Multimeric CAX complexes and Ca2+ signaling – beyond humdrum housekeeping

This article comments on:Hocking B, Conn SJ, Manohar M, Xu B, Athman A, Stancombe MA, Webb AR, Hirschi KD, Gilliham M. 2017. Heterodimerization of Arabidopsis calcium/proton exchangers contributes to regulation of guard cell dynamics and plant defense responses. Journal Experimental Botany 68, 4171–4183 .