Cited by 376Genomics and Chromatin DynamicsChromosomal and Genetic VariationsChromatin Remodeling and Cancer

The DOI matches its Crossref record; 57 of the 57 references it cites were found in a registry or an index.

Highly rearranged chromosomes reveal uncoupling between genome topology and gene expression

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Abstract

Chromatin topology is intricately linked to gene expression, yet its functional requirement remains unclear. Here, we comprehensively assessed the interplay between genome topology and gene expression using highly rearranged chromosomes (balancers) spanning ~75% of the Drosophila genome. Using transheterozyte (balancer/wild-type) embryos, we measured allele-specific changes in topology and gene expression in cis, while minimizing trans effects. Through genome sequencing, we resolved eight large nested inversions, smaller inversions, duplications and thousands of deletions. These extensive rearrangements caused many changes to chromatin topology, disrupting long-range loops, topologically associating domains (TADs) and promoter interactions, yet these are not predictive of changes in expression. Gene expression is generally not altered around inversion breakpoints, indicating that mis-appropriate enhancer-promoter activation is a rare event. Similarly, shuffling or fusing TADs, changing intra-TAD connections and disrupting long-range inter-TAD loops does not alter expression for the majority of genes. Our results suggest that properties other than chromatin topology ensure productive enhancer-promoter interactions.

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  1. Oster, I. I. A new crossing-over suppressor in chromosome 2 effective in the presence of heterologous inversions. Drosophila Inform. Serv. 30, 145 (1956).
  2. Tinderholt, V. New mutants report. Drosophila Inform. Serv. 34, 53–54 (1960).
  3. Li, H. Aligning sequence reads, clone sequences and assembly contigs with BWA-MEM. Preprint at https://arxiv.org/abs/1303.3997 (2013). · arXiv
  4. Garrison, E. & Marth, G. Haplotype-based variant detection from short-read sequencing. Preprint at https://arxiv.org/abs/1207.3907 (2012). · arXiv

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Metadata

Authors
Ghavi-Helm, Y., Jankowski, A., Meiers, S., Viales, R. R., Korbel, J. O., & Furlong, E. E. M.
Affiliations
  • Lyon 1 Université (FR)
  • European Molecular Biology Laboratory (DE)
Corresponding author
  • Ghavi-Helm, Yad
  • Korbel, Jan O.
  • Furlong, Eileen E. M.
Venue
Nature Genetics
Published
2019-07-15
Volume
51
Issue
8
Pages
1272-1282
ISSN
  • 1061-4036 (ISSN-L)
  • 1546-1718
OpenAlex
W2958578938
Cited by
354
References
57
Citations by year
2026: 16 · 2025: 33 · 2024: 41 · 2023: 54 · 2022: 60 · 2021: 74 · 2020: 56 · 2019: 19
FWCI
17.94
Type
journal article
Language
en
Open access
Locations
  • Nature Genetics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion)
Funders
Nature
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Chromosomal and Genetic Variations
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
chromatin topology, gene expression, balancer chromosomes, chromosomal inversions, topologically associating domains, enhancer-promoter interactions, cis effect, Drosophila, chromosomal duplication, chromosomal deletion
MeSH terms
Animals, Chromatin, Chromosome Mapping, Drosophila melanogaster, Enhancer Elements, Genetic, Female, Gene Expression Regulation, Male, Promoter Regions, Genetic, Gene Rearrangement, Genome, Insect, Chromosomes, Insect

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