Table 5. Human channelopathies with Drosophila orthologs identified in screen.
Drosophila Gene | Drosophila Line Screened | Observed wing phenotype | Human Ortholog | Associated Channelopathy | Human channelopathy lesion type | Human morphological phenotypes |
---|---|---|---|---|---|---|
Task6 | Mi(MIC) insertion (BL59167) | PCV bifurcation | KCNK9 | Birk-Barel Syndrome | Heterozygous missense mutation causing channel loss-of-function (Barel et al., 2008) | Facial dysmorphism |
Nanchung | Wing-specific RNAi knockdown (MS1096 driver with BL31295) | L5 incomplete, L5 bifurcation | TRPV4 | TRPV4 skeletal dysplasias | Variety of heterozygous missense mutations causing channel gain-of-function or loss-of-function (Nilius & Voets 2013) | Wide variety of skeletal dysplasias (see Nilius & Voets, 2013 for phenotype summaries) |
unc80 | Mi(MIC) insertion (BL42469) | PCV bifurcation, ectopic vein, pigment defect | UNC80 | IHPRF2 | Homozygous missense and truncating mutations causing channel loss-of-function (Stray-Pedersen et al., 2016) | Facial dysmorphism, small hands and feet (Stray-Pedersen et al., 2016) |
narrow abdomen | Hypomorphic allele (BL74) | Bristle defects, ectopic vein | NALCN | IHPRF1 | Homozygous missense and nonsense mutations causing channel loss-of-function (Al-Sayed et al., 2013) | Facial dysmorphism (Al-Sayed et al., 2013) |
narrow abdomen | Hypomorphic allele (BL74) | Bristle defects, ectopic vein | NALCN | CLIFAHDD | Heterozygous missense mutations in the pore-forming domain, suspected to have a dominant-negative effect (Chong et al., 2015) | Severe facial dysmorphism, limb and digit deformities (Chong et al., 2015) |
nAChRα5 | Mi(MIC) insertion (BL41424) | PCV bifurcation | CHRNA7 | 15q13.3 microdeletion syndrome | Heterozygous or homozygous deletion of CHRNA7 (Hoppman-Chaney et al., 2013) | Facial dysmorphism (Hoppman-Chaney et al., 2013) |
nAChRα6 | P-element insertion (BL20783) | PCV bifurcation | ||||
nAChRα7 | Antimorphic allele (BL24880) | PCV bifurcation |
PCV, posterior cross vein, L, longitudinal vein, BL, Bloomington Drosophila Stock Center number.