Evidence map›Paper›PMID 16952952›Full record

ArticleJournal of bacteriology2006

Intraspecific variability of the terminal inverted repeats of the linear chromosome of Streptomyces ambofaciens.

Frédéric Choulet, Alexandre Gallois, Bertrand Aigle, Sophie Mangenot, Claude Gerbaud, Chantal Truong, François-Xavier Francou, Frédéric Borges, Céline Fourrier, Michel Guérineau and 4 more

Open access · greenAbstract read
In one paragraph

Article in Journal of bacteriology, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
1.9field-weighted citation impact, top 14% 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

14 citing papers in PubMed, 23 citations in OpenAlex.

  1. Article
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  13. Genomics of Actinobacteria: tracing the evolutionary history of an ancient phylum.Microbiology and molecular biology reviews : MMBR · 2007
    Review
  14. Article
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

14 authors at 5 institutions in 1 country.

Frédéric ChouletLaboratoire de Génétique et Microbiologie, UMR INRA 1128, IFR 110, Faculté des Sciences et Techniques, Université Henri Poincaré - Nancy 1, Boulevard des Aiguillettes, BP239, 54506 Vandoeuvre-lès-Nancy, France.
Alexandre Gallois
Bertrand Aigle
Sophie Mangenot
Claude Gerbaud
Chantal Truong
François-Xavier Francou
Frédéric Borges
Céline Fourrier
Michel Guérineau
Bernard Decaris
Valérie Barbe
Jean-Luc Pernodet
Pierre Leblond
Laboratoire de Chimie Physique et Microbiologie pour l'Environnement · FRCentre National de la Recherche Scientifique · FRGenoscope · FRUniversité de Lorraine · FRUniversité Paris-Sud · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The sequences of the terminal inverted repeats (TIRs) ending the linear chromosomal DNA of two Streptomyces ambofaciens strains, ATCC23877 and DSM40697 (198 kb and 213 kb, respectively), were determined from two sets of recombinant cosmids. Among the 215 coding DNA sequences (CDSs) predicted in the TIRs of strain DSM40697, 65 are absent in the TIRs of strain ATCC23877. Reciprocally, 45 of the 194 predicted CDSs are specific to the ATCC23877 strain. The strain-specific CDSs are located mainly at the terminal end of the TIRs. Indeed, although TIRs appear almost identical over 150 kb (99% nucleotide identity), large regions of DNA of 60 kb (DSM40697) and 48 kb (ATCC23877), mostly spanning the ends of the chromosome, are strain specific. These regions are rich in plasmid-associated genes, including genes encoding putative conjugal transfer functions. The strain-specific regions also share a G+C content (68%) lower than that of the rest of the genome (from 71% to 73%), a percentage that is more typical of Streptomyces plasmids and mobile elements. These data suggest that exchanges of replicon extremities have occurred, thereby contributing to the terminal variability observed at the intraspecific level. In addition, the terminal regions include many mobile genetic element-related genes, pseudogenes, and genes related to adaptation. The results give insight into the mechanisms of evolution of the TIRs: integration of new information and/or loss of DNA fragments and subsequent homogenization of the two chromosomal extremities.

Indexed as

Genetic VariationSyntenyBase CompositionChromosomes, BacterialConjugation, GeneticDNA, BacterialDNA, ComplementaryGene LibraryMolecular Sequence DataOpen Reading FramesPlasmidsRecombination, GeneticSequence Analysis, DNAStreptomycesTerminal Repeat SequencesDNA, BacterialDNA, Complementary

Identifiers

PMID16952952
PMCPMC1595491
OpenAlexW2133141287

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.