Journal
EMBO JOURNAL
Volume 41, Issue 12, Pages -Publisher
WILEY
DOI: 10.15252/embj.2022110741
Keywords
calcium; channel; ETI; immunity; PTI
Categories
Funding
- Gatsby Charitable Foundation
- Biotechnology and Biological Research Council [BB/P012574/1]
- European Research Council under the European Union (EU)'s Horizon 2020 Research and Innovation Programme [309858, 773153]
- Swiss National Science Foundation [31003A_182625]
- EU Horizon 2020 Research and Innovation Program Marie Sklodowska-Curie Actions [892398]
- European Molecular Biology Organization [EMBO LTF 100-2017]
- Natural Sciences and Engineering Research Council of Canada [NSERC PDF-532561-2019]
- University of Zurich
- Marie Curie Actions (MSCA) [892398] Funding Source: Marie Curie Actions (MSCA)
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This article discusses recent research on Ca2+ signaling in plant immunity, revealing some mysteries and deepening our understanding.
Calcium ions function as a key second messenger ion in eukaryotes. Spatially and temporally defined cytoplasmic Ca2+ signals are shaped through the concerted activity of ion channels, exchangers, and pumps in response to diverse stimuli; these signals are then decoded through the activity of Ca2+-binding sensor proteins. In plants, Ca2+ signaling is central to both pattern- and effector-triggered immunity, with the generation of characteristic cytoplasmic Ca2+ elevations in response to potential pathogens being common to both. However, despite their importance, and a long history of scientific interest, the transport proteins that shape Ca2+ signals and their integration remain poorly characterized. Here, we discuss recent work that has both shed light on and deepened the mysteries of Ca2+ signaling in plant immunity.
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