• Bacteria of the genus xenorhabdus, a novel source of bioactive compounds 

      Dreyer, Jonike; Malan, Antoinette P.; Dicks, Leon M. T. (Frontiers Media, 2018-12-19)
      The genus Xenorhabdus of the family Enterobacteriaceae, are mutualistically associated with entomopathogenic nematodes of the genus Steinernema. Although most of the associations are species-specific, a specific Xenorhabdus ...
    • The bacteria, biology and biotechnology of biomining 

      Rawlings, Douglas Eric (Stellenbosch : Stellenbosch University, 1999)
      Inaugural address delivered by Prof Douglas Eric Rawlings during April 1999, Stellenbosch University.
    • Bacterial diversity and production of sulfide in microcosms containing uncompacted bentonites 

      Grigoryan, Alexander A.; Jalique, Daphne R.; Medihala, Prabhakara; Stroes-Gascoyne, Simcha; Wolfaardt, Gideon M.; McKelvie, Jennifer; Korber, Darren R. (2018)
      Aims: This study examined the diversity and sulfide-producing activity of microorganisms in microcosms containing commercial clay products (e.g., MX-80, Canaprill and National Standard) similar to materials which are ...
    • Binary interactions between bacteria and Candida albicans 

      Benade, Eliska (Stellenbosch : Stellenbosch University, 2017-03)
      ENGLISH ABSTRACT: The primary habitat of the ascomycetous yeast Candida albicans is thought to be the mammalian gastrointestinal (GI) tract. This opportunistic pathogen however, was also found to be capable of sustainable ...
    • The biochemistry of malic acid metabolism by wine yeasts – a review 

      Saayman, M.; Viljoen-Bloom, M. (South African Society for Enology and Viticulture, 2006)
      L-Malic acid is an essential intermediate of cell metabolism and the D,L-racemic mixture is used as an acidulant in a variety of foods and beverages. In the wine industry, it plays an important role during grape must ...
    • Biodegradation of winery wastewater 

      Malandra, Lida (Stellenbosch : University of Stellenbosch, 2003-04)
      ENGLISH ABSTRACT: Large volumes of wastewater are generated annually during the grape harvest season from various processing and cleaning operations at wineries, distilleries and other wine-related industries. South ...
    • Biodiversity in the genus Penicillium from coastal fynbos soil 

      Visagie, Cobus M. (Stellenbosch : Stellenbosch University, 2008-12)
      Penicillium is a well‐known cosmopolitan genus with more than 225 accepted species. Species from this diverse genus, in general, are considered to primarily be soil fungi, with decomposition as its main function. Therefore, ...
    • Bioenergy and African transformation 

      Lynd, Lee R.; Sow, Mariam; Chimphango, Annie F. A.; Cortez, Luis A. B.; Brito Cruz, Carlos H.; Elmissiry, Mosad; Laser, Mark; Mayaki, Ibrahim A.; Moraes, Marcia A. F. D.; Nogueira, Luiz A. H.; Wolfaardt, Gideon M.; Woods, Jeremy; Van Zyl, Willem H. (BioMed Central, 2015-02)
      Among the world’s continents, Africa has the highest incidence of food insecurity and poverty and the highest rates of population growth. Yet Africa also has the most arable land, the lowest crop yields, and by far the ...
    • Biofilm dynamics : linking in situ biofilm biomass and metabolic activity measurements in real-time under continuous flow conditions 

      Klopper, Kyle Brent; De Witt, Riaan N.; Bester, Elanna; Dicks, Leon M. T.; Wolfaardt, Gideon M. (Nature Research, 2020)
      The tools used to study biofilms generally involve either destructive, end-point analyses or periodic measurements. The advent of the internet of things (IoT) era allows circumvention of these limitations. Here we introduce ...
    • Biological indicators of copper-induced stress in soil 

      Du Plessis, Keith R. (Keith Roland) (Stellenbosch : Stellenbosch University, 2002-03)
      ENGLISH ABSTRACT: The concentrations of copper (Cu) in vineyard soils of the Western Cape range from 0.1 to 20 ppm. However, more than 160 tons of the fungicide copper oxychloride are annually being sprayed on these ...
    • The biological sulphate removal process 

      Greben, Harma (Stellenbosch : Stellenbosch University, 2001-12)
      ENGLISH ABSTRACT: South Africa is one of the world's major coal producers, resulting in the second highest foreign exchange earner for South Africa. However, the mining industry contributes negatively to (ground) water ...
    • Biologically based methods for control of fumonisin-producing fusarium species and reduction of the fumonisins 

      Alberts, Johanna F.; Van Zyl, Willem H.; Gelderblom, Wentzel C. A. (Frontiers Media, 2016)
      Infection by the fumonisin-producing Fusarium spp. and subsequent fumonisin contamination of maize adversely affect international trade and economy with deleterious effects on human and animal health. In developed countries ...
    • The biology, diversity and evolution of the broad host-range, promiscuous INCQ plasmids, with an emphasis on the INCQ2 sub-family 

      Rawlings, Douglas Eric (Stellenbosch : Stellenbosch University, 2014-12)
      ENGLISH ABSTRACT: Plasmids belonging to the IncQ family have an exceptionally broad host-range and are highly mobilizable in the presence of the self-transmissible IncP plasmids. All IncQ plasmids identified to date have ...
    • Bioprocessing of grape pomace 

      Issel, Lundi Joy (Stellenbosch : Stellenbosch University, 1999-12)
      ENGLISH SUMMARY: Grape pomace is the primary by-product that is generated during grape juice processing and wine production. It consists of fibrous materials that include the processed skins, stems and seeds. Beneficial ...
    • Bioprospecting for beta-glucosidases and beta-xylosidases from non-Saccharomyces yeast 

      Omardien, Soraya (Stellenbosch : Stellenbosch University, 2013-03)
      ENGLISH ABSTRACT: The argument of whether to use food for biofuel (bioethanol) production prompted the search for an alternative non-food biomass, such as lignocellulose, as feedstock for bioethanol production. However, ...
    • Bioprospecting for novel biosurfactants and biosurfactant producing bacteria in wastewater 

      Ndlovu, Thando (Stellenbosch : Stellenbosch University, 2017-03)
      ENGLISH ABSTRACT: Biosurfactants are surface active amphiphilic compounds, synthesised by numerous bacteria, fungi and yeast. They are known to exhibit broad spectrum antimicrobial activity and are currently applied as ...
    • A broad host range reporter plasmid for the analysis of divergent promoter regions 

      Jiwaji, Meesbah; Matcher, Gwynneth Felicity; Dorrington, Rosemary Ann (Academy of Science of South Africa, 2008)
      Although many vectors exist for Escherichia coli and closely related species, there are few broad host range vectors that can be conjugated into a large variety of Gram-negative bacteria. We have constructed a broad host ...
    • Carnitine in yeast and filamentous fungi 

      Swiegers, Jan Hendrik (Stellenbosch : Stellenbosch University, 2003-12)
      ENGLISH ABSTRACT: In the yeast Saccharomyces cerevtstee, two biochemical pathways ensure that activated cytoplasmic or peroxisomal acetyl-groups are made available for mitochondrial energy production when the cells ...
    • Characterisation and antimicrobial activity of biosurfactant extracts produced by Bacillus amyloliquefaciens and Pseudomonas aeruginosa isolated from a wastewater treatment plant 

      Ndlovu, Thando; Rautenbach, Marina; Vosloo, Johann Arnold; Khan, Sehaam; Khan, Wesaal (SpringerOpen, 2017)
      Biosurfactants are unique secondary metabolites, synthesised non-ribosomally by certain bacteria, fungi and yeast, with their most promising applications as antimicrobial agents and surfactants in the medical and food ...
    • Characterisation of biogenic amine genes in lactic acid bacteria isolated from wine 

      Downing, Lynn,1978- (Stellenbosch : Stellenbosch University, 2003-12)
      ENGLISH ABSTRACT: The winemaking process involves a complex microbial flora where the interaction of yeasts, lactic acid bacteria and acetic acid bacteria play an important role in the quality and wholesomeness of the ...