Novel Curvularia species from clinical specimens

Persoonia
Hugo MadridP W Crous

Abstract

The fungal genus Curvularia includes numerous plant pathogens and some emerging opportunistic pathogens of humans. In a previous study we used morphology and sequences of the nuclear ribosomal internal transcribed spacer region (ITS) and the glyceraldehyde-3-phosphate dehydrogenase (gpd) gene to identify species within a set of 99 clinical Curvularia isolates from the USA. Seventy-two isolates could be identified while the remaining 27 isolates belonged in three unclassified clades that were tentatively labelled Curvularia sp. I, II and III. In the present study, we further assess the taxonomic placement of these isolates using sequences of ITS, gpd, the large subunit rDNA, and the second largest subunit of RNA polymerase II. DNA sequence comparisons with a set of 87 isolates representing 33 Curvularia spp. and members of the closely-related genera Bipolaris and Exserohilum revealed that Curvularia sp. I, II and III represent novel lineages in Curvularia. These lineages are morphologically different from the currently accepted species. In the phylogenetic tree, Curvularia sp. I and sp. III were each split into two distinct lineages. Morphology and phylogeny supported the proposal of five new species, to be named C. americana, C...Continue Reading

Citations

Dec 11, 2014·Studies in Mycology·D S ManamgodaK D Hyde
Jul 25, 2017·The Science of the Total Environment·Yelitza AguasMaría Inmaculada Polo-López
Jun 17, 2016·Journal of Clinical Microbiology·David W Warnock
Jun 25, 2017·Journal of Clinical Microbiology·Aurore BousquetAnne-Claire Fougerousse
Dec 19, 2018·Journal of Fungi·Nathan P Wiederhold, Connie F C Gibas
Feb 7, 2019·Microbes and Environments·Yu-Hung Yeh, Roland Kirschner
Jun 22, 2015·Mycopathologia·K SamerpitakG S de Hoog
Sep 26, 2020·Indian Journal of Ophthalmology·Ashi KhuranaLokesh Chauhan
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Jul 2, 2020·MycoKeys·Isabel Iturrieta-GonzálezDania García
Jan 26, 2021·Obesity·Ningning YouJunping Shi
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Sep 8, 2021·Brazilian Journal of Microbiology : [publication of the Brazilian Society for Microbiology]·Amanda da Silva RibeiroJoão Alencar Pamphile
Jul 1, 2017·Studies in Mycology·Y Marin-FelixP W Crous
Jul 13, 2018·Studies in Mycology·Y Marin-FelixP W Crous

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Datasets Mentioned

BETA
MB806052
MB806053
MB806054
MB806055
MB806056

Methods Mentioned

BETA
PCR
PCA
light microscopy

Software Mentioned

ClustalX
MrModeltest
MrBayes
Adobe® Photoshop® Creative Suite
MEGA5
SeqMan Pro

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