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      Morphology and Phylogeny of Two Novel Species within the Class Dothideomycetes Collected from Soil in Korea

      research-article
      a , a , b , a , b
      Mycobiology
      Taylor & Francis
      Didymocyrtis septata, morphology, Parathyridaria ellipsoidea, phylogeny

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          Abstract

          Two fungal strains (KNU-JJ-1827 and KNU-JJ-1829) belonging to the class Dothideomycetes were discovered from Jeju Island, Korea during this investigation of soil microfungi. Strain KNU-JJ-1827 showed fewer conidial septations, larger conidiogenous cells, and smaller conidia compared to the previously identified closest species of Didymocyrtis. Strain KNU-JJ-1829 revealed the similar characteristics of the nearest certain species of the genus Parathyridaria with the production of conidiogenous cells and conidia, because no asexual morphs were detected from the closest type strain Parathyridaria rosae. The novelty of the strains was also confirmed by analyzing molecular data using internal transcribed spacer regions and 28S rDNA. The molecular phylogeny also strongly support the detailed description and illustration for each proposed species as Didymocyrtis septata sp. nov. (KNU-JJ-1827) and Parathyridaria ellipsoidea sp. nov. (KNU-JJ-1829) isolated from soil in Korea.

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          Most cited references27

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          MEGA7: Molecular Evolutionary Genetics Analysis Version 7.0 for Bigger Datasets.

          We present the latest version of the Molecular Evolutionary Genetics Analysis (Mega) software, which contains many sophisticated methods and tools for phylogenomics and phylomedicine. In this major upgrade, Mega has been optimized for use on 64-bit computing systems for analyzing larger datasets. Researchers can now explore and analyze tens of thousands of sequences in Mega The new version also provides an advanced wizard for building timetrees and includes a new functionality to automatically predict gene duplication events in gene family trees. The 64-bit Mega is made available in two interfaces: graphical and command line. The graphical user interface (GUI) is a native Microsoft Windows application that can also be used on Mac OS X. The command line Mega is available as native applications for Windows, Linux, and Mac OS X. They are intended for use in high-throughput and scripted analysis. Both versions are available from www.megasoftware.net free of charge.
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            AMPLIFICATION AND DIRECT SEQUENCING OF FUNGAL RIBOSOMAL RNA GENES FOR PHYLOGENETICS

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              The neighbor-joining method: a new method for reconstructing phylogenetic trees.

              N Saitou, M Nei (1987)
              A new method called the neighbor-joining method is proposed for reconstructing phylogenetic trees from evolutionary distance data. The principle of this method is to find pairs of operational taxonomic units (OTUs [= neighbors]) that minimize the total branch length at each stage of clustering of OTUs starting with a starlike tree. The branch lengths as well as the topology of a parsimonious tree can quickly be obtained by using this method. Using computer simulation, we studied the efficiency of this method in obtaining the correct unrooted tree in comparison with that of five other tree-making methods: the unweighted pair group method of analysis, Farris's method, Sattath and Tversky's method, Li's method, and Tateno et al.'s modified Farris method. The new, neighbor-joining method and Sattath and Tversky's method are shown to be generally better than the other methods.
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                Author and article information

                Journal
                Mycobiology
                Mycobiology
                Mycobiology
                Taylor & Francis
                1229-8093
                2092-9323
                4 November 2020
                2021
                : 49
                : 1
                : 15-23
                Affiliations
                [a ]College of Agriculture and Life Sciences, Kyungpook National University , Daegu, Korea
                [b ]Institute of Plant Medicine, Kyungpook National University , Daegu, Korea
                Author notes
                CONTACT Hee-Young Jung heeyoung@ 123456knu.ac.kr
                Author information
                https://orcid.org/0000-0003-0906-3983
                https://orcid.org/0000-0003-1676-0330
                https://orcid.org/0000-0002-4254-3367
                Article
                1838114
                10.1080/12298093.2020.1838114
                7832580
                33536809
                88bb3b20-b42a-492e-997f-1030e26644c8
                © 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group on behalf of the Korean Society of Mycology.

                This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License ( http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                Page count
                Figures: 4, Tables: 3, Pages: 9, Words: 4795
                Categories
                Research Article
                Research Articles

                Plant science & Botany
                didymocyrtis septata,morphology,parathyridaria ellipsoidea,phylogeny
                Plant science & Botany
                didymocyrtis septata, morphology, parathyridaria ellipsoidea, phylogeny

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