Browsing Research Articles (Forestry and Agricultural Biotechnology Institute (FABI)) by Title

Browsing Research Articles (Forestry and Agricultural Biotechnology Institute (FABI)) by Title

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  • Uncovering the defence responses of Eucalyptus to pests and pathogens in the genomics age 
    Naidoo, Sanushka; Kulheim, Carsten; Zwart, Lizahn; Mangwanda, Ronishree; Oates, Caryn Nicole; Visser, Erik A.; Wilken, Febe E.; Mamni, Thandekile B.; Myburg, Alexander Andrew (Oxford University Press, 2014-09)
    Long-lived tree species are subject to attack by various pests and pathogens during their lifetime. This problem is exacerbated by climate change which may increase the host range for pathogens and extend the period of ...
  • Uncovering the mycorrhizal community of two Habenaria orchids in South Africa 
    Makwela, Modjadji C.; Hammerbacher, Almuth; Vivas, Maria; Coetzee, Martin Petrus Albertus; Wingfield, Brenda D.; Van Ede, Gerrit; Bose, Tanay (Elsevier, 2022-05)
    Southern Africa is a biodiversity hotspot for a variety of orchids, including Habenaria. However, we know very little about the orchid mycorrhizae that are associated with these orchids. To bridge this gap, we compared the ...
  • Unexpected diversity in historical biological control programs: Population genetics of the nematode Deladenus siricidicola in Australia and New Zealand 
    Eshetu, Firehiwot Birhane; Barnes, Irene; Nahrung, Helen F.; Fitza, Katrin N.E.; Meurisse, Nicolas; Slippers, Bernard (Elsevier, 2023-05)
    The nematode Deladenus siricidicola is used for the biocontrol of the invasive woodwasp, Sirex noctilio, that infests Pinus globally. In New Zealand, D. siricidicola was accidentally introduced along with S. noctilio, after ...
  • Unexpected genetic diversity revealed in the Eucalyptus canker pathogen Teratosphaeria gauchensis 
    Cortinas, Maria-Noel; Barnes, Irene; Wingfield, Brenda D.; Wingfield, Michael J. (Springer, 2011-09)
    Teratosphaeria gauchensis causes a serious canker disease on Eucalyptus spp. In plantations in South Africa and Africa. The pathogen is closely related to, but distinct from T. zuluensis that causes a similar stem canker ...
  • Unexpected placement of the MAT1-1-2 gene in the MAT1-2 idiomorph of Thielaviopsis 
    Wilken, Pieter Markus; Steenkamp, Emma Theodora; Van der Nest, Magrieta Aletta; Wingfield, Michael J.; De Beer, Z. Wilhelm; Wingfield, Brenda D. (Elsevier, 2018-04)
    Sexual reproduction in the Ascomycota is controlled by genes encoded at the mating-type or MAT1 locus. The two allelic versions of this locus in heterothallic species, referred to as idiomorphs, are defined by the MAT1-1-1 ...
  • Unidirectional mating-type switching confers self-fertility to Thielaviopsis cerberus, the only homothallic species in the genus 
    Kramer, Daniella; Lane, Frances Alice; Steenkamp, Emma Theodora; Wingfield, Brenda D.; Wilken, Pieter Markus (Elsevier, 2021-06)
    Sexual reproduction is ubiquitous in nature, and nowhere is this more so than in the fungi. Heterothallic behaviour is observed when there is a strict requirement of contact between two individuals of opposite mating type ...
  • The unified framework for biological invasions : a forest fungal pathogen perspective 
    Wingfield, Michael J.; Slippers, Bernard; Wingfield, Brenda D.; Barnes, Irene (Springer, 2017-11)
    Biological invasions in forests are growing in number and importance globally. The best studied examples are those caused by plants and animals, including insects. In contrast, forest invasions caused by microbes, including ...
  • Unique patterns of mating pheromone presence and absence could result in the ambiguous sexual behaviors of Colletotrichum species 
    Wilson, Andi M.; Lelwala, Ruvini V.; Taylor, Paul W.J.; Wingfield, Michael J.; Wingfield, Brenda D. (Genetics Society of America, 2021)
    Colletotrichum species are known to engage in unique sexual behaviors that differ significantly from the mating strategies of other filamentous ascomycete species. For example, most ascomycete fungi require the expression ...
  • Unraveling plant cell death during phytophthora infection 
    Midgley, Kayla A.; Van den Berg, Noelani; Swart, Velushka (MDPI, 2022-05-31)
    Oomycetes form a distinct phylogenetic lineage of fungus-like eukaryotic microorganisms, of which several hundred organisms are considered among the most devastating plant pathogens— especially members of the genus ...
  • Unravelling Mycosphaerella : do you believe in genera? 
    Crous, Pedro W.; Summerell, Brett A.; Carnegie, Angus J.; Wingfield, Michael J.; Hunter, Gavin Craig; Burgess, Treena I.; Andjic, Vera; Barber, Paul A.; Groenewald, Johannes Zacharias (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2009-10)
    Many fungal genera have been defined based on single characters considered to be informative at the generic level. In addition, many unrelated taxa have been aggregated in genera because they shared apparently similar ...
  • Updating the taxonomy of Aspergillus in South Africa 
    Visagie, Cobus M.; Houbraken, J. (Elsevier, 2020-03)
    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 ...
  • The ups and downs of plant NLR expression during pathogen infection 
    Fick, Alicia; Swart, Velushka; Van den Berg, Noelani (Frontiers Media S.A., 2022-06-02)
    Plant Nucleotide binding-Leucine rich repeat (NLR) proteins play a significant role in pathogen detection and the activation of effector-triggered immunity. NLR regulation has mainly been studied at a protein level, with ...
  • Urban environments provide opportunities for early detections of Phytophthora invasions 
    Hulbert, J.M. (Joey); Agne, Michelle C.; Burgess, Treena I.; Roets, Francois; Wingfield, Michael J. (Springer, 2017-12)
    Globalization has increased the frequency of inadvertent introductions of plant pathogens. Many catastrophic invasions of both natural and agricultural systems have been initiated through anthropogenic dissemination pathways. ...
  • Urban trees : bridge-heads for forest pest invasions and sentinels for early detection 
    Paap, Trudy; Burgess, Treena I.; Wingfield, Michael J. (Springer, 2017-12)
    Urban trees have been increasingly appreciated for the many benefits they provide. As concentrated hubs of human-mediated movement, the urban landscape is, however, often the first point of contact for exotic pests including ...
  • Uromycladium acaciae, the cause of a sudden, severe disease epidemic on Acacia mearnsii in South Africa 
    McTaggart, Alistair R.; Doungsa-ard, Chanintorn; Wingfield, Michael J.; Roux, Jolanda (Springer, 2015-11)
    A severe rust disease has caused extensive damage to plantation grown Acacia mearnsii trees in the KwaZulu- Natal Province of South Africa since 2013. The symptoms are characterized by leaf spots, petiole and rachis ...
  • Use of transgenic Oryzacystatin-I expressing plants enhances recombinant protein production 
    Pillay, Priyen; Kibido, Tsholofelo Reineth; Du Plessis, M.; Van der Vyver, Christell; Beyene, Getu; Vorster, Barend Juan; Kunert, Karl J.; Schluter, Urte (Springer, 2012-09-11)
    Plants are an effective and inexpensive host for the production of commercially interesting heterologous recombinant proteins. The Escherichia coli-derived glutathione reductase was transiently expressed as a recombinant ...
  • Useful plants grown and maintained in domestic gardens of the Capricorn district, Limpopo Province, South Africa 
    Mosina, G.K.E. (Gabolwelwe); Maroyi, Alfred; Potgieter, Martin J. (Kamla-Raj Enterprises, 2015-04)
    The objective of this study was to document useful plants in urban domestic gardens in the Limpopo Province, South Africa. Data on plant use categories of urban domestic gardens in the under-developed areas of the Limpopo ...
  • Using SNPs to find my roots 
    Wingfield, Brenda D. (AOSIS Open Journals, 2014-01)
    South Africa has been a true democracy for almost 20 years. There have been many positive developments in this time; some (including those relating to science) seem almost miraculous when one considers for instance some ...
  • Using standard keywords in publications to facilitate updates of new fungal taxonomic names 
    Schoch, Conrad L.; Aime, M. Catherine; De Beer, Z. Wilhelm; Crous, Pedro W.; Hyde, Kevin D.; Penev, Lyubomir; Seifert, Keith A.; Stadler, Marc; Zhang, Ning; Miller, Andrew N. (International Mycological Association, 2017)
    The combination of manual curation and the reliance on updates from submitters to the public sequence databases is currently inefficient and impedes the comprehensive and timely release of records with new taxonomic names. ...
  • Variable resistance to Quambalaria pitereka in spotted gum reveal opportunities for disease screening 
    Pegg, Geoffrey S.; Carnegie, Angus J.; Wingfield, Michael J.; Drenth, Andre (Springer, 2011-01)
    Quambalaria shoot blight, caused by the fungus Quambalaria pitereka, is a serious disease affecting the development of spotted gum (Corymbia citriodora subsp. citriodora, C. citriodora subsp. variegata, C. henryi and C. ...