Browsing by UP Author "Wingfield, Brenda D."

Browsing by UP Author "Wingfield, Brenda D."

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  • Ceratocystis species on Acacia mearnsii and Eucalyptus spp. in eastern and southern Africa including six new species 
    Heath, R.N. (Ronald Natale); Wingfield, Michael J.; Wingfield, Brenda D.; Meke, G.; Mbaga, A.; Roux, Jolanda (Kunming University of Science and Technology, P.R. China, 2009-01)
    A survey of Ceratocystis species infecting wounds on non-native Acacia mearnsii and Eucalyptus spp. in Kenya, Malawi, South Africa and Tanzania resulted in the identification of eight species of which six were new to ...
  • The challenge of understanding the origin, pathways and extent of fungal invasions : global populations of the Neofusicoccum parvum-N-ribis species complex 
    Sakalidis, M.L.; Slippers, Bernard; Wingfield, Brenda D.; Hardy, G.E. St. J.; Burgess, T.I. (Wiley, 2013)
    AIM : Cryptic species in the Neofusicoccum parvum–N. ribis species complex have only recently been described, invalidating previous interpretations on host and geographical distribution. This study aimed to characterize ...
  • Characterisation of Armillaria species based on pectic isozyme analyses 
    Coetzee, Martin Petrus Albertus; Maphosa, L.; Mwenje, E.; Wingfield, Michael J.; Wingfield, Brenda D. (Kunming University of Science and Technology, P.R. China, 2009-05)
    Armillaria spp. are the causal agents of Armillaria root rot on a wide variety of mainly woody plants. Identification of these fungi using morphological characteristics is complicated by the fact that fruiting structures ...
  • Characterisation of the mating-type loci in species of Elsinoe causing scab diseases 
    Pham, Nam Q.; Duong, Tuan A.; Wingfield, Brenda D.; Barnes, Irene; Duran, Alvaro; Wingfield, Michael J. (Elsevier, 2023-12)
    The genus Elsinoe includes many aggressive plant pathogens that infect various economically important agricultural, horticultural and forestry plants. Significant diseases include citrus scab caused by E. fawcettii and E. ...
  • Characterisation of Zimbabwean Armillaria using IGS-1 sequences and AFLP analysis 
    Wingfield, Brenda D.; Maphosa, L.; Coetzee, Martin Petrus Albertus; Mwenje, E.; Wingfield, Michael J. (Kunming University of Science and Technology, P.R. China, 2009-01)
    Armillaria root and butt rot disease is a common problem in peach orchards, tea and pine plantations in the Eastern Highlands of Zimbabwe. The species of Armillaria causing this disease have not been fully identified but ...
  • Characterization of a novel dsRNA element in the pine endophytic fungus Diplodia scrobiculata 
    De Wet, Juanita; Bihon, Wubetu; Preisig, Oliver; Wingfield, Brenda D.; Wingfield, Michael J. (Springer, 2011-03)
    Diplodia scrobiculata and Diplodia pinea are endophytic fungi associated with dieback and cankers of mainly Pinus spp. in many parts of the world. These two fungi are closely related and have, in the past, been considered ...
  • Characterization of host-specific genes from pine- and grass-associated species of the Fusarium fujikuroi species complex 
    Dewing, Claudette; Van der Nest, Magrieta Aletta; Santana, Quentin C.; Proctor, Robert H.; Wingfield, Brenda D.; Steenkamp, Emma Theodora; De Vos, Lieschen (MDPI, 2022-07-29)
    The Fusarium fujikuroi species complex (FFSC) includes socioeconomically important pathogens that cause disease for numerous crops and synthesize a variety of secondary metabolites that can contaminate feedstocks and ...
  • Characterization of the ergosterol biosynthesis pathway in Ceratocystidaceae 
    Sayari, Mohammad; Van der Nest, Magrieta Aletta; Steenkamp, Emma Theodora; Rahimlou, Saleh; Hammerbacher, Almuth; Wingfield, Brenda D. (MDPI, 2021-03-22)
    Terpenes represent the biggest group of natural compounds on earth. This large class of organic hydrocarbons is distributed among all cellular organisms, including fungi. The different classes of terpenes produced by ...
  • Characterization of the mating-type genes in Leptographium procerum and Leptographium profanum 
    Duong, Tuan A.; De Beer, Z. Wilhelm; Wingfield, Brenda D.; Wingfield, Michael J. (Elsevier, 2013-06)
    Leptographium procerum and the closely related species Leptographium profanum, are ascomycetes associated with root-infesting beetles on pines and hardwood trees, respectively. Both species occur in North America where ...
  • Characterization of the pitch canker fungus, Fusarium circinatum, from Chile 
    Jacobs, Adriaana; Coutinho, Teresa A.; Wingfield, Michael J.; Ahumada, Rodrigo; Wingfield, Brenda D. (Academy of Science of South Africa, 2007-05)
    Fusarium circinatum is the causal agent of the pine disease commonly referred to as pitch canker. During 2001, a Fusarium species was isolated from dying Pinus radiata clonal hedges in various forestry nurseries in Chile ...
  • Chromium sequencing : the doors open for genomics of obligate plant pathogens 
    McTaggart, Alistair R.; Duong, Tuan A.; Le, Vang Quy; Shuey, Louise S.; Smidt, Werner; Naidoo, Sanushka; Wingfield, Michael J.; Wingfield, Brenda D. (Future Medicine, 2018-11)
    It is challenging to sequence and assemble genomes of obligate plant pathogens and microorganisms because of limited amounts of DNA, comparatively large genomes and high numbers of repeat regions. We sequenced the 1.2 ...
  • Chrysoporthe puriensis sp. nov. from Tibouchina spp. in Brazil : an emerging threat to Eucalyptus 
    Oliveira, M.E.S.; Van der Merwe, Nicolaas Albertus (Albie); Wingfield, Michael J.; Wingfield, Brenda D.; Soares, T.P.F.; Kanzi, Aquillah M.; Ferreira, M.A. (Springer, 2021-01)
    The discovery of Cryphonectriaceae and more specifically species related to the Eucalyptus canker pathogen Chrysoporthe cubensis on shrubs and trees in the Melastomataceae, has deepened our understanding of relevant, and ...
  • Clonal structure of Ceratocystis manginecans populations from mango wilt disease in Oman and Pakistan 
    Al Adawi, Ali Obaid; Barnes, Irene; Khan, I.A.; Deadman, M.L.; Wingfield, Brenda D.; Wingfield, Michael J. (Springer, 2014-07)
    Ceratocystis manginecans has recently been described from Oman and Pakistan where the fungus causes a serious wilt disease of mango. In both countries, the disease has moved rapidly throughout mango producing areas leading ...
  • Co-occurring species of Teratosphaeria on Eucalyptus 
    Crous, Pedro W.; Groenewald, Johannes Zacharias; Summerell, Brett A.; Wingfield, Brenda D.; Wingfield, Michael J. (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2009)
    A common leaf spot disease occurring on Eucalyptus cladocalyx and E. lehmannii in the Western Cape Province of South Africa is known from literature to be caused by the fungus Coniothyrium ovatum, which is a pathogen native ...
  • Complete genetic linkage maps from an interspecific cross between Fusarium circinatum and Fusarium subglutinans 
    De Vos, Lieschen; Myburg, Alexander Andrew; Wingfield, Michael J.; Desjardins, Anne E.; Gordon, Thomas R. (Tom); Wingfield, Brenda D. (Elsevier, 2007-08)
    The Gibberella fujikuroi complex includes many plant pathogens of agricultural crops and trees, all of which have anamorphs assigned to the genus Fusarium. In this study, an interspecific hybrid cross between Gibberella ...
  • Concerted evolution in the ribosomal RNA cistron 
    Naidoo, Kershney; Steenkamp, Emma Theodora; Coetzee, Martin Petrus Albertus; Wingfield, Michael J.; Wingfield, Brenda D.; Corradi, Nicolas (Public Library of Science, 2013-03-12)
    BACKGROUND: Gene conversion is the mechanism proposed to be responsible for the homogenization of multigene families such as the nuclear ribosomal gene clusters. This concerted evolutionary process prevents individual ...
  • Contrasting carbon metabolism in saprotrophic and pathogenic microascalean fungi from Protea trees 
    Aylward, Janneke; Wingfield, Brenda D.; Dreyer, Leanne Laurette; Roets, Francois; Wingfield, Michael J.; Steenkamp, Emma Theodora (Elsevier, 2017-12)
    Protea-associated Knoxdaviesia species grow on decaying inflorescences, yet are closely related to plant pathogens such as Ceratocystis albifundus. C. albifundus also infects Protea, but occupies a distinct niche. We ...
  • CRISPR-Cas9-mediated genome editing in the filamentous ascomycete Huntiella omanensis 
    Wilson, Andi M.; Wingfield, Brenda D. (MyJove Corporation, 2020-06)
    The CRISPR-Cas9 genome editing system is a molecular tool that can be used to introduce precise changes into the genomes of model and non-model species alike. This technology can be used for a variety of genome editing ...
  • Cryptic species, native populations and biological invasions by a eucalypt forest pathogen 
    Perez, Guillermo; Slippers, Bernard; Wingfield, Michael J.; Wingfield, Brenda D.; Carnegie, Angus J.; Burgess, Treena I. (Wiley-Blackwell, 2012-09)
    Human-associated introduction of pathogens and consequent invasions is very evident in areas where no related organisms existed before. In areas where related but distinct populations or closely related cryptic species ...
  • Culture-independent detection and quantification of Fusarium circinatum in a pine-producing seedling nursery 
    Fourie, Gerda; Wingfield, Michael J.; Wingfield, Brenda D.; Jones, Nicky B.; Morris, Andrew R.; Steenkamp, Emma Theodora (Taylor and Francis, 2014)
    The primary symptoms associated with Fusarium circinatum infection in pine seedling nurseries are root and collar rot, shoot and the tip die-black and seedling mortality. Management of ths pathogen in nurseries uselly ...