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Nuclear-localized cyclic nucleotide–gated channels mediate symbiotic calcium oscillations

2016; American Association for the Advancement of Science; Volume: 352; Issue: 6289 Linguagem: Inglês

10.1126/science.aae0109

1095-9203

Myriam Charpentier, Jongho Sun, Teresa Vaz Martins, Guru Radhakrishnan, Kim Findlay, Eleni Soumpourou, Julien Thouin, Anne‐Aliénor Véry, Dale Sanders, Richard J. Morris, Giles Oldroyd,

Photosynthetic Processes and Mechanisms

Calcium signals the making of symbiosis Plant cell nuclei respond to signals from symbiotic nitrogenfixing rhizobial bacteria or arbuscular mycorrhizal fungi with oscillating Ca 2+ release. Charpentier et al. identified a trio of responsible Ca 2+ 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 Ca 2+ release from nuclear stores. Science , this issue p. 1102