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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  • Tree defence and bark beetles in a drying world : carbon partitioning, functioning and modelling 
    Huang, Jianbei; Kautz, Markus; Trowbridge, Amy M.; Hammerbacher, Almuth; Raffa, Kenneth F.; Adams, Henry D.; Goodsman, Devin W.; Xu, Chonggang; Meddens, Arjan J.H.; Kandasamy, Dineshkumar; Gershenzon, Jonathan; Seidl, Rupert; Hartmann, Henrik (Wiley, 2020-01)
    Drought has promoted large-scale, insect-induced tree mortality in recent years, with severe consequences for ecosystem function, atmospheric processes, sustainable resources and global biogeochemical cycles. However, ...
  • Tree health in South Africa : retrospect and prospect 
    Wingfield, Michael J.; Hurley, Brett Phillip; Wingfield, Brenda D.; Slippers, Bernard (AOSIS Open Journals, 2020-11-26)
    South Africa is a country with very limited natural forest cover. Consequently, the timber and fibre needs of the country cannot be provided for from indigenous forest. It is largely for this reason that South Africa ...
  • Trinickia dabaoshanensis sp. nov., a new name for a lost species 
    Estrada-de los Santos, Paulina; Palmer, Marike; Steenkamp, Emma Theodora; Maluk, Marta; Beukes, Chrizelle Winsie; Hirsch, Ann M.; James, Euan K.; Venter, S.N. (Stephanus Nicolaas) (Springer, 2019-11)
    “Burkholderia dabaoshanensis” was described in 2012. Although the name was effectively published, it could not be validly published, because the description provided in the original paper did not comply with the Rule 27 ...
  • Truncation of MAT1-2-7 deregulates developmental pathways associated with sexual reproduction in Huntiella omanensis 
    Wilson, Andi M.; Wingfield, Michael J.; Wingfield, Brenda D. (American Society for Microbiology, 2022-09-26)
    The MAT1-1-1 and MAT1-2-1 genes are thought to be the master regulators of sexual development in most ascomycete fungi, and they are often essential for this process. In contrast, it has been suggested that the secondary ...
  • Two new Ophiostoma species from Protea caffra in Zambia 
    Roets, Francois; Wingfield, Brenda D.; De Beer, Z. Wilhelm; Wingfield, Michael J.; Dreyer, Leanne Laurette (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2010-06)
    The genus Ophiostoma (Ophiostomatales) has a global distribution and species are best known for their association with bark beetles (Curculionidae: Scolytinae) on conifers. An unusual assemblage of these fungi is closely ...
  • Two new Phytophthora species from South African Eucalyptus plantations 
    Maseko, Bongani; Burgess, Treena I.; Coutinho, Teresa A.; Wingfield, Michael J. (Elsevier, 2007-11)
    A recent study to determine the cause of collar and root rot disease outbreaks of cold tolerant Eucalyptus species in South Africa resulted in the isolation of two putative new Phytophthora species. Based on phylogenetic ...
  • Two new species of Leptographium from Dryocetes authographus and Hylastes cunicularius in Norway 
    Jacobs, Karin; Krokene, Paal; Solheim, Halvor; Wingfield, Michael J. (Springer, 2010-03)
    The anamorph genus Leptographium Lagerberg and Melin includes species that are typically bark beetle-associated fungi, with teleomorphs in Grosmannia. During a survey of ophiostomatoid fungi in Norway, two unusual species, ...
  • Two novel Phytophthora species from the southern tip of Africa 
    Bose, Tanay; Hulbert, J.M. (Joey); Burgess, Treena I.; Paap, Trudy; Roets, Francois; Wingfield, Michael J. (Springer, 2021-06)
    The microbial diversity associated with natural vegetation in the Greater Cape Floristic Region of South Africa is largely unexplored. As part of the Cape Citizen Science programme and independent research, surveys were ...
  • 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 ...