Article
Potent pollen gene regulation by DNA glycosylases in maize.
Nature communications - 27 Sept 2024
Zeng Yibing, Somers Julian, Bell Harrison S, Vejlupkova Zuzana, Kelly Dawe R, Fowler John E, Nelms Brad, Gent Jonathan I
Abstract excerpt
Although DNA methylation primarily represses TEs, it also represses select genes that are methylated in plant body tissues but demethylated by DNA glycosylases (DNGs) in endosperm or pollen. Either one of two DNGs, MATERNAL DEREPRESSION OF R1 (MDR1) or DNG102, is essential for pollen viability in maize. Using single-pollen mRNA sequencing on pollen-segregating mutations in both genes, we identify 58 candidate DNG...
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