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IMA Fungus

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https://www.readbyqxmd.com/read/30018880/ima-genome-f-9-draft-genome-sequence-of-annulohypoxylon-stygium-aspergillus-mulundensis-berkeleyomyces-basicola-syn-thielaviopsis-basicola-ceratocystis-smalleyi-two-cercospora-beticola-strains-coleophoma-cylindrospora-fusarium-fracticaudum-phialophora-cf-hyalina
#1
Brenda D Wingfield, Gerald F Bills, Yang Dong, Wenli Huang, Wilma J Nel, Benedicta S Swalarsk-Parry, Niloofar Vaghefi, P Markus Wilken, Zhiqiang An, Z Wilhelm de Beer, Lieschen De Vos, Li Chen, Tuan A Duong, Yun Gao, Almuth Hammerbacher, Julie R Kikkert, Yan Li, Huiying Li, Kuan Li, Qiang Li, Xingzhong Liu, Xiao Ma, Kershney Naidoo, Sarah J Pethybridge, Jingzu Sun, Emma T Steenkamp, Magriet A van der Nest, Stephanie van Wyk, Michael J Wingfield, Chuan Xiong, Qun Yue, Xiaoling Zhang
Draft genomes of the species Annulohypoxylon stygium, Aspergillus mulundensis, Berkeleyomyces basicola (syn. Thielaviopsis basicola) , Ceratocystis smalleyi, two Cercospora beticola strains, Coleophoma cylindrospora , Fusarium fracticaudum , Phialophora cf. hyalina and Morchella septimelata are presented . Both mating types (MAT1-1 and MAT1-2) of Cercospora beticola are included. Two strains of Coleophoma cylindrospora that produce sulfated homotyrosine echinocandin variants, FR209602, FR220897 and FR220899 are presented...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018879/sequence-based-nomenclature-a-reply-to-thines-et-al-and-zamora-et-al-and-provisions-for-an-amended-proposal-from-the-floor-to-allow-dna-sequences-as-types-of-names
#2
Robert Lücking, Paul M Kirk, David L Hawksworth
We reply to two recently published, multi-authored opinion papers by opponents of sequence-based nomenclature, namely Zamora et al . ( IMA Fungus 9 : 167-175,2018) and Thines et al . ( IMA Fungus 9 : 177-183, 2018). While we agree with some of the principal arguments brought forward by these authors, we address misconceptions and demonstrate that some of the presumed evidence presented in these papers has been wrongly interpreted. We disagree that allowing sequences as types would fundamentally alter the nature of types, since a similar nature of abstracted features as type is already allowed in the Code (Art...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018878/ten-reasons-why-a-sequence-based-nomenclature-is-not-useful-for-fungi-anytime-soon
#3
Marco Thines, Pedro W Crous, M Catherine Aime, Takayuki Aoki, Lei Cai, Kevin D Hyde, Andrew N Miller, Ning Zhang, Marc Stadler
The large number of species still to be discovered in fungi, together with an exponentially growing number of environmental sequences that cannot be linked to known taxa, has fuelled the idea that it might be necessary to formally name fungi on the basis of sequence data only. Here we object to this idea due to several shortcomings of the approach, ranging from concerns regarding reproducibility and the violation of general scientific principles to ethical issues. We come to the conclusion that sequence-based nomenclature is potentially harmful for mycology as a discipline...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018877/considerations-and-consequences-of-allowing-dna-sequence-data-as-types-of-fungal-taxa
#4
Juan Carlos Zamora, Måns Svensson, Roland Kirschner, Ibai Olariaga, Svengunnar Ryman, Luis Alberto Parra, József Geml, Anna Rosling, Slavomír Adamčík, Teuvo Ahti, M Catherine Aime, A Martyn Ainsworth, László Albert, Edgardo Albertó, Alberto Altés García, Dmitry Ageev, Reinhard Agerer, Begoña Aguirre-Hudson, Joe Ammirati, Harry Andersson, Claudio Angelini, Vladimír Antonín, Takayuki Aoki, André Aptroot, Didier Argaud, Blanca Imelda Arguello Sosa, Arne Aronsen, Ulf Arup, Bita Asgari, Boris Assyov, Violeta Atienza, Ditte Bandini, João Luís Baptista-Ferreira, Hans-Otto Baral, Tim Baroni, Robert Weingart Barreto, Henry Beker, Ann Bell, Jean-Michel Bellanger, Francesco Bellù, Martin Bemmann, Mika Bendiksby, Egil Bendiksen, Katriina Bendiksen, Lajos Benedek, Anna Bérešová-Guttová, Franz Berger, Reinhard Berndt, Annarosa Bernicchia, Alona Yu Biketova, Enrico Bizio, Curtis Bjork, Teun Boekhout, David Boertmann, Tanja Böhning, Florent Boittin, Carlos G Boluda, Menno W Boomsluiter, Jan Borovička, Tor Erik Brandrud, Uwe Braun, Irwin Brodo, Tatiana Bulyonkova, Harold H Burdsall, Bart Buyck, Ana Rosa Burgaz, Vicent Calatayud, Philippe Callac, Emanuele Campo, Massimo Candusso, Brigitte Capoen, Joaquim Carbó, Matteo Carbone, Rafael F Castañeda-Ruiz, Michael A Castellano, Jie Chen, Philippe Clerc, Giovanni Consiglio, Gilles Corriol, Régis Courtecuisse, Ana Crespo, Cathy Cripps, Pedro W Crous, Gladstone Alves da Silva, Meiriele da Silva, Marjo Dam, Nico Dam, Frank Dämmrich, Kanad Das, Linda Davies, Eske De Crop, Andre De Kesel, Ruben De Lange, Bárbara De Madrignac Bonzi, Thomas Edison E Dela Cruz, Lynn Delgat, Vincent Demoulin, Dennis E Desjardin, Paul Diederich, Bálint Dima, Maria Martha Dios, Pradeep Kumar Divakar, Clovis Douanla-Meli, Brian Douglas, Elisandro Ricardo Drechsler-Santos, Paul S Dyer, Ursula Eberhardt, Damien Ertz, Fernando Esteve-Raventós, Javier Angel Etayo Salazar, Vera Evenson, Guillaume Eyssartier, Edit Farkas, Alain Favre, Anna G Fedosova, Mario Filippa, Péter Finy, Adam Flakus, Simón Fos, Jacques Fournier, André Fraiture, Paolo Franchi, Ana Esperanza Franco Molano, Gernot Friebes, Andreas Frisch, Alan Fryday, Giuliana Furci, Ricardo Galán Márquez, Matteo Garbelotto, Joaquina María García-Martín, Mónica A García Otálora, Dania García Sánchez, Alain Gardiennet, Sigisfredo Garnica, Isaac Garrido Benavent, Genevieve Gates, Alice da Cruz Lima Gerlach, Masoomeh Ghobad-Nejhad, Tatiana B Gibertoni, Tine Grebenc, Irmgard Greilhuber, Bella Grishkan, Johannes Z Groenewald, Martin Grube, Gérald Gruhn, Cécile Gueidan, Gro Gulden, Luis Fp Gusmão, Josef Hafellner, Michel Hairaud, Marek Halama, Nils Hallenberg, Roy E Halling, Karen Hansen, Christoffer Bugge Harder, Jacob Heilmann-Clausen, Stip Helleman, Alain Henriot, Margarita Hernandez-Restrepo, Raphaël Herve, Caroline Hobart, Mascha Hoffmeister, Klaus Høiland, Jan Holec, Håkon Holien, Karen Hughes, Vit Hubka, Seppo Huhtinen, Boris Ivančević, Marian Jagers, Walter Jaklitsch, AnnaElise Jansen, Ruvishika S Jayawardena, Thomas Stjernegaard Jeppesen, Mikael Jeppson, Peter Johnston, Per Magnus Jørgensen, Ingvar Kärnefelt, Liudmila B Kalinina, Gintaras Kantvilas, Mitko Karadelev, Taiga Kasuya, Ivona Kautmanová, Richard W Kerrigan, Martin Kirchmair, Anna Kiyashko, Dániel G Knapp, Henning Knudsen, Kerry Knudsen, Tommy Knutsson, Miroslav Kolařík, Urmas Kõljalg, Alica Košuthová, Attila Koszka, Heikki Kotiranta, Vera Kotkova, Ondřej Koukol, Jiří Kout, Gábor M Kovács, Martin Kříž, Åsa Kruys, Viktor Kučera, Linas Kudzma, Francisco Kuhar, Martin Kukwa, T K Arun Kumar, Vladimír Kunca, Ivana Kušan, Thomas W Kuyper, Carlos Lado, Thomas Læssøe, Patrice Lainé, Ewald Langer, Ellen Larsson, Karl-Henrik Larsson, Gary Laursen, Christian Lechat, Serena Lee, James C Lendemer, Laura Levin, Uwe Lindemann, Håkan Lindström, Xingzhong Liu, Regulo Carlos Llarena Hernandez, Esteve Llop, Csaba Locsmándi, Deborah Jean Lodge, Michael Loizides, László Lőkös, Jennifer Luangsa-Ard, Matthias Lüderitz, Thorsten Lumbsch, Matthias Lutz, Dan Mahoney, Ekaterina Malysheva, Vera Malysheva, Patinjareveettil Manimohan, Yasmina Marin-Felix, Guilhermina Marques, Rubén Martínez-Gil, Guy Marson, Gerardo Mata, P Brandon Matheny, Geir Harald Mathiassen, Neven Matočec, Helmut Mayrhofer, Mehdi Mehrabi, Ireneia Melo, Armin Mešić, Andrew S Methven, Otto Miettinen, Ana M Millanes Romero, Andrew N Miller, James K Mitchell, Roland Moberg, Pierre-Arthur Moreau, Gabriel Moreno, Olga Morozova, Asunción Morte, Lucia Muggia, Guillermo Muñoz González, Leena Myllys, István Nagy, László G Nagy, Maria Alice Neves, Tuomo Niemelä, Pier Luigi Nimis, Nicolas Niveiro, Machiel E Noordeloos, Anders Nordin, Sara Raouia Noumeur, Yuri Novozhilov, Jorinde Nuytinck, Esteri Ohenoja, Patricia Oliveira Fiuza, Alan Orange, Alexander Ordynets, Beatriz Ortiz-Santana, Leticia Pacheco, Ferenc Pál-Fám, Melissa Palacio, Zdeněk Palice, Viktor Papp, Kadri Pärtel, Julia Pawlowska, Aurelia Paz, Ursula Peintner, Shaun Pennycook, Olinto Liparini Pereira, Pablo Pérez Daniëls, Miquel À Pérez-De-Gregorio Capella, Carlos Manuel Pérez Del Amo, Sergio Pérez Gorjón, Sergio Pérez-Ortega, Israel Pérez-Vargas, Brian A Perry, Jens H Petersen, Ronald H Petersen, Donald H Pfister, Chayanard Phukhamsakda, Marcin Piątek, Meike Piepenbring, Raquel Pino-Bodas, Juan Pablo Pinzón Esquivel, Paul Pirot, Eugene S Popov, Orlando Popoff, María Prieto Álvaro, Christian Printzen, Nadezhda Psurtseva, Witoon Purahong, Luis Quijada, Gerhard Rambold, Natalia A Ramírez, Huzefa Raja, Olivier Raspé, Tania Raymundo, Martina Réblová, Yury A Rebriev, Juan de Dios Reyes García, Miguel Ángel Ribes Ripoll, Franck Richard, Mike J Richardson, Víctor J Rico, Gerardo Lucio Robledo, Flavia Rodrigues Barbosa, Cristina Rodriguez-Caycedo, Pamela Rodriguez-Flakus, Anna Ronikier, Luis Rubio Casas, Katerina Rusevska, Günter Saar, Irja Saar, Isabel Salcedo, Sergio M Salcedo Martínez, Carlos A Salvador Montoya, Santiago Sánchez-Ramírez, J Vladimir Sandoval-Sierra, Sergi Santamaria, Josiane Santana Monteiro, Hans Josef Schroers, Barbara Schulz, Geert Schmidt-Stohn, Trond Schumacher, Beatrice Senn-Irlet, Hana Ševčíková, Oleg Shchepin, Takashi Shirouzu, Anton Shiryaev, Klaus Siepe, Esteban B Sir, Mohammad Sohrabi, Karl Soop, Viacheslav Spirin, Toby Spribille, Marc Stadler, Joost Stalpers, Soili Stenroos, Ave Suija, Stellan Sunhede, Sten Svantesson, Sigvard Svensson, Tatyana Yu Svetasheva, Krzysztof Świerkosz, Heidi Tamm, Hatira Taskin, Adrien Taudière, Jan-Olof Tedebrand, Raúl Tena Lahoz, Marina Temina, Arne Thell, Marco Thines, Göran Thor, Holger Thüs, Leif Tibell, Sanja Tibell, Einar Timdal, Zdenko Tkalčec, Tor Tønsberg, Gérard Trichies, Dagmar Triebel, Andrei Tsurykau, Rodham E Tulloss, Veera Tuovinen, Miguel Ulloa Sosa, Carlos Urcelay, François Valade, Ricardo Valenzuela Garza, Pieter van den Boom, Nicolas Van Vooren, Aida M Vasco-Palacios, Jukka Vauras, Juan Manuel Velasco Santos, Else Vellinga, Annemieke Verbeken, Per Vetlesen, Alfredo Vizzini, Hermann Voglmayr, Sergey Volobuev, Wolfgang von Brackel, Elena Voronina, Grit Walther, Roy Watling, Evi Weber, Mats Wedin, Øyvind Weholt, Martin Westberg, Eugene Yurchenko, Petr Zehnálek, Huang Zhang, Mikhail P Zhurbenko, Stefan Ekman
Nomenclatural type definitions are one of the most important concepts in biological nomenclature. Being physical objects that can be re-studied by other researchers, types permanently link taxonomy (an artificial agreement to classify biological diversity) with nomenclature (an artificial agreement to name biological diversity). Two proposals to amend the International Code of Nomenclature for algae, fungi, and plants (ICN), allowing DNA sequences alone (of any region and extent) to serve as types of taxon names for voucherless fungi (mainly putative taxa from environmental DNA sequences), have been submitted to be voted on at the 11th International Mycological Congress (Puerto Rico, July 2018)...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018876/formal-description-of-sequence-based-voucherless-fungi-promises-and-pitfalls-and-how-to-resolve-them
#5
Robert Lücking, David L Hawksworth
There is urgent need for a formal nomenclature of sequence-based, voucherless Fungi , given that environmental sequencing has accumulated more than one billion fungal ITS reads in the Sequence Read Archive, about 1,000 times as many as fungal ITS sequences in GenBank. These unnamed Fungi could help to bridge the gap between 115,000 to 140,000 currently accepted and 2.2 to 3.8 million predicted species, a gap that cannot realistically be filled using specimen or culture-based inventories. The Code never aimed at placing restrictions on the nature of characters chosen for taxonomy, and the requirement for physical types is now becoming a constraint on the advancement of science...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018875/panama-a-hot-spot-for-hermatomyces-hermatomycetaceae-pleosporales-with-five-new-species-and-a-critical-synopsis-of-the-genus
#6
Ondřej Koukol, Gregorio Delgado, Tina A Hofmann, Meike Piepenbring
Five new species belonging to Hermatomyces ( Hermatomycetaceae , Pleosporales ) are described based on morphological investigations of specimens collected on rotten twigs and stems of various plants in Panama as well as phylogenetic analyses of sequence data of nuclear ribosomal and protein coding genes (EF1-α, RPB2, β-TUB). The new species are described as: Hermatomyces bifurcatus , H. constrictus , H. megasporus , H. sphaericoides , and H. verrucosus spp. nov. Previously described species such as H. sphaericus and H...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018874/ngs-barcode-sequencing-in-taxonomy-and-diagnostics-an-application-in-candida-pathogenic-yeasts-with-a-metagenomic-perspective
#7
Claudia Colabella, Laura Corte, Luca Roscini, Matteo Bassetti, Carlo Tascini, Joseph C Mellor, Wieland Meyer, Vincent Robert, Duong Vu, Gianluigi Cardinali
Species identification of yeasts and other Fungi is currently carried out with Sanger sequences of selected molecular markers, mainly from the ribosomal DNA operon, characterized by hundreds of tandem repeats of the 18S, ITS1, 5.8S, ITS2 and LSU loci . The ITS region has been recently proposed as a primary barcode marker making this region the most used one in taxonomy, phylogeny and diagnostics. The introduction of NGS is providing tools of high efficacy and relatively low cost to amplify two or more markers simultaneously with great sequencing depth...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018873/competing-sexual-and-asexual-generic-names-in-pucciniomycotina-and-ustilaginomycotina-basidiomycota-and-recommendations-for-use
#8
M Catherine Aime, Lisa A Castlebury, Mehrdad Abbasi, Dominik Begerow, Reinhard Berndt, Roland Kirschner, Ludmila Marvanová, Yoshitaka Ono, Mahajabeen Padamsee, Markus Scholler, Marco Thines, Amy Y Rossman
With the change to one scientific name for pleomorphic fungi, generic names typified by sexual and asexual morphs have been evaluated to recommend which name to use when two names represent the same genus and thus compete for use. In this paper, generic names in Pucciniomycotina and Ustilaginomycotina are evaluated based on their type species to determine which names are synonyms. Twenty-one sets of sexually and asexually typified names in Pucciniomycotina and eight sets in Ustilaginomycotina were determined to be congeneric and compete for use...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018872/-ustilago-species-causing-leaf-stripe-smut-revisited
#9
Julia Kruse, Wolfgang Dietrich, Horst Zimmermann, Friedemann Klenke, Udo Richter, Heidrun Richter, Marco Thines
Leaf-stripe smuts on grasses are a highly polyphyletic group within Ustilaginomycotina , occurring in three genera, Tilletia , Urocystis , and Ustilago . Currently more than 12 Ustilago species inciting stripe smuts are recognised. The majority belong to the Ustilago striiformis -complex, with about 30 different taxa described from 165 different plant species. This study aims to assess whether host distinct-lineages can be observed amongst the Ustilago leaf-stripe smuts using nine different loci on a representative set...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018871/mitochondrial-introgression-and-interspecies-recombination-in-the-fusarium-fujikuroi-species-complex
#10
Gerda Fourie, Nicolaas A Van der Merwe, Brenda D Wingfield, Mesfin Bogale, Michael J Wingfield, Emma T Steenkamp
The Fusarium fujikuroi species complex (FFSC) is an economically important monophyletic lineage in the genus Fusarium. Incongruence observed among mitochondrial gene trees, as well as the multiple non-orthologous copies of the internal transcribed spacer region of the ribosomal RNA genes, suggests that the origin and history of this complex likely involved interspecies gene flow. Based on this hypothesis, the mitochondrial genomes of non-conspecific species should harbour signatures of introgression or introgressive hybridization...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018870/multiple-independent-origins-for-a-subtelomeric-locus-associated-with-growth-rate-in-fusarium-circinatum
#11
Stephanie Van Wyk, Brenda D Wingfield, Lieschen De Vos, Quentin C Santana, Nicolaas A Van der Merwe, Emma T Steenkamp
Fusarium is a diverse assemblage that includes a large number of species of considerable medical and agricultural importance. Not surprisingly, whole genome sequences for many Fusarium species have been published or are in the process of being determined, the availability of which is invaluable for deciphering the genetic basis of key phenotypic traits. Here we investigated the distribution, genic composition, and evolutionary history of a locus potentially determining growth rate in the pitch canker pathogen F...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018869/karyotype-evolution-in-fusarium
#12
Cees Waalwijk, Masatoki Taga, Song-Lin Zheng, Robert H Proctor, Martha M Vaughan, Kerry O'Donnell
The germ tube burst method (GTBM) was employed to examine karyotypes of 33 Fusarium species representative of 11 species complexes that span the phylogenetic breadth of the genus. The karyotypes revealed that the nucleolar organizing region (NOR), which includes the ribosomal rDNA region, was telomeric in the species where it was discernible. Variable karyotypes were detected in eight species due to variation in numbers of putative core and/or supernumerary chromosomes. The putative core chromosome number (CN) was most variable in the F...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/30018868/fungal-networks-and-orchid-distribution-new-insights-from-above-and-below-ground-analyses-of-fungal-communities
#13
Lorenzo Pecoraro, Tancredi Caruso, Lei Cai, Vijai Kumar Gupta, Zhong-Jian Liu
Orchids are critically dependent on fungi for seedling establishment and growth, so the distribution and diversity of orchids might depend on the associated fungal communities. We characterised the communities associated with eight orchid species in three Mediterranean protected areas, using a combination of above-ground analyses of sporophores and below-ground molecular analyses of orchid root samples. In three years of sporophore collection in 25 plots around flowering orchid plants, 268 macrofungal species belonging to 84 genera were observed...
June 2018: IMA Fungus
https://www.readbyqxmd.com/read/29242781/ima-genome-f-8-draft-genome-of-cercospora-zeina-fusarium-pininemorale-hawksworthiomyces-lignivorus-huntiella-decipiens-and-ophiostoma-ips
#14
Brenda D Wingfield, Dave K Berger, Emma T Steenkamp, Hye-Jin Lim, Tuan A Duong, Burton H Bluhm, Z Wilhelm de Beer, Lieschen De Vos, G Fourie, Kershney Naidoo, Nicky Olivier, Yao-Cheng Lin, Yves Van de Peer, Fourie Joubert, Bridget G Crampton, Velushka Swart, Nicole Soal, Catherine Tatham, Magriet A van der Nest, Nicolaas A van der Merwe, Stephanie van Wyk, P Markus Wilken, Michael J Wingfield
The genomes of Cercospora zeina , Fusarium pininemorale , Hawksworthiomyces lignivorus, Huntiella decipiens, and Ophiostoma ips are presented in this genome announcement. Three of these genomes are from plant pathogens and otherwise economically important fungal species. Fusarium pininemorale and H. decipiens are not known to cause significant disease but are closely related to species of economic importance. The genome sizes range from 25.99 Mb in the case of O. ips to 4.82 Mb for H. lignivorus . These genomes include the first reports of a genome from the genus Hawksworthiomyces ...
December 2017: IMA Fungus
https://www.readbyqxmd.com/read/29242780/an-expanded-phylogeny-for-the-genus-phytophthora
#15
Xiao Yang, Brett M Tyler, Chuanxue Hong
A comprehensive phylogeny representing 142 described and 43 provisionally named Phytophthora species is reported here for this rapidly expanding genus. This phylogeny features signature sequences of 114 ex-types and numerous authentic isolates that were designated as representative isolates by the originators of the respective species. Multiple new subclades were assigned in clades 2, 6, 7, and 9. A single species P. lilii was placed basal to clades 1 to 5, and 7. Phytophthora stricta was placed basal to other clade 8 species, P...
December 2017: IMA Fungus
https://www.readbyqxmd.com/read/29242779/a-phylogenetically-based-nomenclature-for-cordycipitaceae-hypocreales
#16
Ryan M Kepler, J Jennifer Luangsa-Ard, Nigel L Hywel-Jones, C Alisha Quandt, Gi-Ho Sung, Stephen A Rehner, M Catherine Aime, Terry W Henkel, Tatiana Sanjuan, Rasoul Zare, Mingjun Chen, Zhengzhi Li, Amy Y Rossman, Joseph W Spatafora, Bhushan Shrestha
The ending of dual nomenclatural systems for pleomorphic fungi in 2011 requires the reconciliation of competing names, ideally linked through culture based or molecular methods. The phylogenetic systematics of Hypocreales and its many genera have received extensive study in the last two decades, however resolution of competing names in Cordycipitaceae has not yet been addressed. Here we present a molecular phylogenetic investigation of Cordycipitaceae that enables identification of competing names in this family, and provides the basis upon which these names can be maintained or suppressed...
December 2017: IMA Fungus
https://www.readbyqxmd.com/read/29242778/emerging-citrus-diseases-in-europe-caused-by-species-of-diaporthe
#17
Vladimiro Guarnaccia, Pedro W Crous
Species of Diaporthe are considered important plant pathogens, saprobes, and endophytes on a wide range of plant hosts. Several species are well-known on citrus, either as agents of pre- or post-harvest infections, such as dieback, melanose and stem-end rot on fruit. In this study we explored the occurrence, diversity and pathogenicity of Diaporthe species associated with Citrus and allied genera in European orchards, nurseries, and gardens. Surveys were carried out during 2015 and 2016 in Greece, Italy, Malta, Portugal, and Spain...
December 2017: IMA Fungus
https://www.readbyqxmd.com/read/29242777/a-new-family-and-genus-in-dothideales-for-aureobasidium-like-species-isolated-from-house-dust
#18
Zoë Humphries, Keith A Seifert, Yuuri Hirooka, Cobus M Visagie
An international survey of house dust collected from eleven countries using a modified dilution-to-extinction method yielded 7904 isolates. Of these, six strains morphologically resembled the asexual morphs of Aureobasidium and Hormonema (sexual morphs ? Sydowia), but were phylogenetically distinct . A 28S rDNA phylogeny resolved strains as a distinct clade in Dothideales with families Aureobasidiaceae and Dothideaceae their closest relatives. Further analyses based on the ITS rDNA region, β-tubulin, 28S rDNA, and RNA polymerase II second largest subunit confirmed the distinct status of this clade and divided strains among two consistent subclades...
December 2017: IMA Fungus
https://www.readbyqxmd.com/read/29242776/new-species-of-auritella-inocybaceae-from-cameroon-with-a-worldwide-key-to-the-known-species
#19
P Brandon Matheny, Terry W Henkel, Olivier Séné, Hailee B Korotkin, Bryn T M Dentinger, M Catherine Aime
Two new species in the genus Auritella ( Inocybaceae ) are described as new from tropical rainforest in Cameroon. Descriptions, photographs, line drawings, and a worldwide taxonomic key to the described species of Auritella are presented. Phylogenetic analysis of 28S rDNA and rpb2 nucleotide sequence data suggests at least five phylogenetic species that can be ascribed to Auritella occur in the region comprising Cameroon and Gabon and constitute a strongly supported monophyletic subgroup within the genus. Phylogenetic analysis of ITS data supports the conspecificity of numerous collections attributed to the two new species as well as the monophyly of Australian species of Auritella ...
December 2017: IMA Fungus
https://www.readbyqxmd.com/read/29242775/-calonectria-species-isolated-from-eucalyptus-plantations-and-nurseries-in-south-china
#20
JieQiong Li, Michael J Wingfield, QianLi Liu, Irene Barnes, Jolanda Roux, Lorenzo Lombard, Pedro W Crous, ShuaiFei Chen
Diseases caused by species of Calonectria ( Ca. ) represent a serious threat to the growth and sustainability of Eucalyptus plantations in China. Symptoms caused by these fungi mainly include leaf blight on trees in plantations and rotting of stems and leaves in nurseries. Extensive surveys have recently been conducted where Calonectria species were collected in Eucalyptus plantations and nurseries in the FuJian, GuangDong, GuangXi, and YunNan Provinces of South China. Additional isolates were baited from soil samples in the Hong Kong Region...
December 2017: IMA Fungus
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