Browsing Research Articles (Biochemistry) by Title

Browsing Research Articles (Biochemistry) by Title

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  • Biodiversity of Lecanosticta pine-needle blight pathogens suggests a Mesoamerican Centre of origin 
    Van der Nest, Ariska; Wingfield, Michael J.; Ortiz, Paulo C.; Barnes, Irene (International Mycological Association, 2019-06-07)
    Lecanosticta acicola causes the disease known as brown spot needle blight (BSNB), on Pinus species. The pathogen is thought to have a Central American centre of origin. This was based on the morphological variation between ...
  • A bioeconomic model for the optimization of local canine rabies control 
    Anderson, Aaron; Kotze, Johann; Shwiff, Stephanie A; Hatch, Brody; Slootmaker, Chris; Conan, Anne; Knobel, Darryn Leslie; Nel, Louis Hendrik (Public Library of Science, 2019-05-22)
    We present a new modeling tool that can be used to maximize the impact of canine rabies management resources that are available at the local level. The model is accessible through a web-based interface that allows for ...
  • Biology of a putative male aggregation-sex pheromone in Sirex noctilio (Hymenoptera: Siricidae) 
    Guignard, Quentin; Bouwer, Marc Clement; Slippers, Bernard; Allison, Jeremy D. (Public Library of Science, 2020-12-31)
    A putative male-produced pheromone has recently been described for the global pest of pines, Sirex noctilio, but field-activity has not been demonstrated. This study aimed to investigate the pheromone biology of S. ...
  • Biotic interactions are an unexpected yet critical control on the complexity of an abiotically driven polar ecosystem 
    Lee, Charles K.; Laughlin, Daniel C.; Bottos, Eric M.; Caruso, Tancredi; Joy, Kurt; Barrett, John E.; Brabyn, Lars; Nielsen, Uffe N.; Adams, Byron J.; Wall, Diana H.; Hopkins, David W.; Pointing, Stephen B.; McDonald, Ian R.; Cowan, Don A.; Banks, Jonathan C.; Stichbury, Glen A.; Jones, Irfon; Zawar-Reza, Peyman; Katurji, Marwan; Hogg, Ian D.; Sparrow, Ashley D.; Storey, Bryan C.; Green, T. G. Allan; Cary, S. Craig (Nature Research, 2019-02-15)
    Abiotic and biotic factors control ecosystem biodiversity, but their relative contributions remain unclear. The ultraoligotrophic ecosystem of the Antarctic Dry Valleys, a simple yet highly heterogeneous ecosystem, is a ...
  • Black root rot : a long known but little understood disease 
    Nel, Wilma Janine; Duong, Tuan A.; De Beer, Z. Wilhelm; Wingfield, Michael J. (Wiley, 2019-06)
    Black root rot caused by the pathogen Thielaviopsis basicola has been known since the mid 1800s. The disease is important on many agricultural and ornamental plant species and has been found in at least 31 countries. Since ...
  • Blind spots in global soil biodiversity and ecosystem function research 
    Guerra, Carlos A.; Heintz-Buschart, Anna; Sikorski, Johannes; Chatzinotas, Antonis; Guerrero-Ramirez, Nathaly; Cesarz, Simone; Beaumelle, Lea; Rillig, Matthias C.; Maestre, Fernando T.; Delgado-Baquerizo, Manuel; Buscot, Francois; Overmann, Jorg; Patoine, Guillaume; Phillips, Helen R.P.; Winter, Marten; Wubet, Tesfaye; Kusel, Kirsten; Bardgett, Richard D.; Cameron, Erin K.; Cowan, Don A.; Grebenc, Tine; Marin, Cesar; Orgiazzi, Alberto; Singh, Brajesh K.; Wall, Diana H.; Eisenhauer, Nico (Nature Publising Group, 2020-08-03)
    Soils harbor a substantial fraction of the world’s biodiversity, contributing to many crucial ecosystem functions. It is thus essential to identify general macroecological patterns related to the distribution and functioning ...
  • Blood ketone bodies and breath acetone analysis and their correlations in type 2 diabetes mellitus 
    Saasa, Valentine; Beukes, Mervyn; Lemmer, Yolandy; Mwakikunga, Bonex (MDPI, 2019-12-17)
    Analysis of volatile organic compounds in the breath for disease detection and monitoring has gained momentum and clinical significance due to its rapid test results and non-invasiveness, especially for diabetes mellitus ...
  • Botanical gardens as key resources and hazards for biosecurity 
    Wondafrash, Mesfin; Wingfield, Michael J.; Wilson, John R.U.; Hurley, Brett Phillip; Slippers, Bernard; Paap, Trudy (Springer, 2021-06)
    Biodiversity and economic losses resulting from invasive plant pests and pathogens are increasing globally. For these impacts and threats to be managed effectively, appropriate methods of surveillance, detection and ...
  • Both alpha- and beta-rhizobia occupy the root nodules of Vachellia karroo in South Africa 
    Beukes, Chrizelle Winsie; Boshoff, Francois S.; Phalane, Francina L.; Hassen, Ahmed Idris; Le Roux, Marianne M.; Stepkowski, Tomasz; Venter, S.N. (Stephanus Nicolaas); Steenkamp, Emma Theodora (Frontiers Media, 2019-06-04)
    Vachellia karroo (formerly Acacia karroo) is a wide-spread legume species indigenous to southern Africa. Little is known regarding the identity or diversity of rhizobia that associate with this plant in its native range ...
  • Botryosphaeriaceae associated with Acacia heterophylla (La Réunion) and Acacia koa (Hawaii) 
    Jami, Fahimeh; Marincowitz, Seonju; Slippers, Bernard; Crous, Pedro W.; Le Roux, Johannes J.; Richardson, David M.; Wingfield, Michael J. (Elsevier, 2019-11)
    Acacia koa and A. heterophylla are commonly occurring native trees on the Hawaiian Islands and La Réunion, respectively. A recent phylogenetic study suggested that A. heterophylla renders A. koa paraphyletic, and that the ...
  • Botryosphaeriaceae on Syzygium cordatum across a latitudinal gradient in South Africa 
    Vivas, Maria; Mehl, James William Montague; Wingfield, Michael J.; Roux, Jolanda; Slippers, Bernard (Elsevier, 2021-09)
    The Botryosphaeriaceae is a family of endophytic fungi, many of which are latent pathogens of woody plants. Although extensively sampled in some parts of the world, little is known regarding their occurrence across different ...
  • Bradyrhizobium altum sp. nov., Bradyrhizobium oropedii sp. nov. and Bradyrhizobium acaciae sp. nov. from South Africa show locally restricted and pantropical nodA phylogeographic patterns 
    Avontuur, Juanita R.; Palmer, Marike; Beukes, Chrizelle Winsie; Chan, Wai Yin; Tasiya, Taponeswa; Van Zyl, Elritha; Coetzee, Martin Petrus Albertus; Stepkowski, Tomasz; Venter, S.N. (Stephanus Nicolaas); Steenkamp, Emma Theodora (Elsevier, 2022-02)
    Please read abstract in the article.
  • Breed ancestry, divergence, admixture, and selection patterns of the Simbra crossbreed 
    Van der Nest, Magrieta Aletta; Hlongwane, Nompilo; Hadebe, Khanyisile; Chan, Wai Yin; Van der Merwe, Nicolaas Albertus (Albie); De Vos, Lieschen; Greyling, Ben; Kooverjee, Bhaveni B.; Soma, Pranisha Omduth; Dzomba, Edgar F.; Bradfield, Michael; Muchadeyi, Farai C. (Frontiers Media, 2021-01)
    In this study, we evaluated an admixed South African Simbra crossbred population, as well as the Brahman (Indicine) and Simmental (Taurine) ancestor populations to understand their genetic architecture and detect genomic ...
  • Bringing on the bulliform cells : a complex transcriptional regulatory module keeps rice leaves flat 
    Roodt, Danielle (American Society of Plant Biologists, 2021-04)
    No abstract available.
  • Calpurnia aurea (Aiton) benth extracts reduce quorum sensing controlled virulence factors in Pseudomonas aeruginosa 
    Cosa, Sekelwa; Rakoma, Jostina R.; Yusuf, Abdullahi Ahmed; Tshikalange, Thilivhali Emmanuel (MDPI Publishing, 2020-05-13)
    Pseudomonas aeruginosa is the causative agent of several life-threatening human infections. Like many other pathogens, P. aeruginosa exhibits quorum sensing (QS) controlled virulence factors such as biofilm during disease ...
  • Cellular injury evidenced by impedance technology and infrared microspectroscopy 
    Le Roux, Karlien; Prinsloo, Linda Charlotta; Meyer, Debra (Elsevier, 2015-03)
    Fourier Transform Infrared (FTIR) spectroscopy is finding increasing biological application, for example in the analysis of diseased tissues and cells, cell cycle studies and investigating the mechanisms of action ...
  • Ceratocystidaceae exhibit high levels of recombination at the mating-type (MAT) locus 
    Simpson, M.C. (Melissa Claire); Coetzee, Martin Petrus Albertus; Van der Nest, Magrieta Aletta; Wingfield, Michael J.; Wingfield, Brenda D. (Elsevier, 2018-12)
    Mating is central to many fungal life cycles and is controlled by genes at the mating-type (MAT) locus. These genes determine whether the fungus will be self-sterile (heterothallic) or self-fertile (homothallic). Species ...
  • Ceratocystis quercicola sp. nov. from Quercus variabilis in Korea 
    Cho, Sung-Eun; Lee, Dong Hyeon; Wingfield, Michael J.; Marincowitz, Seonju (Korean Society of Mycology, 2020-06-02)
    During a survey of putative fungal pathogens infecting oak trees in the Gangwon Province of the Republic of Korea, a fungus resembling a Ceratocystis sp. was repeatedly isolated from natural wounds on Quercus variabilis. ...
  • Ceratocystis wilt on Eucalyptus : first record from South Africa 
    Roux, Jolanda; Wingfield, Michael J.; Fourie, Arista; Noeth, K.; Barnes, Irene (NISC (Pty) Ltd and Informa UK Limited (trading as Taylor and Francis Group), 2020)
    Wilt and death of an E. grandis × E. urophylla variety was recently observed in the Zululand region of KwaZulu-Natal, South Africa. Symptoms on the dying trees included a streaking pattern of discolouration in the sapwood ...
  • Certification for gene-edited forests 
    Strauss, Steven H.; Boerjan, Wout; Chiang, Vincent; Costanza, Adam; Coleman, Heather; Davis, John M.; Lu, Meng-Zhu; Mansfield, Shawn D.; Merkle, Scott; Myburg, Alexander Andrew; Nilsson, Ove; Pilate, Gilles; Powell, William; Seguin, Armand; Valenzuela, Sofia (American Association for the Advancement of Science, 2019-08-23)
    Forest certification bodies were established to provide consumers with confidence that they are purchasing sustainably sourced wood products.