Larvae expressing Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4da.G32 undergo spontaneous tracheal melanization.
Expression of Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4Act results in melanisation of the tracheal system in larvae. The phenotype is first visible during the second or third larval instar and increases in intensity until the affected larvae die within a few days before reaching the pupal stage.
Expression of Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4btl.PS results in tracheal melanisation in larvae, pupae and adults. The animals all develop to the prepupal stage. Approximately 35% of prepupae or pupae show severe melanisation of the tracheal system. The remaining 65% are able to develop into adults, of which 96% show tracheal melanisation.
81% of flies expressing Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4btl.PS are viable at 18[o]C, whereas all animals die before the adult stage if the animals also carry Spn77BaW7/+.
The melanisation resulting from expression of Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4btl.PS is first detected at a low level between tracheal cells and the overlying cuticle. As the amount of melanin increases, it spreads to encompass the epithelial layer occupied by the tracheal cells.
Flies expressing Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4c564 have a similar survival rate after microbial infection as control flies.
Scer\GAL4btl.PS, Spn77BaRNAi.WIZ.UAS has lethal phenotype, enhanceable by MP1UASp.Tag:SS(ea), Scer\GAL4btl.PS
Scer\GAL4Act.PU, Spn77BaRNAi.WIZ.UAS has lethal | larval stage phenotype, suppressible by Scer\GAL4Act.PU/Sp7RNAi.UAS.WIZ
Scer\GAL4btl.PS, Spn77BaRNAi.WIZ.UAS has lethal phenotype, suppressible by MP1RNAi.UAS.WIZ, Scer\GAL4btl.PS
Scer\GAL4btl.PS, Spn77BaRNAi.WIZ.UAS has lethal phenotype, suppressible by Scer\GAL4btl.PS/Spn27AUAS.cLa
Scer\GAL4Act.PU, Spn77BaRNAi.WIZ.UAS has lethal | larval stage phenotype, suppressible by MP1RNAi.UAS.WIZ, Scer\GAL4Act.PU
Scer\GAL4btl.PS, Spn77BaRNAi.WIZ.UAS has lethal phenotype, non-suppressible by PPO1Bc
Scer\GAL4da.G32, Spn77BaRNAi.WIZ.UAS has tracheal section phenotype, suppressible by Hayan1
Scer\GAL4Act.PU, Spn77BaRNAi.WIZ.UAS has tracheal system phenotype, suppressible by MP1RNAi.UAS.WIZ, Scer\GAL4Act.PU
Scer\GAL4Act.PU, Spn77BaRNAi.WIZ.UAS has tracheal system phenotype, suppressible by Scer\GAL4Act.PU/Sp7RNAi.UAS.WIZ
Scer\GAL4btl.PS, Spn77BaRNAi.WIZ.UAS has adult tracheal system phenotype, suppressible by MP1RNAi.UAS.WIZ, Scer\GAL4btl.PS
Scer\GAL4btl.PS, Spn77BaRNAi.WIZ.UAS has adult tracheal system phenotype, suppressible by Scer\GAL4btl.PS/Spn27AUAS.cLa
Scer\GAL4btl.PS, Spn77BaRNAi.WIZ.UAS has adult tracheal system phenotype, non-suppressible by PPO1Bc
Scer\GAL4btl.PS, Spn77BaRNAi.WIZ.UAS has adult tracheal system phenotype, non-suppressible by PGRP-SAseml
Scer\GAL4btl.PS, Spn77BaRNAi.WIZ.UAS has adult tracheal system phenotype, non-suppressible by psh5
Scer\GAL4btl.PS, Spn77BaRNAi.WIZ.UAS has adult tracheal system phenotype, non-suppressible by spz4
A Hayan1 mutant background suppresses the spontaneous tracheal melanization seen when Spn77BadsRNA.WIZ.Scer\UAS is expressed under the control of Scer\GAL4da.G32.
Bc1 does not suppress lethality or tracheal melanisation in adults caused by expression of Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4btl.PS.
The lethality and melanisation of the adult tracheal system caused by expression of Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4btl.PS is suppressed by co-expression of MP1dsRNA.Scer\UAS.WIZ.
Co-expression of MP1Scer\UAS.P\T.T:ea enhances the lethality caused by expression of Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4btl.PS.
Co-expression of Spn27AScer\UAS.cLa suppresses the lethality and tracheal melanisation caused by expression of Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4btl.PS.
The melanisation of the adult tracheal system caused by expression of Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4btl.PS is not suppressed by PGRP-SAseml, psh5 or spz4.
The degree of melanisation seen in larvae expressing Spn77BadsRNA.WIZ.Scer\UAS under the control of Scer\GAL4btl.PS increases with greater microbial exposure.