BK-PP2A

| Categories genes  | Tags salt sensitivity  salt tolerance 
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  • Key message
    • Together, these results suggest that B’κ-PP2A dephosphorylates SIT1 in planta under normal conditions and at the onset of salt exposure to maintain SIT1 phosphorylation at a low level, which consequently suppresses plant salt sensitivity.
    • In this way, SIT1 activity is decreased to a low level by salt, and MAPK signaling is limited to benefit plant growth. An increase in B’κ-PP2A holoenzyme may target other substrates to positively regulate salt tolerance.
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