Evidence map›Paper›PMID 26785134›Full record

ArticlePloS one2016

Multiple and Diverse vsp and vlp Sequences in Borrelia miyamotoi, a Hard Tick-Borne Zoonotic Pathogen.

Alan G Barbour

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
6.3field-weighted citation impact, top 3% 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

28 citing papers in PubMed, 43 citations in OpenAlex.

  1. Article
  2. Frontiers in immunology · 2026
    Article
  3. Article
  4. Article
  5. Infection and immunity · 2025
    Article
  6. Article
  7. Article
  8. Article
  9. HumanPathogens (Basel, Switzerland) · 2023
    Review
  10. Pathogens (Basel, Switzerland) · 2023
    Review
  11. Article
  12. Frontiers in immunology · 2022
    Article
  13. Article
  14. Microorganisms · 2021
    Review
  15. Article
  16. Article
  17. Article
  18. Article
  19. A newEuro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2019
    Review
  20. Direct Diagnostic Tests for Lyme Disease.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2019
    Review
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

1 author at 1 institution in 1 country.

Alan G BarbourDepartment of Microbiology and Molecular Genetics, University of California Irvine, Irvine, California, United States of America.
University of California, Irvine · US

Funding

Borrelia Miyamotoi Infection in Mice and HumansR56AI114859 · NIAID · YALE UNIVERSITY · PI BARBOUR, ALAN G., BOCKENSTEDT, LINDA K. · 2015 to 2015
$670k
Informative immunodiagnostics for Lyme diseaseR21AI100236 · NIAID · UNIVERSITY OF CALIFORNIA-IRVINE · PI BARBOUR, ALAN G. · 2012 to 2013
$423k
NIAID NIH HHS AI-100236NIAID NIH HHS AI-114859NIAID NIH HHS R21 AI100236NIAID NIH HHS R56 AI114859
6 · The paper itself

Abstract

Based on chromosome sequences, the human pathogen Borrelia miyamotoi phylogenetically clusters with species that cause relapsing fever. But atypically for relapsing fever agents, B. miyamotoi is transmitted not by soft ticks but by hard ticks, which also are vectors of Lyme disease Borrelia species. To further assess the relationships of B. miyamotoi to species that cause relapsing fever, I investigated extrachromosomal sequences of a North American strain with specific attention on plasmid-borne vsp and vlp genes, which are the underpinnings of antigenic variation during relapsing fever. For a hybrid approach to achieve assemblies that spanned more than one of the paralogous vsp and vlp genes, a database of short-reads from next-generation sequencing was supplemented with long-reads obtained with real-time DNA sequencing from single polymerase molecules. This yielded three contigs of 31, 16, and 11 kb, which each contained multiple and diverse sequences that were homologous to vsp and vlp genes of the relapsing fever agent B. hermsii. Two plasmid fragments had coding sequences for plasmid partition proteins that differed from each other from paralogous proteins for the megaplasmid and a small plasmid of B. miyamotoi. One of 4 vsp genes, vsp1, was present at two loci, one of which was downstream of a candiate prokaryotic promoter. A limited RNA-seq analysis of a population growing in the blood of mice indicated that of the 4 different vsp genes vsp1 was the one that was expressed. The findings indicate that B. miyamotoi has at least four types of plasmids, two or more of which bear vsp and vlp gene sequences that are as numerous and diverse as those of relapsing fever Borrelia. The database and insights from these findings provide a foundation for further investigations of the immune responses to this pathogen and of the capability of B. miyamotoi for antigenic variation.

Indexed as

Amino Acid SequenceAnimalsAntigens, BacterialBacterial Outer Membrane ProteinsBase SequenceBorreliaMiceMice, SCIDMolecular Sequence DataPlasmidsTicksAntigens, BacterialBacterial Outer Membrane ProteinsVsp protein, bacterial

Identifiers

PMID26785134
PMCPMC4718594
OpenAlexW2411040151

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.