Sequence encoding the promoter and cDNA of the lncRNA:CR42858 lncRNA has been inserted into the attP site in TI{TI}lncRNA:CR42858KO, reconstituting wild-type lncRNA:CR42858 sequence at the endogenous locus.
lncRNA:CR42858KI.WT homozygotes do not show defects in late spermatogenesis.