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ZmMKK1 phosphorylates ZmCAT2 to regulate H2O2 homeostasis and improve heat stress tolerance in maize.

The New phytologist - 1 May 2026

Chen Min, Zheng Han, Ye Junmei, Li Menglong, Yao Binyan, Wu Haonan, Wang Jiahua, Qu Haibo, Meng Yafei, Li Mengya, Jiang Mingyi, Jiang Haiyang

Abstract excerpt

High-temperature stress severely impairs plant growth, compromising crop yield and quality. The mitogen-activated protein kinase (MAPK) cascade (MAPKKK-MAPKK-MAPK) is a highly conserved signaling module involved in plant responses to diverse biotic and abiotic stresses. As the central component, MAPKK plays a critical role in signal transduction. However, its role in heat stress and underlying mechanisms remains...

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PMID: 41761387
DOI: 10.1111/nph.71045

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026.

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