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Contenidos con etiqueta epigenética .

Higher epigenetic diversity could alleviate the loss of genetic diversity

Higher epigenetic diversity could alleviate the loss of genetic diversity

Genetic diversity is generally considered the chief determinant of evolutionary change, but epigenetic diversity is now recognized as another layer of heritable variation with potential adaptive consequences. Epigenetic diversity could sometimes (fragmented populations, stressing habitats) alleviate the loss of genetic diversity and provide an "evolutionary backup" mechanism for wild plants. This study compares genetic and epigenetic diversity in seven congeneric species pairs with restricted and widespread distributions in southeastern Spain. Results suggest that higher epigenetic diversity could alleviate the loss of genetic diversity in some populations of endemic plants, but also other plant features can be essential to understand the relationship between genetic and epigenetic diversities. informacion[at]ebd.csic.es: Medrano et al (2020) Comparative genetic and epigenetic diversity in pairs of sympatric, closely-related plants with contrasting distribution ranges in southeastern Iberian mountains. AoB PLANTS DOI 10.1093/aobpla/plaa013


https://academic.oup.com/aobpla/advance-article/doi/10.1093/aobpla/plaa013/5817813

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Contenidos con etiqueta epigenética .

Una mayor diversidad epigenética podría aliviar la pérdida de diversidad genética

La diversidad genética se ha considerado tradicionalmente el principal determinante del cambio evolutivo, mientras que en la actualidad se reconoce la diversidad epigenética como una capa de...

08_02_2018, Carlos M.Herrera

Ecología de la variación subindividual en plantas. "Una conferencia sobre ciertas obviedades vegetales de consecuencias nada obvias". Lectura impartida en EAB2017 Joint Meeting BES Gfö Diciembre...