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28 April 2023 | Story Leonie Bolleurs | Photo Supplied
Schae-Lee Olckers’
UFS PhD student and food scientist Schae-Lee Olckers’ research could contribute to a stable supply of good quality wheat and bread, even in the face of climate change.

Follow your passion in order to find your purpose. This is the mantra of food scientist and University of the Free State (UFS) PhD student Schae-Lee Olckers, whose research is set to improve wheat quality by identifying which types of wheat are better able to tolerate stress, and which proteins are most important for producing high-quality bread. 
 
“By grasping this, it is possible to ensure that we continue to have a stable supply of good quality wheat and bread, even in the face of climate change,” says Olckers, who believes wheat is one of the most important food grains in the human diet, and one of the most important staple cereal crops in the world.

Her PhD study, ‘The influence of abiotic stress on gluten protein and baking quality in bread wheat’, under the supervision of Dr Angie van Biljon and Prof Maryke Labuschagne in the Department of Plant Sciences, and Prof Garry Osthoff in the Department of Microbiology and Biochemistry, is investigating how different levels of heat and drought stress – mostly due to climate change – affect the gluten protein composition of high-yield bread wheat.

Olckers is a food scientist at StartWell Foods (Pty) Ltd, a non-profit organisation that produces high-quality extrusion products for feeding schemes around the country. The products help to eliminate stunted growth among children.

Improving wheat breeding programmes
This research could help us find ways to adapt to climate change and continue to produce high-quality wheat and bread for people around the world. – Schae-Lee Olckers

Her research focuses on examining different types of wheat and investigating how proteins are affected by stressors like heat and drought, to understand how these stressors impact the quality of bread. She uses new proteomic methods to look at the different proteins in the wheat flour, to gain a better appreciation of how gluten proteins react to stress.

In this study Olckers is able to see how the proteins change in the various wheat cultivars, helping us to understand how the different types of wheat perform in baking, and how the proteins affect the final product.

She collaborates with the International Maize and Wheat Improvement Center (CIMMYT) in Mexico, that releases new wheat cultivars for developing countries. Their aim is to develop wheat cultivars that maintain their quality in different environments.  To investigate the performance and characteristics of the seeds, both in the field and in the laboratory, CIMMYT did the field trials, quality assessment, and supplied the seeds for high-performance liquid chromatography (HPLC) and proteomics analysis. 

Finding ways to adapt to climate change

She believes that understanding how these stressors impact the production of bread-baking quality in wheat will help scientists gain important insights into how climate change affects our food supply. 

“Taking into consideration the current and projected intensifying heat and water deficit stresses, it is crucial to improve the understanding of these phenomena in order to implement new breeding strategies for sustainable wheat quality. This research could help us find ways to adapt to climate change and continue to produce high-quality wheat and bread for people around the world,” Olckers says. 

News Archive

NRF commits R30-million for research at the UFS
2007-02-20

The National Research Foundation (NRF) has committed approximately R30-million for various research projects at the University of the Free State (UFS).
 
According to Prof Frans Swanepoel, Director of Research Development at the UFS, the NRF has also approved all eight research niche areas that were submitted to the NRF, the highest number approved at any university in the country.
 
Prof Swanepoel said the 24 research projects for which funding had been obtained from the NRF ranged from traditional healing and HIV/Aids/tuberculosis management, practices of the paediatric anti-retroviral programme at the UFS to nano-materials synthesis and characterisation.
 
He said the eight research niche areas were part of an initiative at the UFS to establish strategic clusters of academic and research excellence.
 
“There will be six strategic academic clusters at the UFS and the eight NRF-approved research niche areas will form part of them,” Prof Swanepoel said.
 
The six strategic clusters are:
1.         Water management in water-scarce areas
2.         New frontiers in poverty reduction and sustainable development
3.         Social transformation in diverse societies
4.         Ecologically sound value chains for agricultural commodities
5.         Materials and nano sciences
6.         Advanced bio-molecular research
 
Prof Swanepoel said that the UFS had also submitted five proposals in terms of an NRF initiative to establish research chairs at South African universities.
 
“Linked to our intention to establish six strategic academic clusters, five proposals for the South African Research Chair Initiative (SARCHi) were submitted. All five pre-proposals were accepted in the first round of screening, and successful candidates have been invited to submit full proposals by the end of February,” he said.
 
The proposed research chairs are:
 
Petro- and organometallic chemistry
Biocatalytic and biomimetic oxidation-reduction systems
Nano-solid state lighting
People’s health and well-being
Water management
 
Speaking at the official opening of the university earlier this month, the Rector and Vice-Chancellor of the UFS, Prof Frederick Fourie, said: “The cluster initiative represents a strategic initiative to focus our energies in a few key areas, investing in them so that the UFS can become an international leader in those fields.”
 
“A medium sized university such as the UFS with relatively limited human, physical and financial resources has to achieve this kind of ‘critical mass’ and synergy to establish itself in terms of its core functions of teaching/learning, research and community engagement,” said Prof Fourie.
 
Media release
Issued by: Lacea Loader
Media Representative
Tel: 051 401 2584
Cell: 083 645 2454
20 February 2007

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