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08 May 2024 Photo SUPPLIED
Dirk Opperman

The Dean of the Faculty of Natural and Agricultural Sciences, Prof Paul Oberholster, has the pleasure of inviting you to the inaugural lecture of Prof Dirk Opperman.

Date: 21 May 2024

Time: 17:30

Venue: Equitas

Click to view document Click here to RSVP before Wednesday, 15 May 2024. Alternatively, contact Christelle van Rooyen on +27 51 401 9190.

 

About Prof Dirk Opperman

Prof Dirk Opperman obtained his PhD in Biochemistry at the University of the Free State in 2008. This was followed by postdoctoral research on directed evolution with Prof Manfred T Reetz at the Max Planck Institute for Coal Research (Germany). In 2010, he was appointed in the Department of Microbiology and Biochemistry. He subsequently established structural biology at the UFS, and his current research focus lies at the interface of evolutionary and structure-function relationships of biocatalysts, and their application in green chemistry. He is an NRF B-rated researcher with co-authored papers in Science, Nature Communications, and Angewandte Chemie.

His research has been funded by both local and international organisations, ranging from industries such as SASOL to the Global Challenges Research Fund (GCRF, UK). He has a long-standing collaboration with researchers at the Delft University of Technology (TUDelft, the Netherlands) and is currently part of a European Research Area Network Cofund (ERA-NET Cofund) partnership on Food Systems and Climate (FOSC) that develops biocatalysts for upcycling waste.

News Archive

Study shows that even cheating monkeys alter their behaviour to avoid detection and punishment
2013-03-12

 

Dr Le Roux sharing a moment with the geladas (Theropithecus gelada).
Photo: Supplied
11 March 2013

A recent article headed by Dr Aliza le Roux from the University of the Free State Qwaqwa Campus’ Department of Zoology and Entomology, asserts that cheating and deception is not only a human phenomenon - it is also found in non-human animals.

“Our specific study investigated cheating and punishment in geladas. While human beings are known to deceive one another, and punish cheaters that get caught, it is actually very rare to find proof of this kind of behaviour in non-human animals,” said Dr Le Roux.

“We don't know if this is because humans are uniquely deceitful, or if it is just that animals deal with cheating differently. Our study was therefore the first to demonstrate that gelada males and females try to deceive their partners when they are cheating on them. This means they try to hide their unfaithful behaviour.” This is therefore the first investigation to document tactical deception in primates living in a natural environment.

“We also showed that the cuckolded males then punish the cheaters, but could not determine if the punishment actually caused cheaters to stop cheating,” said Dr Le Roux.

This on-going and long-term study continues to observe the population of wild geladas in the Simien Mountains National Park in Ethiopia. The study investigates primate hormones, cognition, genetics, social behaviour and conservation, and is done in collaboration with the Universities of Michigan and Pennsylvania.

The full version of the article can be accessed on (http://www.nature.com/ncomms/journal/v4/n2/full/ncomms2468.html).


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