Browsing Theses and Dissertations (Biochemistry, Genetics and Microbiology (BGM)) by Type "Dissertation"
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- Browsing Theses and Dissertations (Biochemistry, Genetics and Microbiology (BGM)) by Type
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Browsing Theses and Dissertations (Biochemistry, Genetics and Microbiology (BGM)) by Type "Dissertation"
Now showing items 1-20 of 111
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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, 2024-02-15)Alternative splicing (AS) is a complex and dynamic process that results in the production of multiple mRNA isoforms from a single gene. Through the production of multiple mRNA isoforms from a single gene, AS increases ...
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(University of Pretoria, 2023)This document consists of literature review and two chapters that characterizes the mating systems of two species of Chrysoporthe from Zambia.
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(University of Pretoria, 2022)Background: Over the past four decades, the Human immunodeficiency virus (HIV) has been a great problem for public health globally. The immunosuppressive ability of HIV is associated with life-threatening opportunistic ...
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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, 2021)Pseudomonas aeruginosa is a Gram-negative opportunistic bacterium that causes severe infections such as cystic fibrosis (CF), skin infections, and urinary tract infections (UTI), especially in immunocompromised patients. ...
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Antibacterial activity of synthetic peptide W5(Os-C) against Staphylococcus epidermidis ATCC 35984 (University of Pretoria, 2024-02-15)Antimicriobial resistant Staphylococcus epidermidis infections are rapidly increasing. A promising research avenue is the use of antimicrobial peptides (AMPs). From AMP OsDef2, C-terminal fragments Os and Os-C were generated, ...
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(University of Pretoria, 2023-11-20)Over the past 2.58 million years, recurring glaciation cycles have influenced the distribution and demography of forest in South Africa. These cycles may have led to fluctuations in forest population number and size due ...
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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, 2021)The Eucalyptus snout beetle is an oligophagous invasive insect pest of Eucalyptus species. The beetle is attracted to emerging leaves containing high concentrations of essential oils consisting of a complex mixture of mono ...
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Biofilms and extracellular vesicles of Fusarium verticillioides and their implications for virulence (University of Pretoria, 2022)Extracellular vesicles (EVs) have substantial functional consequences in fungi because they internalize bioactive molecules (e.g., proteins, nucleic acids, and secondary metabolites) from their source cells. Internalized ...
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(University of Pretoria, 2023)Secreted proteins offer the potential to reduce purification cost to enzyme and therapeutic proteins. While many bacterial transport signal sequences have been tested, few have been used across species. This study explores ...
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(University of Pretoria, 2022)Nematodes often associate with insects. Usually, it is the nematode that benefits from this interaction as the insect serves either as vector – for many plant- and vertebrate-parasitic nematodes (VPN) – or as the target ...
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(University of Pretoria, 2023)The aim of this dissertation was to generate information regarding the species of fungi involved in husk rot disease of macadamia fruits namely their identity, prevalence, pathogenicity, and growth response to temperature. ...
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(University of Pretoria, 2023)Elsinoë necatrix, the causal agent of a severe leaf and shoot disease of Eucalypts, is considered an emerging fungal pathogen. It was first discovered in 2014 in North Sumatra, Indonesia, affecting a large number of ...
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(University of Pretoria, 2023)Hybridization stands out as a pivotal driver of evolution and genome adaptation, making it an important concept to study. Understanding the likelihood of hybridization in plant pathogens holds critical significance, as it ...
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(University of Pretoria, 2023)Rhizobia are Gram negative bacteria that facilitate biological nitrogen fixation in association with plant hosts. These organisms have two main lifestyles, they can be either endophytic (associated with plants) or free ...
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(University of Pretoria, 2019)Whole genome sequencing is an increasingly favoured tool used to study plant pathogens. This has allowed for a dramatic decrease in the time and money required to identify and study various biological characteristics of ...
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(University of Pretoria, 2022)Despite efforts to reduce the global spread and severity of malaria infection, resistance towards current frontline antimalarials has halted malaria elimination progress. Thus, malaria parasite biology should be continually ...
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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 ...
Now showing items 1-20 of 111