Cited by 224Bacterial Genetics and BiotechnologyDNA Repair MechanismsFungal and yeast genetics research

Identity and function of a large gene network underlying mutagenic repair of DNA breaks

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Al Mamun, Abu Amar M., Lombardo, Mary-Jane, Shee, Chandan, Lisewski, Andreas M., Gonzalez, Caleb, Lin, Dongxu, Nehring, Ralf B., Saint-Ruf, Claude +5 more·2012·Science

Abstract

Mechanisms of DNA repair and mutagenesis are defined on the basis of relatively few proteins acting on DNA, yet the identities and functions of all proteins required are unknown. Here, we identify the network that underlies mutagenic repair of DNA breaks in stressed Escherichia coli and define functions for much of it. Using a comprehensive screen, we identified a network of ≥93 genes that function in mutation. Most operate upstream of activation of three required stress responses (RpoS, RpoE, and SOS, key network hubs), apparently sensing stress. The results reveal how a network integrates mutagenic repair into the biology of the cell, show specific pathways of environmental sensing, demonstrate the centrality of stress responses, and imply that these responses are attractive as potential drug targets for blocking the evolution of pathogens.

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  • Research on carbon-starved E. coli populations has shown that stress responses are required for the mutagenic repair of DNA breaks.

    “Research on carbon-starved E. coli populations has shown that stress responses are required for the mutagenic repair of DNA breaks [75].”

    From DNA Data Storage. (2023) · cites this paper as [75]

  • These data support previous work showing that increases in the mutation rate following DNA damage are due to the action of specific repair machinery, rather than the DNA damage itself.

    “These data support previous work showing that increases in the mutation rate following DNA damage are due to the action of specific repair machinery, rather than the DNA damage itself (57–60).”

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Authors
Al Mamun, A. A. M., Lombardo, M.-J., Shee, C., Lisewski, A. M., Gonzalez, C., Lin, D., Nehring, R. B., Saint-Ruf, C., Gibson, J. L., Frisch, R. L., Lichtarge, O., Hastings, P. J., & Rosenberg, S. M.
Affiliations
  • Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030–3411, USA.
  • Baylor College of Medicine (US)
  • U1001 INSERM, Université Paris, Descartes, Sorbonne Paris cité, site Necker, 156 rue de Vaugirard, 75730 Paris Cedex 15, France.
Corresponding author
  • Lombardo, Mary-Jane
  • Shee, Chandan
  • Rosenberg, Susan M.
Venue
Science
Published
2012-12-07
Volume
338
Issue
6112
Pages
1344-1348
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2048699088
Cited by
224
References
133
Citations by year
2026: 8 · 2025: 9 · 2024: 15 · 2023: 22 · 2022: 10 · 2021: 10 · 2020: 15 · 2019: 17 · 2018: 11 · 2017: 27 · 2016: 22 · 2015: 20 · 2014: 21 · 2013: 17
FWCI
11.14
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • HAL (submittedVersion)
Funders
  • National Cancer Institute (DP1CA174424)
  • National Institute of General Medical Sciences (GM66099, F32GM019909, F32-GM19909, R01GM53158, R01GM064022, R25GM056929, R01GM066099, R01GM053158, R01GM079656, F32GM095267, R01-GM64022, GM79656)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Bacterial Genetics and Biotechnology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
Keywords
DNA repair, mutagenesis, DNA strand breaks, Escherichia coli, gene networks, RpoS, RpoE, SOS response, stress response, environmental sensing, therapeutic target, pathogen evolution
MeSH terms
Bacterial Proteins, DNA Repair, Escherichia coli, Sigma Factor, SOS Response, Genetics, Stress, Physiological, Gene Expression Regulation, Bacterial, Mutagenesis, Gene Regulatory Networks, DNA Breaks, Double-Stranded

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