Limiting DNA replication to once and only once
Publikation: Bidrag til tidsskrift › Review › Forskning › fagfællebedømt
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Limiting DNA replication to once and only once. / Boye, Erik; Løbner-Olesen, Anders; Skarstad, Kirsten.
I: EMBO Reports, Bind 1, Nr. 6, 12.2000, s. 479-483.Publikation: Bidrag til tidsskrift › Review › Forskning › fagfællebedømt
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TY - JOUR
T1 - Limiting DNA replication to once and only once
AU - Boye, Erik
AU - Løbner-Olesen, Anders
AU - Skarstad, Kirsten
PY - 2000/12
Y1 - 2000/12
N2 - In Escherichia coli cells, the origin of chromosomal replication is temporarily inactivated after initiation has occurred. Origin sequestration is the first line of defence against over-initiation, providing a time window during which the initiation potential can be reduced by: (i) titration of DnaA proteins to newly replicated chromosomal elements; (ii) regulation of the activity of the DnaA initiator protein; and (iii) sequestration of the dnaA gene promoter. This review represents the first attempt to consider together older and more recent data on such inactivation mechanisms in order to analyze their contributions to the overall tight replication control observed in vivo. All cells have developed mechanisms for origin inactivation, but those of other bacteria and eukaryotic cells are clearly distinct from those of E. coli. Possible differences and similarities are discussed.
AB - In Escherichia coli cells, the origin of chromosomal replication is temporarily inactivated after initiation has occurred. Origin sequestration is the first line of defence against over-initiation, providing a time window during which the initiation potential can be reduced by: (i) titration of DnaA proteins to newly replicated chromosomal elements; (ii) regulation of the activity of the DnaA initiator protein; and (iii) sequestration of the dnaA gene promoter. This review represents the first attempt to consider together older and more recent data on such inactivation mechanisms in order to analyze their contributions to the overall tight replication control observed in vivo. All cells have developed mechanisms for origin inactivation, but those of other bacteria and eukaryotic cells are clearly distinct from those of E. coli. Possible differences and similarities are discussed.
KW - Bacterial Proteins/genetics
KW - Chromosomes/metabolism
KW - DNA Methylation
KW - DNA Replication
KW - DNA-Binding Proteins/genetics
KW - Escherichia coli/genetics
KW - Eukaryotic Cells/metabolism
KW - Models, Genetic
KW - Promoter Regions, Genetic
U2 - 10.1093/embo-reports/kvd116
DO - 10.1093/embo-reports/kvd116
M3 - Review
C2 - 11263490
VL - 1
SP - 479
EP - 483
JO - E M B O Reports
JF - E M B O Reports
SN - 1469-221X
IS - 6
ER -
ID: 200972320