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- Lafon-Placette, ClémentSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för växtbiologi,Department of Plant Biology (author)
Endosperm-based postzygotic hybridization barriers: developmental mechanisms and evolutionary drivers
- Article/chapterEnglish2016
Publisher, publication year, extent ...
- 2016-03-09
- Wiley,2016
- Wiley: 12 months,2024
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- LIBRIS-ID:oai:slubar.slu.se:81011
- https://res.slu.se/id/publ/81011URI
- https://doi.org/10.1111/mec.13552DOI
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- Language:English
- Summary in:English
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- The endosperm is a nourishing tissue that serves to support embryo growth. Failure of endosperm development will ultimately cause embryo arrest and seed lethality, a phenomenon that is frequently observed upon hybridization of related plant species or species that differ in ploidy. Endosperm-based interspecies or interploidy hybridization barriers depend on the direction of the hybridization, causing nonreciprocal seed defects. This reveals that the parental genomes are not equivalent, implicating parent-of-origin specific genes generating this type of hybridization barrier. Recent work revealed that endosperm-based hybridization barriers are rapidly evolving. In this review, we discuss the developmental mechanisms causing hybrid seed lethality in angiosperms as well as the evolutionary forces establishing endosperm-based postzygotic hybridization barriers.
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- Köhler, ClaudiaSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för växtbiologi,Department of Plant Biology(Swepub:slu)50597 (author)
- Sveriges lantbruksuniversitetInstitutionen för växtbiologi (creator_code:org_t)
- Sveriges lantbruksuniversitet
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- In:Molecular Ecology: Wiley25, s. 2620-26290962-10831365-294X
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