Journal
JOURNAL OF EXPERIMENTAL BOTANY
Volume 59, Issue 3, Pages 533-544Publisher
OXFORD UNIV PRESS
DOI: 10.1093/jxb/erm344
Keywords
annexin; calcium; channel; GTP; peroxide; stress
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Funding
- Biotechnology and Biological Sciences Research Council [BB/C505232/1] Funding Source: Medline
- Biotechnology and Biological Sciences Research Council [BB/C505232/1] Funding Source: researchfish
- Natural Environment Research Council [MBA010001] Funding Source: researchfish
- NERC [MBA010001] Funding Source: UKRI
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Plant annexins are ubiquitous, soluble proteins capable of Ca2+-dependent and Ca2+-independent binding to endomembranes and the plasma membrane. Some members of this multigene family are capable of binding to F-actin, hydrolysing ATP and GTP, acting as peroxidases or cation channels. These multifunctional proteins are distributed throughout the plant and throughout the life cycle. Their expression and intracellular localization are under developmental and environmental control. The in vitro properties of annexins and their known, dynamic distribution patterns suggest that they could be central regulators or effectors of plant growth and stress signalling. Potentially, they could operate in signalling pathways involving cytosolic free calcium and reactive oxygen species.
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