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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

Six of our students on their way to Stanford Sophomore College
2014-08-21


Back, from the left are: Philip Kitsopoulos (BCom Law), Ulrich Kristen (Medicine)
and Stephan Erasmus (Medicine).

The university hosted a send-off function for our students who are about to attend a three-week seminar at Stanford Sophomore College (SoCo).

Six Kovsie students were selected to attend the seminar at the Stanford SoCo in September 2014. This programme is an immersive learning experience where participants attend class meetings during the morning. Their afternoons include class activities, explorations of Stanford, field trips as well as organised events.

UFS students were invited to apply for one of six SoCo courses in February 2014. After months of apprehension, the successful Kovsie applicants were announced in May this year.

These outstanding Kovsie students and the courses they will attend are:

  • Sebabatso Makafane, Vuyisile Kubeka and Philip Kitsopoulos – New Millennium Mix: Crossings of Race and Culture;
  • Ulrich Kristen – Resistance Writings in Nazi Germany;
  • Kaylene Pillay – Ghost Stories: Why the Dead Return and What They Want From Us; and
  • Stephan Erasmus – Responses to the AIDS Epidemic.

During the farewell function, Rudi Buys: Dean of Student Affairs, handed the students their flight tickets and visas. This was followed by messages of support from Dr Lis Lange, Directorate for Institutional Research and Academic Planning, and Prof Neil Roos from the Centre for Africa Studies.

Prof Roos concluded the evening’s programme with some advice for these students. “Don’t go there and come back to copy the students and personalities you meet there. Go there and show your own characteristics to them.”

The six Kovsies will depart on 29 August and return home on 19 September 2014.

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