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Revolutionising wheat: Developing cultivars that maintain their quality in heat and drought

28 April 2023 | Story Leonie Bolleurs | Photo Supplied

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

UFS ICT Services mentioned among global PeopleSoft pioneers

2017-10-23

Andrew Jusjong, Chief Officer: ICT, one of the main drivers
of PeopleSoft at the UFS.
Photo: Rulanzen Martin

At the beginning of his term, the Rector and Vice-Chancellor of the University of the Free State (UFS), Prof Francis Petersen, mentioned to parents and prospective students the importance of the UFS being recognised globally as innovators.

This month, Information and Communication Technology Services (ICT Services) were recognised by Oracle as one of the PeopleSoft Innovators at the Oracle OpenWorld (an international conference regarding all Oracle products) for deploying student self-service, using PeopleSoft Campus Solutions’ new Fluid user interface.

Andrew Jusjong, Chief Officer: ICT, says, “This solution allows dynamic administrative setup regarding available degrees, customised messages, dynamic required degree-specific documentation, and integration with the Applications and Admissions module.” He says it also includes self-service functionality that allows students to track the status of their applications, and provide additional documentation required for their study choices.

“The UFS is the only innovator in the European, Middle-Eastern and African region. Considering that the development team at the UFS is much smaller than their international counterparts, this illustrates that we do not have to stand back for our international peers regarding service delivery and the quality of service to our customers,” he says.

The PeopleSoft Innovator awards are presented to companies that are taking advantage of the latest capabilities and technologies provided by Oracle PeopleSoft in order to transform their businesses and their IT practices, while also providing benefits to the business and end users. The UFS has been making use of PeopleSoft applications since 2004. It currently makes use of three applications:

- PeopleSoft Financials for procurement, budgeting, billing, asset management, general ledger, journals, provisioning, payroll, commitment control, ad hoc claims, travel and expenses, and maintenance management.
- PeopleSoft Human Capital Management for HR data processes, recruitment, workforce management, remuneration management, leave management, employee self-service, and other HR activities; and
- PeopleSoft Campus Solutions for student lifecycle management, applications and admissions, curriculum management, programme enrolment, student records, student financials (accounts), financial aid, graduation, alumni management, graduate research management, residences, and student self-service.

In the Higher Education sector, PeopleSoft is being used by over 900 campuses in 34 countries, across six continents. “This means that recognition was given to the university on a global platform,” says Jusjong.

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