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Protein aggregation in plant mitochondria lacking Lon1 inhibits translation and induces unfolded protein responses.

Plant, cell & environment - 1 Nov 2024

Song Ce, Li Yuanyuan, Yang Mengmeng, Li Tiantian, Hou Yuqi, Liu Yinyin, Xu Chang, Liu Jinjian, Millar A Harvey, Wang Ningning, Li Lei

Abstract excerpt

Loss of Lon1 led to stunted plant growth and accumulation of nuclear-encoded mitochondrial proteins including Lon1 substrates. However, an in-depth label-free proteomics quantification of mitochondrial proteins in lon1 revealed that the majority of mitochondrial-encoded proteins decreased in abundance. Additionally, we found that lon1 mutants contained protein aggregates in the mitochondrial that were enriched in...

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PMID: 38988259
DOI: 10.1111/pce.15035

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