Browsing Research Articles (Plant Science) by Title

Browsing Research Articles (Plant Science) by Title

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  • Gene-for-gene tolerance to bacterial wilt in Arabidopsis 
    Van der Linden, Liesl Elizabeth; Bredenkamp, Jane; Naidoo, Sanushka; Fouche-Weich, Joanne; Denby, Katherine J.; Genin, Stephane; Marco, Yves; Berger, David Kenneth (American Phytopathological Society, 2013-04)
    Bacterial wilt caused by Ralstonia solanacearum is a disease of widespread economic importance that affects numerous plant species, including Arabidopsis thaliana. We describe a pathosystem between A. thaliana and biovar ...
  • Generic status of Quisqualis (Combretaceae), with notes on the taxonomy and distribution of Q. parviflora 
    Jordaan, Marie; Van Wyk, Abraham Erasmus (Braam); Maurin, O. (National Botanical Institute, 2011)
    The taxonomic status of Quisqualis L., a genus closely related to and sometimes considered congeneric with Combretum Loefl., is discussed. The genus Quisqualis is maintained to accommodate selected African, Indian, Asian ...
  • Genetic analysis among selected vernonia lines through seed oil content, fatty acids and RAPD DNA markers 
    Ramalema, S.P.; Shimelis, H.; Ncube, I.; Kunert, Karl J.; Mashela, Phatu W. (Academic Journals, 2010-01)
    Vernonia (Vernonia galamensis) is a new potential industrial oilseed crop. The seeds of this crop contain unusual naturally epoxidised fatty acids which are used in the production of various industrial products. The ...
  • Genomic changes associated with somaclonal variation in banana (Musa spp.) 
    Oh, Thomas J.; Cullis, Margaret A.; Kunert, Karl J.; Engelborghs, Iris; Swennen, Rony; Cullis, C.A. (Christoper Ashley) (Blackwell, 2007-04)
    The molecular basis of somaclonal variation is not precisely known, but both genetic and epigenetic mechanisms have been proposed. The available evidence points toward the existence of labile portions of the genome that ...
  • The genus Aloe L. (Asphodelaceae : Alooideae) in the eastern Cape Province of South Africa 
    Klopper, Ronell Renett; Smith, G.F. (Gideon Francois), 1959- (Cactus and Succulent Society of America, 2010)
    The Eastern Cape is extremely diverse and is a climatic, topographic and geological transition zone. This transitional nature of the environment is reflected in the phytogeographical and phytosociological complexity of ...
  • The genus Aloe L. (Asphodelaceae: Alooideae) in Malawi 
    Klopper, Ronell Renett; Lane, Stewart S.; Msekandiana-Mkwapatira, Gladys; Smith, G.F. (Gideon Francois), 1959- (British Cactus and Succulent Society, 2012)
    Malawi is a landlocked country situated in the eastern section of South Tropical Africa. This relatively small country has a rich mosaic of habitats owing to the varied topography, altitudinal ranges and rainfall found ...
  • The genus Calvatia ('Gasteromycetes', Lycoperdaceae) : a review of its ethnomycology and biotechnological potential 
    Coetzee, J.C. (Johannes C.); Van Wyk, Abraham Erasmus (Braam) (Academic Journals, 2009-11-16)
    Several members of the fungal puffball genus Calvatia Fr. have found widespread use amongst various cultures world-wide, especially as sources of food and/or traditional medicine. Hitherto the biotechnological potential ...
  • The genus Cyphostemma (Planch.) Alston (Vitaceae) in Angola 
    De Sousa, Filipe; Figueiredo, Estrela; Smith, G.F. (Gideon Francois), 1959- (British Cactus and Succulent Society, 2011)
    An overview of the 22 taxa recorded in the genus Cyphostemma (Planch.) Alston (Vitaceae) in Angola is presented. An identification key to all taxa recorded is provided, together with a referenced list of taxa with synonymy, ...
  • The genus Cyrtomium (Pteridophyta: Dryopteridaceae) in Africa and Madagascar 
    Roux, J.P. (Jacobus Petrus) (Wiley-Blackwell, 2011-12)
    The fern genus Cyrtomium (Dryopteridaceae) in Africa and Madagascar is reviewed. Until now, a single Cyrtomium species ascribed to either C. caryotideum or C. micropterum (the latter often considered to be a variety of ...
  • Getting that grant : how to convince an evaluation panel that your proposal is worthy of funding 
    Smith, G.F. (Gideon Francois), 1959-; Figueiredo, Estrela; Pennington, Toby; Davila, Patricia (International Association for Plant Taxonomy, 2009-05)
    For some years the International Association for Plant Taxonomy (IAPT) has sponsored research grants in plant systematics to young scientists, predominantly from developing countries. At the meeting of Council, held on 12 ...
  • Gibberellin biosynthesis inhibitors help control plant height for improving lodging resistance in E. Tef (Eragrostis tef) 
    Gebre, Endale; Schluter, Urte; Hedden, Peter; Kunert, Karl J. (Taylor and Francis, 2012)
    Eragrostis tef, a tall stature and highly nutritious cereal grown in East Africa, has a serious lodging problem that reduces its productivity considerably. Certain plant-growth regulators are known to restrict growth ...
  • Global legume diversity assessment : concepts, key indicators, and strategies 
    Yahara, Tetsukazu; Javadi, Firouzeh; Onoda, Yusuke; de Queiroz, Luciano Paganucci; Faith, Daniel P.; Prado, Darien E.; Akasaka, Munemitsu; Kadoya, Taku; Ishihama, Fumiko; Davies, Stuart; Slik, J.W. Ferry; Yi, Tingshuang; Ma, Keping; Bin, Chen; Darnaedi, Dedi; Pennington, R. Toby; Tuda, Midori; Shimada, Masakazu; Ito, Motomi; Egan, Ashley N.; Buerki, Sven; Raes, Niels; Kajita, Tadashi; Vatanparast, Mohammad; Mimura, Makiko; Tachida, Hidenori; Iwasa, Yoh; Smith, G.F. (Gideon Francois), 1959-; Victor, Janine Elizabeth; Nkonki, Tandiwe (International Association for Plant Taxonomy, 2013-04)
    While many plant species are considered threatened under anthropogenic pressure, it remains uncertain how rapidly we are losing plant species diversity. To fill this gap, we propose a Global Legume Diversity Assessment ...
  • Growth inhibition and induction of apoptosis in human cancerous HeLa cells by Maytenus procumbens 
    Momtaz, Saeideh; Hussein, Ahmed A.; Ostad, Seyed Nasser; Abdollahi, Mohammad; Lall, Namrita (Elsevier, 2013-01)
    The possible biochemical activities of the acetonic/ethanolic extract of the leaves of Maytenus procumbens (L.M.P), and its isolated compounds were investigated in the present study. In cytotoxicity assay, L.M.P showed ...
  • Guidelines for phytosociological classifications and descriptions of vegetation in southern Africa 
    Brown, Leslie R.; Du Preez, Pieter J.; Bezuidenhout, Hugo; Bredenkamp, George J.; Mostert, T.H.C. (Theodorus Hendrik Cornelis); Collins, Nacelle B. (AOSIS Open Journals, 2013-07-23)
    Changes in the environment are first observed in changes in the vegetation. Vegetation survey, classification and mapping form the basis on which informed and scientifically defendable decisions on the environment can ...
  • Gymnosporia swazica (Celastraceae), a new species from southern Africa 
    Jordaan, Marie; Van Wyk, Abraham Erasmus (Braam) (Magnolia Press (Open Access), 2015-01)
    Gymnosporia swazica, a new restricted-range southern African species, is described and illustrated here. Known from only a few localities in Swaziland and bordering parts of South Africa (Mpumalanga and northeastern ...
  • History and drivers of plant taxonomy in South Africa 
    Victor, Janine Elizabeth; Smith, G.F. (Gideon Francois), 1959-; Van Wyk, Abraham Erasmus (Braam) (Magnolia Press, 2016-08-06)
    The development of plant taxonomy in South Africa from about 1600 to 2015 is reviewed, with emphasis on the main driving factors that have influenced the research direction, techniques used, and choice of taxonomic research ...
  • Host jumps shaped the diversity of extant rust fungi (Pucciniales) 
    McTaggart, Alistair R.; Shivas, R.G.; Van der Nest, Magrieta Aletta; Roux, Jolanda; Wingfield, Brenda D.; Wingfield, Michael J. (Wiley, 2016-02)
    The aim of this study was to determine the evolutionary time line for rust fungi and date key speciation events using a molecular clock. Evidence is provided that supports a contemporary view for a recent origin of rust ...
  • How effective and safe is Bt-maize in South Africa? 
    Kunert, Karl J. (Academy of Science of South Africa, 2011-09)
    The South African National Biodiversity Institute (SANBI) recently released the outcome of the South Africa-Norway bio-safety cooperation project 'Monitoring the environmental impacts of GM maize in South Africa'. This ...
  • Hypoglycaemic activity of four plant extracts traditionally used in South Africa for diabetes 
    Deutschlander, M.S. (Miranda Susan); Van de Venter, Maryna; Roux, S.; Louw, J.; Lall, Namrita (Elsevier, 2009)
    AIM: To validate plant species for Hypoglycaemic activity. MATERIALS AND METHODS: Four plants were investigated for hypoglycaemic activity by evaluating inhibiting effects on carbohydrate-hydrolising enzymes: α-glucosidase ...
  • The hypoglycemic activity of Euclea undulata Thunb. var. myrtina (Ebenaceae) root bark evaluated in a streptozotocin-nicotinamide induced type 2 diabetes rat model 
    Deutschlander, M.S. (Miranda Susan); Lall, Namrita; Van de Venter, Maryna; Dewanjee, S. (Elsevier, 2012-05)
    The hypoglycaemic activity of a crude acetone extract of the root bark of Euclea undulata var. myrtina was evaluated in a streptozotocin-nicotinamide induced type 2 diabetes rat model after positive results were obtained ...