Evidence map›Paper›PMID 18714378›Full record

ArticlePloS one2008

Borrelia burgdorferi complement regulator-acquiring surface protein 2 does not contribute to complement resistance or host infectivity.

Adam S Coleman, Xiuli Yang, Manish Kumar, Xinyue Zhang, Kamoltip Promnares, Deborah Shroder, Melisha R Kenedy, John F Anderson, Darrin R Akins, Utpal Pal

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.

0numbers the graph read from it
0cells of the map it votes in
49citing papers in PubMed
3.6field-weighted citation impact, top 7% 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

49 citing papers in PubMed, 66 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Infection and immunity · 2024
    Article
  7. Review
  8. Review
  9. Article
  10. Article
  11. The Brilliance ofPathogens (Basel, Switzerland) · 2021
    Review
  12. Article
  13. Lyme Disease Pathogenesis.Current issues in molecular biology · 2021
    Review
  14. Review
  15. Review
  16. Review
  17. Article
  18. Review
  19. Review
  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

10 authors at 3 institutions in 1 country.

Adam S ColemanDepartment of Veterinary Medicine, University of Maryland, College Park, Maryland, United States of America.
Xiuli Yang
Manish Kumar
Xinyue Zhang
Kamoltip Promnares
Deborah Shroder
Melisha R Kenedy
John F Anderson
Darrin R Akins
Utpal Pal
University of Maryland, College Park · USUniversity of Oklahoma Health Sciences Center · USConnecticut Agricultural Experiment Station · US

Funding

BORRELIA GENE PRODUCTS CRITICAL FOR NATURAL INFECTION CYCLER01AI080615 · NIAID · UNIV OF MARYLAND, COLLEGE PARK · PI PAL, UTPAL · 2009 to 2024
$5.2M
Outer Membrane Proteins of Borrelia burgdorferiR01AI059373 · NIAID · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI AKINS, DARRIN R. · 2005 to 2022
$4.7M
Complement evasion by Borrelia burgdorferiR21AI064629 · NIAID · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI AKINS, DARRIN R · 2006 to 2007
$398k
Outer membrane proteins of Borrelia burgdorferiR56AI059373 · NIAID · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI AKINS, DARRIN R. · 2011 to 2011
$329k
Molecular trigger of Lyme arthritisR03AR055323 · NIAMS · UNIV OF MARYLAND, COLLEGE PARK · PI PAL, UTPAL · 2007 to 2009
$222k
NIAID NIH HHS AI059373NIAID NIH HHS AI064629NIAID NIH HHS R01 AI059373NIAID NIH HHS R01 AI080615NIAID NIH HHS R21 AI064629NIAID NIH HHS R56 AI059373NIAMS NIH HHS AR055323NIAMS NIH HHS R03 AR055323
6 · The paper itself

Abstract

Borrelia burgdorferi, the pathogen of Lyme disease, cycles in nature through Ixodes ticks and mammalian hosts. At least five Complement Regulator-Acquiring Surface Proteins (BbCRASPs) are produced by B. burgdorferi, which are thought to assist spirochetes in host immune evasion. Recent studies established that BbCRASP-2 is preferentially expressed in mammals, and elicits robust antibody response in infected hosts, including humans. We show that BbCRASP-2 is ubiquitously expressed in diverse murine tissues, but not in ticks, reinforcing a role of BbCRASP-2 in conferring B. burgdorferi defense against persistent host immune threats, such as complement. BbCRASP-2 immunization, however, fails to protect mice from B. burgdorferi infection and does not modify disease, as reflected by the development of arthritis. An infectious BbCRASP-2 mutant was generated, therefore, to examine the precise role of the gene product in spirochete infectivity. Similar to wild type B. burgdorferi, BbCRASP-2 mutants remain insensitive to complement-mediated killing in vitro, retain full murine infectivity and induce arthritis. Quantitative RT-PCR assessment indicates that survivability of BbCRASP-2-deficient B. burgdorferi is not due to altered expression of other BbCRASPs. Together, these results suggest that the function of a selectively expressed B. burgdorferi gene, BbCRASP-2, is not essential for complement resistance or infectivity in the murine host.

Indexed as

AnimalsBacterial ProteinsBorrelia burgdorferiComplement System ProteinsEndopeptidase KFemaleGene Expression Regulation, BacterialHumansLyme DiseaseMembrane ProteinsMiceMice, Inbred C3HMutationPolymerase Chain ReactionRecombinant ProteinsTicksBacterial Proteinscomplement regulator-acquiring surface proteins, Borrelia burgdorferiComplement System ProteinsEndopeptidase KMembrane ProteinsRecombinant Proteins

Identifiers

PMID18714378
PMCPMC2526170
OpenAlexW2066707858

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.