Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Venter, S.N. (Stephanus Nicolaas)"
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Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Venter, S.N. (Stephanus Nicolaas)"
Now showing items 1-20 of 34
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(University of Pretoria, 2013)The paradigm shift in water quality management of South African water resources was based on current international trends. This significant move was from a previous emphasis on source management to a focus on finding a ...
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(University of Pretoria, 2012-11-12)Plants are colonised by a vast amount of bacteria which are found in parts such as seeds, roots, leaves and fruits while fewer are found on blossoms, stems and vascular tissue. These different parts of plants make up ...
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(University of Pretoria, 2012)Bacteria filled leaf nodules can be found on some plant species within the genus Pavetta. The identity of the bacterial endophytes within leaf nodules has been described for certain leaf nodulated plant species such ...
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(University of Pretoria, 2008-04-18)Please read the abstract in the section 00front of this document
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(University of Pretoria, 2012-08-14)Until recently, most of the legumes that have been studied in South Africa were known to be nodulated by diverse alpha-rhizobia in the class Alphaproteobacteria. Our knowledge regarding the occurrence of so-called ...
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(University of Pretoria, 2014)Pantoea ananatis is an important plant pathogen that causes disease symptoms in different plants worldwide. However, most of the virulence determinants of this pathogen have not been identified and functionally characterized. ...
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(University of Pretoria, 2012-12-14)Bukholderia species are commonly isolated from the root nodules of Mimosoid legumes of the subfamily Mimosoideae. In contrast, few studies have reported the association between Burkholderia species and legumes of other ...
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(University of Pretoria, 2014)Escherichia coli (E. coli) is an indicator of faecal contamination as it is assumed that faecal contamination is the main source of these bacteria in the environment. Recent studies have, however, shown that E. coli can ...
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(University of Pretoria, 2007-02-01)A total of 94 Salmonella isolates were collected from three catchments areas in Eritrea. These isolates were recovered from clinical and environmental sources. Biochemical tests using gelatin hydrolysis and tartrate ...
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(University of Pretoria, 2001)Please read the abstract in the section, 00front, of this document
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(University of Pretoria, 2005-11-14)Please read the abstract on p 79-80 of this document
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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, 2022-07)This study provides clarity on the evolutionary history and distribution of the Genisteae tribe as well as the associated rhizobia, with a focus on the southern African Genisteae. The diversity and evolutionary histories ...
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(University of Pretoria, 2009-08-12)Center rot of onion, caused by Pantoea ananatis, was first described in the USA, in 1997. P. ananatis is seed-borne in onions and it was suggested that it was introduced into the USA on infected seed lots from South Africa. ...
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(University of Pretoria, 2006-12-08)Cholera made an unforeseen appearance on the eastern coast of South Africa in the province of KwaZulu-Natal (KZN) in August 2000. Having started from the more urban centres of the coastal region of the province, cholera ...
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Epiphytic and endophytic members of the Enterobacteriaceae associated with healthy Eucalyptus trees (University of Pretoria, 2009-08-13)Studies presented in this thesis, highlights the importance of determining whether members of the Enterobacteriaceae can be associated with plants as epi- and endophytes. In particular, whether the causal agent of blight ...
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(University of Pretoria, 2005)The propensity of Salmonella to persist in water environments under unfavourable conditions is of concern as these water environments serve as contamination reservoirs. The role of contaminated water in the transmission ...
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(University of Pretoria, 2012-10-15)Next generation of sequencing (NGS) technologies have taken life science research into a new era. With the rapid advances in these technologies and the associated reduction in overall costs, the sequencing and assembly of ...
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(University of Pretoria, 2010)Pantoea ananatis is a ubiquitous organism found in almost every environment on earth. It has been implicated in diseases of a wide range of agronomic crops worldwide, including onion, maize, rice and pineapple, as well ...
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(University of Pretoria, 2022)The Damaraland mole-rat is a eusocial, subterranean African bathyergid that exhibits both an extreme reproductive skew and a reproductive division of labour, whereby the breeding female has the highest survivorship. ...
Now showing items 1-20 of 34