Medical Mycology | VOL. 60
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P324 Phylogenetic and ecological overview of Onygenales

Publication Date Sep 1, 2022

Abstract

Abstract Poster session 3, September 23, 2022, 12:30 PM - 1:30 PM   Objectives To evaluate the general taxonomy and phylogeny of the order Onygenales using ecological, morphological, and molecular data, stimulate awareness of correct identification of neglected groups in the order, and contribute to the stabilization of the nomenclature. Methods In total 97 genera, 385 species, and 553 strains were analyzed in this study. The ITS, LSU, TUB, TEF3, and RP60S gene regions were amplified and sequenced. Sequences for the RPB1, RPB2, and TEF1 regions were retrieved from the NCBI nucleotide database. Whole genome data for 53 strains were also included in phylogenetic tree analyses. Ecology and ascomata morphology for the type species were retrieved from the literature. Phylogenetic trees were constructed using the maximum likelihood methods implemented in IQ-TREE software and MRBAYES v3.2.7 on the CIPRES portal. Additionally, relative divergence time within Onygenales was estimated based on the RelTime method implemented in MEGA 7. Results A total of 1667 sequences for LSU (n = 421), ITS (n = 519), TUB (n = 189), RP60S (n = 123), TEF1 (n = 119), TEF3 (n = 144), RPB1 (n = 71), and RPB2 (n = 97) were examined. The results of the combined data analysis yielded 14 clades with ≥90% sup...

Concepts

Relative Divergence Time Choice Of Outgroups Spore Cyst Type Species Diversification Of Species Phylogenetic Tree Analyses Ecological Preferences Ancestral Characteristics Type Genera Taxon Sampling

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