Cited by 178Genomics and Chromatin DynamicsEpigenetics and DNA MethylationChromosomal and Genetic Variations

The enhancer of position-effect variegation of Drosophila, E(var)3-93D, codes for a chromatin protein containing a conserved domain common to several transcriptional regulators.

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Dorn, R, Krauss, V, Reuter, G, Saumweber, H·1993·Proceedings of the National Academy of Sciences

Abstract

In Drosophila modifying mutations of position-effect variegation have been successfully used to genetically dissect chromatin components. The enhancer of position-effect variegation E(var)3-93D [formerly E-var(3)3] encodes proteins containing a domain common to the transcriptional regulators tramtrack and the products of the Broad complex. It interacts with a number of chromatin genes that suppress position-effect variegation. Mutations in E(var)3-93D exhibit an imprinting-like effect on the Y chromosome. This effect is transmitted paternally over several generations. Homeotic transformations in E(var)3-93D mutants indicate an involvement of the gene products in regulation of homeotic gene complexes. An antiserum raised against E(var)3-93D protein detects this chromosomal protein in a large subset of sites in polytene chromosomes. Our genetic and molecular data suggest that the proteins of E(var)3-93D are generally involved in establishing and/or maintaining an open chromatin conformation.

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Crossref · 10.1073/pnas.90.23.11376

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Authors
Dorn, R., Krauss, V, Reuter, G., & Saumweber, H.
Affiliations
Martin Luther University Halle-Wittenberg (DE)
Venue
Proceedings of the National Academy of Sciences
Published
1993-12
Volume
90
Issue
23
Pages
11376-11380
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2084940129
Cited by
178
References
20
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2021: 2 · 2020: 2 · 2017: 1 · 2016: 1 · 2015: 3 · 2014: 2 · 2013: 4 · 2012: 6
FWCI
4.38
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Chromosomal and Genetic Variations
Keywords
position effect variegation, chromatin proteins, Tramtrack, Broad-Complex, transcription factors, polytene chromosomes, Drosophila
MeSH terms
Amino Acid Sequence, Animals, Base Sequence, Chromatin, Cloning, Molecular, DNA Transposable Elements, Drosophila melanogaster, Enhancer Elements, Genetic, Gene Expression Regulation, Imprinting, Psychological, Molecular Sequence Data, RNA, Messenger, Transcription Factors, Genes, Insect

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