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Plants have evolved complex defense mechanisms to adapt and survive under adverse growth conditions. Abscisic acid (ABA) is a phytohormone that plays a pivotal role in the stress response, especially regulation of the stomatal aperture in response to drought. Here, we identified the pepper CaASRF1 (Capsicumannuum ABA Sensitive RING Finger E3 ligase 1) gene, which modulates drought stress tolerance...
Hormone‐ and stress‐induced shuttling of signaling or regulatory proteins is an important cellular mechanism to modulate hormone signaling and cope with abiotic stress. Hormone‐induced ubiquitination plays a crucial role to determine the half‐life of key negative regulators of hormone signaling. For ABAsignaling, the degradation of clade‐A PP2Cs, such as PP2CAor ABI1, is a complementary mechanism to ...
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