{"title":"Aspergillus fumigatus sensu stricto genetic diversity from cystic fibrosis patients","authors":"Aryse Martins Melo , Vanice Rodrigues Poester , Mariana Rodrigues Trápaga , Fernando Azevedo Faria , Valério Aquino , Cecília Bittencourt Severo , David A. Stevens , Cristina Veríssimo , Raquel Sabino , Melissa Orzechowski Xavier","doi":"10.1016/j.ijmm.2024.151639","DOIUrl":null,"url":null,"abstract":"<div><div>We aimed to access the genetic diversity of <em>Apergillus fumigatus</em> strains obtained from cystic fibrosis (CF) patients from southern Brazil. <em>A. fumigatus</em> sensu stricto isolates from respiratory clinical specimens were genotyped by microsatellite markers and azole resistance was evaluated by azole-agar screening. Twenty-seven isolates from twenty-seven patients showed a high genetic diversity, with the differentiation of 25 different genotypes (25 unique and one common to two isolates). All isolates were susceptible to the azoles tested. We believe that prospectively monitoring <em>A. fumigatus</em> genetic diversity is essential to identify interpatient transmission and outbreaks, as is the identification of resistant strains.</div></div>","PeriodicalId":50312,"journal":{"name":"International Journal of Medical Microbiology","volume":"317 ","pages":"Article 151639"},"PeriodicalIF":4.5000,"publicationDate":"2024-10-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Medical Microbiology","FirstCategoryId":"3","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S1438422124000432","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MICROBIOLOGY","Score":null,"Total":0}
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Abstract
We aimed to access the genetic diversity of Apergillus fumigatus strains obtained from cystic fibrosis (CF) patients from southern Brazil. A. fumigatus sensu stricto isolates from respiratory clinical specimens were genotyped by microsatellite markers and azole resistance was evaluated by azole-agar screening. Twenty-seven isolates from twenty-seven patients showed a high genetic diversity, with the differentiation of 25 different genotypes (25 unique and one common to two isolates). All isolates were susceptible to the azoles tested. We believe that prospectively monitoring A. fumigatus genetic diversity is essential to identify interpatient transmission and outbreaks, as is the identification of resistant strains.
期刊介绍：
Pathogen genome sequencing projects have provided a wealth of data that need to be set in context to pathogenicity and the outcome of infections. In addition, the interplay between a pathogen and its host cell has become increasingly important to understand and interfere with diseases caused by microbial pathogens. IJMM meets these needs by focussing on genome and proteome analyses, studies dealing with the molecular mechanisms of pathogenicity and the evolution of pathogenic agents, the interactions between pathogens and host cells ("cellular microbiology"), and molecular epidemiology. To help the reader keeping up with the rapidly evolving new findings in the field of medical microbiology, IJMM publishes original articles, case studies and topical, state-of-the-art mini-reviews in a well balanced fashion. All articles are strictly peer-reviewed. Important topics are reinforced by 2 special issues per year dedicated to a particular theme. Finally, at irregular intervals, current opinions on recent or future developments in medical microbiology are presented in an editorial section.
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