Cited by 314Genomics and Chromatin DynamicsNuclear Structure and FunctionEpigenetics and DNA Methylation

Heterochromatin Effects on the Frequency and Duration of LCR-Mediated Gene Transcription

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Milot, Eric, Strouboulis, John, Trimborn, Tolleiv, Wijgerde, Mark, de Boer, Ernie, Langeveld, An, Tan-Un, Kian, Vergeer, Wilma +3 more·1996·Cell

Abstract

Locus control regions (LCRs) are responsible for initiating and maintaining a stable tissue-specific open chromatin structure of a locus. In transgenic mice, LCRs confer high level expression on linked genes independent of position in the mouse genome. Here we show that an incomplete LCR loses this property when integrated into heterochromatic regions. Two disruption mechanisms were observed. One is classical position-effect variegation, resulting in continuous transcription in a clonal subpopulation of cells. The other is a novel mechanism resulting in intermittent gene transcription in all cells. We conclude that only a complete LCR fully overcomes heterochromatin silencing and that it controls the level of transcription by ensuring activity in all cells at all times rather than directly controlling the rate of transcription.

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Authors
Milot, E., Strouboulis, J., Trimborn, T., Wijgerde, M., de Boer, E., Langeveld, A., Tan-Un, K., Vergeer, W., Yannoutsos, N., Grosveld, F., & Fraser, P.
Affiliations
  • National Institute for Medical Research (GB)
  • Erasmus MC (NL)
Corresponding author
Grosveld, Frank
Venue
Cell
Publisher
Elsevier BV
Published
1996-10
Volume
87
Issue
1
Pages
105-114
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2151390187
Cited by
314
References
42
Citations by year
2025: 2 · 2024: 4 · 2023: 2 · 2021: 1 · 2019: 3 · 2018: 2 · 2017: 2 · 2016: 4 · 2015: 3 · 2014: 2 · 2013: 6 · 2012: 8
FWCI
13.11
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • RePub (Erasmus University Rotterdam) (submittedVersion, other-oa)
  • The HKU Scholars Hub (University of Hong Kong) (submittedVersion)
  • RePub (Erasmus University Rotterdam) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Nuclear Structure and Function
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
locus control region, heterochromatin, position effect variegation, gene transcription, transcriptional silencing, tissue-specific gene expression, open chromatin, transgenic mice
MeSH terms
Animals, Centromere, Chromosome Mapping, Deoxyribonuclease I, Erythrocytes, Gene Expression Regulation, Globins, Heterochromatin, Humans, Mice, Transgenic, Regulatory Sequences, Nucleic Acid, RNA, Messenger, Time Factors, Transcription, Genetic, Deoxyribonucleases, Type II Site-Specific, Single-Strand Specific DNA and RNA Endonucleases, Sequence Deletion, Gene Dosage, Transgenes, Mice

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