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Plants 2014, 3(1), 128-140; doi:10.3390/plants3010128

Annexin-Mediated Calcium Signalling in Plants

Received: 20 December 2013 / Revised: 13 February 2014 / Accepted: 19 February 2014 / Published: 26 February 2014
(This article belongs to the Special Issue Calcium Signaling in Plants)
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Abstract: Calcium-permeable channels underpin elevations of free calcium that encode specific signals in stress adaptation, development and immunity. Identifying the genes encoding these channels remains a central goal of plant signalling research. Evidence now suggests that members of the plant annexin family function as unconventional calcium-permeable channels, with roles in development and stress signalling. Arabidopsis annexin 1 mediates a plasma membrane calcium-permeable conductance in roots that is activated by reactive oxygen species. Recombinant annexin 1 forms a very similar conductance in planar lipid bilayers, indicating that this protein could facilitate the in vivo conductance directly. The annexin 1 mutant is impaired in salinity-induced calcium signalling. Protein–protein interactions, post-translational modification and dynamic association with membranes could all influence annexin-mediated calcium signalling and are reviewed here. The prospect of annexins playing roles in calcium signalling events in symbiosis and immunity are considered.
Keywords: annexin; Arabidopsis; calcium; channel; Medicago; signal; stress annexin; Arabidopsis; calcium; channel; Medicago; signal; stress
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Davies, J.M. Annexin-Mediated Calcium Signalling in Plants. Plants 2014, 3, 128-140.

AMA Style

Davies JM. Annexin-Mediated Calcium Signalling in Plants. Plants. 2014; 3(1):128-140.

Chicago/Turabian Style

Davies, Julia M. 2014. "Annexin-Mediated Calcium Signalling in Plants." Plants 3, no. 1: 128-140.

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