Evidence map›Paper›PMID 18469100›Full record

ArticleJournal of bacteriology2008

VirB3 to VirB6 and VirB8 to VirB11, but not VirB7, are essential for mediating persistence of Brucella in the reticuloendothelial system.

Andreas B den Hartigh, Hortensia G Rolán, Maarten F de Jong, Renée M Tsolis

Open access · greenAbstract read
In one paragraph

Article in Journal of bacteriology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
7.7field-weighted citation impact, top 2% 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

42 citing papers in PubMed, 82 citations in OpenAlex.

  1. ThemicroLife · 2025
    Review
  2. Article
  3. The VirB System Plays a Crucial Role inInternational journal of molecular sciences · 2021
    Review
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. The Intracellular Life Cycle ofMicrobiology spectrum · 2019
    Review
  10. Transcriptomic Analysis of theFrontiers in microbiology · 2019
    Article
  11. Infection and immunity · 2019
    Article
  12. Review
  13. Detection of virulence-associated genes inOpen veterinary journal · 2018
    Article
  14. Article
  15. Article
  16. Systems Biology Analysis of TemporalFrontiers in microbiology · 2017
    Article
  17. Article
  18. Article
  19. Review
  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 1 institution in 1 country.

Andreas B den HartighUniversity of California, Davis, Department of Medical Microbiology and Immunology, Davis, CA 95616, USA.
Hortensia G Rolán
Maarten F de Jong
Renée M Tsolis
University of California, Davis · US

Funding

Characterization of the Brucella virB locusR01AI050553 · NIAID · UNIVERSITY OF CALIFORNIA DAVIS · PI TSOLIS, RENEE M · 2001 to 2010
$2.9M
NIAID NIH HHS AI050553NIAID NIH HHS R01 AI050553
6 · The paper itself

Abstract

The Brucella abortus virB locus contains 12 open reading frames, termed virB1 through virB12, which encode a type IV secretion system. Polar mutations in the virB locus markedly reduce the ability of B. abortus to survive in cultured macrophages or to persist in organs of mice. While a nonpolar deletion of the virB2 gene reduces survival in cultured macrophages and in organs of mice, a nonpolar deletion of virB1 only reduces survival in macrophages, whereas virB12 is dispensable for either virulence trait. Here we investigated the role of the remaining genes in the virB locus during survival in macrophages and virulence in mice. Mutants carrying nonpolar deletions of the virB3, virB4, virB5, virB6, virB7, virB8, virB9, virB10, or virB11 gene were constructed and characterized. All mutations reduced the ability of B. abortus to survive in J774A.1 mouse macrophage-like cells to a degree similar to that caused by a deletion of the entire virB locus. Deletion of virB3, virB4, virB5, virB6, virB8, virB9, virB10, or virB11 markedly reduced the ability of B. abortus to persist in the spleens of mice at 8 weeks after infection. Interestingly, deletion of virB7 did not reduce the ability of B. abortus to persist in spleens of mice. We conclude that virB2, virB3, virB4, virB5, virB6, virB8, virB9, virB10, and virB11 are essential for virulence of B. abortus in mice, while functions encoded by the virB1, virB7, and virB12 genes are not required for persistence in organs with this animal model.

Indexed as

Gene Expression Regulation, BacterialAnimalsBacterial ProteinsBlotting, WesternBrucellaBrucella abortusCell LineFemaleGenes, BacterialMacrophagesMiceMice, Inbred BALB CMononuclear Phagocyte SystemMutationOperonReverse Transcriptase Polymerase Chain ReactionBacterial Proteins

Identifiers

PMID18469100
PMCPMC2446811
OpenAlexW2103069840

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.