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Theses and Dissertations (Microbiology and Plant Pathology): Recent submissions
Now showing items 1-20 of 370
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(University of Pretoria, 2022)Previously, studies on Berchemia discolor trees focused on their pharmacological and nutritional properties. Despite the ecological, economical and pharmaceutical importance, little is known regarding the diseases affecting ...
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(University of Pretoria, 2014)Coffee trees belong to the botanical genus Coffea (family Rubiaceae). Arabica coffee (Coffea arabica) originated in Ethiopia and was first cultivated in Yemen in the 15th century. Arabica coffee was introduced to the Asian ...
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(University of Pretoria, 2015-01)Seed-borne mycoflora associated with eight herb seed species, viz. basil (Ocimum basilicum L.), chives (Allium schoenoprasum L.), coriander (Coriandrum sativum L.), dill (Anethum graveolens L.), parsley [Petroselium crispum ...
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(University of Pretoria, 2013-11)Foot-and-mouth disease (FMD) is a highly contagious disease of cloven-hoofed animals. An outbreak of FMD not only severely decreases livestock productivity, but also impacts on both the local and export trade of susceptible ...
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(University of Pretoria, 2014-06-30)Fungi are capable of both sexual and asexual reproduction. Sexual reproduction involves karyogamy followed by meiosis (Burnett 1968; Alexopoulos, Mims, Blackwell 1996), while asexual reproduction involves neither meiosis ...
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(University of Pretoria, 1997)Rabies viruses are known to be able to infect a broad range of warm-blooded animals. In South Africa the disease is maintained in different animal species including dogs, jackals, bateared foxes and a variety of members ...
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(University of Pretoria, 2021)Rabies is a viral disease caused by the rabies lyssavirus (RABV). Despite effective rabies vaccines for humans and animals, this disease continues to pose a major public health challenge, causing an estimated 59 000 human ...
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(University of Pretoria, 2021)Symbiosis is the term used to describe the different forms of communal life that can exist between two unlike organisms. Primarily this involves interaction in one of three forms: mutualism where both partners benefit from ...
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(University of Pretoria, 2013-09)In past years, the potential of bats as reservoir for paramyxoviruses was clearly underestimated. Research of the 21st century now provides evidence that bats play an important role as reservoir and host to these viruses. ...
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(University of Pretoria, 2013-09-27)In the fight against endemic infectious diseases – which disproportionately affect the developing world – the effective use of scarce resources is of paramount importance. For vaccine preventable diseases, vaccination ...
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(University of Pretoria, 2013-07)The genus Lyssavirus, currently consisting of 12 confirmed and two putative species, all of which are capable of producing the lethal encephalitic disease known as rabies. Due to the long history and common knowledge of ...
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(University of Pretoria, 2013)Escherichia coli is a well known commensal inhabitant of the gastrointestinal tract of both humans and animals and a highly diverse species. The physiology, biochemistry and genetics of E. coli have been studied extensively ...
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(University of Pretoria, 2014-04)The Coelomycetous genus, Phoma, is defined as filamentous fungi that produce pycnidial conidiomata with monophialidic, doliiform to flask-shaped conidiogenous cells. Host specificity was regarded as an important ...
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(University of Pretoria, 2013)Enterotoxemia, an economically important disease of sheep, goats and calves, is caused by systemic effects of the epsilon toxin produced by the anaerobic bacterium Clostridium perfringens Type D. To combat the disease, a ...
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(University of Pretoria, 2015)Lagos bat virus (LBV) is a phylogroup II lyssavirus exclusively found in Africa. Previous studies have shown that this virus is lethal to mice after intracranial (i.c.) and intramuscular (i.m.) inoculation. Pathogenicity ...
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(University of Pretoria, 2014)Common scab is a disease that results in corky lesions on the surface of potatoes. These lesions can be variable in size, shape and as a result of secondary infection may appear extremely cryptic. The disease is caused by ...
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(University of Pretoria, 2013)The success of the forestry industry in the world and particularly the Southern hemisphere can be attributed to the choice of fast and easy-growing exotic pine and eucalypt tree species, which have been planted separated ...
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(University of Pretoria, 2014)The delineation of bacterial species and genera has always been problematic as a clear definition of these concepts are lacking. In an attempt to classify bacteria into workable groups, operational criteria have been applied ...
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(University of Pretoria, 2013)The etiological agent of rabies, rabies virus, is a member of the fatal Lyssavirus genus that accounts for the death of more than 55 000 humans per annum, with the number of infected animals far exceeding that number. The ...
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(University of Pretoria, 2015)Pantoea ananatis causes disease symptoms in a wide range of economically important plants such as Eucalyptus, maize and onions. This study specifically focussed on the interactions of P. ananatis LMG20103 with onion seedlings ...
Now showing items 1-20 of 370