UASt regulates expression of a mitochondria-excluded/cytoplasmic version of the P{mito-APOBEC1} "mtDNA mutator" - the mitochondrial targeting sequence has been removed.
The expression of Rnor\Apobec1Tag:HA under the control of Scer\GAL4da.G32 does affect adult lifespan or climbing ability, as compared to controls.