UAS regulatory sequences drive expression of a dominant-negative form of Hsap\RAC1 (carries a T17N amino acid replacement) that is tagged at the N-terminal end with mCherry. The coding sequence is also tagged with Tag:AsLOV2, rendering the protein photoactivatable.
Photo-inactivation of Hsap\RAC1PA.T17N.Scer\UAS.T:Disc\RFP-mCherry,T:Zzzz\PT1 at the rear of border cell clusters expressing Hsap\RAC1PA.T17N.Scer\UAS.T:Disc\RFP-mCherry,T:Zzzz\PT1 under the control of Scer\GAL4slbo.2.6 promotes protrusion at the front of the cluster.
Photo-inactivation of Hsap\RAC1PA.T17N.Scer\UAS.T:Disc\RFP-mCherry,T:Zzzz\PT1 in the forward-directed protrusion of the leading cell in border cell clusters expressing Hsap\RAC1PA.T17N.Scer\UAS.T:Disc\RFP-mCherry,T:Zzzz\PT1 under the control of Scer\GAL4slbo.2.6 results in morphological changes at the back of the cluster.
Photo-inactivation of Hsap\RAC1PA.T17N.Scer\UAS.T:Disc\RFP-mCherry,T:Zzzz\PT1 at the front of border cell clusters expressing Hsap\RAC1PA.T17N.Scer\UAS.T:Disc\RFP-mCherry,T:Zzzz\PT1, EgfrDN.Scer\UAS and PvrDN.Scer\UAS under the control of Scer\GAL4slbo.2.6 results in local retraction.
Encodes a photoinactivatable form of Hsap\RAC1.