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Horizontal gene transfer in evolution

AuthorsBoto, Luis
KeywordsHorizontal gene transfer
Evolutionary mechanisms
Reticulated evolution
Tree of life
Issue Date14-Aug-2015
PublisherJohn Wiley & Sons
CitationeLS: (2015)
AbstractThe concept of horizontal or lateral gene transfer (the non‐genealogical transmission of genetic material between organisms) was introduced in 1990s to explain the observed incongruence in phylogenetic reconstructions using different genes. Today, horizontal gene transfer is accepted as an important force modulating evolution of Bacteria, Archaea and unicellular eukaryotes, and evidence is rising for their role in the evolution of pluricellular eukaryotes (fungi, plants and animals). The realisation that horizontal gene transfer plays an important role in evolution of both, prokaryotes and eukaryotes, put in question the metaphor of the tree of life and the traditional view of evolution as a slow process. A more pluralistic approach to evolution is emerging that encompasses different evolutionary mechanisms operating at different levels of complexity.
Publisher version (URL)http://dx.doi.org/10.1002/9780470015902.a0022835.pub2
Appears in Collections:(MNCN) Libros y partes de libros
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