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Transcription as a Threat to Genome Integrity


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Author: Gaillard, Hélène
Aguilera López, Andrés
Department: Universidad de Sevilla. Departamento de Genética
Date: 2016
Published in: Annual Review of Biochemistry, 85, 291-317.
Document type: Article
Abstract: Genomes undergo different types of sporadic alterations, including DNA damage, point mutations, and genome rearrangements, that constitute the basis for evolution. However, these changes may occur at high levels as a result of cell pathology and trigger genome instability, a hallmark of cancer and a number of genetic diseases. In the last two decades, evidence has accumulated that transcription constitutes an important natural source of DNA metabolic errors that can compromise the integrity of the genome. Transcription can create the conditions for high levels of mutations and recombination by its ability to open the DNA structure and remodel chromatin, making it more accessible to DNA insulting agents, and by its ability to become a barrier to DNA replication. Here we review the molecular basis of such events from a mechanistic perspective with particular emphasis on the role of transcription as a genome instability determinant.
Cite: Gaillard, H. y Aguilera López, A. (2016). Transcription as a Threat to Genome Integrity. Annual Review of Biochemistry, 85, 291-317.
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Format: PDF


DOI: 10.1146/annurev-biochem-060815-014908

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