Maternal co-expression of stepScer\UAS.P\T.T:Avic\GFP-EGFP completely suppresses the abnormal perpendicular membrane expansion seen at the base of cellularization furrows in embryos derived from females expressing sstndsRNA.shRNA.Scer\UAS.P\T.2 under the control of Scer\GAL4mat.αTub67C.T:Hsim\VP16.