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02 August 2022 | Story Leonie Bolleurs | Photo Leonie Bolleurs
Alistair Naidoo, second-year master’s student in Conservation Genetics and full-time technician in the Department of Genetics; Prof Paul Grobler, Head of the Department of Genetics; Prof Gordon Luikart; and Hannah Janse van Vuuren, third-year master’s student in Conservation Genetics.

It is an important and exciting time to be doing research in conservation genetics. This is according to Prof Gordon Luikart, Professor of Conservation Ecology and Genetics at the Flathead Lake Bio Station at the University of Montana in the United States. 

Prof Luikart, whose primary research focus is the application of genetics to the conservation of natural and managed populations, recently delivered a lecture, The Expanding Role of Genetics/omics in Wildlife Research and Conservation, on the Bloemfontein Campus of the University of the Free State (UFS). The lecture, hosted by the Department of Genetics, was attended by a group of students and lecturers in conservation and a number of related fields. 

He is one of the leading scientists in the field of conservation genetics, including integration of genomics in conservation projects. He is also co-author of the textbook Conservation and the Genomics of populations – the current prescribed textbook for GENE3744.

Species threatened with extinction

In 2008, the International Union for Conservation of Nature (IUCN) stated that approximately 10-20% of all vertebrate and plant species are threatened with extinction over the next few decades. In 1984, American biologist Edward O Wilson also said that it will take millions of years to correct the ongoing loss of genetics and species diversity caused by the destruction of natural habitats. “This is the folly our descendants are least likely to forgive us.”

Prof Luikart is of the opinion that genetics has enormous potential to help manage wildlife and prevent extirpation. “My research works to realise this potential and help wildlife managers conserve populations and ecosystems,” he says. 

Conservation managers and biologists have understood the risks of inbreeding for more than 100 years. In his lecture, one of the aspects of genetic conservation he focused on, was the negative effects of inbreeding and how this can be reversed using genetic rescue. 

With the genetic rescue study, they found that the gene flow into recently isolated populations can increase individual fitness and population growth. He proposed that conservation managers should consider genetic principles and rescue as practical and important tools. 

Prof Luikart also provided a list of information that can be retrieved from molecular genetic data to help conservation managers. This includes intel on census and effective population size, gene flow and dispersal, local adaptation and selection, forensics, genetic identification and law enforcement, and disease ecology and transmission. 

Non-invasive genetic monitoring

In terms of detecting gene flow, he focused on a study about non-invasive genetic monitoring that was conducted in the Yellowstone Park. Prof Luikart and a group of students collected the shed hair and faeces of the grizzly bear, obtained from trees and hair traps, which were used as a source of DNA. 

They established, for instance, that inbreeding depression is more common and stronger than previously thought in natural populations. Genetic monitoring, using non-invasive methods as described, has been found to be an effective tool that conservation managers should consider for detecting inbreeding and loss of genome-wide variation.

His research on the bighorn sheep, the alpine ibex, and the black bear informed most of the findings he discussed during his lecture.

News Archive

Wayde nominated with SA’s best
2015-11-04

      
Wayde van Niekerk sweating on
Pellies Park at the University of the Free State
Bloemfontein Campus.
Photo: Charl Devenish

The Kovsie athlete Wayde van Niekerk’s dream year is not over yet.

The University of the Free State’s golden boy was nominated in two categories of the SA Sports Awards in Johannesburg on 3 November 2015 . The winners of the tenth SA Sports Awards will be crowned in Van Niekerk’s home town, Bloemfontein, on 22 November 2015.
  
For the awards, sports stars are being judged on their achievements between 1 September 2014 and 30 September 2015.

The 23-year-old Van Niekerk was nominated as Sportsman of the Year and in the People’s Choice category.

One of three with two nominations

Van Niekerk is one of three sports stars nominated for two awards. The other two are the swimmer, Chad le Clos (Sportsman of the Year and People’s Choice), and the cyclist, Ashleigh Moolman-Pasio (Sportswoman of the Year and People’s Choice).

In the category Sportsman of the Year, Van Niekerk was nominated with Le Clos, and the mountain biker, Greg Minnaar.

He will compete against the Protea cricket player AB de Villiers, Moolman-Pasio, Le Clos, and the wheelchair tennis player, Lucas Sithole, for the People’s Choice Award.

After enjoying a dream year, Van Niekerk was named on 21 October 2015 as KovsieSport’s Sportsman of the Year for a third consecutive year.

In August, he won the 400 m at the World Championships in Beijing in a time of 43.48 s. His winning time was the sixth fastest in history, with only three athletes achieving better times.

NBC Olympics, a division of the American broadcasting network NBC, recently filmed a special insert on him at the UFS Bloemfontein Campus. The insert will be screened in the build-up to, and during, the 2016 Olympic Games in Rio de Janeiro.

Vote for Wayde


Supporters have until 21:00 on 22 November 2015 to vote for their favourite sports stars, by sending an SMS at the cost of R1,50 to 45210.

To vote for Van Niekerk in the category People’s Choice, send an SMS with the letter E to 45210.

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