ArticleNature communications2022
Paternal imprinting of dosage-effect defective1 contributes to seed weight xenia in maize.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- EMF2b-1 regulates endosperm cell cycling through PRC2 recruitment in maize.Genome biology · 2026Article
- ZmMYB127 Modulates Maize Kernel Texture and Size by Integrating the Synthesis of Starch, Zein Proteins and Auxin.Plant biotechnology journal · 2026Article
- From development to yield: genetic and molecular regulation of agronomic traits in maize seeds.Frontiers in plant science · 2026Review
- Inheritance of DNA Methylation Patterns and Its Role in Modulating Allelic Expression inPlants (Basel, Switzerland) · 2025Article
- Self-sterility, self-incompatibility and xenia: a review of the mechanisms of cross-pollination benefits in animal-pollinated crops.Annals of botany · 2025Review
- KILing in the name of embryonic growth: KIL transcription factors drive cell death in the maize endosperm.The Plant cell · 2025Article
- Transcription factor binding divergence drives transcriptional and phenotypic variation in maize.Nature plants · 2025Article
- Maize unstable factor for orange1 encodes a nuclear protein that affects redox accumulation during kernel development.The Plant cell · 2024Article
- Parental dialectic: Epigenetic conversations in endosperm.Current opinion in plant biology · 2024Review
- QTL mapping and candidate gene mining of seed size and seed weight in castor plant (Ricinus communis L.).BMC plant biology · 2024Article
- Transcription factor binding site divergence across maize inbred lines drives transcriptional and phenotypic variation.bioRxiv : the preprint server for biology · 2024Article
- High- or Low-Yielding FInternational journal of molecular sciences · 2024Article
- The conservation of allelic DNA methylation and its relationship with imprinting in maize.Journal of experimental botany · 2024Article
- Transgenerational Paternal Inheritance ofInternational journal of molecular sciences · 2023Article
Corrections and comments
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Historically, xenia effects were hypothesized to be unique genetic contributions of pollen to seed phenotype, but most examples represent standard complementation of Mendelian traits. We identified the imprinted dosage-effect defective1 (ded1) locus in maize (Zea mays) as a paternal regulator of seed size and development. Hypomorphic alleles show a 5-10% seed weight reduction when ded1 is transmitted through the male, while homozygous mutants are defective with a 70-90% seed weight reduction. Ded1 encodes an R2R3-MYB transcription factor expressed specifically during early endosperm development with paternal allele bias. DED1 directly activates early endosperm genes and endosperm adjacent to scutellum cell layer genes, while directly repressing late grain-fill genes. These results demonstrate xenia as originally defined: Imprinting of Ded1 causes the paternal allele to set the pace of endosperm development thereby influencing grain set and size.
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