BiPOLES is an optogenetic tool developed for bidirectional dual-color control of neurons. - Vierock J; Rodriguez-Rozada S; Dieter A; Pieper F; Sims R; Tenedini F; Bergs ACF; Bendifallah I; Zhou F; Zeitzschel N; Ahlbeck J; Augustin S; et al. (Nature communications, 2021)