Evidence map›Paper›PMID 22396664›Full record

ArticlePLoS genetics2012

Cell size and the initiation of DNA replication in bacteria.

Norbert S Hill, Ryosuke Kadoya, Dhruba K Chattoraj, Petra Anne Levin

Open access · goldAbstract read
In one paragraph

Article in PLoS genetics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 93 papers.

0numbers the graph read from it
0cells of the map it votes in
93citing papers in PubMed
9.9field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

93 citing papers in PubMed, 152 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Review
  8. Relative Distribution of DnaA and DNA inInternational journal of molecular sciences · 2025
    Article
  9. Article
  10. Review
  11. Regulatory elements coordinating initiation of chromosome replication to theProceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  12. Article
  13. Fifty-Five Years of Research onLife (Basel, Switzerland) · 2023
    Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Review
  20. Article

33 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

4 authors at 3 institutions in 1 country.

Norbert S HillDepartment of Biology, Washington University in St. Louis, St. Louis, Missouri, United States of America.
Ryosuke Kadoya
Dhruba K Chattoraj
Petra Anne Levin
Washington University in St. Louis · USCenter for Cancer Research · USNational Institutes of Health · US

Funding

Mechanisms of Chromosome Maintenance in BacteriaZIABC010277 · NCI · DIVISION OF BASIC SCIENCES - NCI · PI CHATTORAJ, DHRUBA K · 2009 to 2021
$10.4M
TEMPORAL AND SPATIAL CONTROL OF B SUBTILIS CYTOKINESISR01GM064671 · NIGMS · WASHINGTON UNIVERSITY · PI LEVIN, PETRA ANNE · 2002 to 2016
$3.9M
Intramural NIH HHSNIGMS NIH HHS GM64671NIGMS NIH HHS R01 GM064671
6 · The paper itself

Abstract

In eukaryotes, DNA replication is coupled to the cell cycle through the actions of cyclin-dependent kinases and associated factors. In bacteria, the prevailing view, based primarily from work in Escherichia coli, is that growth-dependent accumulation of the highly conserved initiator, DnaA, triggers initiation. However, the timing of initiation is unchanged in Bacillus subtilis mutants that are ~30% smaller than wild-type cells, indicating that achievement of a particular cell size is not obligatory for initiation. Prompted by this finding, we re-examined the link between cell size and initiation in both E. coli and B. subtilis. Although changes in DNA replication have been shown to alter both E. coli and B. subtilis cell size, the converse (the effect of cell size on DNA replication) has not been explored. Here, we report that the mechanisms responsible for coordinating DNA replication with cell size vary between these two model organisms. In contrast to B. subtilis, small E. coli mutants delayed replication initiation until they achieved the size at which wild-type cells initiate. Modest increases in DnaA alleviated the delay, supporting the view that growth-dependent accumulation of DnaA is the trigger for replication initiation in E. coli. Significantly, although small E. coli and B. subtilis cells both maintained wild-type concentration of DnaA, only the E. coli mutants failed to initiate on time. Thus, rather than the concentration, the total amount of DnaA appears to be more important for initiation timing in E. coli. The difference in behavior of the two bacteria appears to lie in the mechanisms that control the activity of DnaA.

Indexed as

Cell SizeDNA Replication TimingBacillus subtilisBacterial ProteinsDNA-Binding ProteinsDNA ReplicationEscherichia coliMutationBacterial ProteinsDnaA protein, BacteriaDNA-Binding Proteins

Identifiers

PMID22396664
PMCPMC3291569
OpenAlexW2165136007

What OpenQuestion holds

Textmetadata
LicenceCC0
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.