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P W Crous, J J Luangsa-Ard, M J Wingfield, A J Carnegie, M Hernández-Restrepo, L Lombard, J Roux, R W Barreto, I G Baseia, J F Cano-Lira, M P Martín, O V Morozova, A M Stchigel, B A Summerell, T E Brandrud, B Dima, D García, A Giraldo, J Guarro, L F P Gusmão, P Khamsuntorn, M E Noordeloos, S Nuankaew, U Pinruan, E Rodríguez-Andrade, C M Souza-Motta, R Thangavel, A L van Iperen, V P Abreu, T Accioly, J L Alves, J P Andrade, M Bahram, H-O Baral, E Barbier, C W Barnes, E Bendiksen, E Bernard, J D P Bezerra, J L Bezerra, E Bizio, J E Blair, T M Bulyonkova, T S Cabral, M V Caiafa, T Cantillo, A A Colmán, L B Conceição, S Cruz, A O B Cunha, B A Darveaux, A L da Silva, G A da Silva, G M da Silva, R M F da Silva, R J V de Oliveira, R L Oliveira, J T De Souza, M Dueñas, H C Evans, F Epifani, M T C Felipe, J Fernández-López, B W Ferreira, C N Figueiredo, N V Filippova, J A Flores, J Gené, G Ghorbani, T B Gibertoni, A M Glushakova, R Healy, S M Huhndorf, I Iturrieta-González, M Javan-Nikkhah, R F Juciano, Ž Jurjević, A V Kachalkin, K Keochanpheng, I Krisai-Greilhuber, Y-C Li, A A Lima, A R Machado, H Madrid, O M C Magalhães, P A S Marbach, G C S Melanda, A N Miller, S Mongkolsamrit, R P Nascimento, T G L Oliveira, M E Ordoñez, R Orzes, M A Palma, C J Pearce, O L Pereira, G Perrone, S W Peterson, T H G Pham, E Piontelli, A Pordel, L Quijada, H A Raja, E Rosas de Paz, L Ryvarden, A Saitta, S S Salcedo, M Sandoval-Denis, T A B Santos, K A Seifert, B D B Silva, M E Smith, A M Soares, S Sommai, J O Sousa, S Suetrong, A Susca, L Tedersoo, M T Telleria, D Thanakitpipattana, N Valenzuela-Lopez, C M Visagie, M Zapata, J Z Groenewald
Novel species of fungi described in this study include those from various countries as follows: Angola , Gnomoniopsis angolensis and Pseudopithomyces angolensis on unknown host plants. Australia , Dothiora corymbiae on Corymbia citriodora, Neoeucasphaeria eucalypti (incl. Neoeucasphaeria gen. nov.) on Eucalyptus sp., Fumagopsis stellae on Eucalyptus sp., Fusculina eucalyptorum (incl. Fusculinaceae fam. nov.) on Eucalyptus socialis, Harknessia corymbiicola on Corymbia maculata, Neocelosporium eucalypti (incl...
December 2018: Persoonia
F Esteve-Raventós, D Bandini, B Oertel, V González, G Moreno, I Olariaga
Inocybe mixtilis constitutes a complex of species characterized by nodulose-angulose spores, absence of cortina and a more or less bulbous marginate stipe that is not darkening when desiccated. In order to elucidate species limits within the I. mixtilis complex, an ITS-RPB2 phylogeny was performed and interpreted using morphological and ecological characters. Six supported clades were obtained in our analyses that correspond to I. mixtilis , I. subtrivialis , and four new species to science: I. ceskae , I. johannis-stanglii , I...
December 2018: Persoonia
G Consiglio, L Setti, R G Thorn
Four new species of Hohenbuehelia (Fungi: Pleurotaceae ) are described in the group of Hohenbuehelia atrocoerulea and Hohenbuehelia grisea . Hohenbuehelia algonquinensis , found on Pinus in Ontario, Canada, may be distinguished macroscopically from bluish collections of H. atrocoerulea and watery grey-brown collections of H. grisea by its coal-black pileus. Hohenbuehelia canadensis , on or associated with Pinus in both Ontario and Alberta, Canada, and Hohenbuehelia nimueae , on Salix in Ontario and Abies in Wyoming, USA, have similarly dark fruiting bodies and were previously misidentified as H...
December 2018: Persoonia
J Kruse, M Pia Tek, M Lutz, M Thines
Plant pathogenic smut fungi in the broader sense can be divided into the Ustilaginomycetes , which cause classical smut symptoms with masses of blackish spores being produced in a variety of angiosperms, and the Exobasidiomycetes , which are often less conspicuous, as many do not shed large amounts of blackish spores. The leaf-spot causing members of the genus Entyloma ( Entylomatales , Exobasidiomycetes ) belong to the latter group. Currently, 172 species that all infect eudicots are included in the genus...
December 2018: Persoonia
V Hubka, V Barrs, Z Dudová, F Sklenář, A Kubátová, T Matsuzawa, T Yaguchi, Y Horie, A Nováková, J C Frisvad, J J Talbot, M Kolařík
Although Aspergillus fumigatus is the major agent of invasive aspergillosis, an increasing number of infections are caused by its cryptic species, especially A. lentulus and the A. viridinutans species complex (AVSC). Their identification is clinically relevant because of antifungal drug resistance and refractory infections. Species boundaries in the AVSC are unresolved since most species have uniform morphology and produce interspecific hybrids in vitro . Clinical and environmental strains from six continents (n = 110) were characterized by DNA sequencing of four to six loci...
December 2018: Persoonia
M C Westphalen, M Rajchenberg, M Tomšovský, A M Gugliotta
Junghuhnia is a genus of polypores traditionally characterised by a dimitic hyphal system with clamped generative hyphae and presence of encrusted skeletocystidia. However, recent molecular studies revealed that Junghuhnia is polyphyletic and most of the species cluster with Steccherinum , a morphologically similar genus separated only by a hydnoid hymenophore. In the Neotropics, very little is known about the evolutionary relationships of Junghuhnia taxa and very few species have been included in molecular studies...
December 2018: Persoonia
M Sandoval-Denis, P W Crous
The genus Neocosmospora encompasses highly prevalent and aggressive human and animal fungal pathogens. Here we assign formal descriptions and Latin binomials to some of the most clinically relevant phylogenetic species of the genus. Three new species, named Neocosmospora catenata , N. gamsii and N. suttoniana (previously assigned to the informal names ' Fusarium ' solani species complex (FSSC) lineages, FSSC 43, FSSC 7 and FSSC 20, respectively) are described on the basis of multilocus phylogenetic analyses (using EF-1α , ITS, LSU and RPB2 loci) and morphological characters...
December 2018: Persoonia
M Hernández-Restrepo, H Madrid, Y P Tan, K C da Cunha, J Gené, J Guarro, P W Crous
Exserohilum includes a number of plant pathogenic, saprobic and clinically relevant fungi. Some of these species are of great importance in human activities, but the genus has never been revised in a phylogenetic framework. In this study, we revise Exserohilum based on available ex-type cultures from worldwide collections, observation of the holotypes and/or protologues, and additional isolates from diverse substrates and geographical origins. Based on nine nuclear loci, i.e., ITS, LSU, act , tub2 , cam , gapdh , his , tef1 and rpb2 , as well as phenotypic data, the genus and species boundaries are assessed for Exserohilum ...
December 2018: Persoonia
J M Lorch, J M Palmer, K J Vanderwolf, K Z Schmidt, M L Verant, T J Weller, D S Blehert
Malassezia is a genus of medically-important, lipid-dependent yeasts that live on the skin of warm-blooded animals. The 17 described species have been documented primarily on humans and domestic animals, but few studies have examined Malassezia species associated with more diverse host groups such as wildlife. While investigating the skin mycobiota of healthy bats, we isolated a Malassezia sp. that exhibited only up to 92% identity with other known species in the genus for the portion of the DNA sequence of the internal transcribed spacer region that could be confidently aligned...
December 2018: Persoonia
M F Mideros, D A Turissini, N Guayazán, H Ibarra-Avila, G Danies, M Cárdenas, K Myers, J Tabima, E M Goss, A Bernal, L E Lagos, A Grajales, L N Gonzalez, D E L Cooke, W E Fry, N Grünwald, D R Matute, S Restrepo
Over the past few years, symptoms akin to late blight disease have been reported on a variety of crop plants in South America. Despite the economic importance of these crops, the causal agents of the diseases belonging to the genus Phytophthora have not been completely characterized. In this study, a new Phytophthora species was described in Colombia from tree tomato ( Solanum betaceum ), a semi-domesticated fruit grown in northern South America. Comprehensive phylogenetic, morphological, population genetic analyses, and infection assays to characterize this new species, were conducted...
December 2018: Persoonia
A G Fedosova, E S Popov, P Lizoň, V Kučera
Glutinoglossum is one of the earth tongue genera with viscid or glutinous ascocarps. Based on morphology and ITS1-5.8S-ITS2, nrLSU and tef1 sequence data, seven new species are described: G. circinatum , G. lumbricale , G. orientale , G. peregrinans , G. proliferatum , G. pseudoglutinosum , and G. triseptatum . The lectotypes for Geoglossum glutinosum var. lubricum and for Geoglossum glabrum var. majus as well as the epitype for Glutinoglossum glutinosum are designated. The comprehensive morphological study of G...
December 2018: Persoonia
T I Burgess, A V Simamora, D White, B Wiliams, M Schwager, M J C Stukely, G E St J Hardy
During routine vegetation health surveys in the southwest of Western Australia (SWWA), several Phytophthora isolates with affinity to Clade 6a have been recovered. In this study, all known taxa from Clade 6a, P. inundata , P. humicola , P. gemini , P . 'walnut' and P . 'personii', and the new isolates were compared based on morphology and DNA sequence data from three nuclear genes and two mitochondrial genes resulting in the description of five new species, P. balyanboodja , P. condilina , P. cooljarloo , P...
December 2018: Persoonia
P W Crous, M J Wingfield
No abstract text is available yet for this article.
December 2018: Persoonia
P W Crous, M J Wingfield, T I Burgess, G E St J Hardy, J Gené, J Guarro, I G Baseia, D García, L F P Gusmão, C M Souza-Motta, R Thangavel, S Adamčík, A Barili, C W Barnes, J D P Bezerra, J J Bordallo, J F Cano-Lira, R J V de Oliveira, E Ercole, V Hubka, I Iturrieta-González, A Kubátová, M P Martín, P-A Moreau, A Morte, M E Ordoñez, A Rodríguez, A M Stchigel, A Vizzini, J Abdollahzadeh, V P Abreu, K Adamčíková, G M R Albuquerque, A V Alexandrova, E Álvarez Duarte, C Armstrong-Cho, S Banniza, R N Barbosa, J-M Bellanger, J L Bezerra, T S Cabral, M Caboň, E Caicedo, T Cantillo, A J Carnegie, L T Carmo, R F Castañeda-Ruiz, C R Clement, A Čmoková, L B Conceição, R H S F Cruz, U Damm, B D B da Silva, G A da Silva, R M F da Silva, A L C M de A Santiago, L F de Oliveira, C A F de Souza, F Déniel, B Dima, G Dong, J Edwards, C R Félix, J Fournier, T B Gibertoni, K Hosaka, T Iturriaga, M Jadan, J-L Jany, Ž Jurjević, M Kolařík, I Kušan, M F Landell, T R Leite Cordeiro, D X Lima, M Loizides, S Luo, A R Machado, H Madrid, O M C Magalhães, P Marinho, N Matočec, A Mešić, A N Miller, O V Morozova, R P Neves, K Nonaka, A Nováková, N H Oberlies, J R C Oliveira-Filho, T G L Oliveira, V Papp, O L Pereira, G Perrone, S W Peterson, T H G Pham, H A Raja, D B Raudabaugh, J Řehulka, E Rodríguez-Andrade, M Saba, A Schauflerová, R G Shivas, G Simonini, J P Z Siqueira, J O Sousa, V Stajsic, T Svetasheva, Y P Tan, Z Tkalčec, S Ullah, P Valente, N Valenzuela-Lopez, M Abrinbana, D A Viana Marques, P T W Wong, V Xavier de Lima, J Z Groenewald
Novel species of fungi described in this study include those from various countries as follows: Australia , Chaetopsina eucalypti on Eucalyptus leaf litter, Colletotrichum cobbittiense from Cordyline stricta × C. australis hybrid, Cyanodermella banksiae on Banksia ericifolia subsp. macrantha, Discosia macrozamiae on Macrozamia miquelii, Elsinoë banksiigena on Banksia marginata, Elsinoë elaeocarpi on Elaeocarpus sp., Elsinoë leucopogonis on Leucopogon sp., Helminthosporium livistonae on Livistona australis , Idriellomyces eucalypti (incl...
December 2018: Persoonia
C Doungsa-Ard, A R McTaggart, A D W Geering, R G Shivas
Uromycladium tepperianum has been reported on over 100 species of Acacia , as well as on the closely related plant genera, Falcataria , Racosperma and Paraserianthes . Previous studies have indicated that U. tepperianum may represent a complex of host-specific, cryptic species. The phylogenetic relationships between 79 specimens of Uromycladium were determined based on a concatenated dataset of the Small Subunit, the Internal Transcribed Spacer and the Large Subunit regions of nuclear ribosomal DNA, and the mitochondrial cytochrome c oxidase subunit 3...
December 2018: Persoonia
T Jung, A Pérez-Sierra, A Durán, M Horta Jung, Y Balci, B Scanu
Most members of the oomycete genus Phytophthora are primary plant pathogens. Both soil- and airborne Phytophthora species are able to survive adverse environmental conditions with enduring resting structures, mainly sexual oospores, vegetative chlamydospores and hyphal aggregations. Soilborne Phytophthora species infect fine roots and the bark of suberized roots and the collar region with motile biflagellate zoospores released from sporangia during wet soil conditions. Airborne Phytophthora species infect leaves, shoots, fruits and bark of branches and stems with caducous sporangia produced during humid conditions on infected plant tissues and dispersed by rain and wind splash...
December 2018: Persoonia
I Barnes, A Fourie, M J Wingfield, T C Harrington, D L McNew, L S Sugiyama, B C Luiz, W P Heller, L M Keith
The native 'ōhi'a lehua ( Metrosideros polymorpha ) has cultural, biological and ecological significance to Hawai'i, but it is seriously threatened by a disease commonly referred to as rapid 'ōhi'a death (ROD). Preliminary investigations showed that a Ceratocystis species similar to C. fimbriata was the cause of the disease. In this study, we used a combination of the phylogenetic, morphological and biological species concepts, as well as pathogenicity tests and microsatellite analyses, to characterise isolates collected from diseased 'ōhi'a trees across Hawai'i Island...
December 2018: Persoonia
V Guarnaccia, J Z Groenewald, J Woodhall, J Armengol, T Cinelli, A Eichmeier, D Ezra, F Fontaine, D Gramaje, A Gutierrez-Aguirregabiria, J Kaliterna, L Kiss, P Larignon, J Luque, L Mugnai, V Naor, R Raposo, E Sándor, K Z Váczy, P 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 grapevines, either as agents of pre- or post-harvest infections, including Phomopsis cane and leaf spot, cane bleaching, swelling arm and trunk cankers. In this study we explore the occurrence, diversity and pathogenicity of Diaporthe spp. associated with Vitis vinifera in major grape production areas of Europe and Israel, focusing on nurseries and vineyards...
December 2018: Persoonia
X L Fan, J D P Bezerra, C M Tian, P W Crous
In this study we accept 25 families in Diaporthales based on phylogenetic analyses using partial ITS, LSU, rpb2 and tef1-α gene sequences. Four different families associated with canker and dieback of tree hosts are morphologically treated and phylogenetically compared. These include three new families ( Diaporthostomataceae , Pseudomelanconidaceae , Synnemasporellaceae ), and one new genus, Dendrostoma ( Erythrogloeaceae ). Dendrostoma is newly described from Malus spectabilis , Osmanthus fragrans and Quercus acutissima having fusoid to cylindrical, bicellular ascospores, with three new species namely D...
December 2018: Persoonia
G Bonthond, M Sandoval-Denis, J Z Groenewald, P W Crous
The genus Seiridium includes multiple plant pathogenic fungi well-known as causal organisms of cankers on Cupressaceae . Taxonomically, the status of several species has been a topic of debate, as the phylogeny of the genus remains unresolved and authentic ex-type cultures are mostly absent. In the present study, a large collection of Seiridium cultures and specimens from the CBS and IMI collections was investigated morphologically and phylogenetically to resolve the taxonomy of the genus. These investigations included the type material of the most important Cupressaceae pathogens, Seiridium cardinale , S...
December 2018: Persoonia
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