Evidence map›Paper›PMID 12867439›Full record

ArticleJournal of bacteriology2003

PlmA, a new member of the GntR family, has plasmid maintenance functions in Anabaena sp. strain PCC 7120.

Martin H Lee, Michael Scherer, Sébastien Rigali, James W Golden

Open access · greenAbstract read
In one paragraph

Article in Journal of bacteriology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing papers in PubMed
2.2field-weighted citation impact, top 13% 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

37 citing papers in PubMed, 64 citations in OpenAlex.

  1. Article
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  3. Biology · 2021
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  5. Review
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  8. Review
  9. The GntR family transcriptional regulator PMM1637 regulates the highly conserved cyanobacterial sRNA Yfr2 in marine picocyanobacteria.DNA research : an international journal for rapid publication of reports on genes and genomes · 2018
    Article
  10. Article
  11. The PFrontiers in molecular biosciences · 2018
    Review
  12. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 2 institutions in 2 countries.

Martin H LeeDepartment of Biology, Texas A&M University, College Station, Texas 77843-3258, USA.
Michael Scherer
Sébastien Rigali
James W Golden
Texas A&M University · USUniversity of Liège · BE

Funding

The Circadian Clock in the Context of the Cyanobacterial CellP01NS039546 · NINDS · TEXAS A&M UNIVERSITY SYSTEM · PI THOMAS, TERRY L · 2000 to 2010
$10.6M
Regulation of Cyanobacterial Multicellular DevelopmentR01GM036890 · NIGMS · TEXAS A&M UNIVERSITY SYSTEM · PI GOLDEN, JAMES WILLIAM · 1986 to 2007
$2.0M
NIGMS NIH HHS GM36890NIGMS NIH HHS R01 GM036890NINDS NIH HHS P01 NS039546
6 · The paper itself

Abstract

The filamentous cyanobacterium Anabaena (Nostoc) sp. strain PCC 7120 maintains a genome that is divided into a 6.4-Mb chromosome, three large plasmids of more that 100 kb, two medium-sized plasmids of 55 and 40 kb, and a 5.5-kb plasmid. Plasmid copy number can be dynamic in some cyanobacterial species, and the genes that regulate this process have not been characterized. Here we show that mutations in an open reading frame, all1076, reduce the numbers of copies per chromosome of several plasmids. In a mutant strain, plasmids pCC7120delta and pCC7120zeta are both reduced to less than 50% of their wild-type levels. The exogenous pDU1-based plasmid pAM1691 is reduced to less than 25% of its wild-type level, and the plasmid is rapidly lost. The peptide encoded by all1076 shows similarity to members of the GntR family of transcriptional regulators. Phylogenetic analysis reveals a new domain topology within the GntR family. PlmA homologs, all coming from cyanobacterial species, form a new subfamily that is distinct from the previously identified subfamilies. The all1076 locus, named plmA, regulates plasmid maintenance functions in Anabaena sp. strain PCC 7120.

Indexed as

Gene Expression Regulation, BacterialAnabaenaBacterial ProteinsCulture MediaDNA-Binding ProteinsEscherichia coli ProteinsGene DosageGenes, BacterialGlutamate-Ammonia LigaseMutationPhylogenyPlasmidsPolymerase Chain ReactionRepressor ProteinsTranscription FactorsBacterial ProteinsCulture MediaDNA-Binding ProteinsEscherichia coli ProteinsGlutamate-Ammonia Ligaseglutamine synthetase IGntR protein, E coliPatS protein, AnabaenaRepressor ProteinsTranscription Factors

Identifiers

PMID12867439
PMCPMC165748
OpenAlexW2121540678

What OpenQuestion holds

Textmetadata
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.