Rice plastid development regulation gene PGL4 and application thereof

By cloning and expressing the rice plastid development regulating gene PGL4, chloroplast development was regulated, solving the problem of rice leaf color variation and improving photosynthetic efficiency and seed purity.

CN120866282APending Publication Date: 2025-10-31CHINA NAT RICE RES INST
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Patent Information

Application Number
CN202510789528.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-13
Publication Date
2025-10-31

AI Technical Summary

Technical Problem

There is a lack of effective means in the current technology to regulate the development of chloroplasts in rice, which leads to leaf color variation and affects photosynthetic efficiency and seed purity.

Method used

The rice plastid development regulation gene PGL4 was cloned and utilized. PGL4 protein was expressed in rice through gene editing and transformation technology to regulate chloroplast development, improve leaf color, and enhance photosynthetic efficiency.

Benefits of technology

The technology improved the color of rice leaves, increased photosynthetic efficiency, and enhanced seed purity through gene purification technology.

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Abstract

The invention belongs to the field of plant genetic engineering. Specifically, the invention relates to a rice plastid development regulation gene PGL4 and application thereof. The invention provides a protein coded by a rice plastid development regulation gene PGL4. The amino acid sequence of the protein is shown as SEQ ID No: 2. The invention also provides a gene for coding the protein, wherein the nucleotide sequence of the gene PGL4 is shown as SEQ ID No: 1. The invention also provides application of the gene, wherein the gene is used for constructing transgenic rice, and the leaf color of the transgenic rice is improved.
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Citation Information

Patent Citations

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  • Rice plastid development regulatory gene FLN2 and its uses

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