Cited by 224Chromosomal and Genetic VariationsDNA Repair MechanismsCRISPR and Genetic Engineering

Transposition of hAT elements links transposable elements and V(D)J recombination

Zhou, Liqin, Mitra, Rupak, Atkinson, Peter W., Burgess Hickman, Alison, Dyda, Fred, Craig, Nancy L.·2004·Nature

Abstract

Transposons are DNA sequences that encode functions that promote their movement to new locations in the genome. If unregulated, such movement could potentially insert additional DNA into genes, thereby disrupting gene expression and compromising an organism's viability. Transposable elements are classified by their transposition mechanisms and by the transposases that mediate their movement. The mechanism of movement of the eukaryotic hAT superfamily elements was previously unknown, but the divergent sequence of hAT transposases from other elements suggested that these elements might use a distinct mechanism. Here we have analysed transposition of the insect hAT element Hermes in vitro. Like other transposons, Hermes excises from DNA via double-strand breaks between the donor-site DNA and the transposon ends, and the newly exposed transposon ends join to the target DNA. Interestingly, the ends of the donor double-strand breaks form hairpin intermediates, as observed during V(D)J recombination, the process which underlies the combinatorial formation of antigen receptor genes. Significant similarities exist in the catalytic amino acids of Hermes transposase, the V(D)J recombinase RAG, and retroviral integrase superfamily transposases, thereby linking the movement of transposable elements and V(D)J recombination.

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Crossref · 10.1038/nature03157

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  • The distances between the second D and E residues are much longer in Transib transposons (206-214 aa) and RAG1 (253 aa) than in DDE TPases from other studied superfamilies.

    “This includes the distances between the second D and E residues, which are much longer in Transib transposons (206–214 aa) and RAG1 (253 aa) than in DDE TPases from other studied superfamilies (e.g., approximately 35-aa in Mariner/Tc1 [23], 2-aa in P [23], approximately 35-aa in Harbinger [24], with hAT as an exception (325-aa, [25]).”

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Authors
Zhou, L., Mitra, R., Atkinson, P. W., Burgess Hickman, A., Dyda, F., & Craig, N. L.
Affiliations
  • Howard Hughes Medical Institute (US)
  • University of California, Riverside (US)
  • National Institutes of Health (US)
Corresponding author
Craig, Nancy L.
Venue
Nature
Published
2004-12
Volume
432
Issue
7020
Pages
995-1001
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2071441005
Cited by
224
References
50
Citations by year
2026: 2 · 2025: 5 · 2024: 2 · 2023: 1 · 2022: 3 · 2021: 4 · 2020: 4 · 2019: 6 · 2018: 6 · 2017: 7 · 2016: 6 · 2015: 23 · 2014: 15 · 2013: 11 · 2012: 19
FWCI
20.37
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
Howard Hughes Medical Institute
Topics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Chromosomal and Genetic Variations
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › CRISPR and Genetic Engineering
Keywords
hAT transposons, transposition mechanism, V(D)J recombination, DNA double-strand breaks, transposon excision
MeSH terms
Animals, Base Sequence, Binding Sites, DNA, DNA Transposable Elements, Drosophila melanogaster, Nucleic Acid Conformation, Recombination, Genetic, Substrate Specificity, Gene Rearrangement, B-Lymphocyte, Homeodomain Proteins, Transposases

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