Evidence map›Paper›PMID 23940369›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2013

Transcription termination controls prophage maintenance in Escherichia coli genomes.

Rachid Menouni, Stéphanie Champ, Leon Espinosa, Marc Boudvillain, Mireille Ansaldi

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
5.1field-weighted citation impact, top 5% 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

32 citing papers in PubMed, 47 citations in OpenAlex.

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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

5 authors at 3 institutions in 1 country.

Rachid MenouniLaboratoire de Chimie Bactérienne, Centre National de la Recherche Scientifique Unité Mixte de Recherche 7283, Institut de Microbiologie de la Méditerranée, Aix-Marseille Université, 13402 Marseille Cedex 20, France.
Stéphanie Champ
Leon Espinosa
Marc Boudvillain
Mireille Ansaldi
Laboratoire de Chimie Bactérienne · FRCentre National de la Recherche Scientifique · FRInstitut de Microbiologie de la Méditerranée · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Prophages represent a large fraction of prokaryotic genomes and often provide new functions to their hosts, in particular virulence and fitness. How prokaryotic cells maintain such gene providers is central for understanding bacterial genome evolution by horizontal transfer. Prophage excision occurs through site-specific recombination mediated by a prophage-encoded integrase. In addition, a recombination directionality factor (or excisionase) directs the reaction toward excision and prevents the phage genome from being reintegrated. In this work, we describe the role of the transcription termination factor Rho in prophage maintenance through control of the synthesis of transcripts that mediate recombination directionality factor expression and, thus, excisive recombination. We show that Rho inhibition by bicyclomycin allows for the expression of prophage genes that lead to excisive recombination. Thus, besides its role in the silencing of horizontally acquired genes, Rho also maintains lysogeny of defective and functional prophages.

Indexed as

Genome, BacterialTerminator Regions, GeneticTranscription, GeneticColiphagesEscherichia coliEscherichia coli ProteinsGene SilencingLysogenyProphagesReal-Time Polymerase Chain ReactionRecombination, GeneticEscherichia coli ProteinsTorI protein, E colibacteriophagetranscriptional regulationtransduction

Identifiers

PMID23940369
PMCPMC3761637
OpenAlexW2026155383

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.