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New Gene Evolution: Little Did We Know
Open accessAbstract
Genes are perpetually added to and deleted from genomes during evolution. Thus, it is important to understand how new genes are formed and how they evolve to be critical components of the genetic systems that determine the biological diversity of life. Two decades of effort have shed light on the process of new gene origination and have contributed to an emerging comprehensive picture of how new genes are added to genomes, ranging from the mechanisms that generate new gene structures to the presence of new genes in different organisms to the rates and patterns of new gene origination and the roles of new genes in phenotypic evolution. We review each of these aspects of new gene evolution, summarizing the main evidence for the origination and importance of new genes in evolution. We highlight findings showing that new genes rapidly change existing genetic systems that govern various molecular, cellular, and phenotypic functions.
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“Gene duplication enables the testing of novel functions without compromising the ancestral one [63].”
From Origin and Evolution of Genes in Eukaryotes: Mechanisms, Dynamics, and Functional Implications (2025) · cites this paper as [63]
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Metadata
- Authors
- Long, M., VanKuren, N. W., Chen, S., & Vibranovski, M. D.
- Affiliations
- University of Chicago (US)
- Massachusetts Institute of Technology (US)
- Universidade de São Paulo (BR)
- Corresponding author
- Long, Manyuan
- Venue
- Annual Review of Genetics
- Publisher
- Annual Reviews
- Published
- 2013-11-23
- Volume
- 47
- Issue
- 1
- Pages
- 307-333
- ISSN
- 0066-4197 (ISSN-L)
- 1545-2948
- PMC
- PMC4281893
- OpenAlex
- W2151750549
- Cited by
- 307
- References
- 172
- Citations by year
- 2026: 10 · 2025: 23 · 2024: 43 · 2023: 29 · 2022: 29 · 2021: 35 · 2020: 26 · 2019: 24 · 2018: 17 · 2017: 12 · 2016: 28 · 2015: 12 · 2014: 17 · 2013: 2
- FWCI
- 2.11
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Annual Review of Genetics (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institutes of Health
- National Institute of General Medical Sciences (R01GM100768, T32GM007197)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Chromosomal and Genetic Variations
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
- Keywords
- gene birth, genome evolution, gene structure evolution, phenotypic evolution, genetic systems, biodiversity
- MeSH terms
- Animals, Brain, Drosophila melanogaster, Forecasting, Gene Expression Regulation, Genes, Humans, Mammals, Models, Genetic, Phenotype, Phylogeny, Recombination, Genetic, Selection, Genetic, Sex Characteristics, Transcription, Genetic, Genes, Plant, Genes, Insect, Gene Dosage, Evolution, Molecular, Gene Duplication, RNA, Untranslated, Gene Transfer, Horizontal, Genetic Structures, Gene Regulatory Networks
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