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Mapping the gene of a maize leaf senescence mutant and understanding the senescence pathways by expression analysis.

Yong GaoXia ShiYongyuan ChangYingbo LiXuehang XiongHongmei LiuMengyuan LiWeihua LiXuehai ZhangZhiyuan FuYadong XueJihua Tang
Published in: Plant cell reports (2023)
population with 40,000 plants, and analyzed the leaf proteomics of the mutant and its near-isogenic wild type line. A total of 1355 differentially accumulated proteins (DAP) were mainly enriched in regulation pathways such as "photosynthesis", "ribosome", and "porphyrin and chlorophyll metabolism" by the KEGG pathway analysis. The interaction networks constructed by incorporation of transcriptome data showed that ZmELS5 likely repaired several key factors in the photosynthesis system. The putative candidate proteins for els5 were proposed based on DAPs in the fined QTL mapping interval. These results provide fundamental basis for cloning and functional research of the els5 gene, and new insights into the molecular mechanism of leaf senescence in maize.
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