2012
DOI: 10.3389/fcimb.2012.00060
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How microbiology helps define the rhizome of life

Abstract: In contrast to the tree of life (TOF) theory, species are mosaics of gene sequences with different origins. Observations of the extensive lateral sequence transfers in all organisms have demonstrated that the genomes of all life forms are collections of genes with different evolutionary histories that cannot be represented by a single TOF. Moreover, genes themselves commonly have several origins due to recombination. The human genome is not free from recombination events, so it is a mosaic like other organisms… Show more

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Cited by 14 publications
(13 citation statements)
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References 124 publications
(175 reference statements)
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“…Viral lineages benefit from introgressive combinations of genetic fragments that transform their genes important for their life cycle, allowing these lineages to survive in the cells–viruses arm races. Overall, the recognition of composite genes evolving from the association of genetic material beyond the scale of individual viral gene families and from distinct viral lineages provides further evidence that genome mosaicism is a general feature of viruses ( Georgiades and Raoult 2012 ). This finding encourages the development of increasingly combinatorial models and network-based analyses of viral evolution.…”
Section: Discussionmentioning
confidence: 99%
“…Viral lineages benefit from introgressive combinations of genetic fragments that transform their genes important for their life cycle, allowing these lineages to survive in the cells–viruses arm races. Overall, the recognition of composite genes evolving from the association of genetic material beyond the scale of individual viral gene families and from distinct viral lineages provides further evidence that genome mosaicism is a general feature of viruses ( Georgiades and Raoult 2012 ). This finding encourages the development of increasingly combinatorial models and network-based analyses of viral evolution.…”
Section: Discussionmentioning
confidence: 99%
“…Under this scenario, similarities with D1 (characterized by retroviruses and 23S rRNA subunits) would result from chance or secondary convergences. However, this interpretation does not account for additional lateral transfers: many genes of giant viruses originate from lateral transfers, mainly from bacteria sharing their habitat in their amoeban host (Moliner et al, 2010 ; Georgiades and Raoult, 2012 ).…”
Section: Resultsmentioning
confidence: 99%
“…In a series of five articles on different aspects of evolution (microbial and beyond) (Georgiades et al, 2011;Colson and Raoult, 2012;Georgiades and Raoult, 2012;Ramulu et al, 2012) including a sweeping overview of modern evolutionary biology (Merhej and Raoult, 2012), Raoult and colleagues promote radical upstaging of the Darwinian paradigm. This proposed overhaul focuses primarily on the Rhizome of Life, the network representation of evolution that under this view is to supplant the Tree of Life.…”
Section: This Collection Of 14 Articles In Frontiers In Cellular and mentioning
confidence: 99%