Ploidy frequencies in plants with ploidy heterogeneity: fitting a general gametic model to empirical population data

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F13%3A10192021" target="_blank" >RIV/00216208:11310/13:10192021 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/67985939:_____/13:00397429

Výsledek na webu

<a href="http://dx.doi.org/10.1098/rspb.2012.2387" target="_blank" >http://dx.doi.org/10.1098/rspb.2012.2387</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1098/rspb.2012.2387" target="_blank" >10.1098/rspb.2012.2387</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Ploidy frequencies in plants with ploidy heterogeneity: fitting a general gametic model to empirical population data

Popis výsledku v původním jazyce

Genome duplication (polyploidy) is a recurrent evolutionary process in plants, often conferring instant reproductive isolation and thus potentially leading to speciation. Outcome of the process is often seen in the field as different cytotypes co-occur in many plant populations. Failure of meiotic reduction during gametogenesis is widely acknowledged to be the main mode of polyploid formation. To get insight into its role in the dynamics of polyploidy generation under natural conditions, and coexistenceof several ploidy levels, we developed a general gametic model for diploid-polyploid systems. This model predicts equilibrium ploidy frequencies as functions of several parameters, namely the unreduced gamete proportions and fertilities of higher ploidyplants. We used data on field ploidy frequencies for 39 presumably autopolyploid plant species/populations to infer numerical values of the model parameters (either analytically or using an optimization procedure). With the exception of

Název v anglickém jazyce

Ploidy frequencies in plants with ploidy heterogeneity: fitting a general gametic model to empirical population data

Popis výsledku anglicky

Genome duplication (polyploidy) is a recurrent evolutionary process in plants, often conferring instant reproductive isolation and thus potentially leading to speciation. Outcome of the process is often seen in the field as different cytotypes co-occur in many plant populations. Failure of meiotic reduction during gametogenesis is widely acknowledged to be the main mode of polyploid formation. To get insight into its role in the dynamics of polyploidy generation under natural conditions, and coexistenceof several ploidy levels, we developed a general gametic model for diploid-polyploid systems. This model predicts equilibrium ploidy frequencies as functions of several parameters, namely the unreduced gamete proportions and fertilities of higher ploidyplants. We used data on field ploidy frequencies for 39 presumably autopolyploid plant species/populations to infer numerical values of the model parameters (either analytically or using an optimization procedure). With the exception of

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

EF - Botanika

OECD FORD obor

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Projekt

<a href="/cs/project/GA206%2F09%2F0843" target="_blank" >GA206/09/0843: Procesy ovlivňující vznik a evoluční úspěšnost polyploidů: co umožňuje koexistenci různých cytotypů v populacích Gymnadenia conopsea?</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2013

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Proceedings of the Royal Society B: Biological Sciences

ISSN

0962-8452

e-ISSN

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Svazek periodika

280

Číslo periodika v rámci svazku

1751

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

10

Strana od-do

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Kód UT WoS článku

000311994600009

EID výsledku v databázi Scopus

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