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Horizontal gene transfer in evolution: facts and challenges
Open accessAbstract
The 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, first, which processes are involved in the evolutionary success of transferred genes and, secondly, about the extent of horizontal gene transfer towards 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 neo-Darwinian 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.
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“Increased copper tolerance was reported to be mediated by a genomic amplification of CUP1, decreased basal levels of the copper transporters CTR2 and CCC2 and decreased activity of antioxidant enzymes [117,128].”
From Adaptive laboratory evolution—Principles and applications for biotechnology (2013) · cites this paper as [117]
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Metadata
- Authors
- Boto, L.
- Affiliations
- Consejo Superior de Investigaciones Científicas (ES)
- Corresponding author
- Boto, Luis
- ORCID
- Boto, Luis
- Venue
- Proceedings of the Royal Society B: Biological Sciences
- Publisher
- The Royal Society
- Published
- 2009-11-28
- Volume
- 277
- Issue
- 1683
- Pages
- 819-827
- ISSN
- 0080-4649 (ISSN-L)
- 0962-8452
- 1471-2954
- PMC
- PMC2842723
- OpenAlex
- W2108923274
- Cited by
- 379
- References
- 123
- Citations by year
- 2026: 11 · 2025: 13 · 2024: 21 · 2023: 17 · 2022: 18 · 2021: 34 · 2020: 24 · 2019: 35 · 2018: 25 · 2017: 21 · 2016: 27 · 2015: 19 · 2014: 28 · 2013: 29 · 2012: 27
- FWCI
- 1.45
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Proceedings of the Royal Society B Biological Sciences (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion, other-oa)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
- Social Sciences › Arts and Humanities › History and Philosophy of Science › Philosophy of Biology and Scientific Explanation
- Keywords
- horizontal gene transfer, prokaryotic evolution, microbial evolution, phylogenetic inference, evolutionary processes, evolutionary timescales
- MeSH terms
- Archaea, Bacteria, Biological Evolution, Phylogeny, Gene Transfer, Horizontal
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