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Students hear from textbook writer about conservation genetics

02 August 2022 | Story Leonie Bolleurs | Photo Leonie Bolleurs

Genetics lecture — 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

Official opening of Faculty of Health Sciences Rural Community Initiative

2017-01-01

Description: Karla Mostert Tags: Mail & Guardian, 200 Young South Africans, Candice Thikeson, Karla Mostert, Lerato Machetela, Mandela Rhodes Scholar, Thapelo Mokoatsi

Ribbon cutting, Prof van Zyl and Ms du Plessis
Venter (community member)

The Faculty of Health Sciences of the University of the Free State (UFS) has, as part of its commitment to student and community development, established a student residence in the town of Trompsburg in the Kopanong Local municipality, Xhariep District municipality in the Southern Free State. The Faculty officially opened the Faculty of Health Sciences Rural Community Initiative on 14 and 15 June 2017. The memorial plaque was unveiled by Prof Gert van Zyl (Dean of the Faculty of Health Sciences) and Prof Francis Petersen (Rector and Vice-Chancellor of the University of the Free State)

The importance of the residence

The goal of the ‘Kopanang le fodise – Unite to heal’ programme is to develop a community-centered collaborative framework for sustainable, holistic healthcare and social development incorporated in the curricula of the Faculty.

Background of the project

During 2016 a total of 324 fourth-year students of the Faculty have each spend at least a week in interprofessional groups in primary healthcare facilities in the Kopanong municipality on a Community Based Education, Interprofessional Education (CBE-IPE) platform in Trompsburg and Springfontein.

To facilitate student rural placement the former Midway guesthouse currently includes seven (7) facilitator units with on suite bathrooms, two (2) fully equipped lecture facilities, a recreation room and a library with computers and internet access. The newly developed student residence has 10 apartments that can each accommodate six (6) individuals. A housemaster resides on the premises and acts as manager of the facility. All areas of the residence are Wifi covered and 24h security service is in place.

The ceremony was attend by the following partners

University of the Free State (UFS)

Rector and Vice Chancellor of the University of the Free State, Prof Francis Petersen.
Members of the UFS council, Dr Vinger and Dr Swart
Dean of the Faculty of Health Sciences, Prof van Zyl.
The Head of the School of Allied Health Professions, Dr van Vuuren.
The Head of the School of Medicine, Prof Kruger.
Faculty from the Faculty of Health Sciences.
Members from UFS institutional support department: ICT, Finance, Facilities management

Kopanong local municipality

Councilor Basholo, representing the Kopanong local municipality.
Kopanong local community members
Free State Department of Education (DoE)
Free State Department of Health (DoH)

Private sector partners

Mr Burgess, CEO of MDG Heath Solutions
The Mother And Child Academic Hospital (MACAH) represented by Prof Venter, head of department of Paediatrics, donated two (2) state of the art baby scales to the rural health programme.

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