Recombination is a main source of genetic variability. However, the potential role of the variation generated by recombination in phenotypic traits, including diseases, remains unexplored because there is currently no method to infer chromosomal subpopulations based on recombination pattern differences. We developed recombClust, a method that uses SNP-phased data to detect differences in historic recombination in a chromosome population. We validated our method by performing simulations and by using real data to accurately predict the alleles of well-known recombination modifiers, including common inversions in Drosophila melanogaster and human, and the chromosomes under selective pressure at the lactase locus in humans. We then applied recombClust to the complex human 1q21.1 region, where nonallelic homologous recombination produces deleterious phenotypes. We discovered and validated the presence of two different recombination histories in these regions that significantly associated with the differential expression of ANKRD35 in whole blood and that were in high linkage with variants previously associated with hypertension. By detecting differences in historic recombination, our method opens a way to assess the influence of recombination variation in phenotypic traits.
Resumen. Los periodistas especializados en conseguir exclusivas en los periódicos representan un último reducto de la profesión que se resiste al influjo de la redes sociales. Así lo expresan cinco periodistas de los mayores diarios españoles que fueron entrevistados durante un estudio etnográfico sobre cómo habían trabajado una serie de exclusivas publicadas durante el año 2012. En esas entrevistas enfocadas y semi-estructuradas, los reporteros siguen valorando la exclusiva como el contenido más valiosos de sus medios pero expresan críticas sobre la utilidad de las redes sociales para su profesión, se muestran refractarios a su uso, incluso contraviniendo el criterio de sus propias empresas editoras y hasta se manifiestan partidarios de mantener los "scoops" al margen de la mecánica de adelantar contenido en el entorno 2.0. que están desplegando los medios de comunicación. Palabras clave: Periodismo; exclusiva; redes sociales; internet; periodismo de investigación; fuentes.
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