期刊
ANNUAL REVIEW OF MICROBIOLOGY, VOL 72
卷 72, 期 -, 页码 71-88出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-micro-090817-062514
关键词
DNA replication; transcription; replication-transcription conflicts
资金
- NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES [T32AI055396] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [DP2GM110773] Funding Source: NIH RePORTER
- NIAID NIH HHS [T32 AI055396] Funding Source: Medline
- NIGMS NIH HHS [DP2 GM110773] Funding Source: Medline
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, Escherichia coli and Bacillus subtilis; 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: (a) the consequences of conflicts on replisome stability and dynamics, and (b) the resulting increase in spontaneous mutagenesis.
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