TABLE 2.

Genetic interactions between dVHL and Rab5 in the lumen formation phenotype^a

Genotype	No. of embryos	% normal	% with dorsal trunk lumen phenotype (convoluted + dilated)
UAS-lazZ/+; UAS-dVHLi, btl-GAL4/+	24	63	37
UAS-YFP::Rab5wt/+; UAS-FLP, btl-GAL4/+	16	100	0
UAS-YFP::Rab5wt/+; UAS-dVHLi, btl-GAL4/+	18	61	39
UAS-YFP::Rab5CA/+; UAS-FLP, btl-GAL4/+	17	100	0
UAS-YFP::Rab5CA/+; UAS-dVHLi, btl-GAL4/+	23	87 (A*)	13 (A*)
UAS-YFP::Rab5DN/+; UAS-FLP, btl-GAL4/+	17	76	24
UAS-YFP::Rab5DN/+; UAS-dVHLi, btl-GAL4/+	21	33 (B*)	67 (B*)

^aUAS-lacZ and UAS-FLP are used as neutral UAS transgenes for normalizing the effective Gal4 protein dosage. Statistical analyses used two-sample t tests for percentages.

^*modest significance (P < 0.1);

^AP = 0.065;

^BP = 0.066.