Evidence map›Paper›PMID 15102789›Full record

ArticleInfection and immunity2004

Proteolytic processing of the Mycoplasma hyopneumoniae cilium adhesin.

Steven P Djordjevic, Stuart J Cordwell, Michael A Djordjevic, Jody Wilton, F Chris Minion

Abstract 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 51 papers.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed
–field-weighted citation impact
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

51 citing papers in PubMed.

  1. Review
  2. Chimeric proteins of Mycoplasma hyopneumoniae as vaccine and preclinical model for immunological evaluation.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2024
    Article
  3. Article
  4. Hijacking of Host Plasminogen byMicrobiology spectrum · 2023
    Article
  5. Article
  6. TheFrontiers in microbiology · 2022
    Review
  7. Frontiers in immunology · 2022
    Review
  8. Article
  9. Construction ofFrontiers in microbiology · 2021
    Article
  10. Novel Secreted Protein ofFrontiers in immunology · 2021
    Article
  11. Review
  12. Article
  13. Article
  14. Review
  15. Combined Transcriptome Sequencing ofFrontiers in microbiology · 2020
    Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Extracellular Actin Is a Receptor forFrontiers in cellular and infection microbiology · 2018
    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

5 authors.

Steven P DjordjevicNew South Wales Agriculture, Elizabeth Macarthur Agricultural Institute, Camden, New South Wales 2570, Australian.
Stuart J Cordwell
Michael A Djordjevic
Jody Wilton
F Chris Minion

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Mycoplasma hyopneumoniae is an economically significant swine pathogen that colonizes the respiratory ciliated epithelial cells. Cilium adherence is mediated by P97, a surface protein containing a repeating element (R1) that is responsible for binding. Here, we show that the cilium adhesin is proteolytically processed on the surface. Proteomic analysis of strain J proteins identified cleavage products of 22, 28, 66, and 94 kDa. N-terminal sequencing showed that the 66- and 94-kDa proteins possessed identical N termini and that the 66-kDa variant was generated by cleavage of the 28-kDa product from the C terminus. The 22-kDa product represented the N-terminal 195 amino acids of the cilium adhesin preprotein, confirming that the hydrophobic leader signal sequence is not cleaved during translocation across the membrane. Comparative studies of M. hyopneumoniae strain 232 showed that the major cleavage products of the cilium adhesin are similar, although P22 and P28 appear to be processed further in strain 232. Immunoblotting studies using antisera raised against peptide sequences within P22 and P66/P94 indicate that processing is complex, with cleavage occurring at different frequencies within multiple sites, and is strain specific. Immunogold electron microscopy showed that fragments containing the cilium-binding site remained associated with the cell surface whereas cleavage products not containing the R1 element were located elsewhere. Not all secreted proteins undergo multiple cleavage, however, as evidenced by the analysis of the P102 gene product. The ability of M. hyopneumoniae to selectively cleave its secreted proteins provides this pathogen with a remarkable capacity to alter its surface architecture.

Indexed as

Adhesins, BacterialAmino Acid SequenceAnimalsBacterial AdhesionBase SequenceCiliaDNA, BacterialElectrophoresis, Gel, Two-DimensionalEndopeptidasesImmunoblottingMicroscopy, ImmunoelectronMolecular Sequence DataMycoplasma hyopneumoniaePneumonia of Swine, MycoplasmalProtein Processing, Post-TranslationalRecombinant ProteinsAdhesins, BacterialDNA, BacterialEndopeptidasesP97 protein, MycoplasmaRecombinant Proteins

Identifiers

PMID15102789
PMCPMC387856

What OpenQuestion holds

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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.