Evidence map›Paper›PMID 15039312›Full record

ArticleInfection and immunity2004

Immunoglobulin-mediated agglutination of and biofilm formation by Escherichia coli K-12 require the type 1 pilus fiber.

Paul E Orndorff, Aditya Devapali, Sarah Palestrant, Aaron Wyse, Mary Lou Everett, R Randal Bollinger, William Parker

Open access · greenAbstract read
In one paragraph

Article in Infection and immunity, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
3.3field-weighted citation impact, top 8% 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

23 citing papers in PubMed, 67 citations in OpenAlex.

  1. Trial
  2. Article
  3. Article
  4. Review
  5. Review
  6. Gut microbiome and breast-feeding: Implications for early immune development.The Journal of allergy and clinical immunology · 2022
    Review
  7. Article
  8. Review
  9. Review
  10. Review
  11. Article
  12. The vermiform appendix and recurrent Clostridium difficile infection: a curious connection.Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association · 2011
    Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Escherichia coli biofilms.Current topics in microbiology and immunology · 2008
    Review
  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

7 authors at 2 institutions in 1 country.

Paul E OrndorffDepartment of Microbiology, Pathology, and Parasitology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina 27606, USA.
Aditya Devapali
Sarah Palestrant
Aaron Wyse
Mary Lou Everett
R Randal Bollinger
William Parker
Duke University Hospital · USNorth Carolina State University · US

Funding

PILOT AND FEASIBILITY STUDIESP30DK034987 · NIDDK · UNIV OF NORTH CAROLINA CHAPEL HILL · PI ROBERT S. SANDLER · 1985 to 2026
$30.5M
CONTROL AND EXPRESSION OF TYPE 1 PILI IN E. COLIR01AI022223 · NIAID · NORTH CAROLINA STATE UNIVERSITY RALEIGH · PI ORNDORFF, PAUL EDWIN · 1985 to 1999
–
NIAID NIH HHS R01 AI22223NIDDK NIH HHS P30 DK034987NIDDK NIH HHS P30 DK34987
6 · The paper itself

Abstract

The binding of human secretory immunoglobulin A (SIgA), the primary immunoglobulin in the gut, to Escherichia coli is thought to be dependent on type 1 pili. Type 1 pili are filamentous bacterial surface attachment organelles comprised principally of a single protein, the product of the fimA gene. A minor component of the pilus fiber (the product of the fimH gene, termed the adhesin) mediates attachment to a variety of host cell molecules in a mannose inhibitable interaction that has been extensively described. We found that the aggregation of E. coli K-12 by human secretory IgA (SIgA) was dependent on the presence of the pilus fiber, even in the absence of the mannose specific adhesin or in the presence of 25 mM alpha-CH(3)Man. The presence of pilus without adhesin also facilitated SIgA-mediated biofilm formation on polystyrene, although biofilm formation was stronger in the presence of the adhesin. IgM also mediated aggregation and biofilm formation in a manner dependent on pili with or without adhesin. These findings indicate that the pilus fiber, even in the absence of the adhesin, may play a role in biologically important processes. Under conditions in which E. coli was agglutinated by SIgA, the binding of SIgA to E. coli was not increased by the presence of the pili, with or without adhesin. This observation suggests that the pili, with or without adhesin, affect factors such as cell surface rigidity or electrostatic repulsion, which can affect agglutination but which do not necessarily determine the level of bound immunoglobulin.

Indexed as

AgglutinationAdhesins, BacterialBacterial AdhesionBiofilmsEscherichia coliFimbriae, BacterialFimbriae ProteinsHumansImmunoglobulin A, SecretoryMannoseAdhesins, BacterialFimbriae ProteinsfimbrillinImmunoglobulin A, SecretoryMannose

Identifiers

PMID15039312
PMCPMC375160
OpenAlexW2166166621

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.