Auxin-induced K+ channel expression represents an essential step in coleoptile growth and gravitropism. - Philippar,K..; Fuchs,I..; Lüthen,H..; Hoth,S..; Bauer,C..S..; Haga,K..; Thiel,G..; Ljung,K..; Sandberg,G..; Böttger,M..; Becker,D..; Hedrich,R.. (Proceedings of the National Academy of Sciences of the USA, 1999)