Evidence map›Paper›PMID 15215142›Full record

ArticleAntimicrobial agents and chemotherapy2004

Substitutions at methionine 220 in the 14alpha-sterol demethylase (Cyp51A) of Aspergillus fumigatus are responsible for resistance in vitro to azole antifungal drugs.

E Mellado, G Garcia-Effron, L Alcazar-Fuoli, M Cuenca-Estrella, J L Rodriguez-Tudela

Abstract read
In one paragraph

Article in Antimicrobial agents and chemotherapy, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 107 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
107citing papers in PubMed, 1 pooled it
–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

107 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Practice Guidelines for the Diagnosis and Management of Aspergillosis: 2016 Update by the Infectious Diseases Society of America.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2016
    Guideline
  2. Antifungal Susceptibility andMicroorganisms · 2026
    Article
  3. A long non-coding RNA,mSphere · 2026
    Article
  4. Genotype-Phenotype Relationships in Azole-ResistantJournal of fungi (Basel, Switzerland) · 2026
    Review
  5. Article
  6. A long non-coding RNA,bioRxiv : the preprint server for biology · 2026
    Article
  7. Antifungal Susceptibility and Genotypic Analysis ofInfection and drug resistance · 2024
    Article
  8. Drug-ResistantPathogens (Basel, Switzerland) · 2023
    Review
  9. Article
  10. Fungal Drug Response and Antimicrobial Resistance.Journal of fungi (Basel, Switzerland) · 2023
    Review
  11. Review
  12. Gene Amplification ofAntimicrobial agents and chemotherapy · 2022
    Article
  13. Article
  14. Azole Resistance in Clinical and EnvironmentalJournal of fungi (Basel, Switzerland) · 2021
    Article
  15. Review
  16. Characterization ofApplied and environmental microbiology · 2021
    Article
  17. Article
  18. Application of Machine Learning Classifier toFrontiers in cellular and infection microbiology · 2021
    Article
  19. Review
  20. Article

47 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

5 authors.

E MelladoServicio de Micología, Centro Nacional de Microbiología, Instituto de Salud Carlos III, Carretera Majadahonda-Pozuelo Km2, 28220 Madrid, Spain. emellado@isciii.es
G Garcia-Effron
L Alcazar-Fuoli
M Cuenca-Estrella
J L Rodriguez-Tudela

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Five clinical isolates of Aspergillus fumigatus that exhibited similar patterns of reduced susceptibility to itraconazole and other triazole drugs were analyzed. Sequence analysis of genes (cyp51A and cyp51B) encoding the 14alpha-sterol demethylases revealed that all five strains harbored mutations in cyp51A resulting in the replacement of methionine at residue 220 by valine, lysine, or threonine. When the mutated cyp51A genes were introduced into an A. fumigatus wild-type strain, the transformants exhibited reduced susceptibility to all triazole agents, confirming that the mutations were responsible for the resistance phenotype.

Indexed as

AllelesAmino Acid SequenceAmino Acid SubstitutionAntifungal AgentsAspergillus fumigatusAzolesCytochrome P-450 Enzyme SystemDrug Resistance, FungalFungal ProteinsMethionineMicrobial Sensitivity TestsMolecular Sequence DataMutationReverse Transcriptase Polymerase Chain ReactionAntifungal AgentsAzolesCytochrome P-450 Enzyme SystemFungal ProteinsMethionine

Identifiers

PMID15215142
PMCPMC434164

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.