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Issue: Vol. 338 No. 2: 13 February 2018
Type: Article
Published: 2018-02-13
DOI: 10.11646/phytotaxa.338.2.2
Page range: 177–188
Abstract views: 20
PDF downloaded: 1

An appendage-bearing coelomycete Pseudotruncatella arezzoensis gen. and sp. nov. (Amphisphaeriales genera incertae sedis) from Italy, with notes on Monochaetinula

Guizhou Key Laboratory of Agricultural Biotechnology, Guizhou Academy of Agricultural Sciences, Guiyang, Guizhou Province 550006, P.R. China. School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand.
Department of Crop Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, PO Box 34, Al Khoud 123, Oman
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SAJEEWA S.N. MAHARACHCHIKUMBURA

PhD
School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand. Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, China. World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, P.R. China.
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KEVIN D. HYDE

PhD
Formerly at Department of Botany, Goa University, Goa 403206, India.
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D. JAYARAMA BHAT

PhD
A.M.B. Gruppo Micologico Forlivese, Antonio Cicognani, Via Roma 18, Forlì, Italy A.M.B. Circolo Micologico, Giovanni Carini, 314 Brescia, Italy Società per gli Studi Naturalistici della Romagna, 144 Bagnacavallo, RA, Italy
Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box: 2455, Riyadh, 1145, Saudi Arabia.
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E.B. GARETH JONES

PhD
School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand. Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand. Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, Yunnan, China. World Agroforestry Centre, East and Central Asia, 132 Lanhei Road, Kunming 650201, P.R. China.
4Department of Crop Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, PO Box 34, Al Khoud 123, Oman.
School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand.
Guizhou Key Laboratory of Agricultural Biotechnology, Guizhou Academy of Agricultural Sciences, Guiyang, Guizhou Province 550006, P.R. China.
Guizhou Key Laboratory of Agricultural Biotechnology, Guizhou Academy of Agricultural Sciences, Guiyang, Guizhou Province 550006, P.R. China.
morphology phylogenetic analysis Sordariomycetes Xylariomycetidae Fungi

Abstract

A Truncatella-like coelomycete fungus was isolated from dead branches of Cytisus and Helichrysum species from Arezzo Province, Italy. DNA sequence analyses of a combined LSU, ITS and SSU dataset indicated a close phylogenetic affinity of our isolate to Hyponectria buxi (Hyponectriaceae). Herein we describe it as a new genus with Pseudotruncatella arezzoensis sp. nov. However it cannot be referred to an appropriate familial position and therefore we refer it to Amphisphaeriales genera incertae sedis. Pseudotruncatella is characterized by holoblastic, annellidic, conidiogenous cells; 3-septate, fusiform to clavate conidia with 3 apical appendages, dark brown median cells and hyaline apical and basal cells. Neotruncatella is relegated to synonymy of Monochaetinula.