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Current Fungal Infection Reports

, Volume 12, Issue 2, pp 59–65 | Cite as

The Black Yeasts: an Update on Species Identification and Diagnosis

  • Connie F. Cañete-Gibas
  • Nathan P. Wiederhold
Advances in Diagnosis of Invasive Fungal Infections (S Chen, Section Editor)
Part of the following topical collections:
  1. Topical Collection on Advances in Diagnosis of Invasive Fungal Infections

Abstract

Purpose of review

Black yeast-like fungi are capable of causing a wide range of infections, including invasive disease. The diagnosis of infections caused by these species can be problematic. We review the changes in the nomenclature and taxonomy of these fungi, and methods used for detection and species identification that aid in diagnosis.

Recent findings

Molecular assays, including DNA barcode analysis and rolling circle amplification, have improved our ability to correctly identify these species. A proteomic approach using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) has also shown promising results. While progress has been made with molecular techniques using direct specimens, data are currently limited.

Summary

Molecular and proteomic assays have improved the identification of black yeast-like fungi. However, improved molecular and proteomic databases and better assays for the detection and identification in direct specimens are needed to improve the diagnosis of disease caused by black yeast-like fungi.

Keywords

Black yeasts Diagnosis Species identification Cladophialophora Exophiala Fonsecaea Phialophora Rhinocladiella 

Notes

Compliance with Ethical Standards

Conflict of Interest

Connie F. Cañete-Gibas declares no conflict of interest.

Nathan P. Wiederhold has received grants from bioMerieux, Astellas, Pfizer, Merck, Viamet, F2G, MOE Medical Devices, and Cidara and has received travel reimbursement from Gilead.

Human and Animal Rights and Informed Consent

This article does not contain any studies with human or animal subjects performed by any of the authors.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • Connie F. Cañete-Gibas
    • 1
  • Nathan P. Wiederhold
    • 1
  1. 1.Fungus Testing Laboratory, Department of Pathology and Laboratory MedicineUniversity of Texas Health Science Center at San AntonioSan AntonioUSA

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