Evidence map›Paper›PMID 10827116›Full record

ArticleEmerging infectious diseases

Genetic variation in Pneumocystis carinii isolates from different geographic regions: implications for transmission.

C B Beard, J L Carter, S P Keely, L Huang, N J Pieniazek, I N Moura, J M Roberts, A W Hightower, M S Bens, A R Freeman and 10 more

Open access · diamondAbstract read
In one paragraph

Article in Emerging infectious diseases. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.

0numbers the graph read from it
0cells of the map it votes in
66citing papers in PubMed
10.2field-weighted citation impact, top 1% 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

66 citing papers in PubMed, 241 citations in OpenAlex.

  1. Genotype distribution ofFrontiers in fungal biology · 2026
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  2. Multi-site screening forFrontiers in cellular and infection microbiology · 2026
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  3. JHLT open · 2025
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  4. Observational
  5. Article
  6. Article
  7. Genetic Polymorphisms ofPolish journal of microbiology · 2022
    Article
  8. Update on Dihydropteroate Synthase (DHPS) Mutations inJournal of fungi (Basel, Switzerland) · 2021
    Review
  9. Pathogens (Basel, Switzerland) · 2021
    Review
  10. Consensus Multilocus Sequence Typing Scheme forJournal of fungi (Basel, Switzerland) · 2020
    Review
  11. Article
  12. Frontiers in microbiology · 2020
    Article
  13. Molecular diagnosis and genotyping ofCurrent medical mycology · 2019
    Article
  14. Article
  15. Article
  16. Article
  17. Circulating genotypes of Pneumocystis jirovecii and its clinical correlation in patients from a single tertiary center in India.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2017
    Article
  18. Article
  19. Article
  20. F1000Research · 2017
    Review

6 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

20 authors at 2 institutions in 1 country.

C B BeardCenters for Disease Control and Prevention, Atlanta, Georgia 30341-3724, USA. cbb0@cdc.gov
J L Carter
S P Keely
L Huang
N J Pieniazek
I N Moura
J M Roberts
A W Hightower
M S Bens
A R Freeman
S Lee
J R Stringer
J S Duchin
C del Rio
D Rimland
R P Baughman
D A Levy
V J Dietz
P Simon
T R Navin
University of Cincinnati Medical Center · USCenters for Disease Control and Prevention · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To study transmission patterns of Pneumocystis carinii pneumonia (PCP) in persons with AIDS, we evaluated P. carinii isolates from patients in five U.S. cities for variation at two independent genetic loci, the mitochondrial large subunit rRNA and dihydropteroate synthase. Fourteen unique multilocus genotypes were observed in 191 isolates that were examined at both loci. Mixed infections, accounting for 17.8% of cases, were associated with primary PCP. Genotype frequency distribution patterns varied by patients' place of diagnosis but not by place of birth. Genetic variation at the two loci suggests three probable characteristics of transmission: that most cases of PCP do not result from infections acquired early in life, that infections are actively acquired from a relatively common source (humans or the environment), and that humans, while not necessarily involved in direct infection of other humans, are nevertheless important in the transmission cycle of P. carinii f. sp. hominis.

Indexed as

Genetic VariationAIDS-Related Opportunistic InfectionsDihydropteroate SynthaseDNA PrimersGene FrequencyGenes, rRNAGenotypeHumansLogistic ModelsMitochondriaPneumocystisPneumonia, PneumocystisRNA, RibosomalSequence Analysis, DNAUnited StatesDihydropteroate SynthaseDNA PrimersRNA, Ribosomal

Identifiers

PMID10827116
PMCPMC2640877
OpenAlexW2101933645

What OpenQuestion holds

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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.