ArticleNature plants2024
EGG CELL 1 contributes to egg-cell-dependent preferential fertilization in Arabidopsis.
Article in Nature plants, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
What it found
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Who cites it
9 citing papers in PubMed, 11 citations in OpenAlex.
- The sperm cell-surface protein GEX3 coordinates with GEX2 and DMP8/9 to mediate sperm-egg adhesion and fusion in Arabidopsis.Plant communications · 2026Article
- Molecular understanding of plant pollination, fertilization, seed development and protoplast regeneration.Science China. Life sciences · 2026Review
- Removal of seed coat H3K27me3 in Arabidopsis requires noncanonical functions of brassinosteroid receptors.The Plant cell · 2026Article
- The contributions of two fertilization events to the fertilization recovery efficiency in Arabidopsis.Science China. Life sciences · 2026Article
- Article
- Sexual reproduction in land plants: an evolutionary perspective.Plant reproduction · 2025Review
- Microwave pre-stimulation methodology for plant growth promotion.Scientific reports · 2025Article
- The Role of Female and Male Genes in Regulating Pollen Tube Guidance in Flowering Plants.Genes · 2024Review
- Article
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Authors and funding
10 authors at 3 institutions in 2 countries.
Funding
Abstract
During double fertilization in angiosperms, the pollen tube delivers two sperm cells into an embryo sac; one sperm cell fuses with an egg cell, and the other sperm cell fuses with the central cell. It has long been proposed that the preference for fusion with one or another female gamete cell depends on the sperm cells and occurs during gamete recognition. However, up to now, sperm-dependent preferential fertilization has not been demonstrated, and results on preferred fusion with either female gamete have remained conflicting. To investigate this topic, we generated Arabidopsis thaliana mutants that produce single sperm-like cells or whose egg cells are eliminated; we found that although the three different types of sperm-like cell are functionally equivalent in their ability to fertilize the egg and the central cell, each type of sperm-like cell fuses predominantly with the egg cell. This indicates that it is the egg cell that controls its preferential fertilization. We also found that sperm-activating small secreted EGG CELL 1 proteins are involved in the regulation of egg-cell-dependent preferential fertilization, revealing another important role for this protein family during double fertilization.
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Registered trials
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