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11 February 2020 | Story Leonie Bolleurs | Photo Leonie Bolleurs
Prof Liesl van As
Prof Liesl van As, Academic Head of the Department of Zoology and Entomology, is passionate about equal rights for parasites.

As a research-led institution, the university has 1 600 female researchers (2019 statistics), with 63 boasting ratings from the National Research Foundation (NRF). Four of the UFS SARChI Research Chairs are also headed by women. 

One of the scientists at the University of the Free State (UFS) who gets excited about research is Prof Liesl van As, Academic Head of the Department of Zoology and Entomology. 

She was part of the UFS team that established Africa’s largest digital laboratory, equipped with 227 microscopes, to ensure that undergraduate students from Zoology and Entomology, as well as Plant Sciences (Faculty of Natural and Agricultural Sciences), have access to hi-tech equipment for a cutting-edge teaching experience.

The good and the bad 

But she also has a passion for her own research – that of fish parasites. Her most recent research work is about the biodiversity of fish parasites in natural river systems, with a focus on the Orange River and its tributaries, as well as the Okavango River and Delta in Botswana.

A few years ago, the Department of Agriculture, Forestry and Fisheries expanded their mandate for fisheries management by adding inland fisheries and aquaculture to their list of responsibilities. 

Prof Van As believes her research will add value to this process. “If we are going to expand inland fisheries, we need to expand our knowledge of what is happening in natural systems. It is important that we know and understand what potential problems might arise in aquaculture conditions.”

Equal rights for parasites

“We also need to understand that not all so-called parasites are bad, some have co-evolved with their hosts and they are part of our overall biodiversity. If the hosts are going extinct, so does this amazing spectrum of symbionts,” says Prof Van As, who is enthusiastic about promoting ‘equal rights for parasites’ (Wilson, 1995). 

When it comes to the future of women in research, Prof Van As – inspired by life itself, believes the possibilities are endless. “If you can dream it, you can do it. Ex Africa Semper Aliquid Novi (out of Africa there is always something new),” she states. 




News Archive

UFS student makes breakthrough in the application of nanorobots
2005-04-21

A student from the University of the Free State (UFS) has made a ground-breaking discovery in the field of microbiology by uncovering a series of new compounds that may in future be used to lubricate man-made nanorobots.

Mr Olihile Sebolai, a full-time student at the UFS’s Department of Microbial- Biochemical and Food Biotechnology, made this discovery while working on his M Sc-study on yeast.

With this discovery Mr Sebolai will also be awarded six prestigious prizes during this week’s autumn graduation ceremony at the UFS.  This university has recognised this exceptional achievement as a build-up to the celebration of national Science and Technology week next month.     

Mr Sebolai’s dissertation on the yeast genus Saccharomycopsis Schionning has been published in an accredited international journal of repute. 

“Words cannot describe how excited I am. I never expected to receive such recognition for my studies.  I am humbled by all of this,” said Mr Sebolai.

The Lipid Biotechnology Group at the UFS recently discovered that some yeasts produce their own water-propelled capsules in which they are transported.  These capsules have different shapes and resemble among others miniature flying saucers, hats with razor sharp brims etc.  “In order to function properly, parts of the capsules are oiled with prehistoric lubricants – lubricants that are produced by yeasts and that probably existed for many millions of years as yeasts developed,” said Mr Sebolai.  

According to Mr Sebolai these capsules are so small that approximately 300 can be fitted into the full-stop at the end of a sentence and are therefore invisible to the naked eye.

“With my studies I discovered many new compounds that resemble these prehistoric lubricants.  These lubricants may in future be used to lubricate man-made nanorobots and are similar in size compared to yeast capsules,” said Mr Sebolai.  The nanorobots are used to perform tasks in places that are invisible to the naked eye and could one day be used, among others, to clean up human arteries.

Mr Sebolai has been interested in the subject of Micro technology since he was at RT Mokgopa High School in Thaba ‘Nchu.  “I was specifically interested in the many possible applications the subject has – in the industry, as well as in medicine,” said Mr Sebolai. 

His next goal is to successfully complete his Ph D-degree.

The prizes that will be awarded to Mr Sebolai this week include:

Best Magister student at the UFS (Senate medal and prize);

Best Magister student in the Faculty of Natural and Agricultural Science and Dean’s medal at the same faculty;

The Andries Brink – Sasol-prize for the best M Sc dissertation in Microbiology;

The JP van der Walt prize for best M Sc dissertation in yeast science;

The Chris Small prize for an outstanding Master’s dissertation; and

Honorary colours awarded by the UFS Student Representative Council

Media release

Issued by:                     Lacea Loader

                                    Media Representative

                                    Tel:  (051) 401-2584

                                    Cell:  083 645 2454

                                    E-mail:  loaderl.stg@mail.uovs.ac.za

20 April 2005

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