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Diversity of coelomycetous fungi in human infections: A 10-y experience of two European reference centres

Abstract : The coelomycetous fungi are difficult to properly identify from their phenotypic characterization and their role as etiologic agents of human infections is not clear. We studied the species distribution of these fungi among clinical isolates that had been collected and stored over a ten-year period in two European reference laboratories (France and Spain). We identified phenotypically and molecularly 97 isolates by sequencing the D1-D2 fragment of the 28S nrRNA (LSU) gene and we provided the in vitro antifungal susceptibility pattern of seven antifungals against 46 isolates. Species of the orders Pleosporales and Glomerellales were present in both collections, and Botryosphaeriales and Diaporthales only in the French one. The most prevalent species were Medicopsis romeroi, Neocucurbitaria keratinophila, Neocucurbitaria unguis-hominis and Paraconiothyrium cyclothyrioides, which had been recovered primarily from superficial tissues. The Didymellaceae was the most common family represented, with 27 isolates distributed into five genera. Most of the isolates tested were susceptible to antifungals, and only the geometric mean (GM) and minimal inhibitory concentration (MIC) values of itraconazole and caspofungin had higher values. This study provides a good picture of the great diversity of coelomycetous fungi in the European clinical context, and the basis for future studies on this interesting but neglected group of fungi.
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Submitted on : Tuesday, May 11, 2021 - 11:27:39 AM
Last modification on : Saturday, May 22, 2021 - 3:25:34 AM

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Dea Garcia-Hermoso, Nicomedes Valenzuela-Lopez, Olga Rivero-Menendez, Ana Alastruey-Izquierdo, Josep Guarro, et al.. Diversity of coelomycetous fungi in human infections: A 10-y experience of two European reference centres. Fungal Biology, Elsevier, 2019, 123 (4), pp.341 - 349. ⟨10.1016/j.funbio.2019.02.001⟩. ⟨pasteur-03223900⟩

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