Evidence map›Paper›PMID 19783741›Full record

ArticleApplied and environmental microbiology2009

Population structure of the lyme borreliosis spirochete Borrelia burgdorferi in the western black-legged tick (Ixodes pacificus) in Northern California.

Yvette A Girard, Bridgit Travinsky, Anna Schotthoefer, Natalia Fedorova, Rebecca J Eisen, Lars Eisen, Alan G Barbour, Robert S Lane

Erratum issuedOpen access · greenAbstract read
In one paragraph

Article in Applied and environmental microbiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
3.0field-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

29 citing papers in PubMed, 45 citations in OpenAlex.

  1. Review
  2. Article
  3. Ecology ofPathogens (Basel, Switzerland) · 2022
    Review
  4. Article
  5. The Population Structure ofMicroorganisms · 2021
    Article
  6. Article
  7. Human-Biting Ixodes Ticks and Pathogen Prevalence from California, Oregon, and Washington.Vector borne and zoonotic diseases (Larchmont, N.Y.) · 2019
    Article
  8. Article
  9. Borrelia lanei sp. nov. extends the diversity of Borrelia species in California.International journal of systematic and evolutionary microbiology · 2017
    Article
  10. Lyme disease ecology in a changing world: consensus, uncertainty and critical gaps for improving control.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2017
    Review
  11. Article
  12. A Roadmap for Tick-Borne Flavivirus Research in the "Omics" Era.Frontiers in cellular and infection microbiology · 2017
    Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

8 authors at 5 institutions in 1 country.

Yvette A GirardUniversity of California-Berkeley, Department of Environmental Science, Policy and Management, 137 Mulford Hall #3114, Berkeley, CA 94720-3114, usa. yagirard@nature.berkeley.edu
Bridgit Travinsky
Anna Schotthoefer
Natalia Fedorova
Rebecca J Eisen
Lars Eisen
Alan G Barbour
Robert S Lane
University of California, Berkeley · USUniversity of California, Irvine · USCenters for Disease Control and Prevention · USColorado State University · USNational Center for Emerging and Zoonotic Infectious Diseases · US

Funding

MOLECULAR BASIS OF BORRELIA PATHOGENESISR37AI024424 · NIAID · UNIVERSITY OF CALIFORNIA-IRVINE · PI BARBOUR, ALAN G. · 2001 to 2010
$3.5M
LYME DISEASE IN WESTERN USA: ECOLOGY AND EPIDEMIOLOGYR01AI022501 · NIAID · UNIVERSITY OF CALIFORNIA BERKELEY · PI LANE, ROBERT SIDNEY · 1985 to 2008
$3.0M
MOLECULAR BASIS OF BORRELIA PATHOGENESISR01AI024424 · NIAID · UNIVERSITY OF TEXAS HLTH SCI CTR SAN ANT · PI BARBOUR, ALAN G. · 1987 to 2000
$339k
NIAID NIH HHS AI22501NIAID NIH HHS AI24424NIAID NIH HHS R01 AI022501NIAID NIH HHS R01 AI024424NIAID NIH HHS R37 AI024424
6 · The paper itself

Abstract

Factors potentially contributing to the lower incidence of Lyme borreliosis (LB) in the far-western than in the northeastern United States include tick host-seeking behavior resulting in fewer human tick encounters, lower densities of Borrelia burgdorferi-infected vector ticks in peridomestic environments, and genetic variation among B. burgdorferi spirochetes to which humans are exposed. We determined the population structure of B. burgdorferi in over 200 infected nymphs of the primary bridging vector to humans, Ixodes pacificus, collected in Mendocino County, CA. This was accomplished by sequence typing the spirochete lipoprotein ospC and the 16S-23S rRNA intergenic spacer (IGS). Thirteen ospC alleles belonging to 12 genotypes were found in California, and the two most abundant, ospC genotypes H3 and E3, have not been detected in ticks in the Northeast. The most prevalent ospC and IGS biallelic profile in the population, found in about 22% of ticks, was a new B. burgdorferi strain defined by ospC genotype H3. Eight of the most common ospC genotypes in the northeastern United States, including genotypes I and K that are associated with disseminated human infections, were absent in Mendocino County nymphs. ospC H3 was associated with hardwood-dominated habitats where western gray squirrels, the reservoir host, are commonly infected with LB spirochetes. The differences in B. burgdorferi population structure in California ticks compared to the Northeast emphasize the need for a greater understanding of the genetic diversity of spirochetes infecting California LB patients.

Indexed as

AnimalsAntigens, BacterialArachnid VectorsBacterial Outer Membrane ProteinsBorrelia burgdorferiCaliforniaDNA, BacterialDNA, Ribosomal SpacerEcosystemGene FrequencyGenetic VariationGenotypeHumansIxodesLyme DiseaseMolecular Sequence DataAntigens, BacterialBacterial Outer Membrane ProteinsDNA, BacterialDNA, Ribosomal SpacerOspC protein

Identifiers

PMID19783741
PMCPMC2786521
OpenAlexW2122615512

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.