Ca2+ signaling in plant manganese uptake: CPK21/23 kinases phosphorylate and activate manganese transporter NRAMP1

Chao-Feng Huang

Stress Biology ›› 2022, Vol. 2 ›› Issue (1) : 43. DOI: 10.1007/s44154-022-00067-w

Ca2+ signaling in plant manganese uptake: CPK21/23 kinases phosphorylate and activate manganese transporter NRAMP1

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Abstract

This brief article highlights the results of Fu et al. (Proc Natl Acad Sci USA 119:e2204574119, 2022), who recently found that manganese (Mn) deficiency triggers long-lasting multicellular Ca2+ oscillations in the elongation zone (EZ) of Arabidopsis roots and revealed a Ca2+-CPK21/23-NRAMP1 axis as an important mechanism for plant tolerance and adaptation to low Mn.

Keywords

Manganese deficiency / Ca2+ signaling / Ca2+-dependent protein kinase (CPK) / NRAMP1 phosphorylation

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Chao-Feng Huang. Ca2+ signaling in plant manganese uptake: CPK21/23 kinases phosphorylate and activate manganese transporter NRAMP1. Stress Biology, 2022, 2(1): 43 https://doi.org/10.1007/s44154-022-00067-w

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Funding
National Natural Science Foundation of China(31900216); National Key Laboratory of Plant Molecular Genetics

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