Cited by 84Genomics and Chromatin DynamicsBioinformatics and Genomic NetworksChromosomal and Genetic Variations

Functional gene groups are concentrated within chromosomes, among chromosomes and in the nuclear space of the human genome

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Thévenin, Annelyse, Ein-Dor, Liat, Ozery-Flato, Michal, Shamir, Ron·2014·Nucleic Acids Research

Abstract

Genomes undergo changes in organization as a result of gene duplications, chromosomal rearrangements and local mutations, among other mechanisms. In contrast to prokaryotes, in which genes of a common function are often organized in operons and reside contiguously along the genome, most eukaryotes show much weaker clustering of genes by function, except for few concrete functional groups. We set out to check systematically if there is a relation between gene function and gene organization in the human genome. We test this question for three types of functional groups: pairs of interacting proteins, complexes and pathways. We find a significant concentration of functional groups both in terms of their distance within the same chromosome and in terms of their dispersal over several chromosomes. Moreover, using Hi-C contact map of the tendency of chromosomal segments to appear close in the 3D space of the nucleus, we show that members of the same functional group that reside on distinct chromosomes tend to co-localize in space. The result holds for all three types of functional groups that we tested. Hence, the human genome shows substantial concentration of functional groups within chromosomes and across chromosomes in space.

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  • Genetic architecture of Alzheimer's disease

    Neuner, S. M., TCW, J., & Goate, A. M. (2020) · Neurobiology of Disease · doi:10.1016/j.nbd.2020.104976 · Cited by 126 · see citing works

    “Interestingly, there is evidence that groups of genes close together in chromosomal space function in similar biological pathways (Thevenin et al., 2014), suggesting this approach may be valid to identify overall pathways and functions perturbed by GWAS variants, although the specific genes investigated may not be dir…”
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Authors
Thévenin, A., Ein-Dor, L., Ozery-Flato, M., & Shamir, R.
Affiliations
  • Bielefeld University (DE)
  • Blavatnik School of Computer Science, Tel Aviv University, Tel Aviv 69978, Israel
  • Tel Aviv University (IL)
  • IBM Research—Haifa, Mount Carmel, Haifa 3498825, Israel
Venue
Nucleic Acids Research
Published
2014-07-23
Volume
42
Issue
15
Pages
9854-9861
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W2097444625
Cited by
84
References
48
Citations by year
2026: 2 · 2025: 3 · 2024: 3 · 2023: 5 · 2022: 4 · 2021: 10 · 2020: 7 · 2019: 10 · 2018: 11 · 2017: 11 · 2016: 5 · 2015: 11 · 2014: 1
FWCI
3.83
Type
journal article
Language
en
Open access
Locations
  • Nucleic Acids Research (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Alexander von Humboldt-Stiftung
  • University of Pennsylvania
  • University of Missouri
  • Tel Aviv University
  • Universität Bielefeld
  • Israeli Centers for Research Excellence (41/11)
  • Planning and Budgeting Committee of the Council for Higher Education of Israel (41/11)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Bioinformatics and Genomic Networks
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Chromosomal and Genetic Variations
Keywords
human genome organization, chromosome organization, 3D nuclear architecture, Hi-C contact maps, protein complexes, biological pathways, genetic colocalization, gene duplication, chromosomal rearrangements
MeSH terms
Cell Nucleus, Chromosomes, Human, Genes, Humans, Genome, Human, Protein Interaction Mapping, Intranuclear Space

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