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Crystallodon Alvarenga Gen. Nov., a New Genus of the Auriculariales from the Neotropics

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Crystallodon Alvarenga Gen. Nov., a New Genus of the Auriculariales from the Neotropics cryptogamie Mycologie 2021 ● 42 ● 2 DIRECTEUR DE LA PUBLICATION / PUBLICATION DIRECTOR : Bruno DAVID Président du Muséum national d’Histoire naturelle RÉDACTEUR EN CHEF / EDITOR-IN-CHIEF : Bart BUYCK ASSISTANTE DE RÉDACTION / ASSISTANT EDITOR : Marianne SALAÜN ([email protected]) MISE EN PAGE / PAGE LAYOUT : Marianne SALAÜN RÉDACTEURS ASSOCIÉS / ASSOCIATE EDITORS : Slavomír ADAMČÍK Institute of Botany, Plant Science and Biodiversity Centre, Slovak Academy of Sciences, Dúbravská cesta 9, SK-84523, Bratislava (Slovakia) André APTROOT ABL Herbarium, G.v.d. Veenstraat 107, NL-3762 XK Soest (The Netherlands) Cony DECOCK Mycothèque de l’Université catholique de Louvain, Earth and Life Institute, Microbiology, Université catholique de Louvain, Croix du Sud 3, B-1348 Louvain-la-Neuve (Belgium) André FRAITURE Botanic Garden Meise, Domein van Bouchout, B-1860 Meise (Belgium) Kevin D. HYDE School of Science, Mae Fah Luang University, 333 M. 1 T.Tasud Muang District, Chiang Rai 57100 (Thailand) Valérie HOFSTETTER Station de recherche Agroscope Changins-Wädenswil, Dépt. Protection des plantes, Mycologie, CH-1260 Nyon 1 (Switzerland) Sinang HONGSANAN College of Life Science and Oceanography, Shenzhen University, 1068, Nanhai Avenue, Nanshan, ShenZhen 518055 (China) Egon HORAK Schlossfeld 17, A-6020 Innsbruck (Austria) Jing LUO Department of Plant Biology & Pathology, Rutgers University New Brunswick, NJ 08901 (United States) Ruvishika S. JAYAWARDENA Center of Excellence in Fungal Research, Mae Fah Luang University, 333 M. 1 T.Tasud Muang District, Chiang Rai 57100 (Thailand) Chen JIE Instituto de Ecología, Xalapa 91070, Veracruz (México) Sajeewa S.N. MAHARCHCHIKUMBURA Department of Crop Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University (Oman) Pierre-Arthur MOREAU UE 7144. Faculté des Sciences pharmaceutiques et biologiques. Université Lille Nord de France. F-59006 Lille (France) Tian QING Center of Excellence in Fungal Research, Mae Fah Luang University 333 M. 1 T.Tasud Muang District, Chiang Rai 57100 (Thailand) Sylvie RAPIOR Laboratoire de Botanique, Phytochimie et Mycologie / UMR -CNRS 5175 CEFE, Faculté de Pharmacie, 15, avenue Charles-Flahault, Université Montpellier I, BP 14491, 34093 Montpellier Cedex 5 (France) Franck RICHARD Université de Montpellier II, CEFE/CNRS Campus du CNRS, 1919, route de Mende, 34293 Montpellier Cedex 5 (France) Naritsada THONGKLANG Center of Excellence in Fungal Research, Mae Fah Luang University, 333 M. 1 T.Tasud Muang District, Chiang Rai 57100 (Thailand) Xiang-Hua WANG CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Lanhei Road 132, Kunming 650201, P. R. (China) COUVERTURE / COVER : Extraits d’éléments de la Figure 2 / Extracts of the Figure 2 Cryptogamie, Mycologie est indexé dans / Cryptogamie, Mycologie is indexed in: – Biological Abstracts – Current Contents – Science Citation Index – Publications bibliographiques du CNRS (Pascal). Cryptogamie, Mycologie est distribué en version électronique par / Cryptogamie, Mycologie is distributed electronically by: – BioOne® (http://www.bioone.org/loi/crym) Cryptogamie, Mycologie est une revue en flux continu publiée par les Publications scientifiques du Muséum, Paris Cryptogamie, Mycologie is a fast track journal published by the Museum Science Press, Paris Les Publications scientifiques du Muséum publient aussi / The Museum Science Press also publishes: Adansonia, Geodiversitas, Zoosystema, Anthropozoologica, European Journal of Taxonomy, Naturae, Cryptogamie sous-sections Algologie, Bryologie, Comptes Rendus Palevol. Diffusion – Publications scientifiques Muséum national d’Histoire naturelle CP 41 – 57 rue Cuvier F-75231 Paris cedex 05 (France) Tél. : 33 (0)1 40 79 48 05 / Fax : 33 (0)1 40 79 38 40 [email protected] / http://sciencepress.mnhn.fr © Publications scientifiques du Muséum national d’Histoire naturelle, Paris, 2021 ISSN (imprimé / print) : 0181-1584/ ISSN (électronique / electronic) : 1776-100 Crystallodon Alvarenga gen. nov., a new genus of the Auriculariales from the Neotropics Renato Lúcio Mendes ALVARENGA Tatiana Baptista GIBERTONI Departamento de Micologia, Centro de Biociências, Universidade Federal de Pernambuco, Avenida da Engenharia, S/N 50740-600 – Cidade Universitária, Recife, Pernambuco (Brazil) [email protected] (corresponding author) Submitted on 9 September 2019 | Accepted on 6 January 2021 | Published on 19 February 2021 Alvarenga R. L. M. & Gibertoni T. B. 2021. — Crystallodon Alvarenga gen. nov., a new genus of the Auriculariales from the Neotropics. Cryptogamie, Mycologie 42 (2): 17-24. https://doi.org/10.5252/cryptogamie-mycologie2021v42a2. http://cryptogamie.com/mycologie/42/2 ABSTRACT Heterochaete subgelatinosa Bodman (Auriculariales, Basidiomycota) was first described from material KEY WORDS Basidiomycota, collected in Panama and was hitherto exclusively known from the type locality. We recently re-collected Agaricomycetes, specimens of this species in the Atlantic forest of North-eastern Brazil. Morphological and molecular tropical forest, data suggest that H. subgelatinosa is not closely related to other species of Heterochaete Pat. studied rDNA phylogeny, new combination, with modern methods. Therefore, we here propose the establishment of a new monotypic genus, new genus. Crystallodon Alvarenga gen. nov., characterized by the presence of hyphal pegs surrounded by crystals. RÉSUMÉ Crystallodon Alvarenga gen. nov., un nouveau genre des Auriculariales des Néotropiques. Heterochaete subgelatinosa Bodman (Auriculariales, Basidiomycota) a été décrite pour la première fois à partir de matériel collecté au Panama et était jusqu’ici exclusivement connu de la localité type. MOTS CLÉS Basidiomycota, Nous avons récemment recollecté des spécimens de cette espèce dans la forêt atlantique du nord-est Agaricomycetes, du Brésil. Les données morphologiques et moléculaires suggèrent que H. subgelatinosa n’est pas étroi- forêts tropicales, tement apparenté aux autres espèces d’Heterochaete Pat. étudiées avec des méthodes modernes. Par phylogénie de l’ADNr, combinaison nouvelle, conséquent, nous proposons ici la création d’un nouveau genre monotypique, Crystallodon Alvarenga genre nouveau. gen. nov., caractérisé par la présence de chevilles d’hyphe entourées de cristaux. CRYPTOGAMIE, MYCOLOGIE • 2021 • 42 (2) © Publications scientifiques du Muséum national d’Histoire naturelle, Paris. www.cryptogamie.com/mycologie 17 Alvarenga R. L. M. & Gibertoni T. B. INTRODUCTION Viégas (1945); Lowy (1971, 1976, 1977, 1987) and Rob- erts (2003, 2006, 2008). The specimens were deposited in Currently, the order Auriculariales includes saprophytic spe- the Herbarium of the Departamento de Micologia, UFPE cies with resupinate, effused-reflexed, hydnoid, cerebriform, (URM) (Thiers 2016). coralloid, or pileate basidiomata (Wells & Bandoni 2001; Hibbett et al. 2014), possessing “complex septal pores with DNA EXTRACTION, PCR, SEQUENCING imperforate caps (dolipores with continuous parenthesomes), AND PHYLOGENETIC ANALYSES transversely, obliquely to longitudinally, or even partially DNA extraction was performed with the DNeasy Plant Mini septate basidia, and basidiospores that are generally capable Kit (Qiagen), following the manufacturer’s protocol. Polymerase of germinating with the development of hyphae, secondary chain reaction (PCR) was performed with the extracted DNA ballistospores, or microconidia” (Wells & Bandoni 2001). targeting the nuclear rDNA internal transcribed spacers (ITS1- Therefore, the delimitation of Auriculariales was principally 5.8 S-ITS2 = ITS) and nuclear rDNA large subunit (LSU, based on the characteristics observed under optical and elec- 28S). For the ITS region we used the primers ITS1F-ITS4 tron microscopy, but was since also supported by molecular (White et al. 1990; Gardes & Bruns 1993), whereas LR0R analyses (Weiss & Oberwinkler 2001; Malysheva & Spirin and LR5 (Vilgalys & Hester 1990) were used to amplify the 2017; Spirin et al. 2019a, b). D1/D2 domains of the 28S rRNA. However, the hymenophores of resupinate Auriculariales PCR products were purified with the ExoSAP-IT PCR may vary from smooth, tuberculate, and hydnoid to papil- Product Cleanup kit (Thermo Fisher Scientific). The sequences late, in a way that does not reflect lineages within Auricu- were provided by the Plataforma Tecnológica de Genômica e lariales, as some genera include species with different types Expressão Gênica do Centro de Biociências (UFPE). of hymenophores (e.g. Adustochaete Alvarenga & K.H.Larss., The assembly and editing of sequences were performed Eichleriella Bres., Protomerulius Möller) (Malysheva & Spirin with the Staden Package 2.0 software (Staden et al. 1998) and 2017; Alvarenga et al. 2019; Spirin et al. 2019b). Moreover, MEGA 6 (Tamura et al. 2013). Sequences were compared species with sterile spines (hyphal pegs) have so far been with sequences deposited in GenBank (https://www.ncbi. described in genera such as Eichleriella, Heterochaete Pat., nlm.nih.gov/genbank/). The sequences generated in this study Heteroradulum Lloyd ex Spirin & Malysheva, Proterochaete were also deposited in GenBank under accession number: Spirin & V. Malysheva, Adustochaete and Metulochaete Alva- MN475887, MN475888, MN475889, MN475890 (LSU) renga (Bodman 1952; Malysheva & Spirin 2017; Alvarenga and MN475884, MN475885, MN475886 (ITS) (Table 1). et al. 2019; Spirin et al. 2019a, b). Following Malysheva et al. (2018), Sistotrema brinkman- Recently, several
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