UASt regulatory sequences drive expression of a l(1)sc RNAi construct.
embryonic cardioblast, with Scer\GAL4Mef2.PR
Expression of l(1)scNIG.3839R under the control of Scer\GAL4Mef2.PR results in a reduction in the number of blood progenitors/nephrocytes and cardioblasts in the embryo compared to controls.