Hydrogen sulfide (H2S) signaling regulates plant responses to adverse conditions via persulfidation of proteins. Recently, Chen et al. proposed that mechanistic interplay between H2S-linked persulfidation- and phosphorylation-based regulation of SNF1-RELATED PROTEIN KINASE 2.6 (SnRK2.6) modulates these pathways, providing a missing link to explain how plants coordinate abscisic acid (ABA) and H2S signaling in drought responses.
Keywords: ABA; H(2)S; SnRK2.6; persulfidation; phosphorylation.
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