Evidence map›Paper›PMID 19218460›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2009

A manganese transporter, BB0219 (BmtA), is required for virulence by the Lyme disease spirochete, Borrelia burgdorferi.

Zhiming Ouyang, Ming He, Tara Oman, X Frank Yang, Michael V Norgard

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 61 papers.

0numbers the graph read from it
0cells of the map it votes in
61citing papers in PubMed
3.2field-weighted citation impact, top 8% 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

61 citing papers in PubMed, 84 citations in OpenAlex.

  1. Trial
  2. Article
  3. mBio · 2025
    Article
  4. Infection and immunity · 2025
    Article
  5. Article
  6. Article
  7. Hfe Permease andACS infectious diseases · 2024
    Article
  8. Review
  9. Article
  10. A putative xanthine dehydrogenase is critical forMicrobiology (Reading, England) · 2023
    Article
  11. Review
  12. Article
  13. Article
  14. Article
  15. The Brilliance ofPathogens (Basel, Switzerland) · 2021
    Review
  16. Lyme Disease Pathogenesis.Current issues in molecular biology · 2021
    Review
  17. Unexpected failure ofCurrent research in parasitology & vector-borne diseases · 2021
    Article
  18. Gene Regulation and Transcriptomics.Current issues in molecular biology · 2021
    Article
  19. Interactions between Borrelia burgdorferi and ticks.Nature reviews. Microbiology · 2020
    Review
  20. Article

1 more citing papers are in PubMed but not listed here.

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 at 2 institutions in 1 country.

Zhiming OuyangDepartment of Microbiology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
Ming He
Tara Oman
X Frank Yang
Michael V Norgard
Indiana University – Purdue University Indianapolis · USThe University of Texas Southwestern Medical Center · US

Funding

The RpoN-RpoS regulatory pathway in Borrelia burgdorferiR01AI059062 · NIAID · UT SOUTHWESTERN MEDICAL CENTER · PI NORGARD, MICHAEL V. · 2004 to 2019
$6.2M
Immunology and Infectious Diseases Training ProgramT32AI060519 · NIAID · INDIANA UNIV-PURDUE UNIV AT INDIANAPOLIS · PI MARK H KAPLAN · 2004 to 2026
$6.0M
Role of the Shk-Grr pathway in infection of the Lyme disease spriocheteR21AI072144 · NIAID · INDIANA UNIV-PURDUE UNIV AT INDIANAPOLIS · PI YANG, X. FRANK · 2007 to 2008
$400k
The RpoN-RpoS regulatory pathway in Borrelia burgdorferiR56AI059062 · NIAID · UT SOUTHWESTERN MEDICAL CENTER · PI NORGARD, MICHAEL V. · 2009 to 2009
$323k
NIAID NIH HHS AI-059062NIAID NIH HHS R01 AI059062NIAID NIH HHS R21 AI072144NIAID NIH HHS R56 AI059062NIAID NIH HHS T32 AI060519
6 · The paper itself

Abstract

Borrelia burgdorferi (Bb), the causative agent of Lyme disease, is transmitted to mammalian hosts through an arthropod (tick) vector. To establish infection, Bb must acquire essential nutrients, including transition metals, from its mammalian and tick hosts. Thus far, no metal transporter has been identified in Bb. Here, we report the identification of the first metal transporter, BmtA (BB0219), in Bb. BmtA-deficient mutants of virulent Bb were readily generated, and the mutants grew slightly slower than wild-type Bb in vitro. However, BmtA mutants were sensitive to the chelating actions of EDTA, suggesting a role for BmtA in metal utilization. Intracellular accumulation of manganese (Mn) was substantially diminished in the bmtA mutant, indicating that BmtA was operative in Mn uptake. Given that BmtA lacks homology to any known Mn transporter, we postulate that BmtA is part of a novel mechanism for Mn acquisition by a bacterial pathogen. BmtA also was essential to the infectious life cycle of Bb in ticks and mammals, thereby qualifying BmtA as a new borrelial virulence factor. In addition, the bmtA mutant was sensitive to treatment with t-butyl hydroperoxide, implying that BmtA, and thus Mn, is important to Bb for detoxifying reactive oxygen species, including those potentially liberated by immune effector cells during the innate immune response. Our discovery of the first molecule involved in metal transport in Bb provides a foundation for further elucidating metal homeostasis in this important human pathogen, which may lead to new strategies for thwarting Lyme disease.

Indexed as

AnimalsBacterial ProteinsBorrelia burgdorferiCation Transport ProteinsComputer SimulationLyme DiseaseManganeseMiceMultigene FamilyMutationReactive Oxygen SpeciesBacterial ProteinsCation Transport ProteinsManganeseReactive Oxygen Species

Identifiers

PMID19218460
PMCPMC2651281
OpenAlexW2144624675

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.