Table 1. Recombinase Mediated Cassette Exchange to insert CRISPRh alleles at their target locus.
Target Gene | Injected Eggs | G0 Crossed | % Founders | % cassette exchange progeny | Crosses of fertile G1 containing CRISPRh allele | |||
---|---|---|---|---|---|---|---|---|
G1 cross | G2 progeny | transmission rate | ||||||
CRISPRh + | CRISPRh - | |||||||
AGAP007280 | 540 | 56 | ≥7.1% (4/56)* | 0.38% (15/4000) | 1 ♀G1 x wt | 34 | 2 | 94.4% |
8 ♂G1 x wt | 666 | 3 | 99.6% | |||||
AGAP011377 | 500 | 21 | ≥4.8% (1/21)* | 0.13% (4/2990) | 1 ♀G1 x wt | 35 | 0 | 100.0% |
AGAP005958 | 400 | 49 | ≥2.0% (1/49)* | 0.05% (2/4000) | 1 ♂G1 x wt | 236 | 0 | 100.0% |
CRISPR homing constructs were injected into the respective docking lines with a plasmid source of vasa-driven integrase. Successful recombinase-mediated exchange events were scored visually for the replacement of GFP at the docking site with the RFP contained within the CRISPRh construct. The proportion of G1 progeny containing putative cassette exchange events is also shown.
In these cases the progeny were screened from group crosses hence the estimate for the number of founders is a minimum.