Evidence map›Paper›PMID 20028807›Full record

ArticleInfection and immunity2010

A foreign protein incorporated on the Tip of T3 pili in Lactococcus lactis elicits systemic and mucosal immunity.

Bernard R Quigley, Matthew Hatkoff, David G Thanassi, Mahamoudou Ouattara, Zehava Eichenbaum, June R Scott

Abstract 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 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
1.5field-weighted citation impact, top 18% 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

19 citing papers in PubMed, 37 citations in OpenAlex.

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  14. Pilus hijacking by a bacterial coaggregation factor critical for oral biofilm development.Proceedings of the National Academy of Sciences of the United States of America · 2014
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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

6 authors at 3 institutions in 1 country.

Bernard R QuigleyDepartment of Microbiology and Immunology, Emory University School of Medicine, Atlanta, GA 30322, USA.
Matthew Hatkoff
David G Thanassi
Mahamoudou Ouattara
Zehava Eichenbaum
June R Scott
Emory University · USGeorgia State University · USStony Brook University · US

Funding

Virulence Mechanism of Y. pestis and tularensisP01AI055621 · NIAID · STATE UNIVERSITY NEW YORK STONY BROOK · PI BENACH, JORGE L. · 2004 to 2010
$20.7M
Mechanism of the Usher in Assembly and Secretion of PiliR01GM062987 · NIGMS · STATE UNIVERSITY NEW YORK STONY BROOK · PI David G Thanassi · 2001 to 2026
$7.7M
NIAID NIH HHS AI055621NIAID NIH HHS AI05605NIAID NIH HHS P01 AI055621NIGMS NIH HHS GM062987NIGMS NIH HHS R01 GM062987
6 · The paper itself

Abstract

The use of Lactococcus lactis to deliver a chosen antigen to the mucosal surface has been shown to elicit an immune response in mice and is a possible method of vaccination in humans. The recent discovery on Gram-positive bacteria of pili that are covalently attached to the bacterial surface and the elucidation of the residues linking the major and minor subunits of such pili suggests that the presentation of an antigen on the tip of pili external to the surface of L. lactis might constitute a successful vaccine strategy. As a proof of principle, we have fused a foreign protein (the Escherichia coli maltose-binding protein) to the C-terminal region of the native tip protein (Cpa) of the T3 pilus derived from Streptococcus pyogenes and expressed this fusion protein (MBP*) in L. lactis. We find that MBP* is incorporated into pili in this foreign host, as shown by Western blot analyses of cell wall proteins and by immunogold electron microscopy. Furthermore, since the MBP* on these pili retains its native biological activity, it appears to retain its native structure. Mucosal immunization of mice with this L. lactis strain expressing pilus-linked MBP* results in production of both a systemic and a mucosal response (IgG and IgA antibodies) against the MBP antigen. We suggest that this type of mucosal vaccine delivery system, which we term UPTOP (for unhindered presentation on tips of pili), may provide an inexpensive and stable alternative to current mechanisms of immunization for many serious human pathogens.

Indexed as

Genetic VectorsImmunity, HumoralImmunity, MucosalAnimalsAntibodies, BacterialBacterial VaccinesBlotting, WesternEscherichia coli ProteinsFemaleFimbriae, BacterialHumansImmunoglobulin AImmunoglobulin GLactococcus lactisMiceMicroscopy, ImmunoelectronAntibodies, BacterialBacterial VaccinesEscherichia coli ProteinsImmunoglobulin AImmunoglobulin GMalE protein, E coliPeriplasmic Binding ProteinsRecombinant Fusion ProteinsVaccines, Synthetic

Identifiers

PMID20028807
PMCPMC2825955
OpenAlexW2167864621

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.