ArticleThe Journal of clinical investigation2007
Intestinal adherence associated with type IV pili of enterohemorrhagic Escherichia coli O157:H7.
Article in The Journal of clinical investigation, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 75 papers.
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.
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.
Who cites it
75 citing papers in PubMed, 115 citations in OpenAlex.
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- The carbon starvation-inducible lipoprotein (Slp) influences differential adherence of Escherichia coli O157:H7 at the bovine rectoanal junction.PLoS pathogens · 2026Article
- Type IV pilin regulation: a transcriptional overview.Critical reviews in microbiology · 2026Review
- Genomic characterization of Comamonas kerstersii isolated from diarrheal patients in Bangladesh.PloS one · 2026Article
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- Characterization and Genomic Analysis ofAnimals : an open access journal from MDPI · 2025Article
- Cryo-Electron Microscopy of BfpB Reveals a Type IVb Secretin Multimer Adapted to Accommodate the Exceptionally Wide Bundle-Forming Pilus.Pathogens (Basel, Switzerland) · 2025Article
- The Role ofInfection and drug resistance · 2025Article
- Type IV pili ofEcoSal Plus · 2024Review
- Characterization of clumpy adhesion ofMicrobiology spectrum · 2024Article
- Conditional expression of flagellar motility, curli fimbriae, and biofilms in Shiga toxin- producingFrontiers in microbiology · 2024Article
- Pili Subunit PilA Contributes to the Cytoadhesion ofApplied and environmental microbiology · 2023Article
- Landmark Discoveries and Recent Advances in Type IV Pilus Research.Microbiology and molecular biology reviews : MMBR · 2022Review
- Detection of Shiga Toxin-ProducingFrontiers in endocrinology · 2022Article
- Transcriptional analysis reveals specific niche factors and response to environmental stresses of enterohemorrhagic Escherichia coli O157:H7 in bovine digestive contents.BMC microbiology · 2021Article
- Article
- Epithelial WNT2B and Desert Hedgehog Are Necessary for Human Colonoid Regeneration after Bacterial Cytotoxin Injury.iScience · 2020Article
- PchE Regulation ofInternational journal of molecular sciences · 2020Article
- An Overview of the Elusive Passenger in the Gastrointestinal Tract of Cattle: The Shiga Toxin ProducingMicroorganisms · 2020Review
15 more citing papers are in PubMed but not listed here.
Corrections and comments
- Erratum issued
Authors and funding
8 authors at 1 institution in 1 country.
Funding
Abstract
Enterohemorrhagic Escherichia coli (EHEC) O157:H7 causes hemorrhagic colitis and hemolytic uremic syndrome (HUS) by colonizing the gut mucosa and producing Shiga toxins (Stx). The only factor clearly demonstrated to play a role in EHEC adherence to intestinal epithelial cells is intimin, which binds host cell integrins and nucleolin, as well as a receptor (Tir) that it injects into the host cell. Here we report that EHEC O157:H7 produces adhesive type IV pili, which we term hemorrhagic coli pilus (HCP), composed of a 19-kDa pilin subunit (HcpA) that is encoded by the hcpA chromosomal gene. HCP were observed as bundles of fibers greater than 10 microm in length that formed physical bridges between bacteria adhering to human and bovine host cells. Sera of HUS patients, but not healthy individuals, recognized HcpA, suggesting that the pili are produced in vivo during EHEC infections. Inactivation of the hcpA gene in EHEC EDL933 resulted in significantly reduced adherence to cultured human intestinal and bovine renal epithelial cells and to porcine and bovine gut explants. An escN mutant, which is unable to translocate Tir, adhered less than the hcpA mutant, suggesting that adherence mediated by intimin-Tir interactions is a prelude to HCP-mediated adherence. An hcpA and stx1,2 triple mutant and an hcpA mutant had similar levels of adherence to bovine and human epithelial cells while a stx1,2 double mutant had only a minor defect in adherence, indicating that HCP-mediated adherence and cytotoxicity are independent events. Our data establish that EHEC O157:H7 HCP are intestinal colonization factors that are likely to contribute to the pathogenic potential of this food-borne pathogen.
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Registered trials
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.