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. 2011 Dec;15(12):859–872. doi: 10.1089/omi.2011.0091

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Copyright 2011, Mary Ann Liebert, Inc.

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FIG. 3. — Simplified model of SnRK2s pathways involved in plant response to osmotic stress. Model was done based on published and unpublished data described in the main text. ABA, abscisic acid; NO, nitric oxide; PA, phosphatidic acid; ROS, reactive oxygen species; unknown SnRK2K(s), an SnRK2 upstream kinase(s)— still unknown; unknown PP, an unknown phosphoprotein phosphatase dephosphorylating and inactivating ABA-independent SnRK2s; clade A PP2C, clade A PP2C phosphoprotein phosphatase; SCS, SnRK2-interacting calcium sensor; PYR/PYL/RCAR, soluble ABA receptor; Rboh, plasma membrane NADPH oxidase; SLAC1, Slow Anion Channel 1; KAT1, inward-rectifying potassium channel; TFs, transcription factors. Connections represent positive (arrow) and negative (block) regulation. Bold line—direct regulation/interaction, dashed line—indirect regulation. Question marks indicate currently unknown or not confirmed regulation.