Microbiological and Molecular Diagnosis of Mucormycosis: From Old to New

Members of the order Mucorales may cause severe invasive fungal infections (mucormycosis) in immune-compromised and otherwise ill patients. Diagnosis of Mucorales infections and discrimination from other filamentous fungi are crucial for correct management. Here, we present an overview of current st...

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Main Authors: Nina Lackner, Wilfried Posch, Cornelia Lass-Flörl
Format: Article
Language:English
Published: MDPI AG 2021-07-01
Series:Microorganisms
Subjects:
Online Access:https://www.mdpi.com/2076-2607/9/7/1518
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author Nina Lackner
Wilfried Posch
Cornelia Lass-Flörl
author_facet Nina Lackner
Wilfried Posch
Cornelia Lass-Flörl
author_sort Nina Lackner
collection DOAJ
description Members of the order Mucorales may cause severe invasive fungal infections (mucormycosis) in immune-compromised and otherwise ill patients. Diagnosis of Mucorales infections and discrimination from other filamentous fungi are crucial for correct management. Here, we present an overview of current state-of-the-art mucormycosis diagnoses, with a focus on recent developments in the molecular field. Classical diagnostic methods comprise histology/microscopy as well as culture and are still the gold standard. Newer molecular methods are evolving quickly and display great potential in early diagnosis, although standardization is still missing. Among them, quantitative PCR assays with or without melt curve analysis are most widely used to detect fungal DNA in clinical samples. Depending on the respective assay, sequencing of the resulting PCR product can be necessary for genus or even species identification. Further, DNA-based methods include microarrays and PCR-ESI-MS. However, general laboratory standards are still in development, meaning that molecular methods are currently limited to add-on analytics to culture and microscopy.
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spelling doaj.art-f5165d16b7ec41b09195675bd9ce90452023-11-22T04:26:58ZengMDPI AGMicroorganisms2076-26072021-07-0197151810.3390/microorganisms9071518Microbiological and Molecular Diagnosis of Mucormycosis: From Old to NewNina Lackner0Wilfried Posch1Cornelia Lass-Flörl2Department of Hygiene and Medical Microbiology, Medical University Innsbruck, 6020 Innsbruck, AustriaDepartment of Hygiene and Medical Microbiology, Medical University Innsbruck, 6020 Innsbruck, AustriaDepartment of Hygiene and Medical Microbiology, Medical University Innsbruck, 6020 Innsbruck, AustriaMembers of the order Mucorales may cause severe invasive fungal infections (mucormycosis) in immune-compromised and otherwise ill patients. Diagnosis of Mucorales infections and discrimination from other filamentous fungi are crucial for correct management. Here, we present an overview of current state-of-the-art mucormycosis diagnoses, with a focus on recent developments in the molecular field. Classical diagnostic methods comprise histology/microscopy as well as culture and are still the gold standard. Newer molecular methods are evolving quickly and display great potential in early diagnosis, although standardization is still missing. Among them, quantitative PCR assays with or without melt curve analysis are most widely used to detect fungal DNA in clinical samples. Depending on the respective assay, sequencing of the resulting PCR product can be necessary for genus or even species identification. Further, DNA-based methods include microarrays and PCR-ESI-MS. However, general laboratory standards are still in development, meaning that molecular methods are currently limited to add-on analytics to culture and microscopy.https://www.mdpi.com/2076-2607/9/7/1518MucoralesdiagnosisDNAPCRspecificitysensitivity
spellingShingle Nina Lackner
Wilfried Posch
Cornelia Lass-Flörl
Microbiological and Molecular Diagnosis of Mucormycosis: From Old to New
Microorganisms
Mucorales
diagnosis
DNA
PCR
specificity
sensitivity
title Microbiological and Molecular Diagnosis of Mucormycosis: From Old to New
title_full Microbiological and Molecular Diagnosis of Mucormycosis: From Old to New
title_fullStr Microbiological and Molecular Diagnosis of Mucormycosis: From Old to New
title_full_unstemmed Microbiological and Molecular Diagnosis of Mucormycosis: From Old to New
title_short Microbiological and Molecular Diagnosis of Mucormycosis: From Old to New
title_sort microbiological and molecular diagnosis of mucormycosis from old to new
topic Mucorales
diagnosis
DNA
PCR
specificity
sensitivity
url https://www.mdpi.com/2076-2607/9/7/1518
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