Evolutionary rate and genetic load in an emblematic Mediterranean tree following an ancient and prolonged population collapse

Santiago C Gonzalez-Martinez, Juan Jaramillo-Correa, Francesca Bagnoli, Delphine Grivet, Bruno Fady, Filippos Aravanopoulos & Giovanni Vendramin
Severe bottlenecks significantly diminish the amount of genetic diversity and the speed at which it accumulates (i.e. evolutionary rate). They further compromise the efficiency of natural selection to eliminate deleterious variants, which may reach fixation in the surviving populations. Consequently, expanding and adapting to new environments may pose a significant challenge when strong bottlenecks result in genetic pauperization. Herein, we surveyed the patterns of nucleotide diversity, molecular adaptation and genetic load across hundreds of loci...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
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