Browsing by UP Author "Wingfield, Brenda D."

Browsing by UP Author "Wingfield, Brenda D."

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  • Population structure of Cylindrocladium parasiticum infecting peanuts (Arachis hypogaea) in Georgia, USA 
    Wright, Louwrance Peter; Davis, Andrew J.; Wingfield, Brenda D.; Crous, Pedro W.; Brenneman, Tim; Wingfield, Michael J. (Springer, 2010-02)
    Cylindrocladium parasiticum is an important pathogen of peanut (Arachis hypogaea) causing the disease Cylindrocladium black rot. The genetic structure of this haploid pathogen was determined for populations associated ...
  • Population variation in traits of Deladenus siricidicola that could influence the biocontrol of Sirex noctilio in South Africa 
    Mlonyeni, X.O.M. (Xolile Osmond Mnyamezeli); Wingfield, Brenda D.; Greeff, Jaco M. (Jacobus Maree); Hurley, Brett Phillip; Wingfield, Michael J.; Slippers, Bernard (Taylor and Francis, 2018)
    Deladenus siricidicola is the primary biocontrol agent of the invasive woodwasp, Sirex noctilio. The nematode is mass-reared in culture on the S. noctilio symbiotic fungus, A. areolatum, but can also be induced to convert ...
  • A possible centre of diversity in South East Asia for the tree pathogen, Ceratocystis manginecans 
    Fourie, Arista; Wingfield, Michael J.; Wingfield, Brenda D.; Thu, Pham Q.; Barnes, Irene (Elsevier, 2016-07)
    The fungal pathogen, Ceratocystis manginecans, has caused serious canker and wilt disease on Mangifera indica (mango), on legume tree species in Oman and Pakistan and on Acacia spp. in Indonesia. A Ceratocystis species, ...
  • A practical approach to genome assembly and annotation of basidiomycota using the example of Armillaria 
    Mensah, Deborah L. Narh; Wingfield, Brenda D.; Coetzee, Martin Petrus Albertus (Future Science Group, 2023-09-08)
    Technological advancements in genome sequencing, assembly and annotation platforms and algorithms that resulted in several genomic studies have created an opportunity to further our understanding of the biology of ...
  • The privileges and opportunities of a research sabbatical 
    Wingfield, Brenda D. (AOSIS Open Journals, 2017-09)
    As the title may suggest, I am currently undertaking a sabbatical – this time at Pennsylvania State University in the town of State College (Pennsylvania, USA). This sabbatical is the fifth that I have had the privilege ...
  • QTL mapping of mycelial growth and aggressiveness to distinct hosts in Ceratocystis pathogens 
    Fourie, Arista; Van der Nest, Magrieta Aletta; De Vos, Lieschen; Wingfield, Michael J.; Wingfield, Brenda D.; Barnes, Irene (Elsevier, 2019-10)
    Some species of Ceratocystis display strong host specificity, such as C. fimbriata sensu stricto that is restricted to sweet potato (Ipomoea batatas) as host. In contrast, the closely related C. manginecans, infects Acacia ...
  • Quantification of outcrossing events in haploid fungi using microsatellite markers 
    Lee, Dong Hyeon; Wingfield, Brenda D.; Roux, Jolanda; Wingfield, Michael J. (MDPI, 2020-04)
    Species in genera of the fungal family Ceratocystidaceae are known to have different mating strategies, including heterothallism and homothallism. Of these, species of Ceratocystis, typified by the pathogen Ceratocystis ...
  • Ras2 is important for growth and pathogenicity in Fusarium circinatum 
    Phasha, Mmatshepho Malekgale; Wingfield, Michael J.; Wingfield, Brenda D.; Coetzee, Martin Petrus Albertus; Hallen-Adams, H.; Fru, Felix Fon; Swalarsk-Parry, Benedicta S.; Yilmaz, Neriman; Duong, Tuan A.; Steenkamp, Emma Theodora (Elsevier, 2021-05)
    In this study, we investigated to possible role of Ras2 in Fusarium circinatum- a fungus that causes pine pitch canker disease on many different pine species and has a wide geographic distribution. This protein is encoded ...
  • Reconsideration of species boundaries and proposed DNA barcodes for Calonectria 
    Liu, QianLi; Li, JieQiong; Wingfield, Michael J.; Duong, Tuan A.; Wingfield, Brenda D.; Crous, Pedro W.; Chen, S.F. (Fungal Biodiversity Centre (CBS), 2020-09)
    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 ...
  • Reconsidering species boundaries in the Ceratocystis paradoxa complex, including a new species from oil palm and cacao in Cameroon 
    Mbenoum, Michael; De Beer, Z. Wilhelm; Wingfield, Michael J.; Wingfield, Brenda D.; Roux, Jolanda (Mycological Society of America, 2014)
    The Ceratocystis paradoxa complex accommodates a group of fungal pathogens that have become specialized to infect mostly monocotyledonous plants. Four species currently are recognized in this group, including C. paradoxa, ...
  • Redefining Ceratocystis and allied genera 
    De Beer, Z. Wilhelm; Doung, T.A.; Barnes, Irene; Wingfield, Brenda D.; Wingfield, Michael J. (Fungal Biodiversity Centre (CBS), 2014-11-07)
    The genus Ceratocystis was established in 1890 and accommodates many important fungi. These include serious plant pathogens, significant insect symbionts and agents of timber degradation that result in substantial economic ...
  • Redefining species limits in the Fusarium fujikuroi species complex 
    Yilmaz, Neriman; Sandoval-Denis, Marcelo; Lombard, L.; Visagie, Cobus M.; Wingfield, Brenda D.; Crous, Pedro W. (Naturalis Biodiversity Center, 2021-06)
    The Fusarium fujikuroi species complex (FFSC) includes more than 60 phylogenetic species (phylospecies) with both phytopathological and clinical importance. Because of their economical relevance, a stable taxonomy and ...
  • The relevance of studying insect–nematode interactions for human disease 
    Swart, Zorada; Duong, Tuan A.; Wingfield, Brenda D.; Postma, Alissa; Slippers, Bernard (Taylor and Francis, 2022)
    Vertebrate-parasitic nematodes cause debilitating, chronic infections in millions of people worldwide. The burden of these so-called ‘neglected tropical diseases’ is often carried by poorer socioeconomic communities in ...
  • Repeat-induced point mutations drive divergence between Fusarium circinatum and its close relatives 
    Van Wyk, Stephanie; Wingfield, Brenda D.; De Vos, Lieschen; Van der Merwe, Nicolaas Albertus (Albie); Santana, Quentin C.; Steenkamp, Emma Theodora (MDPI, 2019-12)
    The Repeat-Induced Point (RIP) mutation pathway is a fungal-specific genome defense mechanism that counteracts the deleterious effects of transposable elements. This pathway permanently mutates its target sequences by ...
  • Residual effects caused by a past mycovirus Infection in Fusarium circinatum 
    Zamora-Ballesteros, Cristina; Wingfield, Brenda D.; Wingfield, Michael J.; Martin-Garcia, Jorge; Diez, Julio J. (MDPI, 2021-01)
    Mycoviruses are known to be difficult to cure in fungi but their spontaneous loss occurs commonly. The unexpected disappearance of mycoviruses can be explained by diverse reasons, from methodological procedures to ...
  • The RIPper, a web-based tool for genome-wide quantification of repeat-induced point (RIP) mutations 
    Van Wyk, Stephanie; Harrison, Christopher H.; Wingfield, Brenda D.; De Vos, Lieschen; Van der Merwe, Nicolaas Albertus (Albie); Steenkamp, Emma Theodora (PeerJ, 2019-08)
    BACKGROUND. The RIPper (http://theripper.hawk.rocks) is a set of web-based tools designed for analyses of Repeat-Induced Point (RIP) mutations in the genome sequences of Ascomycota. The RIP pathway is a fungal genome ...
  • Saprophytic and pathogenic fungi in the Ceratocystidaceae differ in their ability to metabolize plant-derived sucrose 
    Van der Nest, Magrieta Aletta; Steenkamp, Emma Theodora; McTaggart, Alistair R.; Trollip, Conrad; Godlonton, T.; Sauerman, E.; Roodt, Danielle; Naidoo, Kershney; Coetzee, Martin Petrus Albertus; Wilken, Pieter Markus; Wingfield, Michael J.; Wingfield, Brenda D. (BioMed Central, 2015-12-07)
    BACKGROUND : Proteins in the Glycoside Hydrolase family 32 (GH32) are carbohydrate-active enzymes known as invertases that hydrolyse the glycosidic bonds of complex saccharides. Fungi rely on these enzymes to gain access ...
  • Single dominant Ganoderma species is responsible for root rot of Acacia mangium and Eucalyptus in Sumatra 
    Coetzee, Martin Petrus Albertus; Wingfield, Brenda D.; Golani, G.D.; Tjahjono, Budi; Gafur, A.; Wingfield, Michael J. (Taylor & Francis, 2011)
    Ganoderma root rot is the most serious disease affecting commercially planted Acacia mangium in plantations in Indonesia. Numerous Ganoderma spp. have been recorded from diseased trees of this species and to a lesser ...
  • Sources of Diplodia pinea endophytic infections in Pinus patula and P. radiata seedlings in South Africa 
    Bihon, Wubetu; Slippers, Bernard; Burgess, Treena I.; Wingfield, Michael J.; Wingfield, Brenda D. (Wiley-Blackwell, 2011)
    Diplodia pinea, an opportunistic and latent pathogen, can significantly affect Pinus productivity worldwide. Despite being studied in South Africa for almost 100 years, the source of D. pinea inoculum responsible for ...
  • Species concepts in Calonectria (Cylindrocladium) 
    Lombard, Lorenzo; Crous, Pedro W.; Wingfield, Brenda D.; Wingfield, Michael J. (Cbs Publications / Centraalbureau voor Schimmelcultures, 2010)
    Species of Calonectria and their Cylindrocladium anamorphs are important plant pathogens worldwide. At present 52 Cylindrocladium spp. and 37 Calonectria spp. are recognised based on sexual compatibility, morphology and ...