Cited by 633Chromosomal and Genetic VariationsEvolution and Genetic DynamicsGenomic variations and chromosomal abnormalities

Variable tandem repeats accelerate evolution of coding and regulatory sequences

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Gemayel, Rita, Vinces, Marcelo D., Legendre, Matthieu, Verstrepen, Kevin J.·2010·Annual Review of Genetics

Abstract

Genotype-to-phenotype mapping commonly focuses on two major classes of mutations: single nucleotide polymorphisms (SNPs) and copy number variation (CNV). Here, we discuss an underestimated third class of genotypic variation: changes in microsatellite and minisatellite repeats. Such tandem repeats (TRs) are ubiquitous, unstable genomic elements that have historically been designated as nonfunctional "junk DNA" and are therefore mostly ignored in comparative genomics. However, as many as 10% to 20% of eukaryotic genes and promoters contain an unstable repeat tract. Mutations in these repeats often have fascinating phenotypic consequences. For example, changes in unstable repeats located in or near human genes can lead to neurodegenerative diseases such as Huntington disease. Apart from their role in disease, variable repeats also confer useful phenotypic variability, including cell surface variability, plasticity in skeletal morphology, and tuning of the circadian rhythm. As such, TRs combine characteristics of genetic and epigenetic changes that may facilitate organismal evolvability.

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  • This functional diversity of cell surface antigens has been proposed to allow rapid adaptation to the environment as well as evasion of the host immune system in fungi and other pathogens.

    “This functional diversity of cell surface antigens has been proposed to allow rapid adaptation to the environment as well as evasion of the host immune system in fungi and other pathogens (Gemayel et al., 2010).”

    From The evolution of drug resistance in clinical isolates of Candida albicans. (2015) · cites this paper as Gemayel et al., 2010

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Authors
Gemayel, R., Vinces, M. D., Legendre, M., & Verstrepen, K. J.
Affiliations
  • Vlaams Instituut voor Biotechnologie (BE)
  • Centre National de la Recherche Scientifique (FR)
Corresponding author
  • Gemayel, Rita
  • Vinces, Marcelo D.
Venue
Annual Review of Genetics
Published
2010-12-01
Volume
44
Issue
1
Pages
445-477
ISSN
  • 0066-4197 (ISSN-L)
  • 1545-2948
OpenAlex
W2149459456
Cited by
633
References
152
Citations by year
2026: 24 · 2025: 35 · 2024: 39 · 2023: 36 · 2022: 35 · 2021: 40 · 2020: 37 · 2019: 40 · 2018: 45 · 2017: 31 · 2016: 48 · 2015: 54 · 2014: 54 · 2013: 48 · 2012: 45
FWCI
3.54
Type
journal article
Language
en
Open access
Licence
other-oa
Locations
  • Annual Review of Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • Lirias (KU Leuven) (submittedVersion, other-oa)
Funders
  • Fonds Wetenschappelijk Onderzoek
  • National Institutes of Health
  • National Institute of General Medical Sciences (P50GM068763)
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Chromosomal and Genetic Variations
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
Keywords
microsatellite markers, minisatellites, repeat instability, genotype-phenotype mapping, copy number variation, single nucleotide polymorphisms, regulatory sequence evolution, epigenetic variation, neurodegenerative diseases, Huntington's disease, circadian rhythm, evolvability, junk DNA
MeSH terms
Animals, Humans, Regulatory Sequences, Nucleic Acid, Minisatellite Repeats, Microsatellite Repeats, Evolution, Molecular, Neurodegenerative Diseases

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