Article
A calcium signalling network activates vacuolar K+ remobilization to enable plant adaptation to low-K environments.
Nature plants - 1 Apr 2020
Tang Ren-Jie, Zhao Fu-Geng, Yang Yang, Wang Chao, Li Kunlun, Kleist Thomas J, Lemaux Peggy G, Luan Sheng
Abstract excerpt
Potassium (K) is an essential nutrient, but levels of the free K ions (K+) in soil are often limiting, imposing a constant stress on plants. We have discovered a calcium (Ca2+)-dependent signalling network, consisting of two calcineurin B-like (CBL) Ca2+ sensors and a quartet of CBL-interacting protein kinases (CIPKs), which plays a key role in plant response to K+ starvation. The mutant plants lacking two CBLs...
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