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Annual Review of Microbiology

Volume 72, 2018

The Clash of Macromolecular Titans: Replication-Transcription Conflicts in Bacteria

Abstract

Within the last decade, it has become clear that DNA replication and transcription are routinely in conflict with each other in growing cells. Much of the seminal work on this topic has been carried out in bacteria, specifically, and ; therefore, studies of conflicts in these species deserve special attention. Collectively, the recent findings on conflicts have fundamentally changed the way we think about DNA replication in vivo. Furthermore, new insights on this topic have revealed that the conflicts between replication and transcription significantly influence many key parameters of cellular function, including genome organization, mutagenesis, and evolution of stress response and virulence genes. In this review, we discuss the consequences of replication-transcription conflicts on the life of bacteria and describe some key strategies cells use to resolve them. We put special emphasis on two critical aspects of these encounters: () the consequences of conflicts on replisome stability and dynamics, and () the resulting increase in spontaneous mutagenesis.

Keyword(s): DNA replication, transcription, replication-transcription conflicts
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2018-09-08
2024-04-19
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The Clash of Macromolecular Titans: Replication-Transcription Conflicts in Bacteria
Annual Review of Microbiology 72, 71 (2018); https://doi.org/10.1146/annurev-micro-090817-062514
/content/journals/10.1146/annurev-micro-090817-062514
/content/journals/10.1146/annurev-micro-090817-062514
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