The role of DMI1 in establishing Ca2+ oscillations in legume symbioses

被引：17

作者：

Charpentier, Myriam ^{[1
]}

Martins, Teresa Vaz ^{[2
]}

Granqvist, Emma ^{[2
]}

Oldroyd, Giles E. D. ^{[1
]}

Morris, Richard J. ^{[2
]}

机构：

[1] John Innes Ctr, Cell & Dev Biol, Norwich, Norfolk, England

[2] John Innes Ctr, Computat & Syst Biol, Norwich, Norfolk, England

来源：

PLANT SIGNALING & BEHAVIOR | 2013年 / 8卷 / 02期

基金：

欧洲研究理事会; 英国生物技术与生命科学研究理事会;

关键词：

Ca2+ signaling; legumes symbioses; ion channels; electrophysiological model;

D O I：

10.4161/psb.22894

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Calcium (Ca2+) is a key secondary messenger in many plant signaling pathways. One such pathway is the SYM pathway, required in the establishment of both arbuscular mycorrhizal and rhizobial root symbioses with legume host plants. 1 When the host plant has perceived the diffusible signals from the microbial symbionts, one of the earliest physiological responses are Ca2+ oscillations in and around the nucleus. 2 These oscillations are essential for activating downstream gene expression, but the precise mechanisms of encoding and decoding the Ca2+ signals are unclear and still under intense investigation. Here we put forward a hypothesis for the mechanism of the cation channel DMI1.

引用

页数：3

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