ArticleSexual plant reproduction2012
Gamete formation via meiotic nuclear restitution generates fertile amphiploid F1 (oat×maize) plants.
Article in Sexual plant reproduction, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Behavior of Centromeres during Restitution of the First Meiotic Division in a Wheat-Rye Hybrid.Plants (Basel, Switzerland) · 2022Article
- 3-D Nucleus Architecture in Oat × Maize Addition Lines.International journal of molecular sciences · 2020Article
- Complex characterization of oat (PeerJ · 2018Article
- Characterization of swine testicular cell line as immature porcine Sertoli cell line.In vitro cellular & developmental biology. Animal · 2016Article
- Sexual polyploidization in plants--cytological mechanisms and molecular regulation.The New phytologist · 2013Review
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Authors and funding
4 authors.
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Abstract
Hybrid (oat×maize) zygotes developed into euhaploid plants with complete oat chromosome complements without maize chromosomes and into aneuhaploid plants with complete oat chromosome complements and different numbers of retained individual maize chromosomes. The elimination of maize chromosomes in the hybrid embryo is caused by uniparental genome loss during early steps of embryogenesis. Some of these haploid plants set seed in up to 50% of their self-pollinated spikelets. The high fertility was found to be mainly caused by formation of numerically unreduced female and male gametes (nunreduced=3x+0…3=21…24 chromosomes). Gamete formation involves meiotic nuclear restitution. The restitution process is caused by an alternative type of meiosis. It follows the model of levigatum-type semi-heterotypic divisions, but with a formation of the nuclear membrane at the transition from telophase I to interkinesis, which resembles the model of pygaera-type pseudo-homotypic divisions. We propose the name haploid meiotic restitution for this particular process combination. We discuss the use and implications of the specific process of gamete formation in F1 (oat×maize) plants.
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