Evidence map›Paper›PMID 33847867›Full record

ArticleMycopathologia2021

Taxonomy of the Trichophyton mentagrophytes/T. interdigitale Species Complex Harboring the Highly Virulent, Multiresistant Genotype T. indotineae.

Chao Tang, Xue Kong, Sarah A Ahmed, Rameshwari Thakur, Anuradha Chowdhary, Pietro Nenoff, Silke Uhrlass, Shyam B Verma, Jacques F Meis, Hazal Kandemir and 2 more

Abstract read
In one paragraph

Article in Mycopathologia, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 96 papers.

0numbers the graph read from it
0cells of the map it votes in
96citing papers in PubMed
–field-weighted citation impact
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

96 citing papers in PubMed.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Lineage-specific endosymbiosis in Mucorales: restriction ofCurrent research in microbial sciences · 2026
    Article
  10. Trichophyton indotineae: Epidemiology, antifungal resistance and antifungal stewardship strategies.Journal of the European Academy of Dermatology and Venereology : JEADV · 2026
    Review
  11. Rising antifungal resistance inFrontiers in microbiology · 2026
    Review
  12. Article
  13. Sodium new houttuyfonate inhibits the growth ofFrontiers in cellular and infection microbiology · 2026
    Article
  14. Emerging antifungal resistance inEmerging microbes & infections · 2025
    Article
  15. Article
  16. Name changes for fungi of medical importance, 2022-2024.Journal of clinical microbiology · 2025
    Review
  17. Article
  18. Article
  19. Article
  20. National Belgian Study on Terbinafine Resistance inJournal of fungi (Basel, Switzerland) · 2025
    Article

36 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

12 authors.

Chao TangKey Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education of Guizhou & Key Laboratory of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China.
Xue KongDepartment of Mycology, Institute of Dermatology, Chinese Academy of Medical Science and Peking Union Medical College, Nanjing, 0210042, China.
Sarah A AhmedCenter of Expertise in Mycology of Radboud University Medical Center, Canisius Wilhelmina Hospital, Nijmegen, The Netherlands.
Rameshwari ThakurDepartment of Dermatology and Microbiology, Muzaffarnagar Medical College and Hospital, Chaudhary Charan Singh University, Meerut, India.
Anuradha ChowdharyDepartment of Medical Mycology, Vallabhbhai Patel Chest Institute, University of Delhi, Delhi, India.
Pietro NenoffLaboratory for Medical Microbiology, Mölbis, Germany.
Silke UhrlassLaboratory for Medical Microbiology, Mölbis, Germany.
Shyam B VermaNirvan" and "In Skin" Clinics, Vadodara, India.
Jacques F MeisCenter of Expertise in Mycology of Radboud University Medical Center, Canisius Wilhelmina Hospital, Nijmegen, The Netherlands.
Hazal KandemirCenter of Expertise in Mycology of Radboud University Medical Center, Canisius Wilhelmina Hospital, Nijmegen, The Netherlands.
Yingqian KangKey Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education of Guizhou & Key Laboratory of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China. joycekangtokyo@gmail.com.
G Sybren de HoogKey Laboratory of Environmental Pollution Monitoring and Disease Control, Ministry of Education of Guizhou & Key Laboratory of Medical Microbiology and Parasitology, School of Basic Medical Sciences, Guizhou Medical University, Guiyang, China. sybren.dehoog@radboudumc.nl.

Funding

China Scholarship Council 201808520089TUBITAK 2214-A International Research Fellowship Programme 1059B141801143
6 · The paper itself

Abstract

A severe outbreak of highly virulent and multi-resistant dermatophytosis by species in the Trichophyton mentagrophytes/T. interdigitale complex is ongoing in India. The correct identity of the etiologic agent is a much-debated issue. In order to define species limits, a taxonomic study was undertaken combining molecular, morphological, and physiological characteristics as evidence of classification. Molecular characteristics show that T. mentagrophytes s. str. and T. interdigitale s. str. can be distinguished with difficulty from each other, but are unambiguously different from the Indian genotype, T. indotineae by sequences of the HMG gene. The entities were confirmed by multilocus analysis using tanglegrams. Phenotypic characters of morphology and physiology are not diagnostic, but statistically significant differences are observed between the molecular siblings. These properties may be drivers of separate evolutionary trends. Trichophyton mentagrophytes represents the ancestral, homothallic cloud of genotypes with a probable geophilic lifestyle, while T. indotineae and T. interdigitale behave as anthropophilic, clonal offshoots. The origin of T. indotineae, which currently causes a significant public health problem, is zoonotic, and its emergence is likely due to widespread misuse of antifungals.

Indexed as

TrichophytonAntifungal AgentsGenotypeHumansAntifungal AgentsDermatophytosisIndiaMultiresistanceOutbreakTrichophyton indotineae

Identifiers

PMID33847867
PMCPMC8249266

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Registered trials

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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.