Cited by 765Muscle Physiology and DisordersGenomics and Chromatin DynamicsDevelopmental Biology and Gene Regulation

The MyoD DNA binding domain contains a recognition code for muscle-specific gene activation

Davis, Robert L., Cheng, Pei-Feng, Lassar, Andrew B., Weintraub, Harold·1990·Cell

Abstract

A 60 amino acid domain of the myogenic determination gene MyoD is necessary and sufficient for sequence-specific DNA binding in vitro and myogenic conversion of transfected C3H10T1/2 cells. We show that a highly basic region, immediately upstream of the helix-loop-helix (HLH) oligomerization motif, is required for MyoD DNA binding in vitro. Replacing helix1, helix2, or the loop of MyoD with the analogous sequence of the Drosophila T4 achaete-scute protein (required for peripheral neurogenesis) has no substantial effect on DNA binding in vitro or muscle-specific gene activation in transfected C3H10T1/2 cells. However, replacing the basic region of MyoD with the analogous sequence of other HLH proteins (the immunoglobulin enhancer binding E12 protein or T4 achaete scute protein) allows DNA binding in vitro, yet abolishes muscle-specific gene activation. These findings suggest that a recognition code that determines muscle-specific gene activation lies within the MyoD basic region and that the capacity for specific DNA binding is insufficient to activate the muscle program.

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Crossref · 10.1016/0092-8674(90)90088-v

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Authors
Davis, R. L., Cheng, P.-F., Lassar, A. B., & Weintraub, H.
Affiliations
  • University of Washington (US)
  • Fred Hutch Cancer Center (US)
Venue
Cell
Publisher
Elsevier BV
Published
1990-03
Volume
60
Issue
5
Pages
733-746
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2078709292
Cited by
765
References
52
Citations by year
2026: 2 · 2024: 3 · 2023: 1 · 2022: 4 · 2021: 4 · 2020: 4 · 2019: 3 · 2018: 3 · 2017: 7 · 2016: 9 · 2015: 5 · 2014: 5 · 2013: 8 · 2012: 12
FWCI
45.35
Type
journal article
Language
en
Open access
closed
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Muscle Physiology and Disorders
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
Keywords
MyoD, DNA-binding domain, helix-loop-helix proteins, basic region, E12, C3H10T1/2 cells, sequence-specific DNA binding, transcriptional activation
MeSH terms
Amino Acid Sequence, Animals, Base Sequence, Cell Differentiation, Cells, Cultured, Chromosome Deletion, DNA, Enhancer Elements, Genetic, Gene Expression Regulation, Genes, Models, Molecular, Molecular Sequence Data, Muscle Proteins, Muscles, Protein Conformation, Transfection, Oligonucleotide Probes, Transcriptional Activation, MyoD Protein, Mice

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