Abstract

Plant Science Plant cell nuclei respond to signals from symbiotic nitrogenfixing rhizobial bacteria or arbuscular mycorrhizal fungi with oscillating Ca2+ release. Charpentier et al. identified a trio of responsible Ca2+ channels in a legume. These channels contain nuclear localization signals and are expressed in root cell nuclear envelopes. The channels function early in the establishment of symbiosis to produce oscillations in Ca2+ release from nuclear stores. Science , this issue p. [1102][1] [1]: /lookup/doi/10.1126/science.aae0109

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