Browsing by UP Author "Wingfield, Brenda D."

Browsing by UP Author "Wingfield, Brenda D."

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  • A novel species of Microsphaeropsis causing cankers on rafnia amplexicaulis in South Africa 
    Paap, Trudy; Marincowitz, Seonju; Pham, N.Q.; Roets, F.; Basson, R.J.; Wingfield, Brenda D.; Oberlander, K.C. (Kenneth); Wingfield, Michael J. (Westerdijk Fungal Biodiversity Institute, 2023-12)
    Cankers leading to branch, stem and plant death were observed on the South African endemic Rafnia amplexicaulis (Fabaceae) in the Cederberg Wilderness Area, South Africa, during September 2021. Conidiomatal pycnidia were ...
  • Novel taxa in the Fusarium fujikuroi species complex from Pinus spp. 
    Herron, Darryl A.; Wingfield, Michael J.; Wingfield, Brenda D.; Rodas Pelaez, C.A. (Carlos Alberto); Marincowitz, Seonju; Steenkamp, Emma Theodora (Fungal Biodiversity Centre (CBS), 2015-03)
    The pitch canker pathogen Fusarium circinatum has caused devastation to Pinus spp. in natural forests and non-natives in commercially managed plantations. This has drawn attention to the potential importance of Fusarium ...
  • Nursery-linked plantation outbreaks and evidence for multiple introductions of the pitch canker pathogen Fusarium circinatum into South Africa 
    Santana, Quentin C.; Coetzee, Martin Petrus Albertus; Wingfield, Brenda D.; Wingfield, Michael J.; Steenkamp, Emma Theodora (Wiley, 2016-04)
    In recent years, Pinus plantation forestry has been significantly hampered by outbreaks of pitch canker caused by the fungus Fusarium circinatum. In this study we investigated the role of Pinus host, geographic origin ...
  • Occurrence and pathogenicity of Neofusicoccum parvum and N. mangiferae on ornamental Tibouchina species 
    Heath, R.N. (Ronald Natale); Roux, Jolanda; Slippers, Bernard; Drenth, Andre; Pennycook, S.R.; Wingfield, Brenda D.; Wingfield, Michael J. (Wiley-Blackwell, 2011)
    Species in the Botryosphaeriaceae are important canker pathogens of woody plants, including Eucalyptus spp. The recent discovery of the Eucalyptus pathogen, Chrysoporthe austroafricana, on ornamental Tibouchina trees raised ...
  • Ophiostoma tsotsi sp. nov., a wound-infesting fungus of hardwood trees in Africa 
    Grobbelaar, J.W. (Johanna Wilhelmina); De Beer, Z. Wilhelm; Bloomer, Paulette; Wingfield, Michael J.; Wingfield, Brenda D. (Springer, 2010-01)
    Polymorphic sequence-characterised marker assays from a recent diversity study on the Ascomycete fungus Ophiostoma quercus reported that some isolates from Africa were genetically distinct from O. quercus. In the present ...
  • Paleogene radiation of a plant pathogenic mushroom 
    Coetzee, Martin Petrus Albertus; Bloomer, Paulette; Wingfield, Michael J.; Wingfield, Brenda D.; Carter, Dee A. (Public Library of Science, 2011-12-28)
    BACKGROUND: The global movement and speciation of fungal plant pathogens is important, especially because of the economic losses they cause and the ease with which they are able to spread across large areas. Understanding ...
  • Patterns of multiple virus infections in the conifer pathogenic fungi, Diplodia pinea and Diplodia scrobiculata 
    De Wet, Juanita; Preisig, Oliver; Wingfield, Brenda D.; Wingfield, Michael J. (Blackwell, 2008)
    Diplodia pinea and Diplodia scrobiculata are opportunistic pathogens associated with various disease symptoms on conifers that most importantly include die-back and stem cankers. Two viruses with dsRNA genomes, Sphaeropsis ...
  • Phenolic degradation by catechol dioxygenases is associated with pathogenic fungi with a necrotrophic lifestyle in the Ceratocystidaceae 
    Soal, Nicole; Coetzee, Martin Petrus Albertus; Van der Nest, Magrieta Aletta; Hammerbacher, Almuth; Wingfield, Brenda D. (Genetics Society of America, 2022-03)
    Fungal species of the Ceratocystidaceae grow on their host plants using a variety of different lifestyles, from saprophytic to highly pathogenic. Although many genomes of fungi in the Ceratocystidaceae are publicly ...
  • Pheromone expression reveals putative mechanism of unisexuality in a saprobic ascomycete fungus 
    Wilson, Andrea M.; Van der Nest, Magrieta Aletta; Wilken, Pieter Markus; Wingfield, Michael J.; Wingfield, Brenda D. (Public Library of Science, 2018-03)
    Homothallism (self-fertility) describes a wide variety of sexual strategies that enable a fungus to reproduce in the absence of a mating partner. Unisexual reproduction, a form of homothallism, is a process whereby a fungus ...
  • Phylogenetic and phylogenomic analyses reveal two new genera and three new species of ophiostomatalean fungi from termite fungus combs 
    Nel, Wilma Janine; De Beer, Z. Wilhelm; Wingfield, Michael J.; Poulsen, Michael; Aanen, Duur K.; Wingfield, Brenda D.; Duong, Tuan A. (Taylor and Francis, 2021)
    The Ophiostomatales (Ascomycota) accommodates more than 300 species characterized by similar morphological adaptations to arthropod dispersal. Most species in this order are wood-inhabiting fungi associated with bark or ...
  • Phylogenetic relationships among biological species of Armillaria from China 
    Coetzee, Martin Petrus Albertus; Wingfield, Brenda D.; Zhao, Jun; Van Coller, Sophia Johanna; Wingfield, Michael J. (Elsevier, 2015-09)
    Fourteen Chinese Biological Species (CBS) of Armillaria were previously identified in a collection of Chinese isolates. CBS C, F, G, H, J, L, N and O remained unnamed, while the remaining isolates included A. borealis, A. ...
  • Phylogenomic incongruence in Ceratocystis : a clue to speciation? 
    Kanzi, Aquillah M.; Trollip, Conrad; Wingfield, Michael J.; Barnes, Irene; Van der Nest, Magrieta Aletta; Wingfield, Brenda D. (BioMed Central, 2020-05)
    BACKGROUND: The taxonomic history of Ceratocystis, a genus in the Ceratocystidaceae, has been beset with questions and debate. This is due to many of the commonly used species recognition concepts (e.g., morphological ...
  • Phylogeny and systematics of the genus Calonectria 
    Lombard, Lorenzo; Crous, Pedro W.; Wingfield, Brenda D.; Wingfield, Michael J. (Cbs Publications / Centraalbureau voor Schimmelcultures, 2010)
    Species of Calonectria are important plant pathogens, several of which have a worldwide distribution. Contemporary taxonomic studies on these fungi have chiefly relied on DNA sequence comparisons of the β-tubulin gene ...
  • Phylogeny and taxonomy of species in the Grosmannia serpens complex 
    Duong, Tuan A.; De Beer, Z. Wilhelm; Wingfield, Brenda D.; Wingfield, Michael J. (Mycological Society of America, 2011-11-28)
    Grosmannia serpens was first described from pine in Italy in 1936 and it has been recorded subsequently from many countries in both the northern and southern hemispheres. The fungus is vectored primarily by root-infesting ...
  • Phytophthora pinifolia sp. nov. associated with a serious needle disease of Pinus radiata in Chile 
    Duran, Alvaro; Gryzenhout, Marieka; Slippers, Bernard; Ahumada, Rodrigo; Rotella, Alessandro; Flores, F.; Wingfield, Brenda D.; Wingfield, Michael J. (Blackwell, 2008)
    During the course of the past three years, a new disease of Pinus radiata, referred to as 'Daño Foliar del Pino' (DFP) has appeared in the Arauco province of Chile and subsequently spread to other areas. The disease is ...
  • A plant pathology perspective of fungal genome sequencing 
    Aylward, Janneke; Steenkamp, Emma Theodora; Dreyer, Leanne Laurette; Roets, Francois; Wingfield, Brenda D.; Wingfield, Michael J. (International Mycological Association, 2017)
    The majority of plant pathogens are fungi and many of these adversely affect food security. This minireview aims to provide an analysis of the plant pathogenic fungi for which genome sequences are publically available, ...
  • Plant-associated fungal biofilms—knowns and unknowns 
    Motaung, Thabiso Eric; Peremore, Chizne; Wingfield, Brenda D.; Steenkamp, Emma Theodora (Oxford University Press, 2020-12)
    Nearly all microbes including fungi grow firmly attached to surfaces as a biofilm. Yet, attention towards fungal interactions with plants and the environment is dedicated to free-floating (planktonic) cells. Fungal biofilms ...
  • Polyphyly and two emerging lineages in the rust genera Puccinia and Uromyces 
    Maier, Wolfgang D.; Wingfield, Brenda D.; Mennicken, Mechthilde; Wingfield, Michael J. (Elsevier, 2007-02)
    The phylogenetic validity of Puccinia and Uromyces, Pucciniaceae, and closely related genera was evaluated using nucLSU rDNA sequences. Using a wide range of rust species with different life cycles and with different host ...
  • Population genomics reveals historical and ongoing recombination in the Fusarium oxysporum species complex 
    McTaggart, Alistair R.; James, T.Y.; Shivas, R.G.; Drenth, A.; Wingfield, Brenda D.; Summerell, B.A.; Duong, Tuan A. (Elsevier, 2021-12-17)
    The Fusarium oxysporum species complex (FOSC) is a group of closely related plant pathogens long-considered strictly clonal, as sexual stages have never been recorded. Several studies have questioned whether recombination ...
  • Population structure and diversity of an invasive pine needle pathogen reflects anthropogenic activity 
    Barnes, Irene; Wingfield, Michael J.; Carbone, Ignazio; Kirisits, Thomas; Wingfield, Brenda D. (Wiley Open Access, 2014-09)
    Dothistroma septosporum is a haploid fungal pathogen that causes a serious needle blight disease of pines, particularly as an invasive alien species on Pinus radiata in the Southern Hemisphere. During the course of the ...