LGALS4 and Bloom syndrome: Flies of the genotype ELAV-Gal4C155 parabss1/+;UAS-gishRNAi/+ showed a 75% reduction in BS paralysis compared with their ELAV-Gal4C155 parabss1/+;+/+ control siblings, showing that BS suppression occurred when gish expression was reduced in all neurons with the ELAV-Gal4 pan-neuronal driver (File S4).