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      Phialolunulospora vermispora (Chaetosphaeriaceae, Sordariomycetes), a novel asexual genus and species from freshwater in southern China

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          Abstract

          The asexual taxon Phialolunulospora vermispora gen. et sp. nov., collected from submerged dicotyledonous leaves in Hainan, China, is described and illustrated herein. Phialolunulospora gen. nov. is characterized by macronematous, semimacronematous, septate and pigmented conidiophores and acrogenous, long lunate, vermiform to sigmoid, hyaline conidia with an eccentric basal appendage. Complete sequences of internal transcribed spacer (ITS) and partial sequences of nuclear large subunits ribosomal DNA (LSU) genes are provided. Phylogenetic analyses of combined ITS and LSU sequences revealed its placement in the Chaetosphaeriaceae . The new fungus is compared with morphologically similar genera.

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          Most cited references 43

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          Basic local alignment search tool.

          A new approach to rapid sequence comparison, basic local alignment search tool (BLAST), directly approximates alignments that optimize a measure of local similarity, the maximal segment pair (MSP) score. Recent mathematical results on the stochastic properties of MSP scores allow an analysis of the performance of this method as well as the statistical significance of alignments it generates. The basic algorithm is simple and robust; it can be implemented in a number of ways and applied in a variety of contexts including straightforward DNA and protein sequence database searches, motif searches, gene identification searches, and in the analysis of multiple regions of similarity in long DNA sequences. In addition to its flexibility and tractability to mathematical analysis, BLAST is an order of magnitude faster than existing sequence comparison tools of comparable sensitivity.
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            MEGA6: Molecular Evolutionary Genetics Analysis version 6.0.

            We announce the release of an advanced version of the Molecular Evolutionary Genetics Analysis (MEGA) software, which currently contains facilities for building sequence alignments, inferring phylogenetic histories, and conducting molecular evolutionary analysis. In version 6.0, MEGA now enables the inference of timetrees, as it implements the RelTime method for estimating divergence times for all branching points in a phylogeny. A new Timetree Wizard in MEGA6 facilitates this timetree inference by providing a graphical user interface (GUI) to specify the phylogeny and calibration constraints step-by-step. This version also contains enhanced algorithms to search for the optimal trees under evolutionary criteria and implements a more advanced memory management that can double the size of sequence data sets to which MEGA can be applied. Both GUI and command-line versions of MEGA6 can be downloaded from www.megasoftware.net free of charge.
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              Precision Farming: Technologies and Information as Risk-Reduction Tools

               Franklin Hall (1999)
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                Author and article information

                Contributors
                Journal
                MycoKeys
                MycoKeys
                11
                urn:lsid:arphahub.com:pub:C004A564-9D6A-5F9F-B058-6A3815DFE9C3
                MycoKeys
                Pensoft Publishers
                1314-4057
                1314-4049
                2020
                22 December 2020
                : 76
                : 17-30
                Affiliations
                [1 ] Laboratory for Conservation and Utilization of Bio-resources, Key Laboratory for Microbial Resources of the Ministry of Education, School of Life Sciences, Yunnan University, Kunming, Yunnan, 650091, China Yunnan University Kunming China
                [2 ] Instituto de Investigaciones Fundamentales en Agricultura Tropical “Alejandro de Humboldt” (INIFAT), 17200, La Habana, Cuba Instituto de Investigaciones Fundamentales en Agricultura Tropical “Alejandro de Humboldt” La Habana Cuba
                Author notes
                Corresponding author: Zefen Yu ( zfyuqm@ 123456hotmail.com )

                Academic editor: H. Raja

                Article
                57410
                10.3897/mycokeys.76.57410
                7772286
                33384571
                Hua Zheng, Yake Wan, Jie Li, Rafael F. Castañeda-Ruiz, Zefen Yu

                This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                Funding
                Funded by: National Natural Science Foundation of China 501100001809 http://doi.org/10.13039/501100001809
                Categories
                Research Article
                Anamorphic Fungi
                Ascomycota
                Chaetosphaeriaceae
                Chaetosphaeriales
                Sordariomycetes
                Habitats
                Ecosystems & Natural Spaces
                Molecular Systematics
                Phylogeny
                Taxonomy
                Asia
                Middle East

                taxonomy, biodiversity, chaetosphaeriales , phylogeny

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