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Horizontal gene transfer in evolution: facts and challenges

AuthorsBoto, Luis
Horizontal gene transfer
Evolutionary mechanisms
Issue Date29-Oct-2009
PublisherRoyal Society (Great Britain)
CitationProceedings of the Royal Society of London B 277: 819-827 (2010)
AbstractThe contribution of horizontal gene transfer to evolution has been controversial since it was suggested to be a force driving evolution in the microbial world. In this paper, I review the current standpoint on horizontal gene transfer in evolutionary thinking and discuss how important horizontal gene transfer is in evolution in the broad sense and particularly in prokaryotic evolution. I review recent literature asking firstly which processes are involved in the evolutionary success of transferred genes and secondly about the extent of horizontal gene transfer toward different evolutionary times. Moreover, I discuss the feasibility of reconstructing ancient phylogenetic relationships in the face of horizontal gene transfer. Finally, I discuss how horizontal gene transfer fits in the current neodarwinian evolutionary paradigm and conclude there is a need for a new evolutionary paradigm that includes horizontal gene transfer as well as other mechanisms in the explanation of evolution.
Description9 páginas,
Publisher version (URL)http://rspb.royalsocietypublishing.org/content/early/2009/10/27/rspb.2009.1679.full.ht
Appears in Collections:(MNCN) Artículos
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