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    Browsing Doctoral Degrees (Microbiology) by Title 
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    • Browsing Doctoral Degrees (Microbiology) by Title
    •   SUNScholar
    • Faculty of Science
    • Department of Microbiology
    • Doctoral Degrees (Microbiology)
    • Browsing Doctoral Degrees (Microbiology) by Title
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    Browsing Doctoral Degrees (Microbiology) by Title

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    Now showing items 1-20 of 68

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        Antibiotic resistance in surface waters and biofilm-response to environmental contaminants 

        Tucker, Keira (Stellenbosch : Stellenbosch University, 2021-12)
        ENGLISH ABSTRACT: Ensuring water security for the future has become important due to rapid urbanisation and diminishing freshwater resources. South Africa’s water resources are scarce and as a result, reclamation of ...
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        Assessing the occurrence and mechanisms of horizontal gene transfer during wine making 

        Barnard, Desire (2009-12)
        ENGLISH ABSTRACT: Saccharomyces cerevisiae is the most commonly used organism in many fermentation-based industries including baking and the production of single cell proteins, biofuel and alcoholic beverages. In the ...
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        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 ...
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        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 ...
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        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 ...
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        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 ...
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        Characterisation of L-malic acid metabolism in strains of Saccharomyces and the development of a commercial wine yeast strain with an efficient malo-ethanolic pathway 

        Volschenk, Heinrich (Stellenbosch : Stellenbosch University, 2002-12)
        ENGLISH ABSTRACT: L-Malic and tartaric acid are the most prominent organic acids in wine and playa crucial role in winemaking processes and wine quality, including the organoleptic quality and the physical, biochemical ...
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        Characterisation of the malate transporter and malic enzyme from Candida utilis 

        Saayman, Maryna (Stellenbosch : University of Stellenbosch, 2011-10)
        ENGLISH ABSTRACT: Yeast species differ remarkably in their ability to degrade extracellular dicarboxylic acids and to utilise them as their only source of carbon. The fission yeast Schizosaccharomyces pombe effectively ...
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        Characterisation, cloning and heterologous expression of the α-glucuronidase from Aureobasidium pullulans 

        De Wet, Barend Johannes Marthinus (Stellenbosch : Stellenbosch University, 2004-03)
        ENGLISH ABSTRACT: Xylanolytic accessory enzymes produced by the endo-p-l,4-xylanase overproducing, colour-variant strain of the euascomycetous fungus Aureobasidium pullulans, NRRL Y-2311-1, were studied. a- Glucuronidase ...
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        Characterization and evaluation of indigenous Saccharomyces cerevisiae strains isolated from South African vineyards 

        Van der Westhuizen, Theunes Johannes (Stellenbosch : Stellenbosch University, 1999-12)
        ENGLISH SUMMARY: The bioconversion of grape juice into wine by simply allowing the yeasts, associated with grape berries and winery equipment, to ferment the sugars to ethanol, carbon dioxide and other minor, but important ...
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        Characterization of bacteriocin 423 produced by Lactobacillus pentosus 

        Van Reenen, Carol A. (Carol Ann) (Stellenbosch : Stellenbosch University, 2000-12)
        ENGLISH ABSTRACT: Worldwide, bacteriocins, particularly those produced by food-related lactic acid bacteria, are receiving attention due to the possible use of these peptides as natural preservatives in food, replacing ...
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        Characterization of nisin F and its role in the control of respiratory tract and skin infections 

        De Kwaadsteniet, Michele (Stellenbosch : University of Stellenbosch, 2009-03)
        Multidrug resistant strains of Staphylococcus aureus is presenting an increasing threat, especially immune compromised individuals. Many of these strains have developed resistance to newly approved drugs such as ...
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        Characterization of the adhesion genes of probiotic lactic acid bacteria 

        Ramiah, Kamini (Stellenbosch : Stellenbosch University, 2008-03)
        One of the key selection criteria for potential probiotics is the ability to adhere and colonise the host gastrointestinal tract (GIT). Probiotics compete for receptor sites at the host intestinal surface, preventing ...
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        Community-level analysis of the microbiology in constructed wetlands treating distillery effluent 

        Du Plessis, Keith R. (Keith Roland) (Stellenbosch : University of Stellenbosch, 2006-04)
        ENGLISH ABSTRACT: Constructed wetlands have been widely used in the treatment of industrial and domestic wastewater to reduce biological and chemical oxygen demand (BOD and COD), to remove nitrate and enteric viruses as ...
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        Comparative proteomic and genomic analysis of Flavobacterium johnsoniae-like biofilm, planktonic and agar surface-associated cells 

        Flemming, Leonard (Stellenbosch : University of Stellenbosch, 2010-03)
        ENGLISH ABSTRACT: Pathogenic Flavobacterium spp. cause serious disease outbreaks in a variety of farmed fish, which lead to large economic losses in the aquaculture industry on an annual basis. The ability of Flavobacterium ...
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        Development of an antimicrobial wound dressing by co-electrospinning bacteriocins of lactic acid bacteria into polymeric nanofibers 

        Heunis, Tiaan de Jager (Stellenbosch : Stellenbosch University, 2012-12)
        ENGLISH ABSTRACT: Skin is the largest organ in the human body and serves as a barrier that protects the underlying tissue of the host from infection. Injury, however, destroys this protective barrier and provides a perfect ...
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        Development of improved α-amylases 

        Ramachandran, Nivetha (Stellenbosch : University of Stellenbosch, 2005-03)
        The technological advancement of modern human civilisation has, until recently, depended on extensive exploitation of fossil fuels, such as oil, coal and gas, as sources of energy. Over the last few decades, greater ...
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        The effect of different soil yeasts on the growth and physiology of lupin and wheat 

        Moller, Leandra (Stellenbosch : Stellenbosch University, 2018-03)
        ENGLISH ABSTRACT: Leguminous plants are often used in break-crop and crop rotation systems to fix atmospheric di-nitrogen (N2), thereby reducing the need for nitrogen (N) fertiliser input during cereal production. In ...
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        The effects of native Saccharomyces cerevisiae snare gene over expression on Heterologous cellulase secretion 

        Van Zyl, J. H. D. (Stellenbosch : Stellenbosch University, 2015-12)
        ENGLISH ABSTRACT: The budding yeast Saccharomyces cerevisiae has been successfully utilized in several industrial sectors and has over the last decade emerged as a promising host for the production of valuable heterologous ...
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        Engineering a fungal β-fructofuranosidase 

        Trollope, Kim Mary (Stellenbosch : Stellenbosch University, 2015-04)
        ENGLISH ABSTRACT: β-fructofuranosidases are hydrolytic enzymes that act on sucrose to yield the products glucose and fructose. Under high substrate conditions these enzymes display fructosyltransferase activity which results ...

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