Preface by the Dean
Developments during the year 2001 resulted in the establishment
of the African Centre for Gene Technologies (ACGT) within the Faculty.
The ACGT is a virtual centre that will draw together all of the
research initiatives in this field within the UP/CSIR Biotechnology
Task Group. The Centre will also serve as the core of the Biotechnology
Platform that is being established as part of the SERA Alliance.
The following major items of research equipment were acquired by
the Faculty in order to enhance the research capacity of a number
of research groups:
· a gas chromatograph-mass spectrometer (GC-MS) that has
been installed in the Analytical Chemistry Group;
· a high-pressure liquid chromatograph (HPLC) in the Biochemistry
Department;
· a DNA microarray system consisting of a GEN III Array spotter
and GenePic 4000B Scanner as part of ACGT;
· a resonant mirror biosensor and multi-well fluorimeter
in the Biochemistry Department;
· a high throughput DNA sequencer which replaces one of the
obsolete automated sequencers in the Genetics Department.
The recruitment of additional postgraduate students is required
in order to maintain a vibrant research environment. To this end,
a number of new research programmes were established and funding
for them was secured through the MacArthur and Rockefeller Foundations,
which have supported the initiation of a regional Masters programme
in environmental economics. In addition, the Faculty has developed
relationships with the Southern African Wildlife College, Citrus
Research International, the Life Insurers and Marketing Research
Association (LIMRA) and the Agri-Business Chamber, all of which
contribute opportunities for student training and research projects.
Recognition from the University for the research achievements of
our staff was reflected in the award of both of the Chancellor's
Awards for Teaching and for Research to members of the Faculty.
In addition, there was an outstanding young researcher award and
a group of our best academics were named as outstanding academic
achievers.
The individual research highlights of the different Schools in
the Faculty of Natural and Agricultural Sciences are recorded below:
School of Agricultural and Food Sciences
(Chairperson: Prof. Johan Kirsten)
In January 2001, a research grant of $90 000 was received from
the Rockefeller Foundation for a study of the impact of the adoption
of GMO crops (maize and cotton) on the economy and livelihoods in
South Africa.
Improving the delivery of extension services in South Africa has
been a strong focus of research. Problems experienced in this regard
in the North West Province were addressed and towards the end of
2001 Prof. Gustav Düvel received a major contract from the
National Department of Agriculture to manage the improvement of
extension services.
In a new project developed in collaboration with the CSIRO of Australia,
the use and acceptability of a newly patented Wetting Front Detector
is being investigated.
The School of Agricultural and Food Sciences also identified and
established an interdisciplinary research focus in Consumer Sciences,
which is supported by a variety of clothing and food industries
as well as those industries devoted to the development and creation
of lifestyle products for the broad South African community. This
led to a significant increase in postgraduate students - from a
total of 8 masters and doctoral students at the end of 1999 to 29
in 2001.
School of Biological Sciences
(Chairperson: Prof. Eugene Cloete)
A major research thrust that will unite the School of Biological
Sciences and the School of Agricultural and Food Sciences deals
with the prediction of climate change over the next fifty years.
The changes will significantly affect the distribution of South
African animal species and will not only compromise existing conservation
efforts and the efficacy of our protected areas, but are also likely
to increase conflict resulting from land usage as agricultural activity
and conservation needs converge in shrinking grasslands.
The pursuit of sustainable development requires the meaningful
integration of environmental, social and economic objectives. Researchers
in the School have developed an integrated model that captures the
most important developmental features of South Africa over the past
40 years. This tool allows for the systematic exploration of future
developmental scenarios, provides likely outcomes and can be used
to explore potential future interventions prior to costly implementation.
A computer-generated three-dimensional model was created of one
of the malaria parasite enzymes being targeted for drug development
studies. The model was verified by biochemical studies, and species-specific
differences between the malaria and human enzyme could be identified
for development of parasite-specific drugs. Significant progress
was made in the use of lipid cell wall antigens from the tuberculosis
organism and in the identification of the effects these have on
host immune cells. Support for the TB project via a Flemish-South
African bilateral agreement was renewed in 2001. One PhD and one
MSc student from the University participated in this project. Several
full-length gene sequences coding for tick salivary gland proteins
were obtained. These proteins are involved in tick feeding. These
sequences will be used to develop anti-tick feeding vaccines, as
well as to develop novel vascular disease therapeutics.
Dr Namrita Lall of the Department of Botany has been awarded a
UNESCO-L'OREAL fellowship for her research on tuberculosis. This
fellowship is awarded to only ten women in the world. Based on her
work, the Department filed an application for an international patent
on the antituberculosis activity of natural products isolated from
Euclea natalensis.
A small virus-specified non-structural protein of the African horse
sickness virus was identified that is cytotoxic and causes membrane
disruption by integrating into the cellular membrane. The interesting
finding that this toxicity characteristic was lost when the membrane-spanning
domains of the protein were genetically modified was published in
a leading Virology journal.
School of Physical Sciences
(Chairperson: Prof. Johan Malherbe)
Research is given a high priority in the School of Physical Sciences.
This is reflected in the research output of the School, which has
been increasing continuously over the past few years, both in quantity
and (more importantly) in quality. A study of the highlights and
outputs of the different departments in the School brings to light
the exceptionally high quality of the research that is being conducted,
for example, superconductivity and cold cathode research in physics,
and elemental synthesis research in chemistry.
The increase in research output has been aided by the acquisition
of new (and expensive) instruments funded by the University. This
renewal process will be continued in order to maintain the competitiveness
of the School.
School of Mathematical Sciences
(Chairperson: Prof. Anton Ströh)
The School of Mathematical Sciences has been involved in a number
of contract research projects with industry, and important linkages
exist with institutions like Gensec, Sanlam, HSBC-bank in England,
African Life and Standard Bank.
Financial support that was received for research projects include:
· funding from the NRF for several research projects;
· THRIP funding for the UP-Gensec project in Financial Mathematics;
· the Mellon Foundation postgraduate mentoring awards;
· funding from the First Rand Foundation for the establishment
of a Chair in Insurance and Actuarial Sciences.
The research achievements of Prof. Elemer Rosinger was recognised
by the Chancellor's Award for Excellent Research. Of the 21 Year
2000 Gold Medal Awards of the South African Mathematical Society,
sponsored by Rand Merchant Bank, and awarded for 2001 to top achievers
in mathematics in South Africa, three were made to mathematicians
of the University, namely Prof. Elemer Rosinger, Prof. Anton Ströh,
and Prof. Johan Swart.
Statistical research was carried out on behalf of a number of organisations,
including SANLAM, HSBC-bank in England, African Life, Standard Bank,
SAGE, and Botswana Life. The research was undertaken in conjunction
with the Life Insurers and Marketing Research Association (LIMRA)
and in collaboration with SANLAM, while research activities were
managed by Business Enterprises at the University of Pretoria (BE@UP).
Other major research activities in the School included market analysis,
the development of random number systems for the cell phone industry
and the development of an instrument for quality assurance in the
insurance industry.
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