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To summarize recent advances in the understanding of PPR proteins' functional mechanisms in crops and their applications in breeding.

Pentatricopeptide repeat proteins in crops: Advances in functional mechanisms and breeding applications

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To summarize recent advances in the understanding of PPR proteins' functional mechanisms in crops and their applications in breeding.
Review of literature on PPR proteins in cereal and oilseed crops
Analysis of roles in regulating seedling growth, stress responses, and fertility
Discussion on engineering designer PPR proteins for RNA targeting
PPR proteins are vital for chloroplast biogenesis and seedling photosynthesis.
Mitochondrial PPR proteins are essential for RNA processing and CMS restoration.
Certain PPR proteins enhance resistance to cold, drought, and disease.

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This review uncovers mechanisms regulating seedling growth and stress responses in crops, suggesting advanced breeding potential.

Wu et al. (2026) studied this question.

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