Evidence map›Paper›PMID 17060468›Full record

ArticleInfection and immunity2007

Analysis of Bartonella adhesin A expression reveals differences between various B. henselae strains.

Tanja Riess, Günter Raddatz, Dirk Linke, Andrea Schäfer, Volkhard A J Kempf

Open access · greenAbstract readComparative Study
In one paragraph

Article in Infection and immunity, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
2.5field-weighted citation impact, top 11% 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

31 citing papers in PubMed, 67 citations in OpenAlex.

  1. Article
  2. Review
  3. Review
  4. Article
  5. Aptasensor for the Detection ofBioengineering (Basel, Switzerland) · 2023
    Article
  6. Limitations of Serological Diagnosis of Typical Cat Scratch Disease and Recommendations for the Diagnostic Procedure.The Canadian journal of infectious diseases & medical microbiology = Journal canadien des maladies infectieuses et de la microbiologie medicale · 2023
    Review
  7. Review
  8. Article
  9. Article
  10. Identification of the adhesive domain of AtaA fromFrontiers in bioengineering and biotechnology · 2022
    Article
  11. Article
  12. Review
  13. Review
  14. Journal of oral microbiology · 2019
    Article
  15. Bacterial autoaggregation.AIMS microbiology · 2018
    Review
  16. Review
  17. Article
  18. Article
  19. Article
  20. Review
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.

Tanja RiessInstitut für Medizinische Mikrobiologie und Hygiene, Elfriede-Aulhorn-Str. 6, D-72076 Tübingen, Germany.
Günter Raddatz
Dirk Linke
Andrea Schäfer
Volkhard A J Kempf
University of Tübingen · DEMax Planck Institute for Biological Cybernetics · DEMax Planck Institute for Developmental Biology · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bartonella henselae causes cat scratch disease and the vasculoproliferative disorders bacillary angiomatosis and peliosis hepatis in humans. One of the best known pathogenicity factors of B. henselae is Bartonella adhesin A (BadA), which is modularly constructed, consisting of head, neck/stalk, and membrane anchor domains. BadA is important for the adhesion of B. henselae to extracellular-matrix proteins and endothelial cells (ECs). In this study, we analyzed different B. henselae strains for BadA expression, autoagglutination, fibronectin (Fn) binding, and adhesion to ECs. We found that the B. henselae strains Marseille, ATCC 49882, Freiburg 96BK3 (FR96BK3), FR96BK38, and G-5436 express BadA. Remarkably, BadA expression was lacking in a B. henselae ATCC 49882 variant, in strains ATCC 49793 and Berlin-1, and in the majority of bacteria of strain Berlin-2. Adherence of B. henselae to ECs and Fn reliably correlated with BadA expression. badA was present in all tested strains, although the length of the gene varied significantly due to length variations of the stalk region. Sequencing of the promoter, head, and membrane anchor regions revealed only minor differences that did not correlate with BadA expression, apart from strain Berlin-1, in which a 1-bp deletion led to a frameshift in the head region of BadA. Our data suggest that, apart from the identified genetic modifications (frameshift deletion and recombination), other so-far-unknown regulatory mechanisms influence BadA expression. Because of variations between and within different B. henselae isolates, BadA expression should be analyzed before performing infection experiments with B. henselae.

Indexed as

Gene Expression Regulation, BacterialAdhesins, BacterialAgglutinationAmino Acid SequenceBacterial AdhesionBartonella henselaeBlotting, WesternEndothelial CellsFibronectinsFluorescent Antibody TechniqueGene ExpressionHumansMolecular Sequence DataPolymerase Chain ReactionPromoter Regions, GeneticAdhesins, BacterialFibronectins

Identifiers

PMID17060468
PMCPMC1828432
OpenAlexW2170264007

What OpenQuestion holds

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Registered trials

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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.