Journal
FUNGAL BIOLOGY
Volume 120, Issue 2, Pages 265-278Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.funbio.2015.08.001
Keywords
beta-tubulin; Ecology; Fumonisin; Phylogeny; Taxonomy; Translation elongation factor 1 alpha
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Funding
- Ministry of Health, Oman [28/2014]
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The Fusarium fujikuroi species complex (FFSC) is one of the most common groups of fusaria associated with plant diseases, mycotoxin production and traumatic and disseminated human infections. Here we present the description and taxonomy of a new taxon, Fusarium ficicrescens sp. nov., collected from contaminated fig fruits in Iran. Initially this species was identified as Fusarium andiyazi by morphology. In the present study the species was studied by multilocus sequence analysis, amplified fragment length polymorphism (AFLP), matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS) and phenotypic characters. Multilocus analyses were based on translation elongation factor la (TEF1), RNA polymerase subunit (RPB2) and beta-tubulin (BT2) and proved F. ficicrescens as a member of the FFSC. Phylogenetic analysis showed that the fungus is closely related to Fusarium lactis, Fusarium ramigenum, and Fusarium napiforme; known plant pathogens, mycotoxin producers, and occasionally occurring multidrug resistant opportunists. The new species differed by being able to grow at 37 degrees C and by the absence of mycotoxin production. TEF1 was confirmed as an essential barcode for identifying Fusarium species. In addition to TEF1, we evaluated BT2 and RPB2 in order to provide sufficient genetic and species boundaries information for recognition of the novel species. (C) 2015 The British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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