Evidence map›Paper›PMID 25232160›Full record

ArticleJournal of clinical microbiology2014

Whole-genome comparison of Aspergillus fumigatus strains serially isolated from patients with aspergillosis.

Daisuke Hagiwara, Hiroki Takahashi, Akira Watanabe, Azusa Takahashi-Nakaguchi, Susumu Kawamoto, Katsuhiko Kamei, Tohru Gonoi

Open access · bronzeAbstract read
In one paragraph

Article in Journal of clinical microbiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed
4.3field-weighted citation impact, top 5% 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

60 citing papers in PubMed, 110 citations in OpenAlex.

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  9. Multi-Locus Microsatellite Typing of Colonising and InvasiveJournal of fungi (Basel, Switzerland) · 2024
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  10. Journal of fungi (Basel, Switzerland) · 2024
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  11. Mitogenome Variations in a Global Population ofJournal of fungi (Basel, Switzerland) · 2023
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  13. A novel ZnCurrent genetics · 2022
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  14. Article
  15. Review
  16. Assessing Differences between Clinical Isolates ofPathogens (Basel, Switzerland) · 2022
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  17. Review
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  20. Review
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

7 authors at 1 institution in 1 country.

Daisuke HagiwaraMedical Mycology Research Center (MMRC), Chiba University, Chiba, Japan dhagi@chiba-u.jp.
Hiroki TakahashiMedical Mycology Research Center (MMRC), Chiba University, Chiba, Japan.
Akira WatanabeMedical Mycology Research Center (MMRC), Chiba University, Chiba, Japan Division of Control and Treatment of Infectious Diseases, Chiba University Hospital, Chiba, Japan.
Azusa Takahashi-NakaguchiMedical Mycology Research Center (MMRC), Chiba University, Chiba, Japan.
Susumu KawamotoMedical Mycology Research Center (MMRC), Chiba University, Chiba, Japan.
Katsuhiko KameiMedical Mycology Research Center (MMRC), Chiba University, Chiba, Japan Division of Control and Treatment of Infectious Diseases, Chiba University Hospital, Chiba, Japan.
Tohru GonoiMedical Mycology Research Center (MMRC), Chiba University, Chiba, Japan.
Chiba University Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The emergence of azole-resistant strains of Aspergillus fumigatus during treatment for aspergillosis occurs by a mutation selection process. Understanding how antifungal resistance mechanisms evolve in the host environment during infection is of great clinical importance and biological interest. Here, we used next-generation sequencing (NGS) to identify mutations that arose during infection by A. fumigatus strains sequentially isolated from two patients, one with invasive pulmonary aspergillosis (IPA) (five isolations) and the other with aspergilloma (three isolations). The serial isolates had identical microsatellite types, but their growth rates and conidia production levels were dissimilar. A whole-genome comparison showed that three of the five isolates from the IPA patient carried a mutation, while 22 mutations, including six nonsynonymous ones, were found among three isolates from the aspergilloma patient. One aspergilloma isolate carried the cyp51A mutation P216L, which is reported to confer azole resistance, and it displayed an MIC indicating resistance to itraconazole. This isolate harbored five other nonsynonymous mutations, some of which were found in the afyap1 and aldA genes. We further identified a large deletion in the aspergilloma isolate in a region containing 11 genes. This finding suggested the possibility that genomic deletions can occur during chronic infection with A. fumigatus. Overall, our results revealed dynamic alterations that occur in the A. fumigatus genome within its host during infection and treatment.

Indexed as

Drug Resistance, FungalGenome, FungalAntifungal AgentsAspergillosisAspergillus fumigatusAzolesDNA, FungalGenotypeHigh-Throughput Nucleotide SequencingHumansJapanLongitudinal StudiesMicrobial Sensitivity TestsMicrosatellite RepeatsMolecular Sequence DataMutationAntifungal AgentsAzolesDNA, Fungal

Identifiers

PMID25232160
PMCPMC4313286
OpenAlexW1965072041

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.