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Studies in Mycology

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https://www.readbyqxmd.com/read/29158611/phylogeny-of-xerophilic-aspergilli-subgenus-aspergillus-and-taxonomic-revision-of-section-restricti
#1
F Sklenář, Ž Jurjević, P Zalar, J C Frisvad, C M Visagie, M Kolařík, J Houbraken, A J Chen, N Yilmaz, K A Seifert, M Coton, F Déniel, N Gunde-Cimerman, R A Samson, S W Peterson, V Hubka
Aspergillus section Restricti together with sister section Aspergillus (formerly Eurotium) comprises xerophilic species, that are able to grow on substrates with low water activity and in extreme environments. We adressed the monophyly of both sections within subgenus Aspergillus and applied a multidisciplinary approach for definition of species boundaries in sect. Restricti. The monophyly of sections Aspergillus and Restricti was tested on a set of 102 isolates comprising all currently accepted species and was strongly supported by Maximum likelihood (ML) and Bayesian inferrence (BI) analysis based on β-tubulin (benA), calmodulin (CaM) and RNA polymerase II second largest subunit (RPB2) loci...
September 2017: Studies in Mycology
https://www.readbyqxmd.com/read/29158610/cephalotrichum-and-related-synnematous-fungi-with-notes-on-species-from-the-built-environment
#2
J H C Woudenberg, M Sandoval-Denis, J Houbraken, K A Seifert, R A Samson
A recent taxonomic revision of Microascaceae with an emphasis on synnematous fungi enabled re-identification of previously isolated indoor strains of Cephalotrichum. All available Cephalotrichum strains from the culture collection of the Westerdijk Institute were studied, 20 originating from the built environment. Phylogenetic relationships were inferred from DNA sequence data from the internal transcribed spacer 1 and 2 and intervening 5.8S nrDNA (ITS), and parts of β-tubulin (tub2) and translation elongation factor 1-α (tef1) genes...
September 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28860671/polyphasic-taxonomy-of-aspergillus-section-aspergillus-formerly-eurotium-and-its-occurrence-in-indoor-environments-and-food
#3
A J Chen, V Hubka, J C Frisvad, C M Visagie, J Houbraken, M Meijer, J Varga, R Demirel, Ž Jurjević, A Kubátová, F Sklenář, Y G Zhou, R A Samson
Aspergillus section Aspergillus (formerly the genus Eurotium) includes xerophilic species with uniseriate conidiophores, globose to subglobose vesicles, green conidia and yellow, thin walled eurotium-like ascomata with hyaline, lenticular ascospores. In the present study, a polyphasic approach using morphological characters, extrolites, physiological characters and phylogeny was applied to investigate the taxonomy of this section. Over 500 strains from various culture collections and new isolates obtained from indoor environments and a wide range of substrates all over the world were identified using calmodulin gene sequencing...
September 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28413236/scopulariopsis-and-scopulariopsis-like-species-from-indoor-environments
#4
J H C Woudenberg, M Meijer, J Houbraken, R A Samson
Scopulariopsis-like species are often reported from the indoor environment, as well as from clinical samples. The lack of type isolates and thorough phylogenetic studies in the Microascaceae hampered the correct identification of these isolates. Based on recent phylogenetic studies, which resulted in multiple name changes, the aim is to molecularly identify the Scopulariopsis and scopulariopsis-like species which occur in the indoor environment and give an overview of the current species in these genera and their habitats...
September 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28966419/phylogenetic-revision-of-camarosporium-pleosporineae-dothideomycetes-and-allied-genera
#5
D N Wanasinghe, K D Hyde, R Jeewon, P W Crous, N N Wijayawardene, E B G Jones, D J Bhat, A J L Phillips, J Z Groenewald, M C Dayarathne, C Phukhamsakda, K M Thambugala, T S Bulgakov, E Camporesi, Y S Gafforov, P E Mortimer, S C Karunarathna
A concatenated dataset of LSU, SSU, ITS and tef1 DNA sequence data was analysed to investigate the taxonomic position and phylogenetic relationships of the genus Camarosporium in Pleosporineae (Dothideomycetes). Newly generated sequences from camarosporium-like taxa collected from Europe (Italy) and Russia form a well-supported monophyletic clade within Pleosporineae. A new genus Camarosporidiella and a new family Camarosporidiellaceae are established to accommodate these taxa. Four new species, Neocamarosporium korfii, N...
June 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28794574/pseudodidymellaceae-fam-nov-phylogenetic-affiliations-of-mycopappus-like-genera-in-dothideomycetes
#6
A Hashimoto, M Matsumura, K Hirayama, R Fujimoto, K Tanaka
The familial placement of four genera, Mycodidymella, Petrakia, Pseudodidymella, and Xenostigmina, was taxonomically revised based on morphological observations and phylogenetic analyses of nuclear rDNA SSU, LSU, tef1, and rpb2 sequences. ITS sequences were also provided as barcode markers. A total of 130 sequences were newly obtained from 28 isolates which are phylogenetically related to Melanommataceae (Pleosporales, Dothideomycetes) and its relatives. Phylogenetic analyses and morphological observation of sexual and asexual morphs led to the conclusion that Melanommataceae should be restricted to its type genus Melanomma, which is characterised by ascomata composed of a well-developed, carbonaceous peridium, and an aposphaeria-like coelomycetous asexual morph...
June 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28720979/first-report-of-phyllosticta-citricarpa-and-description-of-two-new-species-p-%C3%A2-paracapitalensis-and-p-%C3%A2-paracitricarpa-from-citrus-in-europe
#7
V Guarnaccia, J Z Groenewald, H Li, C Glienke, E Carstens, V Hattingh, P H Fourie, P W Crous
The genus Phyllosticta occurs worldwide, and contains numerous plant pathogenic, endophytic and saprobic species. Phyllosticta citricarpa is the causal agent of Citrus Black Spot disease (CBS), affecting fruits and leaves of several citrus hosts (Rutaceae), and can also be isolated from asymptomatic citrus tissues. Citrus Black Spot occurs in citrus-growing regions with warm summer rainfall climates, but is absent in countries of the European Union (EU). Phyllosticta capitalensis is morphologically similar to P...
June 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28706324/didymellaceae-revisited
#8
Q Chen, L W Hou, W J Duan, P W Crous, L Cai
The Didymellaceae is one of the most species-rich families in the fungal kingdom, and includes species that inhabit a wide range of ecosystems. The taxonomy of Didymellaceae has recently been revised on the basis of multi-locus DNA sequence data. In the present study, we investigated 108 Didymellaceae isolates newly obtained from 40 host plant species in 27 plant families, and various substrates from caves, including air, water and carbonatite, originating from Argentina, Australia, Canada, China, Hungary, Israel, Italy, Japan, South Africa, the Netherlands, the USA and former Yugoslavia...
June 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28663603/stemphylium-revisited
#9
J H C Woudenberg, B Hanse, G C M van Leeuwen, J Z Groenewald, P W Crous
In 2007 a new Stemphylium leaf spot disease of Beta vulgaris (sugar beet) spread through the Netherlands. Attempts to identify this destructive Stemphylium sp. in sugar beet led to a phylogenetic revision of the genus. The name Stemphylium has been recommended for use over that of its sexual morph, Pleospora, which is polyphyletic. Stemphylium forms a well-defined monophyletic genus in the Pleosporaceae, Pleosporales (Dothideomycetes), but lacks an up-to-date phylogeny. To address this issue, the internal transcribed spacer 1 and 2 and intervening 5...
June 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28649153/corynespora-exosporium-and-helminthosporium-revisited-new-species-and-generic-reclassification
#10
H Voglmayr, W M Jaklitsch
Molecular phylogenetic analyses of a multigene matrix of partial nuSSU-ITS-LSU rDNA, rpb2 and tef1 sequences were performed to investigate the phylogenetic relationships of Corynespora, Exosporium and Helminthosporium species. Based on phylogenetic analyses and morphology, the genus Exosporium is synonymised with Helminthosporium, and the genus Corynespora is revealed as polyphyletic. Corynespora smithii is confirmed to be closely related to the generic type C. cassiicola and its morphology is described and illustrated...
June 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28373739/phylogeny-and-taxonomy-of-the-scab-and-spot-anthracnose-fungus-elsino%C3%A3-myriangiales-dothideomycetes
#11
X L Fan, R W Barreto, J Z Groenewald, J D P Bezerra, O L Pereira, R Cheewangkoon, L Mostert, C M Tian, P W Crous
Species of Elsinoë are phytopathogens causing scab and spot anthracnose on many plants, including some economically important crops such as avocado, citrus, grapevines, and ornamentals such as poinsettias, field crops and woody hosts. Disease symptoms are often easily recognisable, and referred to as signature-bearing diseases, for the cork-like appearance of older infected tissues with scab-like appearance. In some Elsinoë-host associations the resulting symptoms are better described as spot anthracnose...
June 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28947840/families-of-diaporthales-based-on-morphological-and-phylogenetic-evidence
#12
I C Senanayake, P W Crous, J Z Groenewald, S S N Maharachchikumbura, R Jeewon, A J L Phillips, J D Bhat, R H Perera, Q R Li, W J Li, N Tangthirasunun, C Norphanphoun, S C Karunarathna, E Camporesi, I S Manawasighe, A M Al-Sadi, K D Hyde
Diaporthales is an important ascomycetous order comprising phytopathogenic, saprobic, and endophytic fungi, but interfamilial taxonomic relationships are still ambiguous. Despite its cosmopolitan distribution and high diversity with distinctive morphologies, this order has received relativelyiaceae, Macrohilaceae, Melanconidaceae, Pseudoplagiostomaceae, Schizoparmaceae, Stilbosporaceae and Sydowiellaceae. Taxonomic uncertainties among genera are also clarified and recurrent discrepancies in the taxonomic position of families within the Diaporthales are discussed...
March 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28663602/genera-of-phytopathogenic-fungi-gophy-1
#13
Y Marin-Felix, J Z Groenewald, L Cai, Q Chen, S Marincowitz, I Barnes, K Bensch, U Braun, E Camporesi, U Damm, Z W de Beer, A Dissanayake, J Edwards, A Giraldo, M Hernández-Restrepo, K D Hyde, R S Jayawardena, L Lombard, J Luangsa-Ard, A R McTaggart, A Y Rossman, M Sandoval-Denis, M Shen, R G Shivas, Y P Tan, E J van der Linde, M J Wingfield, A R Wood, J Q Zhang, Y Zhang, P W Crous
Genera of Phytopathogenic Fungi (GOPHY) is introduced as a new series of publications in order to provide a stable platform for the taxonomy of phytopathogenic fungi. This first paper focuses on 21 genera of phytopathogenic fungi: Bipolaris, Boeremia, Calonectria, Ceratocystis, Cladosporium, Colletotrichum, Coniella, Curvularia, Monilinia, Neofabraea, Neofusicoccum, Pilidium, Pleiochaeta, Plenodomus, Protostegia, Pseudopyricularia, Puccinia, Saccharata, Thyrostroma, Venturia and Wilsonomyces. For each genus, a morphological description and information about its pathology, distribution, hosts and disease symptoms are provided...
March 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28626275/phylogeny-of-saprobic-microfungi-from-southern-europe
#14
M Hernández-Restrepo, J Gené, R F Castañeda-Ruiz, J Mena-Portales, P W Crous, J Guarro
During a survey of saprophytic microfungi on decomposing woody, herbaceous debris and soil from different regions in Southern Europe, a wide range of interesting species of asexual ascomycetes were found. Phylogenetic analyses based on partial gene sequences of SSU, LSU and ITS proved that most of these fungi were related to Sordariomycetes and Dothideomycetes and to lesser extent to Leotiomycetes and Eurotiomycetes. Four new monotypic orders with their respective families are proposed here, i.e. Lauriomycetales, Lauriomycetaceae; Parasympodiellales, Parasympodiellaceae; Vermiculariopsiellales, Vermiculariopsiellaceae and Xenospadicoidales, Xenospadicoidaceae...
March 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28539687/phylogenetic-analysis-of-monascus-and-new-species-from-honey-pollen-and-nests-of-stingless-bees
#15
R N Barbosa, S L Leong, O Vinnere-Pettersson, A J Chen, C M Souza-Motta, J C Frisvad, R A Samson, N T Oliveira, J Houbraken
The genus Monascus was described by van Tieghem (1884) to accommodate M. ruber and M. mucoroides, two species with non-ostiolate ascomata. Species delimitation in the genus is still mainly based on phenotypic characters, and taxonomic studies that include sequence data are limited. The genus is of economic importance. Species are used in fermented Asian foods as food colourants (e.g. 'red rice' (ang-kak, angka)) and found as spoilage organisms, and recently Monascus was found to be essential in the lifecycle of stingless bees...
March 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28348446/exploring-the-genomic-diversity-of-black-yeasts-and-relatives-chaetothyriales-ascomycota
#16
M M Teixeira, L F Moreno, B J Stielow, A Muszewska, M Hainaut, L Gonzaga, A Abouelleil, J S L Patané, M Priest, R Souza, S Young, K S Ferreira, Q Zeng, M M L da Cunha, A Gladki, B Barker, V A Vicente, E M de Souza, S Almeida, B Henrissat, A T R Vasconcelos, S Deng, H Voglmayr, T A A Moussa, A Gorbushina, M S S Felipe, C A Cuomo, G Sybren de Hoog
The order Chaetothyriales (Pezizomycotina, Ascomycetes) harbours obligatorily melanised fungi and includes numerous etiologic agents of chromoblastomycosis, phaeohyphomycosis and other diseases of vertebrate hosts. Diseases range from mild cutaneous to fatal cerebral or disseminated infections and affect humans and cold-blooded animals globally. In addition, Chaetothyriales comprise species with aquatic, rock-inhabiting, ant-associated, and mycoparasitic life-styles, as well as species that tolerate toxic compounds, suggesting a high degree of versatile extremotolerance...
March 2017: Studies in Mycology
https://www.readbyqxmd.com/read/28082760/aspergillus-is-monophyletic-evidence-from-multiple-gene-phylogenies-and-extrolites-profiles
#17
S Kocsubé, G Perrone, D Magistà, J Houbraken, J Varga, G Szigeti, V Hubka, S-B Hong, J C Frisvad, R A Samson
Aspergillus is one of the economically most important fungal genera. Recently, the ICN adopted the single name nomenclature which has forced mycologists to choose one name for fungi (e.g. Aspergillus, Fusarium, Penicillium, etc.). Previously two proposals for the single name nomenclature in Aspergillus were presented: one attributes the name "Aspergillus" to clades comprising seven different teleomorphic names, by supporting the monophyly of this genus; the other proposes that Aspergillus is a non-monophyletic genus, by preserving the Aspergillus name only to species belonging to subgenus Circumdati and maintaining the sexual names in the other clades...
September 2016: Studies in Mycology
https://www.readbyqxmd.com/read/28082759/the-forgotten-calonectria-collection-pouring-old-wine-into-new-bags
#18
L Lombard, M J Wingfield, A C Alfenas, P W Crous
The genus Calonectria with its Cylindrocladium asexual morphs has been subject to several taxonomic revisions in the past. These have resulted in the recognition of 116 species, of which all but two species (C. hederae and C. pyrochroa) are supported by ex-type cultures and supplemented with DNA barcodes. The present study is based on a large collection of unidentified Calonectria isolates that have been collected over a period of 20 years from various substrates worldwide, which has remained unstudied in the basement of the CBS-KNAW Fungal Biodiversity Centre...
September 2016: Studies in Mycology
https://www.readbyqxmd.com/read/28082758/the-good-the-bad-and-the-tasty-the-many-roles-of-mushrooms
#19
K M J de Mattos-Shipley, K L Ford, F Alberti, A M Banks, A M Bailey, G D Foster
Fungi are often inconspicuous in nature and this means it is all too easy to overlook their importance. Often referred to as the "Forgotten Kingdom", fungi are key components of life on this planet. The phylum Basidiomycota, considered to contain the most complex and evolutionarily advanced members of this Kingdom, includes some of the most iconic fungal species such as the gilled mushrooms, puffballs and bracket fungi. Basidiomycetes inhabit a wide range of ecological niches, carrying out vital ecosystem roles, particularly in carbon cycling and as symbiotic partners with a range of other organisms...
September 2016: Studies in Mycology
https://www.readbyqxmd.com/read/28050056/wood-staining-fungi-revealed-taxonomic-novelties-in-pezizomycotina-new-order-superstratomycetales-and-new-species-cyanodermella-oleoligni
#20
E J van Nieuwenhuijzen, J M Miadlikowska, J A M P Houbraken, O C G Adan, F M Lutzoni, R A Samson
A culture-based survey of staining fungi on oil-treated timber after outdoor exposure in Australia and the Netherlands uncovered new taxa in Pezizomycotina. Their taxonomic novelty was confirmed by phylogenetic analyses of multi-locus sequences (ITS, nrSSU, nrLSU, mitSSU, RPB1, RPB2, and EF-1α) using multiple reference data sets. These previously unknown taxa are recognised as part of a new order (Superstratomycetales) potentially closely related to Trypetheliales (Dothideomycetes), and as a new species of Cyanodermella, C...
September 2016: Studies in Mycology
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