H) Dl13/Gl1 Sb, (I) hsrho30A/+, (J) hsrho30A +/+ Gl1.





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