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Integrated transcriptomic and metabolomic analysis of a mutant reveals the potential mechanism of endosperm content increase in sweet-waxy double recessive maize.

BMC plant biology - 10 Jun 2026

Wang Zhihong, Lu Baohong, Du Rushan, Hou Lei, Wang Zhiyuan

Abstract excerpt

BACKGROUND: The shrunken kernel phenotype in double recessive sweet-waxy maize (sh2sh2wxwx), caused by impaired starch biosynthesis, severely limits its commercial value. METHODS: To explore mechanisms for overcoming this limitation, we characterized a novel mutant, M4-6, derived from EMS mutagenesis, which exhibits significantly increased kernel weight. An integrated transcriptomic and metabolomic analysis was...

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Endosperm
Glucose-1-Phosphate Adenylyltransferase
Metabolome
Metabolomics
Plant Proteins

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PMID: 42271237
DOI: 10.1186/s12870-026-09231-0
PMCID: PMC13374357

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 1 Sept 2026.

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