Figure 1.

Putative regulatory mechanism by which CCCH zinc-finger proteins mediate abiotic stress tolerance in plants. (a) Transcription regulation of CCCH zinc-finger protein in the nucleus under abiotic stress. (b) Post-transcriptional regulation of CCCH zinc-finger protein in processing bodies (PBs) and stress granules (SGs) of the cytoplasm under abiotic stress. (c) Protein interaction of CCCH zinc-finger protein in the cytoplasm under abiotic stress. (d) Shuttling of CCCH zinc-finger protein between the nucleus and cytoplasm under abiotic stress. Solid arrows indicate processes that have been verified, and dotted arrows indicate processes that need to be clarified.