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31 March 2020 | Story Leonie Bolleurs | Photo Supplied
UFS Covid-19 vaccine research team
Prof Robert Bragg and members of the Veterinary Biotechnology research group believe that finding a vaccine for COVID-19 will not be a ‘quick fix’. From the left are: Prof Bragg, Samantha McCarlie, Liese Kilian, and Dr Charlotte Boucher-van Jaarsveld. The photo was taken during the World Veterinary Poultry Association congress in Thailand in 2019.

On 31 March 2020, there were 804 061 coronavirus cases and 39 064 deaths globally due to the outbreak. According to media reports, there is still no licensed vaccine for COVID-2019 – the cause of our current global health emergency.  

Prof Robert Bragg, researcher at the University of the Free State (UFS), says this is without a doubt the most pressing research need in the world today. 

The Veterinary Biotechnology research group in the Department of Microbial, Biochemical, and Food Biotechnology at the UFS recently submitted an article for publication on the design of a possible COVID-19 vaccine, based on work they have done on infectious bronchitis virus (also a coronavirus). The article, authored by the group of which Prof Bragg is a member, is titled: A sub-unit vaccine produced in 'Yarrowia lipolytica' against COVID-19: Lessons learnt from infectious bronchitis virus. 

The research group, consisting of researchers and postgraduate students, is mostly looking at strategies for improved disease control, mainly in avian species, through vaccine development, treatment, and biosecurity.

Prof Bragg says their main aim with this study was to get the research out there so that the bigger pharmaceutical companies could take up the design of a possible COVID-19 vaccine and assist with the development of a vaccine. 

He says the research group’s role in this lengthy process would be to express the protein, which could be used in the development of a possible vaccine. “Thereafter, it will have to be taken up by a vaccine manufacturer to get the vaccine made and to the market.”

Developing a vaccine
Liese Kilian, a member of the research group, finished writing up her MSc thesis in Microbiology in the UFS Department of Microbial, Biochemical, and Food Biotechnology in December 2019 – the same time that COVID-19 originated in China. She has been working on the development of an edible sub-unit vaccine against the infectious bronchitis virus (IBV), which is a widespread avian coronavirus. This virus is specific to poultry and is different from COVID-19. 

Kilian’s project was conducted under the supervision of Prof Bragg and Dr Charlotte Boucher-van Jaarsveld. Dr Boucher-van Jaarsveld is a research fellow in the university’s Department of Microbial, Biochemical and Food Biotechnology.

Kilian, with the assistance of Samantha Mc Carlie, currently a master’s student in the research group, substituted the genetic code of the IBV with the genetic code of the COVID-19 virus, which were already published at that stage. Thus, a gene for the development of a possible sub-unit vaccine against the S1 spike protein of COVID-19 was developed for expression in the same yeast strain used to express the spike protein of IBV. A sub-unit vaccine can be described as part of a pathogen, triggering an immune response against the pathogen from which it is derived.

After Killian successfully developed the gene for this study, she expressed the S1 spike protein of the IBV in a yeast-based expression system developed by the research group. Dr Boucher-van Jaarsveld says this simply means that the yeast takes up the foreign genetic material (viral gene) into its own genetic make-up and makes more of this protein as if it is part of the yeast’s normal material. 

“The images of COVID-19 are being shown constantly in the media and the ‘spikes’ can be seen on all of these images. These spikes are very typical for all coronaviruses and there is some level of similarity between the structure of these spikes in many of the coronaviruses,” Prof Bragg adds.

According to the World Health Organisation, the spike protein is a promising candidate for a sub-unit vaccine due to its immunogenicity and safety, as well as manufacturing and stability considerations during large-scale development.

Prof Bragg says there are many different expression systems that are widely used. Producing the sub-unit vaccine in a yeast species is beneficial for the work they are doing. A yeast expression system is favourable as large-scale production, is less expensive compared to mammalian cell lines, and can be applied as an edible vaccine.

“The technology to grow massive volumes of yeast are also very well established. This, after all, is how beer is made!” Prof Bragg says. Dr Boucher-van Jaarsveld adds: “The expression of an antigen is not necessarily just geared towards vaccines but can also be used in the development of diagnostic tests to screen populations for infections.”

Working with other researchers
“Now that the situation is all but out of control, we maybe need to investigate the possibilities of working with other key researchers at the UFS as well as other universities in South Africa to develop the vaccine or diagnostic reagents locally. Discussions on this aspect are already underway.”

Several other universities in South Africa are also working to find a cure for the virus. Government availed funding for more research on the matter. According to Higher Education, Science and Technology Minister, Blade Nzimande, the University of Cape Town, the Council for Scientific and Industrial Research, as well as the Vaccines Institute of Southern Africa are working on the development of a vaccine.

Prof Bragg expressed the hope of obtaining funding for this work. “Because without funding, we will not be able to do anything with this data,” he says. They are currently investigating different funding options. 

“The sooner we start on the development of a vaccine, the sooner there will be one, but it will not be a ‘quick fix’. It must be stressed that, even if vaccine development is fast-tracked through the regulatory bodies, it will take many months (if not years) to move from the laboratory to the first human experimentation. It will take even longer before any human vaccine can be rolled out,” says Prof Bragg.



News Archive

Official opening ceremony of the UFS Qwaqwa Campus
2006-02-15

Official opening ceremony of the UFS Qwaqwa Campus
11th February 2006 – Multipurpose Hall

Opening Speech:
Prof. Peter A. Mbati
Campus Principal

Successfully rising to the challenges of incorporations and mergers – developing a vibrant and academically stimulating satellite campus of the University of the Free State.

Thank you Mr. Program Director and good morning ladies and gentlemen.

I wish to once again welcome all of you to the official opening ceremony of the University of the Free State QQ campus.  Thank you for taking time to share with us an important date in our campus academic calendar.  I bring you greetings from our Rector and Vice Chancellor Prof. Frederick Fourie.

During such occasions we try and reflect on important matters that have affected us as an institution in the preceding year, commit ourselves to specific objectives for the current year, while planning for the proceeding year.

Today I shall be talking on Successfully rising to the challenges of incorporations and mergers – developing a vibrant and academically stimulating satellite campus of the University of the Free State’.

SRC inauguration
I would like to congratulate the SRC President and the entire SRC leadership for being elected into important positions of student leadership and authority. 

As a university we are proud of the quality of our student leadership on the Qwaqwa campus.  I am confident that you young leaders will rise to the challenges of your office and discharge your duties with diligence and without fear or favour.  That you will rise above your party affiliations and provide effective leadership to the entire student body on campus.
                              
Leadership is complex and requires you to be objective, just and fair in your approach to the many challenges that you will encounter.  You will be judged not by the populist decision that you take when confronted with difficult choices, but rather, on the wisdom that you exercise in reaching consensus in decision making processes.

The era when management and student leadership viewed each other with suspicion and as adversaries is long gone.  Management, academic and administrative staff, parents and students must have common agendas in as far the  quality growth and development of our university is concerned and to strive towards academic excellence.  I leave the challenge to you students, and more so to the inaugurated student leaders to define your agenda in achieving this noble objective.  I trust that you will make the right choices.

Brief history of incorporation
On the recommendations of the National Working Group of Higher Education, the Qwaqwa Campus of the then University of the North was incorporated into the University of the Free State on 1st January 2003.  We suddenly had to move from a campus that was originally semi-autonomous and with its own culture developed over almost 20 years, into a campus that had to operate as a fully integrated campus of the UFS, a 100 year old institution with its distinct culture.

Following incorporation, we not only had to continue with our core business of teaching, learning, research and community service, but we also had to engage in other important aspects such as exploring the most appropriate models of governance for the campus, encouraging dialogue and interactions at all levels between personnel at the different campuses with a view to developing trust between colleagues. And with the added dimensions such as participation in the transformation task team we in effect are at the fore front of developing a new institutional culture at the UFS and a truly South African University.

UFS Strategic objectives
The strategic and transformation priorities of the University of the Free State for 2006 – 2008 as approved by the Executive Management at its retreat in January 2006 are:

  • Quality and Excellence
  • Equity, diversity and redress
  • Financial sustainability
  • Regional co-operation and engagement

Central to this priority is the integration of the Qwaqwa campus as a valuable constituent part of the UFS, and the strategic reconfiguration of the campus in order that the UFS can play a meaningful role in regional engagement and development.

  • National leadership

The five strategic objectives cannot be viewed in isolation and run simultaneously and in concert with each other. 

The Question must therefore be what we on the QQ campus, staff and students, parents and our broader community are willing to do to achieve these strategic objectives. The reconfiguration and strategic planning of this campus, and therefore its success, must be a collaborative effort between colleagues at QQ and on the main campus.  We must all be ready to work together, to plan together, to shoulder responsibilities together and sometimes, to share the pain and disappointments together. 

The second question must therefore be: are we prepared to go that extra mile for our campus to ensure that we claim our rightful stake within the ranks of well respected academic institutions of higher learning in this country?  At this point in its history this campus requires committed men and women from across the cultural spectrum who appreciate the challenges ahead of us and who are ready to give of their best and to constructively engage at all levels to make this dream a reality.  Because this dream is possible and this dream will be realized!

Quality and Excellence (1st strategic objective)

As mentioned by the Rector in his speech at the official opening ceremony of the university on the main campus on Friday 3rd February, the university will in 2006 pay extra attention to Quality and Excellence.  This is informed by the Higher Education Quality Committee’s (HEQC) institutional audit which is scheduled to take place this year.  Our university as well as several other HEI’s will be subjected to this audit.  This will call for a lot of hard work on your part in preparation for a successful audit and in this regard therefore I request for your cooperation.

As a further step in confirming our commitment to quality and excellence, we have simultaneously introduced on the QQ campus and the main campus workshops on performance management systems to a cohort group.  This will be expanded in 2006 to a wider group of managers on the QQ campus to include among others all Program Heads and Subject Heads. PMS is an invaluable tool for fair, effective and efficient management of a very important resource on campus – the human resource.  Benefits of PMS include among others:

  • Instilling and enriching a culture of performance management (quality assurance) as an integral part of the day to day functioning of staff at the campus
  • Improving staff performance through mentoring, development and training

Tri campus project
One of the more important projects that we as a university undertook in 2005 was the Tri Campus Project which was coordinated by the Free State Higher Education Consortium (FSHEC) through Niel Butcher and Associates consultants.

The Tri-Campus project focused on the strategic planning for higher education campuses in the Free State that have been incorporated with UFS and CUT during the reshaping of the South African higher education landscape. The Bloemfontein Vista campus and the Qwaqwa campus of the University of the North were incorporated with the UFS, and the Welkom Vista campus with the CUT.

The planning process involved a range of research and consultation activities during the course of 2005. This included:

  • Conducting situational analyses of the Qwaqwa campus during which staff and students were widely consulted;
  • Consulting with the campus and with a range of stakeholders in the sub-region
  • Review of the Free State Provincial Growth and Development Strategy and Integrated Development Plans (IDPs) of the regions and other research of relevance to the sub-regions, province and country.

An operational framework for the reconfiguration of the campus with a range of possible Program Qualification Mixes has been produced.  In December 2005, the Rector, the Vice Rector Academic Planning Prof. Magda Fourie and I discussed this document with senior members of the DoE in Pretoria, and we will soon be meeting with the National Minister of Education Me Naledi Pandor for her guidance and to seek support in the further refinement of the document and subsequent implementation.

Recapitalization
This year a further R 6 M has been budgeted for recapitalization.  In about two weeks time the third of phase of renovations on campus will commence and attention will be given to the administration building, the humanities and the outstanding work in the lecture hall complex.  There- after the library, sciences and education buildings will follow.  As you will recall a substantial portion of the R 8.4 million in 2005 was used to upgrade the student residences and the lecture hall complex.

I am certain that the renovations and upgrading of our infrastructure and physical facilities including landscaping will create an enabling environment for you to enjoy your work and studies on this campus.

Renovations come with some measure of inconveniences and I therefore wish to request for your patience and support during this period.

Closing remarks
There is a heightened spirit of optimism on what the future holds for this campus.  This is evident when I talk to a large cross section of staff and students of this campus – and I therefore invite all of you to come and be partners with us on this journey of optimism and hope of what the future holds for the UFS – QQ campus.

Thank you and God bless!

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