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22 January 2024 | Story Leonie Bolleurs | Photo Born2shoot
Dr Tommie van Zyl, Prof Philippe Burger and Prof Francis Petersen
At the launch of NovaLogix, a company co-owned by the UFS and ZZ2, were, from the left, Dr Tommie van Zyl, CEO of the ZZ2 Group, and Prof Philippe Burger, Dean of the Faculty of Economic and Management Sciences, and Prof Francis Petersen, Vice-Chancellor and Principal.

The University of the Free State (UFS) recently (17 January 2024) launched NovaLogix in collaboration with ZZ2, a well-known South African fresh produce company.

This new company, co-owned by the university and ZZ2, aims to develop and produce a probiotic used in the production of fresh produce to enhance plant health and growth. Projects include a focus on improved production techniques, product registration, commercialisation, and improved recipes.

Members of the university’s management structures were present at the formal launch of NovaLogix – which took place on the UFS Bloemfontein Campus – including the Vice-Chancellor and Principal, Prof Francis Petersen; the Deputy Vice-Chancellor: Research and Internationalisation, Prof Vasu Reddy; and the Senior Director of the Directorate Research Development, Dr Glen Taylor. The deans of the two faculties that will be mainly involved in this partnership were also present, namely Prof Paul Oberholster, the Dean of the Faculty of Natural and Agricultural Sciences, and Prof Philippe Burger, the Dean of the Faculty of Economic and Management Sciences.

Among the attendees representing ZZ2 were Dr Tommie van Zyl, the Chief Executive Officer of the ZZ2 Group, Piet Prinsloo, Executive Manager at ZZ2, as well as Wiam Haddad, the new CEO of NovaLogix.

Co-creation and more sustainable outcomes

In his welcoming remarks, Prof Petersen stated that this event marks the culmination of a five-year journey that began in 2019 when he, Prof Burger, and Prof Danie Vermeulen, former Dean of the Faculty of Natural and Agricultural Sciences, first visited ZZ2 to initiate closer collaboration and cooperation.

He is of the opinion that the relationship with ZZ2 is ideally suited to assist the university in realising the core values of Vision 130, the university’s strategic intent to reposition the institution as one of the leading universities in South Africa by 2034.

The knowledge, experience, and expertise that ZZ2 brings to the partnership, complement the exciting and impactful research done by the university’s academics across a range of disciplines. - Prof Francis Petersen

Prof Petersen said that the UFS values partnerships with the private sector, and he considers ZZ2 to be a knowledge partner with co-creation as a key component in this collaboration.

“Working together on a challenge makes the solution more sustainable. I believe that innovation and this co-creation approach will generate outcomes that transform the agricultural sector and impart knowledge to the next generation,” he stated.

“The knowledge, experience, and expertise that ZZ2 brings to the partnership complement the exciting and impactful research conducted by the university’s academics across a range of disciplines. I am looking forward to a partnership that will grow from strength to strength,” concluded Prof Petersen.

Breakthrough developments in the pipeline

According to Dr Van Zyl, ZZ2 would like to continue building a future with the university based on a symbiotic relationship. “We want to ensure that our strengths as an organisation are put to good use,” he said, expressing a strong conviction that there will be breakthrough developments with this initiative.

This work will align with ZZ2’s ‘Work with nature’ journey that began more than two decades ago, steering away from conventional, industrial agriculture towards a system that aims to farm in harmony with nature. “It is important that we nurture nature while using her resources,” he said.

He is excited to work with the university, exploring improved techniques and technologies to find more effective ways towards a sustainable future. “Knowledge partners are important in this journey,” he stated.

Building on existing collaborations

In September 2022, the university entered into a collaboration agreement with ZZ2. The partnership between the two entities included the establishment of FreeFarm Innovation, a company that in turn has a holding in NovaLogix and is designed to leverage the strengths, capabilities, skills, and resources of both parties. Part of the operations of FreeFarm Innovation included opportunities for research, commercialisation, and the enhancement of agricultural products. This has come into effect in projects on, for example, business operations, agricultural sustainability, and innovative approaches to growing fruit and vegetables, to name but a few.

News Archive

Research eradicates bacteria from avocado facility
2017-01-17

 Description: Listeria monocytogenes Tags: Listeria monocytogenes

Listeria monocytogenes as seen under an electron
microscope. The photo was taken with a transmission
electron microscope at the microscopy unit of the UFS.
Bacteriophages (lollipop-like structures) can be seen
next to the bacterial cells.
Photo: Supplied

“The aim of my project was to identify and characterise the contamination problem in an avocado-processing facility and then to find a solution,” said Dr Amy Strydom, postdoctoral fellow in the Department of Microbial Biochemical and Food Biotechnology at the University of the Free State (UFS).

Her PhD, “Control of Listeria monocytogenes in an Avocado-processing Facility”, aimed to identify and characterise the contamination problem in a facility where avocados were processed into guacamole. Dr Strydom completed her MSc in food science in 2009 at Stellenbosch University and this was the catalyst for her starting her PhD in microbiology in 2012 at the UFS. The research was conducted over a period of four years and she graduated in 2016. The research project was funded by the National Research Foundation.

The opportunity to work closely with the food industry further motivated Dr Strydom to conduct her research. The research has made a significant contribution to a food producer (avocado facility) that will sell products that are not contaminated with any pathogens. The public will then buy food that is safe for human consumption.


What is Listeria monocytogenes?

Listeria monocytogenes is a food-borne pathogenic bacterium. When a food product is contaminated with L. monocytogenes, it will not be altered in ways that are obvious to the consumer, such as taste and smell. When ingested, however, it can cause a wide range of illnesses in people with impaired immune systems. “Risk groups include newborn babies, the elderly, and people suffering from diseases that weaken their immune systems,” Dr Strydom said. The processing adjustments based on her findings resulted in decreased numbers of Listeria in the facility.

The bacteria can also survive and grow at refrigeration temperatures, making them dangerous food pathogens, organisms which can cause illnesses [in humans]. Dr Strydom worked closely with the facility and developed an in-house monitoring system by means of which the facility could test their products and the processing environment. She also evaluated bacteriophages as a biological control agent in the processing facility. Bacteriophages are viruses that can only infect specific strains of bacteria. Despite bacteriophage products specifically intended for the use of controlling L. monocytogenes being commercially available in the food industry, Dr Strydom found that only 26% of the L. monocytogenes population in the facility was destroyed by the ListexP100TM product. “I concluded that the genetic diversity of the bacteria in the facility was too high and that the bacteriophages could not be used as a control measure. However, there is much we do not understand about bacteriophages, and with a few adjustments, we might be able to use them in the food industry.”

Microbiological and molecular characterisation of L. monocytogenes

The bacteria were isolated and purified using basic microbiological culturing. Characterisation was done based on specific genes present in the bacterial genome. “I amplified these genes with polymerase chain reaction (PCR), using various primers targeting these specific genes,” Dr Strydom said. Some amplification results were analysed with a subsequent restriction digestion where the genes were cut in specific areas with enzymes to create fragments. The lengths of these fragments can be used to differentiate between strains. “I also compared the whole genomes of some of the bacterial strains.” The bacteriophages were then isolated from waste water samples at the facility using the isolated bacterial strains. “However, I was not able to isolate a bacteriophage that could infect the bacteria in the facility.

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