Post-polyploid diploidization and diversification through dysploid changes

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Publikace nespadá pod Ekonomicko-správní fakultu, ale pod Středoevropský technologický institut. Oficiální stránka publikace je na webu muni.cz.
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MANDÁKOVÁ Terezie LYSÁK Martin

Rok publikování 2018
Druh Článek v odborném periodiku
Časopis / Zdroj CURRENT OPINION IN PLANT BIOLOGY
Fakulta / Pracoviště MU

Středoevropský technologický institut

Citace
www https://www.sciencedirect.com/science/article/pii/S1369526617301899?via%3Dihub
Doi http://dx.doi.org/10.1016/j.pbi.2018.03.001
Klíčová slova CHROMOSOME-NUMBER REDUCTION; WHOLE GENOME DUPLICATIONS; ANGIOSPERM DIVERSIFICATION; KARYOTYPE EVOLUTION; SPECIES RADIATION; FLOWERING PLANTS; SEED PLANTS; GENE; SIZE; ORCHIDS
Popis Whole-genome duplications are widespread across land plant phylogenies and particularly frequent in ferns and angiosperms. Genome duplications spurred the evolution of key innovations associated with diversification in many angiosperm clades and lineages. Such diversifications are not initiated by genome doubling per se. Rather, differentiation of the primary polyploid populations through a range of processes results in post-polyploid genome diploidization. Structural diploidization gradually reverts the polyploid genome to one functionally diploid-like through chromosomal rearrangements which frequently result in dysploid changes. Dysploidies may lead to reproductive isolation among post-polyploid offspring and significantly contribute to speciation and cladogenetic events.
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