ArticleJournal of experimental botany2018
An imbalanced parental genome ratio affects the development of rice zygotes.
Article in Journal of experimental botany, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Article
- Mechanism of parent-of-origin effects revealed by multi-omic data in euro-chinese hybrid pigs.Nature communications · 2025Article
- Role of paternal Oryza sativa Baby Booms (OsBBMs) in initiating de novo gene expression and regulating early zygotic development in rice.The Plant journal : for cell and molecular biology · 2025Article
- Asymmetric gene expression in grain development of reciprocal crosses between tetraploid and hexaploid wheats.Communications biology · 2022Article
- Isolation of gametes and zygotes from Setaria viridis.Journal of plant research · 2022Article
- Dynamics of mitochondrial distribution during development and asymmetric division of rice zygotes.Plant reproduction · 2022Article
- In Vitro Fertilization System Using Wheat Gametes by Electric Fusion.Methods in molecular biology (Clifton, N.J.) · 2022Article
- Development and regeneration of wheat-rice hybrid zygotes produced by in vitro fertilization system.The New phytologist · 2021Article
- Effect of Paternal Genome Excess on the Developmental and Gene Expression Profiles of Polyspermic Zygotes in Rice.Plants (Basel, Switzerland) · 2021Article
- In Vitro Production of Zygotes by Electrofusion of Rice Gametes.Methods in molecular biology (Clifton, N.J.) · 2020Article
- In Support of Winge's Theory of "Hybridization Followed by Chromosome Doubling".Frontiers in plant science · 2020Article
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Authors and funding
3 authors.
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Abstract
Upon double fertilization, one sperm cell fuses with the egg cell to form a zygote with a 1:1 maternal-to-paternal genome ratio (1m:1p), and another sperm cell fuses with the central cell to form a triploid primary endosperm cell with a 2m:1p ratio, resulting in formation of the embryo and the endosperm, respectively. The endosperm is known to be considerably sensitive to the ratio of the parental genomes. However, the effect of an imbalance of the parental genomes on zygotic development and embryogenesis has not been well studied, because it is difficult to reproduce the parental genome-imbalanced situation in zygotes and to monitor the developmental profile of zygotes without external effects from the endosperm. In this study, we produced polyploid zygotes with an imbalanced parental genome ratio by electro-fusion of isolated rice gametes and observed their developmental profiles. Polyploid zygotes with an excess maternal gamete/genome developed normally, whereas approximately half to three-quarters of polyploid zygotes with a paternal excess showed developmental arrests. These results indicate that paternal and maternal genomes synergistically serve zygote development with distinct functions, and that genes with monoallelic expression play important roles during zygotic development and embryogenesis.
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