Evidence map›Paper›PMID 20515935›Full record

ArticleInfection and immunity2010

Identification of lipoprotein MslA as a neoteric virulence factor of Mycoplasma gallisepticum.

S M Szczepanek, S Frasca, V L Schumacher, X Liao, M Padula, S P Djordjevic, S J Geary

Open access · greenAbstract read
In one paragraph

Article in Infection and immunity, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
3.1field-weighted citation impact, top 9% 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

30 citing papers in PubMed, 57 citations in OpenAlex.

  1. Article
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  5. AApplied and environmental microbiology · 2021
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  11. Lipid moieties ofNPJ vaccines · 2020
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  12. Article
  13. Contrasting evolution of virulence and replication rate in an emerging bacterial pathogen.Proceedings of the National Academy of Sciences of the United States of America · 2019
    Article
  14. Review
  15. Extracellular DNA: A Nutritional Trigger ofFrontiers in microbiology · 2019
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  16. Article
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  19. TheInfection and immunity · 2017
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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 1 institution in 2 countries.

S M SzczepanekCenter of Excellence for Vaccine Research, Department of Pathobiology and Veterinary Science, University of Connecticut, 61 N. Eagleville Rd., Storrs, CT 06269, USA.
S Frasca
V L Schumacher
X Liao
M Padula
S P Djordjevic
S J Geary
University of Connecticut · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Many lipoproteins are expressed on the surfaces of mycoplasmas, and some have been implicated as playing roles in pathogenesis. Family 2 lipoproteins of Mycoplasma pneumoniae have a conserved "mycoplasma lipoprotein X" central domain and a "mycoplasma lipoprotein 10" C-terminal domain and are differentially expressed in response to environmental conditions. Homologues of family 2 lipoproteins are Mycoplasma specific and include the lipoprotein of Mycoplasma gallisepticum, encoded by the MGA0674 gene. Comparative transcriptomic analysis of the M. gallisepticum live attenuated vaccine strain F and the virulent strain R(low), reported in this study, indicated that MGA0674 is one of several differentially expressed genes. The MGA0674-encoded lipoprotein is a proteolytically processed, immunogenic, TX-114 detergent-phase protein which appears to have antigenic divergence between field strains R(low) and S6. We examined the virulence of an R(low) Delta MGA0674 mutant (P1H9) in vivo and observed reduced recovery and attenuated virulence in the tracheas of experimentally infected chickens. The virulence of two additional R(low) Delta MGA0674 mutants, 2162 and 2204, was assessed in a second in vivo virulence experiment. These mutants exhibited partial to complete attenuation in vivo, but recovery was observed more frequently. Since only Mycoplasma species harbor homologues of MGA0674, the gene product has been renamed "Mycoplasma-specific lipoprotein A" (MslA). Collectively, these data indicate that MslA is an immunogenic lipoprotein exhibiting reduced expression in an attenuated strain and plays a role in M. gallisepticum virulence.

Indexed as

AnimalsBacterial ProteinsChickensFemaleGene DeletionGene Expression ProfilingLipoproteinsMycoplasma gallisepticumMycoplasma InfectionsPoultry DiseasesTracheaVirulenceVirulence FactorsBacterial ProteinsLipoproteinsVirulence Factors

Identifiers

PMID20515935
PMCPMC2916287
OpenAlexW2163464436

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.