twk-7 loss-of-function allele. Hyperactive forward locomotion. twk-7(mac510) is a 10-bp deletion and 2-bp insertion in exon 9, causing a frameshift: aatttattttcagGTAAAAAAGAACGCAGCAACGGAGACATGGACATTTTCATCGTCCATTTTCTTTGCCGTAACCGTCGTCACTACCATCGGATACGGTAATCCAGTTCCAGTGACAAACATTGGACGGATATGGTGTATATTGTTCTCCTTGCTTGGAA(TACCTCTAAC)del(AA)insACTGGTTACCATCGCTGACTTGGgtaagtgg. Reference: Zhou C, et al. PLoS Genet. 2022;18: e1010126. doi:10.1371/journal.pgen.1010126. PMID: 35482723.