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Proposed model through which DgMYB2 enhanced the cold tolerance of chrysanthemum by directly targeting DgGPX1. Cold stress induces the expression of DgMYB2. DgMYB2 directly targets DgGPX1 to positively regulate the expression of DgGPX1, which regulates GPX activity and reduces ROS accumulation, thereby playing a positive role in chrysanthemum responses to cold stress.
