ArticleJournal of experimental botany2013
Exine dehiscing induces rape microspore polarity, which results in different daughter cell fate and fixes the apical-basal axis of the embryo.
Article in Journal of experimental botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 38 citations in OpenAlex.
- Establishment and maintenance of embryogenic cell fate during microspore embryogenesis.The Plant journal : for cell and molecular biology · 2025Article
- The Roads to Haploid Embryogenesis.Plants (Basel, Switzerland) · 2023Review
- Effects of genotype and culture conditions on microspore embryogenesis in radish (Molecular breeding : new strategies in plant improvement · 2022Article
- Cytidinediphosphate diacylglycerol synthase-Mediated phosphatidic acid metabolism is crucial for early embryonic development of Arabidopsis.PLoS genetics · 2022Article
- Embryogenesis of European Radish (Plants (Basel, Switzerland) · 2021Article
- Cell Wall Composition and Structure Define the Developmental Fate of Embryogenic Microspores inFrontiers in plant science · 2021Article
- Live Imaging of embryogenic structures in Brassica napus microspore embryo cultures highlights the developmental plasticity of induced totipotent cells.Plant reproduction · 2020Article
- Microspore embryogenesis in Brassica: calcium signaling, epigenetic modification, and programmed cell death.Planta · 2018Review
- The isolation of early nuclear endosperm of Oryza sativa to facilitate gene expression analysis and screening imprinted genes.Plant methods · 2015Article
- Intracellular delivery of fluorescent protein into viable wheat microspores using cationic peptides.Frontiers in plant science · 2015Article
- The influence of heat stress on auxin distribution in transgenic B. napus microspores and microspore-derived embryos.Protoplasma · 2014Article
- Plasticity in Cell Division Patterns and Auxin Transport Dependency during in Vitro Embryogenesis in Brassica napus.The Plant cell · 2014Article
- The histone deacetylase inhibitor trichostatin a promotes totipotency in the male gametophyte.The Plant cell · 2014Article
- Characterization of polarity development through 2- and 3-D imaging during the initial phase of microspore embryogenesis in Brassica napus L.Protoplasma · 2014Article
- Microspore embryogenesis: establishment of embryo identity and pattern in culture.Plant reproduction · 2013Review
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Authors and funding
5 authors at 1 institution in 1 country.
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Abstract
The roles of cell polarity and the first asymmetric cell division during early embryogenesis in apical-basal cell fate determination remain unclear. Previously, a novel Brassica napus microspore embryogenesis system was established, by which rape exine-dehisced microspores were induced by physical stress. Unlike traditional microspore culture, cell polarity and subsequent asymmetric division appeared in the exine-dehisced microspore, which finally developed into a typical embryo with a suspensor. Further studies indicated that polarity is critical for apical-basal cell fate determination and suspensor formation. However, the pattern of the first division was not only determined by cell polarity but was also regulated by the position of the ruptured exine. The first division could be equal or unequal, with its orientation essentially perpendicular to the polar axis. In both types of cell division, the two daughter cells could have different cell fates and give rise to an embryo with a suspensor, similar to zygotic apical-basal cell differentiation. The alignment of the two daughter cells is consistent with the orientation of the apical-basal axis of future embryonic development. Thus, the results revealed that exine dehiscing induces rape microspore polarization, and this polarity results in a different cell fate and fixes the apical-basal axis of embryogenesis, but is uncoupled from cell asymmetric division. The present study demonstrated the relationships among cell polarity, asymmetric cell division, and cell fate determination in early embryogenesis.
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