title: Helicases that underpin replication of protein-bound DNA in Escherichia coli.
abstract: A pre-requisite for successful cell division in any organism is synthesis of an accurate copy of the genetic information needed for survival. This copying process is a mammoth task, given the amount of DNA that must be duplicated, but potential blocks to replication fork movement also pose a challenge for genome duplication. Damage to the template inhibits the replication machinery but proteins bound to the template such as RNA polymerases also present barriers to replication. This review discusses recent results from Escherichia coli that shed light on the roles of helicases in overcoming protein-DNA barriers to replication and that may illustrate fundamental aspects of how duplication of protein-bound DNA is underpinned in all organisms.
authors.affiliation: Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK. p.mcglynn@abdn.ac.uk
authors.forename: Peter
authors.initials: P
authors.lastname: McGlynn
mesh_terms: D000818:Animals; D004247:DNA / Q000378:metabolism*; D004265:DNA Helicases / Q000378:metabolism / Q000502:physiology*; D004261:DNA Replication / Q000502:physiology*; D004268:DNA-Binding Proteins / Q000378:metabolism* / Q000502:physiology; D053488:DnaB Helicases / Q000378:metabolism / Q000502:physiology; D004926:Escherichia coli / Q000235:genetics* / Q000378:metabolism / Q000502:physiology; D029968:Escherichia coli Proteins / Q000378:metabolism / Q000502:physiology; D006801:Humans; D008954:Models, Biological; D021381:Protein Transport / Q000502:physiology; D015534:Trans-Activators / Q000378:metabolism / Q000502:physiology
chemical_list: D004268:DNA-Binding Proteins; D029968:Escherichia coli Proteins; C512429:Rep 35-kDa protein, E coli; D015534:Trans-Activators; D004247:DNA; C506746:UvrD protein, E coli; C506730:dnaB protein, E coli; D004265:DNA Helicases; D053488:DnaB Helicases