Evidence map›Paper›PMID 12374833›Full record

ArticleJournal of bacteriology2002

Surface diversity in Mycoplasma agalactiae is driven by site-specific DNA inversions within the vpma multigene locus.

Michelle D Glew, Marc Marenda, Renate Rosengarten, Christine Citti

Open access · greenAbstract read
In one paragraph

Article in Journal of bacteriology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
1.2field-weighted citation impact, top 22% 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

33 citing papers in PubMed, 51 citations in OpenAlex.

  1. Article
  2. Review
  3. Vaccines · 2024
    Review
  4. Review
  5. Serum Resistance ofPathogens (Basel, Switzerland) · 2022
    Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Review
  11. Molecular Mechanisms ofJournal of bacteriology · 2019
    Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Role of Vpma phase variation in Mycoplasma agalactiae pathogenesis.FEMS immunology and medical microbiology · 2012
    Article
  17. Article
  18. Article
  19. Article
  20. 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

4 authors at 2 institutions in 2 countries.

Michelle D GlewInstitute of Bacteriology, Mycology and Hygiene, University of Veterinary Medicine, 1210 Vienna, Austria.
Marc Marenda
Renate Rosengarten
Christine Citti
University of Veterinary Medicine Vienna · ATÉcole Nationale Vétérinaire de Toulouse · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The ruminant pathogen Mycoplasma agalactiae possesses a family of abundantly expressed variable surface lipoproteins called Vpmas. Phenotypic switches between Vpma members have previously been correlated with DNA rearrangements within a locus of vpma genes and are proposed to play an important role in disease pathogenesis. In this study, six vpma genes were characterized in the M. agalactiae type strain PG2. All vpma genes clustered within an 8-kb region and shared highly conserved 5' untranslated regions, lipoprotein signal sequences, and short N-terminal sequences. Analyses of the vpma loci from consecutive clonal isolates showed that vpma DNA rearrangements were site specific and that cleavage and strand exchange occurred within a minimal region of 21 bp located within the 5' untranslated region of all vpma genes. This process controlled expression of vpma genes by effectively linking the open reading frame (ORF) of a silent gene to a unique active promoter sequence within the locus. An ORF (xer1) immediately adjacent to one end of the vpma locus did not undergo rearrangement and had significant homology to a distinct subset of genes belonging to the lambda integrase family of site-specific xer recombinases. It is proposed that xer1 codes for a site-specific recombinase that is not involved in chromosome dimer resolution but rather is responsible for the observed vpma-specific recombination in M. agalactiae.

Indexed as

Chromosome InversionGene Expression Regulation, BacterialMultigene FamilyAmino Acid SequenceBacterial ProteinsBase SequenceDNA, BacterialDNA NucleotidyltransferasesLipoproteinsMembrane ProteinsMolecular Sequence DataMutagenesis, Site-DirectedMycoplasmaOpen Reading FramesPromoter Regions, GeneticRecombinasesBacterial ProteinsDNA, BacterialDNA NucleotidyltransferasesLipoproteinsMembrane ProteinsRecombinasesRNA, Transfer, Lys

Identifiers

PMID12374833
PMCPMC135373
OpenAlexW2142454155

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.