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

Author:

Charpentier Myriam1,Sun Jongho1,Martins Teresa Vaz2,Radhakrishnan Guru V.1,Findlay Kim1,Soumpourou Eleni1,Thouin Julien3,Véry Anne-Aliénor3,Sanders Dale4,Morris Richard J.2,Oldroyd Giles E. D.1

Affiliation:

1. Cell and Developmental Biology, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK.

2. Computational and Systems Biology, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK.

3. Laboratoire de Biochimie et Physiologie Moléculaire des Plantes, UMR 5004 CNRS–386 INRA (French National Institute for Agricultural Research)–SupAgro-M–Université Montpellier, Campus SupAgro–INRA, 34060 Montpellier, France.

4. Metabolic Biology, John Innes Centre, Norwich Research Park, Norwich NR4 7UH, UK.

Abstract

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

Funder

Biotechnology and Biological Sciences Research Council

European Research Council

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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