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  • Reconsideration of species boundaries and proposed DNA barcodes for Calonectria
    Stud. Mycol. (IF 9.027) Pub Date : 2020-10-07
    Q.L. Liu; J.Q. Li; M.J. Wingfield; T.A. Duong; B.D. Wingfield; P.W. Crous; S.F. Chen

    Calonectria represents a genus of phytopathogenic ascomycetous fungi with a worldwide distribution. In recent years, there has been an increase in the number of taxonomic studies on these fungi. Currently, there are 169 described species of Calonectria based on comparisons of DNA sequence data, combined with morphological characteristics. However, for some of these species, the sequence data utilised

  • Classification of Aspergillus, Penicillium, Talaromyces and related genera (Eurotiales): An overview of families, genera, subgenera, sections, series and species.
    Stud. Mycol. (IF 9.027) Pub Date : 2020-06-27
    J Houbraken,S Kocsubé,C M Visagie,N Yilmaz,X-C Wang,M Meijer,B Kraak,V Hubka,K Bensch,R A Samson,J C Frisvad

    The Eurotiales is a relatively large order of Ascomycetes with members frequently having positive and negative impact on human activities. Species within this order gain attention from various research fields such as food, indoor and medical mycology and biotechnology. In this article we give an overview of families and genera present in the Eurotiales and introduce an updated subgeneric, sectional

  • Phylogenetic origins and family classification of typhuloid fungi, with emphasis on Ceratellopsis, Macrotyphula and Typhula (Basidiomycota).
    Stud. Mycol. (IF 9.027) Pub Date : 2020-06-12
    I Olariaga,S Huhtinen,T Læssøe,J H Petersen,K Hansen

    Typhuloid fungi are a very poorly known group of tiny clavarioid homobasidiomycetes. The phylogenetic position and family classification of the genera targeted here, Ceratellopsis, Macrotyphula, Pterula sensu lato and Typhula, are controversial and based on unresolved phylogenies. Our six-gene phylogeny with an expanded taxon sampling shows that typhuloid fungi evolved at least twice in the Agaricales

  • The phoma-like dilemma.
    Stud. Mycol. (IF 9.027) Pub Date : 2020-05-21
    L W Hou,J Z Groenewald,L H Pfenning,O Yarden,P W Crous,L Cai

    Species of Didymellaceae have a cosmopolitan distribution and are geographically widespread, occurring in diverse ecosystems. The family includes several important plant pathogenic fungi associated with fruit, leaf, stem and root diseases on a wide variety of hosts, as well as endophytic, saprobic and clinically relevant species. The Didymellaceae was recently revised based on morphological and phylogenetic

  • Revisiting Metarhizium and the description of new species from Thailand.
    Stud. Mycol. (IF 9.027) Pub Date : 2020-05-05
    S Mongkolsamrit,A Khonsanit,D Thanakitpipattana,K Tasanathai,W Noisripoom,S Lamlertthon,W Himaman,J Houbraken,R A Samson,J Luangsa-Ard

    Over the last two decades the molecular phylogeny and classification of Metarhizium has been widely studied. Despite these efforts to understand this enigmatic genus, the basal lineages in Metarhizium are still poorly resolved. In this study, a phylogenetic framework is reconstructed for the Clavicipitaceae focusing on Metarhizium through increased taxon-sampling using five genomic loci (SSU, LSU,

  • Venturiales.
    Stud. Mycol. (IF 9.027) Pub Date : 2020-04-09
    M Shen,J Q Zhang,L L Zhao,J Z Groenewald,P W Crous,Y Zhang

    Members of Venturiales (Dothideomycetes) are widely distributed, and comprise saprobes, as well as plant, human and animal pathogens. In spite of their economic importance, the general lack of cultures and DNA data has resulted in taxa being poorly resolved. In the present study five loci, ITS, LSU rDNA, tef1, tub2 and rpb2 are used for analysing 115 venturialean taxa representing 30 genera in three

  • Mollisiaceae: An overlooked lineage of diverse endophytes.
    Stud. Mycol. (IF 9.027) Pub Date : 2020-03-13
    J B Tanney,K A Seifert

    Mollisia is a taxonomically neglected discomycete genus (Helotiales, Leotiomycetes) of commonly encountered saprotrophs on decaying plant tissues throughout temperate regions. The combination of indistinct morphological characters, more than 700 names in the literature, and lack of reference DNA sequences presents a major challenge when working with Mollisia. Unidentified endophytes, including strains

  • Updating the taxonomy of Aspergillus in South Africa.
    Stud. Mycol. (IF 9.027) Pub Date : 2020-03-13
    C M Visagie,J Houbraken

    The taxonomy and nomenclature of the genus Aspergillus and its associated sexual (teleomorphic) genera have been greatly stabilised over the last decade. This was in large thanks to the accepted species list published in 2014 and associated metadata such as DNA reference sequences released at the time. It had a great impact on the community and it has never been easier to identify, publish and describe

  • Evolution of lifestyles in Capnodiales.
    Stud. Mycol. (IF 9.027) Pub Date : 2020-03-05
    J Abdollahzadeh,J Z Groenewald,M P A Coetzee,M J Wingfield,P W Crous

    The Capnodiales, which includes fungi known as the sooty moulds, represents the second largest order in Dothideomycetes, encompassing morphologically and ecologically diverse fungi with different lifestyles and modes of nutrition. They include saprobes, plant and human pathogens, mycoparasites, rock-inhabiting fungi (RIF), lichenised, epi-, ecto- and endophytes. The aim of this study was to elucidate

  • New insights into the systematics of Bactrodesmium and its allies and introducing new genera, species and morphological patterns in the Pleurotheciales and Savoryellales (Sordariomycetes).
    Stud. Mycol. (IF 9.027) Pub Date : 2020-03-03
    Martina Réblová,Margarita Hernández-Restrepo,Jacques Fournier,Jana Nekvindová

    The newly discovered systematic placement of Bactrodesmium abruptum, the lectotype species of the genus, prompted a re-evaluation of the traditionally broadly conceived genus Bactrodesmium. Fresh material, axenic cultures and new DNA sequence data of five gene regions of six species, i.e. B. abruptum, B. diversum, B. leptopus, B. obovatum, B. pallidum and B. spilomeum, were studied. Bactrodesmium is

  • The global epidemiology of emerging Histoplasma species in recent years
    Stud. Mycol. (IF 9.027) Pub Date : 2020-03-02
    A.M. Rodrigues; M.A. Beale; F. Hagen; M.C. Fisher; P.P.D. Terra; S. de Hoog; R.S.N. Brilhante; R. de Aguiar Cordeiro; D. de Souza Collares Maia Castelo-Branco; M.F.G. Rocha; J.J.C. Sidrim; Z.P. de Camargo

    Histoplasmosis is a serious infectious disease in humans caused by Histoplasma spp. (Onygenales), whose natural reservoirs are thought to be soil enriched with bird and bat guano. The true global burden of histoplasmosis is underestimated and frequently the pulmonary manifestations are misdiagnosed as tuberculosis. Molecular data on epidemiology of Histoplasma are still scarce, even though there is

  • 101 Dothideomycetes genomes: A test case for predicting lifestyles and emergence of pathogens.
    Stud. Mycol. (IF 9.027) Pub Date : 2020-02-01
    S Haridas,R Albert,M Binder,J Bloem,K LaButti,A Salamov,B Andreopoulos,S E Baker,K Barry,G Bills,B H Bluhm,C Cannon,R Castanera,D E Culley,C Daum,D Ezra,J B González,B Henrissat,A Kuo,C Liang,A Lipzen,F Lutzoni,J Magnuson,S J Mondo,M Nolan,R A Ohm,J Pangilinan,H-J Park,L Ramírez,M Alfaro,H Sun,A Tritt,Y Yoshinaga,L-H Zwiers,B G Turgeon,S B Goodwin,J W Spatafora,P W Crous,I V Grigoriev

    Dothideomycetes is the largest class of kingdom Fungi and comprises an incredible diversity of lifestyles, many of which have evolved multiple times. Plant pathogens represent a major ecological niche of the class Dothideomycetes and they are known to infect most major food crops and feedstocks for biomass and biofuel production. Studying the ecology and evolution of Dothideomycetes has significant

  • Diversity and phylogeny of basidiomycetous yeasts from plant leaves and soil: Proposal of two new orders, three new families, eight new genera and one hundred and seven new species.
    Stud. Mycol. (IF 9.027) Pub Date : 2020-01-28
    A-H Li,F-X Yuan,M Groenewald,K Bensch,A M Yurkov,K Li,P-J Han,L-D Guo,M C Aime,J P Sampaio,S Jindamorakot,B Turchetti,J Inacio,B Fungsin,Q-M Wang,F-Y Bai

    Nearly 500 basidiomycetous yeast species were accepted in the latest edition of The Yeasts: A Taxonomic Study published in 2011. However, this number presents only the tip of the iceberg of yeast species diversity in nature. Possibly more than 99 % of yeast species, as is true for many groups of fungi, are yet unknown and await discovery. Over the past two decades nearly 200 unidentified isolates were

  • Identification of Rosellinia species as producers of cyclodepsipeptide PF1022 A and resurrection of the genus Dematophora as inferred from polythetic taxonomy.
    Stud. Mycol. (IF 9.027) Pub Date : 2020-01-26
    K Wittstein,A Cordsmeier,C Lambert,L Wendt,E B Sir,J Weber,N Wurzler,L E Petrini,M Stadler

    Rosellinia (Xylariaceae) is a large, cosmopolitan genus comprising over 130 species that have been defined based mainly on the morphology of their sexual morphs. The genus comprises both lignicolous and saprotrophic species that are frequently isolated as endophytes from healthy host plants, and important plant pathogens. In order to evaluate the utility of molecular phylogeny and secondary metabolite

  • Phylogenetic re-evaluation of Thielavia with the introduction of a new family Podosporaceae.
    Stud. Mycol. (IF 9.027) Pub Date : 2019-08-21
    X W Wang,F Y Bai,K Bensch,M Meijer,B D Sun,Y F Han,P W Crous,R A Samson,F Y Yang,J Houbraken

    The genus Thielavia is morphologically defined by having non-ostiolate ascomata with a thin peridium composed of textura epidermoidea, and smooth, single-celled, pigmented ascospores with one germ pore. Thielavia is typified with Th. basicola that grows in close association with a hyphomycete which was traditionally identified as Thielaviopsis basicola. Besides Th. basicola exhibiting the mycoparasitic

  • Foliar pathogens of eucalypts
    Stud. Mycol. (IF 9.027) Pub Date : 2019-08-08
    P.W. Crous, M.J. Wingfield, R. Cheewangkoon, A.J. Carnegie, T.I. Burgess, B.A. Summerell, J. Edwards, P.W.J. Taylor, J.Z. Groenewald

    Species of eucalypts are commonly cultivated for solid wood and pulp products. The expansion of commercially managed eucalypt plantations has chiefly been driven by their rapid growth and suitability for propagation across a very wide variety of sites and climatic conditions. Infection of foliar fungal pathogens of eucalypts is resulting in increasingly negative impacts on commercial forest industries

  • Genera of phytopathogenic fungi: GOPHY 3
    Stud. Mycol. (IF 9.027) Pub Date : 2019-06-13
    Y. Marin-Felix, M. Hernández-Restrepo, I. Iturrieta-González, D. García, J. Gené, J.Z. Groenewald, L. Cai, Q. Chen, W. Quaedvlieg, R.K. Schumacher, P.W.J. Taylor, C. Ambers, G. Bonthond, J. Edwards, S.A. Krueger-Hadfield, J.J. Luangsa-ard, L. Morton, A. Moslemi, P.W. Crous

    This paper represents the third contribution in the Genera of Phytopathogenic Fungi (GOPHY) series. The series provides morphological descriptions, information about the pathology, distribution, hosts and disease symptoms for the treated genera, as well as primary and secondary DNA barcodes for the currently accepted species included in these. This third paper in the GOPHY series treats 21 genera of

  • Sporocadaceae, a family of coelomycetous fungi with appendage-bearing conidia
    Stud. Mycol. (IF 9.027) Pub Date : 2018-11-17
    F. Liu, G. Bonthond, J.Z. Groenewald, L. Cai, P.W. Crous

    Species of Sporocadaceae are endophytic, plant pathogenic or saprobic, and associated with a wide range of host plants. Recent molecular studies that have attempted to address familial and generic boundaries of fungi belonging to Sporocadaceae were based on a limited number of samples and DNA loci. The taxonomy of this group of fungi is therefore still not fully resolved. The aim of the present study

  • Genomic and exoproteomic diversity in plant biomass degradation approaches among Aspergilli
    Stud. Mycol. (IF 9.027) Pub Date : 2018-10-29
    M.R. Mäkelä, M. DiFalco, E. McDonnell, T.T.M. Nguyen, A. Wiebenga, K. Hildén, M. Peng, I.V. Grigoriev, A. Tsang, R.P. de Vries

    We classified the genes encoding carbohydrate-active enzymes (CAZymes) in 17 sequenced genomes representing 16 evolutionarily diverse Aspergillus species. We performed a phylogenetic analysis of the encoding enzymes, along with experimentally characterized CAZymes, to assign molecular function to the Aspergilli CAZyme families and subfamilies. Genome content analysis revealed that the numbers of CAZy

  • Inside Plectosphaerellaceae
    Stud. Mycol. (IF 9.027) Pub Date : 2018-10-27
    A. Giraldo, P.W. Crous

    The family Plectosphaerellaceae (Glomerellales, Sordariomycetes) includes numerous plant pathogenic genera and soil-borne fungal species. Ten genera are currently accepted, including several taxa that occupy an unresolved position within the family. To address this issue, a multilocus sequence analysis was carried out using partial gene sequences from the 28S large subunit nrRNA gene (LSU), the internal

  • The root-symbiotic Rhizoscyphus ericae aggregate and Hyaloscypha (Leotiomycetes) are congeneric: Phylogenetic and experimental evidence.
    Stud. Mycol. (IF 9.027) Pub Date : 2018-10-11
    J Fehrer,M Réblová,V Bambasová,M Vohník

    Data mining for a phylogenetic study including the prominent ericoid mycorrhizal fungus Rhizoscyphus ericae revealed nearly identical ITS sequences of the bryophilous Hyaloscypha hepaticicola suggesting they are conspecific. Additional genetic markers and a broader taxonomic sampling furthermore suggested that the sexual Hyaloscypha and the asexual Meliniomyces may be congeneric. In order to further

  • Duplications and losses of genes encoding known elements of the stress defence system of the Aspergilli contribute to the evolution of these filamentous fungi but do not directly influence their environmental stress tolerance
    Stud. Mycol. (IF 9.027) Pub Date : 2018-10-11
    T. Emri, K. Antal, R. Riley, Z. Karányi, M. Miskei, E. Orosz, S.E. Baker, A. Wiebenga, R.P. de Vries, I. Pócsi

    The contribution of stress protein duplication and deletion events to the evolution of the Aspergilli was studied. We performed a large-scale homology analysis of stress proteins and generated and analysed three stress defence system models based on Saccharomyces cerevisiae, Schizosaccharomyces pombe and Aspergillus nidulans. Although both yeast-based and A. nidulans-based models were suitable to trace

  • Evolution of asexual and sexual reproduction in the aspergilli
    Stud. Mycol. (IF 9.027) Pub Date : 2018-10-11
    M. Ojeda-López, W. Chen, C.E. Eagle, G. Gutiérrez, W.L. Jia, S.S. Swilaiman, Z. Huang, H.-S. Park, J.-H. Yu, D. Cánovas, P.S. Dyer

    Aspergillus nidulans has long-been used as a model organism to gain insights into the genetic basis of asexual and sexual developmental processes both in other members of the genus Aspergillus, and filamentous fungi in general. Paradigms have been established concerning the regulatory mechanisms of conidial development. However, recent studies have shown considerable genome divergence in the fungal

  • The gold-standard genome of Aspergillus niger NRRL 3 enables a detailed view of the diversity of sugar catabolism in fungi
    Stud. Mycol. (IF 9.027) Pub Date : 2018-10-07
    M.V. Aguilar-Pontes, J. Brandl, E. McDonnell, K. Strasser, T.T.M. Nguyen, R. Riley, S. Mondo, A. Salamov, J.L. Nybo, T.C. Vesth, I.V. Grigoriev, M.R. Andersen, A. Tsang, R.P. de Vries

    The fungal kingdom is too large to be discovered exclusively by classical genetics. The access to omics data opens a new opportunity to study the diversity within the fungal kingdom and how adaptation to new environments shapes fungal metabolism. Genomes are the foundation of modern science but their quality is crucial when analysing omics data. In this study, we demonstrate how one gold-standard genome

  • Redefining Humicola sensu stricto and related genera in the Chaetomiaceae
    Stud. Mycol. (IF 9.027) Pub Date : 2018-08-07
    X.W. Wang, F.Y. Yang, M. Meijer, B. Kraak, B.D. Sun, Y.L. Jiang, Y.M. Wu, F.Y. Bai, K.A. Seifert, P.W. Crous, R.A. Samson, J. Houbraken

    The traditional concept of the genus Humicola includes species that produce pigmented, thick-walled and single-celled spores laterally or terminally on hyphae or minimally differentiated conidiophores. More than 50 species have been described in the genus. Species commonly occur in soil, indoor environments, and compost habitats. The taxonomy of Humicola and morphologically similar genera is poorly

  • Taxonomy of Aspergillus section Flavi and their production of aflatoxins, ochratoxins and other mycotoxins
    Stud. Mycol. (IF 9.027) Pub Date : 2018-07-31
    J.C. Frisvad, V. Hubka, C.N. Ezekiel, S.-B. Hong, A. Nováková, A.J. Chen, M. Arzanlou, T.O. Larsen, F. Sklenář, W. Mahakarnchanakul, R.A. Samson, J. Houbraken
  • Phylogeny and genetic diversity of the banana Fusarium wilt pathogen Fusarium oxysporum f. sp. cubense in the Indonesian centre of origin
    Stud. Mycol. (IF 9.027) Pub Date : 2018-07-05
    N. Maryani, L. Lombard, Y.S. Poerba, S. Subandiyah, P.W. Crous, G.H.J. Kema

    Fusarium oxysporum f. sp. cubense (Foc), the causal agent of Fusarium wilt or Panama disease on banana, is one of the major constraints in banana production worldwide. Indonesia is the centre of origin for wild and cultivated bananas, which likely co-evolved with Foc. This study explored the widest possible genetic diversity of Foc by sampling across Indonesia at 34 geographically and environmentally

  • Cyclins in aspergilli: Phylogenetic and functional analyses of group I cyclins.
    Stud. Mycol. (IF 9.027) Pub Date : 2018-06-20
    V Paolillo,C B Jenkinson,T Horio,B R Oakley

    We have identified the cyclin domain-containing proteins encoded by the genomes of 17 species of Aspergillus as well as 15 members of other genera of filamentous ascomycetes. Phylogenetic analyses reveal that the cyclins fall into three groups, as in other eukaryotic phyla, and, more significantly, that they are remarkably conserved in these fungi. All 32 species examined, for example, have three group

  • Large-scale generation and analysis of filamentous fungal DNA barcodes boosts coverage for kingdom fungi and reveals thresholds for fungal species and higher taxon delimitation
    Stud. Mycol. (IF 9.027) Pub Date : 2018-05-30
    D. Vu, M. Groenewald, M. de Vries, T. Gehrmann, B. Stielow, U. Eberhardt, A. Al-Hatmi, J.Z. Groenewald, G. Cardinali, J. Houbraken, T. Boekhout, P.W. Crous, V. Robert, G.J.M. Verkley

    Species identification lies at the heart of biodiversity studies that has in recent years favoured DNA-based approaches. Microbial Biological Resource Centres are a rich source for diverse and high-quality reference materials in microbiology, and yet the strains preserved in these biobanks have been exploited only on a limited scale to generate DNA barcodes. As part of a project funded in the Netherlands

  • Genera of phytopathogenic fungi: GOPHY 2
    Stud. Mycol. (IF 9.027) Pub Date : 2018-05-01
    Y. Marin-Felix, M. Hernández-Restrepo, M.J. Wingfield, A. Akulov, A.J. Carnegie, R. Cheewangkoon, D. Gramaje, J.Z. Groenewald, V. Guarnaccia, F. Halleen, L. Lombard, J. Luangsa-ard, S. Marincowitz, A. Moslemi, L. Mostert, W. Quaedvlieg, R.K. Schumacher, C.F.J. Spies, R. Thangavel, P.W.J. Taylor, A.M. Wilson, B.D. Wingfield, A.R. Wood, P.W. Crous

    This paper represents the second contribution in the Genera of Phytopathogenic Fungi (GOPHY) series. The series provides morphological descriptions and information regarding the pathology, distribution, hosts and disease symptoms for the treated genera. In addition, primary and secondary DNA barcodes for the currently accepted species are inlcuded. This second paper in the GOPHY series treats 20 genera

  • Genera of phytopathogenic fungi: GOPHY 2
    Stud. Mycol. (IF 9.027) Pub Date : 2018-05-01
    Y. Marin-Felix, M. Hernández-Restrepo, M.J. Wingfield, A. Akulov, A.J. Carnegie, R. Cheewangkoon, D. Gramaje, J.Z. Groenewald, V. Guarnaccia, F. Halleen, L. Lombard, J. Luangsa-ard, S. Marincowitz, A. Moslemi, L. Mostert, W. Quaedvlieg, R.K. Schumacher, C.F.J. Spies, P.W. Crous

    This paper represents the second contribution in the Genera of Phytopathogenic Fungi (GOPHY) series. The series provides morphological descriptions and information regarding the pathology, distribution, hosts and disease symptoms for the treated genera. In addition, primary and secondary DNA barcodes for the currently accepted species are included. This second paper in the GOPHY series treats 20 genera

  • The Colletotrichum dracaenophilum, C. magnum and C. orchidearum species complexes
    Stud. Mycol. (IF 9.027) Pub Date : 2018-04-07
    U. Damm, T. Sato, A. Alizadeh, J.Z. Groenewald, P.W. Crous

    Although Glomerella glycines, Colletotrichum magnum and C. orchidearum are known as causal agents of anthracnose of soybean, Cucurbitaceae and Orchidaceae, respectively, their taxonomy remains unresolved. In preliminary analyses based on ITS, strains of these species appear basal in Colletotrichum phylogenies, clustering close to C. cliviae, C. brevisporum and other recently described species from

  • Cladosporium species in indoor environments
    Stud. Mycol. (IF 9.027) Pub Date : 2018-03-07
    K. Bensch, J.Z. Groenewald, M. Meijer, J. Dijksterhuis, Ž. Jurjevic, J. Houbraken, P.W. Crous, R.A. Samson

    As part of a worldwide survey of the indoor mycobiota about 520 new Cladosporium isolates from indoor environments mainly collected in China, Europe, New Zealand, North America and South Africa were investigated by using a polyphasic approach to determine their species identity. All Cladosporium species occurring in indoor environments are fully described and illustrated. Fourty-six Cladosporium species

  • Cladosporium species in indoor environments
    Stud. Mycol. (IF 9.027) Pub Date : 2018-03-07
    K. Bensch, J.Z. Groenewald, M. Meijer, J. Dijksterhuis, Ž. Jurjević, B. Andersen, J. Houbraken, P.W. Crous, R.A. Samson

    As part of a worldwide survey of the indoor mycobiota about 520 new Cladosporium isolates from indoor environments mainly collected in China, Europe, New Zealand, North America and South Africa were investigated by using a polyphasic approach to determine their species identity. All Cladosporium species occurring in indoor environments are fully described and illustrated. Fourty-six Cladosporium species

  • Resolving the Lophiostoma bipolare complex: Generic delimitations within Lophiostomataceae
    Stud. Mycol. (IF 9.027) Pub Date : 2018-03-07
    A. Hashimoto, K. Hirayama, H. Takahashi, M. Matsumura, G. Okada, C.Y. Chen, J.W. Huang, M. Kakishima, T. Ono, K. Tanaka

    Lophiostoma bipolare was taxonomically revised based on the morphological observations and phylogenetic analyses of molecular data from nuclear rDNA SSU-ITS-LSU, TUB, tef1, and rpb2 genes. Twenty-nine strains were morphologically similar to Lo. bipolare. A total of 174 sequences were generated from the Lo. bipolare complex. Phylogenetic analyses based on TUB sequence revealed 11 distinct species within

  • Deconstructing the evolutionary complexity between rust fungi (Pucciniales) and their plant hosts
    Stud. Mycol. (IF 9.027) Pub Date : 2018-03-01
    M. Catherine Aime, Charles D. Bell, Andrew W. Wilson

    The rust fungi (Pucciniales) are the most speciose natural group of plant pathogens, members of which possess some of the most complex lifecycles in biology. How natural selection works on the Pucciniales has been the subject of several hypotheses in mycology. This study uses molecular age estimation using sequence data from multiple loci, and cophylogeny reconciliation analyses to test hypotheses

  • Deconstructing the evolutionary complexity between rust fungi (Pucciniales) and their plant hosts
    Stud. Mycol. (IF 9.027) Pub Date : 2018-03-01
    M.C. Aime, C.D. Bell, A.W. Wilson

    The rust fungi (Pucciniales) are the most speciose natural group of plant pathogens, members of which possess the most complex lifecycles in Fungi. How natural selection works on the Pucciniales has been the subject of several hypotheses in mycology. This study uses molecular age estimation using sequence data from multiple loci, and cophylogeny reconciliation analyses to test hypotheses regarding

  • Phylogeny of dermatophytes with genomic character evaluation of clinically distinct Trichophyton rubrum and T. violaceum
    Stud. Mycol. (IF 9.027) Pub Date : 2018-02-21
    P. Zhan, K. Dukik, D. Li, J. Sun, J.B. Stielow, B. Gerrits van den Ende, B. Brankovics, S.B.J. Menken, H. Mei, W. Bao, G. Lv, W. Liu, G.S. de Hoog

    Trichophyton rubrum and T. violaceum are prevalent agents of human dermatophyte infections, the former being found on glabrous skin and nail, while the latter is confined to the scalp. The two species are phenotypically different but are highly similar phylogenetically. The taxonomy of dermatophytes is currently being reconsidered on the basis of molecular phylogeny. Molecular species definitions do

  • Fungus wars: basidiomycete battles in wood decay
    Stud. Mycol. (IF 9.027) Pub Date : 2018-02-21
    J. Hiscox, J. O'Leary, L. Boddy

    Understanding the mechanisms underlying wood decay basidiomycete community dynamics is crucial for fully understanding decomposition processes, and for modelling ecosystem function and resilience to environmental change. Competition drives community development in decaying woody resources, with interactions occurring at a distance, following physical contact, and through specialised relationships such

  • Novel and interesting Ophiocordyceps spp. (Ophiocordycipitaceae, Hypocreales) with superficial perithecia from Thailand
    Stud. Mycol. (IF 9.027) Pub Date : 2018-02-17
    J. Luangsa-ard, K. Tasanathai, D. Thanakitpipattana, A. Khonsanit, M. Stadler

    Ophiocordyceps is a heterogeneous, species-rich genus in the order Hypocreales (Sordariomycetes, Ascomycota) that includes invertebrate-pathogenic taxa. In this study, seven new species in Ophiocordyceps producing superficial perithecia infecting various insect hosts (Lepidoptera, Hemiptera) are described from Thailand – Ophiocordyceps brunneinigra, O. brunneiperitheciata, O. geometridicola, O. multiperitheciata

  • Temporal variation of fungal diversity in a mosaic landscape in Germany
    Stud. Mycol. (IF 9.027) Pub Date : 2018-02-07
    S. Rudolph, J.G. Maciá-Vicente, H. Lotz-Winter, M. Schleuning, M. Piepenbring

    This study aims at characterizing the diversity and temporal changes of species richness and composition of fungi in an ecotone of a forest border and a meadow in the Taunus mountain range in Germany. All macroscopically visible, epigeous fungi and vascular plants were sampled monthly over three years, together with climatic variables like humidity and temperature that influence fungal diversity and

  • Two different R gene loci co-evolved with Avr2 of Phytophthora infestans and confer distinct resistance specificities in potato
    Stud. Mycol. (IF 9.027) Pub Date : 2018-02-07
    C. Aguilera-Galvez, N. Champouret, H. Rietman, X. Lin, D. Wouters, Z. Chu, J.D.G. Jones, J.H. Vossen, R.G.F. Visser, P.J. Wolters, V.G.A.A. Vleeshouwers

    Late blight, caused by the oomycete pathogen Phytophthora infestans, is the most devastating disease in potato. For sustainable management of this economically important disease, resistance breeding relies on the availability of resistance (R) genes. Such R genes against P. infestans have evolved in wild tuber-bearing Solanum species from North, Central and South America, upon co-evolution with cognate

  • RXLR effector diversity in Phytophthora infestans isolates determines recognition by potato resistance proteins; the case study AVR1 and R1
    Stud. Mycol. (IF 9.027) Pub Date : 2018-02-07
    Y. Du, R. Weide, Z. Zhao, P. Msimuko, F. Govers, K. Bouwmeester

    Late blight disease caused by the plant pathogenic oomycete pathogen Phytophthora infestans is one of the most limiting factors in potato production. P. infestans is able to overcome introgressed late blight resistance by adaptation of effector genes. AVR1 is an RXLR effector that triggers immune responses when recognized by the potato resistance protein R1. P. infestans isolates avirulent on R1 plants

  • Zombie-ant fungi across continents: 15 new species and new combinations within Ophiocordyceps. I. Myrmecophilous hirsutelloid species
    Stud. Mycol. (IF 9.027) Pub Date : 2018-01-02
    J.P.M. Araújo, H.C. Evans, R. Kepler, D.P. Hughes

    Ophiocordyceps species infecting ants – the so-called zombie-ant fungi – comprise one of the most intriguing and fascinating relationships between microbes and animals. They are widespread within tropical forests worldwide, with relatively few reports from temperate ecosystems. These pathogens possess the ability to manipulate host behaviour in order to increase their own fitness. Depending on the

  • Naming names: the first women taxonomists in mycology
    Stud. Mycol. (IF 9.027) Pub Date : 2017-12-19
    Sara Maroske, Tom W. May

    The transition from amateur to professional in natural history is generally regarded as having taken place in the nineteenth century, but landmark events such as the 1917 appointment of mycologist Johanna Westerdijk (1883–1961) as the first female professor in the Netherlands indicate that the pattern of change for women was more varied and delayed than for men. We investigate this transition in mycology

  • Phylogenetic classification and generic delineation of Calyptosphaeria gen. nov., Lentomitella, Spadicoides and Torrentispora (Sordariomycetes)
    Stud. Mycol. (IF 9.027) Pub Date : 2017-12-06
    M. Réblová, A.N. Miller, K. Réblová, V. Štěpánek

    The genus Ceratostomella has a long history of taxonomic confusion. While species with evanescent asci have been transferred to the Microascales and Ophiostomatales, the taxonomic status of species with persistent asci has not been completely resolved. In previous studies using DNA sequence data, cultures and morphology, several Ceratostomella spp. were allocated in 13 genera in the Eurotiomycetes

  • Coelomycetous Dothideomycetes with emphasis on the families Cucurbitariaceae and Didymellaceae
    Stud. Mycol. (IF 9.027) Pub Date : 2017-11-21
    N. Valenzuela-Lopez, J.F. Cano-Lira, J. Guarro, D.A. Sutton, N. Wiederhold, P.W. Crous, A.M. Stchigel

    The taxonomy of the coelomycetes has undergone dramatic changes in recent years, but remains controversial due to the high number of taxa involved, their poor morphological differentiation, the rare occurrence of the sexual morphs, and rapid loss of fertility in vitro. In the present study, we revisited the families Cucurbitariaceae and Didymellaceae (Pleosporales, Dothideomycetes), which include numerous

  • A preliminary account of the Cucurbitariaceae
    Stud. Mycol. (IF 9.027) Pub Date : 2017-11-21
    W.M. Jaklitsch, J. Checa, M.N. Blanco, I. Olariaga, S. Tello, H. Voglmayr

    Fresh collections, type studies and molecular phylogenetic analyses of a multigene matrix of partial nuSSU-ITS-LSU rDNA, rpb2, tef1 and tub2 sequences were used to evaluate the boundaries of Cucurbitaria in a strict sense and of several related genera of the Cucurbitariaceae. Two species are recognised in Cucurbitaria and 19 in Neocucurbitaria. The monotypic genera Astragalicola, Cucitella, Parafenestella

  • Aspergillus subgenus Polypaecilum from the built environment
    Stud. Mycol. (IF 9.027) Pub Date : 2017-11-13
    J.B. Tanney, C.M. Visagie, N. Yilmaz, K.A. Seifert

    Xerophilic fungi, especially Aspergillus species, are prevalent in the built environment. In this study, we employed a combined culture-independent (454-pyrosequencing) and culture-dependent (dilution-to-extinction) approach to investigate the mycobiota of indoor dust collected from 93 buildings in 12 countries worldwide. High and low water activity (aw) media were used to capture mesophile and xerophile

  • Mycosphaerellaceae – Chaos or clarity?
    Stud. Mycol. (IF 9.027) Pub Date : 2017-09-28
    S.I.R. Videira, J.Z. Groenewald, C. Nakashima, U. Braun, R.W. Barreto, P.J.G.M. de Wit, P.W. Crous

    The Mycosphaerellaceae represent thousands of fungal species that are associated with diseases on a wide range of plant hosts. Understanding and stabilising the taxonomy of genera and species of Mycosphaerellaceae is therefore of the utmost importance given their impact on agriculture, horticulture and forestry. Based on previous molecular studies, several phylogenetic and morphologically distinct

  • Phylogeny of xerophilic aspergilli (subgenus Aspergillus) and taxonomic revision of section Restricti
    Stud. Mycol. (IF 9.027) Pub Date : 2017-09-27
    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

  • Cephalotrichum and related synnematous fungi with notes on species from the built environment
    Stud. Mycol. (IF 9.027) Pub Date : 2017-09-21
    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

  • Phylogenetic revision of Camarosporium (Pleosporineae, Dothideomycetes) and allied genera
    Stud. Mycol. (IF 9.027) Pub Date : 2017-08-23
    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

  • Families of Diaporthales based on morphological and phylogenetic evidence
    Stud. Mycol. (IF 9.027) Pub Date : 2017-08-01
    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

  • Pseudodidymellaceae fam. nov.: Phylogenetic affiliations of mycopappus-like genera in Dothideomycetes
    Stud. Mycol. (IF 9.027) Pub Date : 2017-07-13
    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

  • Polyphasic taxonomy of Aspergillus section Aspergillus (formerly Eurotium), and its occurrence in indoor environments and food
    Stud. Mycol. (IF 9.027) Pub Date : 2017-07-12
    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

  • Didymellaceae revisited
    Stud. Mycol. (IF 9.027) Pub Date : 2017-06-09
    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

  • Stemphylium revisited
    Stud. Mycol. (IF 9.027) Pub Date : 2017-06-06
    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

  • First report of Phyllosticta citricarpa and description of two new species, P. paracapitalensis and P. paracitricarpa, from citrus in Europe
    Stud. Mycol. (IF 9.027) Pub Date : 2017-05-29
    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

  • Phylogeny of saprobic microfungi from Southern Europe
    Stud. Mycol. (IF 9.027) Pub Date : 2017-05-17
    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

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