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Theses and Dissertations (Biochemistry, Genetics and Microbiology (BGM))
Recent Submissions
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(University of Pretoria, 2020-02)South African forests have become fragmented due to both historical events and current human activities. Fragmentation may have increased population differentiation by reducing the gene flow between plants isolated in ...
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(University of Pretoria, 2019-12)The global avocado industry has experienced significant growth throughout the past two decades, with annual production doubling over that time. However, increased production is accompanied by an ever-increasing threat from ...
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(University of Pretoria, 2020-01)When a trait enhances fitness and arose as a result of natural selection, it is termed an adaptation. The optimization strategy employs selection thinking which makes the explicit assumption that the globally best trait ...
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(University of Pretoria, 2020-01)Trees play a pivotal role in the global carbon cycle through the fixation and storage of carbon as polysaccharide and phenolic biopolymers in the secondary cell walls of xylem fibre cells (wood). Driven by the need to ...
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(University of Pretoria, 2020-01)In the mid-2000s an outbreak of bacterial blight and dieback caused by Xanthomonas vasicola pv. vasculorum was observed on a single Eucalyptus grandis clone in KwaZulu-Natal. It was suggested that this outbreak was as a ...
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(University of Pretoria, 2019)Addressing the concerns of microbial diseases affecting natural forests, particularly those caused by wood-rotting Basidiomycetes, is of paramount importance for the protection of these woody ecosystems. This is of particular ...
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(University of Pretoria, 2019-11)Pectobacterium spp. together with Dickeya spp. belong to a group of soft rot disease causing pathogens known as the soft rot Enterobacteriaceae (SRE). Pectobacterium carotovorum subsp. brasiliense is an aggressive pathogen ...
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(University of Pretoria, 2019-11)Bambara groundnut (Vigna subterranea L.) is an underutilised and under-researched legume crop which is an important source of protein and other nutrients, mainly in countries in sub-Saharan Africa. It is consumed in a wide ...
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Genome assembly, annotation and comparative analysis of the maize fungal pathogen Cercospora zeina (University of Pretoria, 2019-06)The fungal pathogen Cercospora zeina causes Grey leaf spot (GLS), a devastating yield-limiting foliar disease of maize. GLS negatively impacts food security, especially in sub-Saharan Africa where maize is a staple food ...
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(University of Pretoria, 2019-12)Xylogenesis is a complex biological process involving thousands of genes that leads to the formation of woody biomass, which is one of the largest sources of renewable raw materials for many industrial applications, such ...
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(University of Pretoria, 2019-04)Chrysoporthe is a genus consisting of species that are pathogens to various plant hosts, including industrial Eucalyptus species. The pathogenicity of each species varies to different hosts and amongst themselves. The ...
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(University of Pretoria, 2019)Antimicrobial resistance is one of the biggest risks to global health, with an increasing number of infections becoming harder to treat. These include fungal infections, especially Candida albicans biofilms. Fungal biofilms ...
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(University of Pretoria, 2019-08)The suni (Nesotragus moschatus) is a very small and secretive animal distributed in the eastern parts of Africa, from Kenya south to St. Lucia in South Africa. This antelope can also be found on small islands off the ...
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(University of Pretoria, 2019-11)Tuberculosis (TB) is a curable infectious disease, but remains a persistent scourge of mankind. It is caused by Mycobacterium tuberculosis (M. tb) that is a master of survival in the human host, where it can lie dormant ...
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(University of Pretoria, 2019)The polyphagous shot hole borer (PSHB) or Euwallacea fornicatus is an ambrosia beetle, originally from South-East Asia, that can cause extensive damage, to a large variety of trees, by acting as a vector to inoculate its ...
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(University of Pretoria, 2020-01)Ticks are considered economically significant parasitic vectors in the livestock industry globally. Vector directed vaccines are a promising method of tick control. To date only one protective antigen, Bm86, has been ...
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(University of Pretoria, 2020-03)The global demand for poultry products is continuously growing, therefore the poultry industry requires fast growth and high stocking densities to enhance production efficiency. These conditions impact negatively on ...
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The evolution of drug resistance in the different lineages of the Mycobacterium tuberculosis complex (University of Pretoria, 2024-01-22)The eradication of drug resistance (DR) in Mycobacterium tuberculosis (Mtb) has been proven to be challenging. Several DR mechanisms that are not fully understood have been suggested to play significant roles in the ...
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(University of Pretoria, 2024-03-06)Orchids are known for their exceptional floral morphologies, as well as their symbiotic relationships with specialized fungi known as orchid mycorrhizae. Existing literature indicates a significant gap in our understanding ...
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(University of Pretoria, 2024-02-28)Fusarium circinatum, the causal agent of pine pitch canker disease, poses a significant threat to the health of Pinus species worldwide. Infection by this pathogen results in resinous canker formation in adult pine trees, ...