Journal
FRONTIERS IN LIFE SCIENCE
Volume 9, Issue 4, Pages 347-370Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/21553769.2016.1249033
Keywords
Epigenetics; history; evolution; environment; disease
Categories
Funding
- SIP-IPN [20131804, 20144028]
- CONACYT [84557]
- Tertiary Education Commission New Zealand
- COFAA
- EDI-IPN
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The definition of epigenetics is still under intense debate; however, its concept has evolved since it was originally introduced in 1939 by Conrad Hal Waddington as a way to reconcile antagonistic views between the school of preformationism and the school of epigenesis. The characterization of a large number of phenomena that diverge from the dogmas of classical genetics, and the discovery of the molecular mechanisms through which these phenomena occur, has given rise to a new area of study with important implications for biological sciences. Interactions between the environment and the DNA through modifications on the chromatin are not only responsible for the expression of a normal phenotype, these may be involved in the development of various pathologies. The epigenome, as the bridge between the genome and the phenotype, is no doubt one of the most interesting current ideas in genetics and is so revolutionary that it may change our present notions about inheritance and evolution. In this review, we made a compilation of the most important events in the history of epigenetics, its implications and some perspectives to the future.
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