These are CRISPR deletions in btsz in which the following regions were initially replaced by a dsRed-expressing cassette, which was then excised with Cre to generate clean deletions (with an attP + a loxP site remaining). We followed the strategy from https://doi.org/10.1534/genetics.113.160713 *All coordinates according to Release=r6.48 btsz promoter deletion btszpromoter.del chr3R:14817245..14820734 btsz insulator deletion btszinsulator.del chr3R:14822673..14823587 btsz boundary deletion btszboundary.del chr3R:14817245..14823587
