Evidence map›Paper›PMID 12202578›Full record

ArticleJournal of clinical microbiology2002

Fast, noninvasive method for molecular detection and differentiation of Malassezia yeast species on human skin and application of the method to dandruff microbiology.

Christina M Gemmer, Yvonne M DeAngelis, Bart Theelen, Teun Boekhout, Thomas L Dawson

Open access · greenAbstract readEvaluation Study
In one paragraph

Article in Journal of clinical microbiology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 51 papers.

0numbers the graph read from it
0cells of the map it votes in
51citing papers in PubMed
5.1field-weighted citation impact, top 4% 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

51 citing papers in PubMed, 193 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Trial
  4. Article
  5. Article
  6. Article
  7. Article
  8. Decreased skin colonization withFrontiers in medicine · 2024
    Article
  9. Frontiers in microbiology · 2023
    Article
  10. Journal of fungi (Basel, Switzerland) · 2022
    Review
  11. Review
  12. Targeted Delivery of Zinc Pyrithione to Skin Epithelia.International journal of molecular sciences · 2021
    Review
  13. Article
  14. Susceptibilities ofHeliyon · 2020
    Article
  15. Overview of the Potential Role ofFrontiers in cellular and infection microbiology · 2020
    Review
  16. CutaneousFrontiers in cellular and infection microbiology · 2020
    Review
  17. Identification and Evaluation of Inhibitors of Lipase fromInternational journal of molecular sciences · 2019
    Article
  18. Article
  19. Article
  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

5 authors at 2 institutions in 2 countries.

Christina M GemmerThe Procter & Gamble Company, Cincinnati, Ohio 45252. Yeast Division, Centraalbureau voor Schimmelcultures, 3584 CT Utrecht, The Netherlands.
Yvonne M DeAngelis
Bart Theelen
Teun Boekhout
Thomas L Dawson
Procter & Gamble (United States) · USWesterdijk Fungal Biodiversity Institute · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Malassezia fungi have been the suspected cause of dandruff for more than a century. Previously referred to as Pityrosporum ovale, Pityrosporum orbiculare, or Malassezia, these fungi are now known to consist of at least seven Malassezia species. Each species has a specific ecological niche, as well as specific biochemical and genetic characteristics. Malassezia yeasts have fastidious culture conditions and exceedingly different growth rates. Therefore, the results of surveys of Malassezia based on culture methods can be difficult to interpret. We developed a molecular technique, terminal fragment length polymorphism analysis, to more accurately survey the ecology of Malassezia yeasts without bias from culture. This technique involves fluorescent nested PCR of the intergenic transcribed spacer (ITS) ITS I and ITS II region ribosomal gene clusters. All known Malassezia species can be differentiated by unique ITS fragment lengths. We have used this technique to directly analyze scalp samples from subjects enrolled in a demographic scalp health study. Results for subjects assigned composite adherent scalp flaking scores (ASFS) <10 were compared to those for subjects assigned composite ASFS >24. Malassezia restricta and M. globosa were found to be the predominant Malassezia species present in both groups. Importantly, we found no evidence of M. furfur in either group, indicating that M. furfur can be eliminated as the causal organism for dandruff. Both groups also showed the presence of non-Malassezia fungi. This method, particularly when it is used in combination with existing fungal ITS databases, is expected to be useful in the diagnosis of multiple other fungal infections.

Indexed as

Dermatitis, SeborrheicDNA, FungalDNA, Ribosomal SpacerHumansMalasseziaPolymerase Chain ReactionScalpScalp DermatosesSensitivity and SpecificitySpecimen HandlingTime FactorsDNA, FungalDNA, Ribosomal Spacer

Identifiers

PMID12202578
PMCPMC130704
OpenAlexW2119153968

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.