Results 11 to 20 of about 3,856 (146)

Epigenética y salud: un análisis desde el pensamiento complejo [PDF]

open access: yesRevista Salud Bosque, 2019
La epigenética es el estudio de los cambios de los genes y su expresión que no generan modificaciones en la secuencia de ADN. Esta implica una serie de mecanismos como la metilación de citosinas del ADN, lo cual se manifiesta en el fenotipo y genera ...
Camilo José González Martínez
doaj   +3 more sources

Epigenética y epilepsia

open access: yesNeurología, 2015
Resumen: Introducción: La epigenética es el estudio de los cambios heredables en el ADN sin afectar a las secuencia de nucleótidos. Entre los mecanismos de regulación epigenética, los más estudiados y conocidos hasta la fecha son la metilación del ADN ...
L. Pulido Fontes   +2 more
doaj   +2 more sources

The impact of Pleistocene glaciations and environmental gradients on the genetic structure of Embothrium coccineum

open access: yesEcology and Evolution, 2022
The South American temperate forests were subjected to drastic topographic and climatic changes during the Pliocene‐Pleistocene as a consequence of the Andean orogeny and glacial cycles. Such changes are common drivers of genetic structure and adaptation.
Francisco Sepúlveda‐Espinoza   +6 more
doaj   +2 more sources

Epigenética, conceptualización y alcance epistémico

open access: yesRevista Argentina de Antropología Biológica, 2011
La epigenética, concepción frecuentemente atribuida a Corad Waddington (1905-1975), ha estado estrechamente relacionada a una lucha en el campo intelectual por más de dos mil años.
Quintero, Fabián
doaj   +1 more source

Functional Diversity and Community Composition of Soil Fungi Associated With Canopy Dieback in Araucaria araucana Forests of Contrasting Edaphic Conditions. [PDF]

open access: yesEnviron Microbiol Rep
Soil fungal communities associated with Araucaria araucana differ primarily according to site edaphic conditions rather than tree health status. Restrictive, nutrient‐poor soils are linked to higher canopy dieback and distinct functional community shifts, with symptomatic trees harbouring stress‐tolerant taxa and asymptomatic trees supporting ...
Arriagada V   +4 more
europepmc   +2 more sources

Phosphorylation of Phylogenetically Conserved Amino Acid Residues Confines HBx within Different Cell Compartments of Human Hepatocarcinoma Cells

open access: yesMolecules, 2021
Hepatitis B virus (HBV) is a circular, and partially double-stranded DNA virus. Upon infection, the viral genome is translocated into the cell nucleus, generating the covalently closed circular DNA (cccDNA) intermediate, and forming a mini chromosome ...
Cristian Prieto   +7 more
doaj   +1 more source

A Green Light to Switch on Genes: Revisiting Trithorax on Plants

open access: yesPlants, 2022
The Trithorax Group (TrxG) is a highly conserved multiprotein activation complex, initially defined by its antagonistic activity with the PcG repressor complex.
Diego Ornelas-Ayala   +6 more
doaj   +1 more source

La epigenética en la diabetes mellitus tipo 2: una enfermedad crónica no transmisible

open access: yesRevista de la Alad. Asociación Latinoamericana de Diabetes, 2021
La diabetes mellitus tipo 2 continúa siendo una pandemia sin aparente solución. Estudios realizados en las últimas dos décadas han encontrado una relación importante entre la epigenética y la diabetes mellitus tipo 2, determinando que el ambiente en el ...
Alexandro J. Martagón-Rosado
doaj   +1 more source

Adverse childhood experiences and developmental disabilities: risks, resiliency, and policy

open access: yesDevelopmental Medicine &Child Neurology, Volume 63, Issue 10, Page 1149-1154, October 2021., 2021
Thanks to the seminal work of Robert Anda and Vincent Felitti, it is now widely accepted that adverse childhood experiences (ACEs) can have lifelong effects on physical, behavioral, and mental health and that many adult diseases can be considered developmental disorders that began early in life.
Kiley Morgart   +3 more
wiley   +1 more source

Meta‐analysis of genome‐wide DNA methylation and integrative omics of age in human skeletal muscle

open access: yesJournal of Cachexia, Sarcopenia and Muscle, Volume 12, Issue 4, Page 1064-1078, August 2021., 2021
Abstract Background Knowledge of age‐related DNA methylation changes in skeletal muscle is limited, yet this tissue is severely affected by ageing in humans. Methods We conducted a large‐scale epigenome‐wide association study meta‐analysis of age in human skeletal muscle from 10 studies (total n = 908 muscle methylomes from men and women aged 18–89 ...
Sarah Voisin   +27 more
wiley   +1 more source

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