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16 October 2020 | Story Leonie Bolleurs | Photo Supplied
Kyla Dooley, runner-up in this year’s Three-minute thesis competition, wants to pursue a career working alongside police enforcement, using her knowledge of forensics to solve criminal cases and convict perpetrators.
When rapes and sexual assaults are committed, DNA evidence can play a large role in convicting the offenders. DNA evidence collected from sexual crimes can, according to Kyla Dooley, often be tricky to analyse.

Kyla has just completed her master’s degree, specialising in Forensic Genetics, at the University of the Free State (UFS). She not only thrives in this field – graduating at the top of the Faculty of Natural and Agricultural Sciences in 2018 when she was awarded the Dean’s Medal – but her work also brought her the runner-up position in this year’s Three-minute thesis competition. 

She talked about her research on the use of male-specific DNA in the analysis of DNA evidence collected after crimes of a sexual nature have been committed.

Explaining her research, Kyla elaborates: “In most cases, the victim is female, while the offender is male. Therefore, the evidence is often a mixture of male and female DNA and this can make it difficult to analyse the male DNA and match it to a male suspect.”

She believes the solution to this is to target male-specific DNA in analysis. “This eliminates all female DNA and simplifies the process,” says Kyla.

“Unfortunately, male-specific DNA technology is not currently used in South Africa, because the DNA regions tested to date haven’t shown much success in distinguishing between males in our population,” Kyla points out.

“The goal is now to use DNA evidence, to match it to a suspect, and have the confidence that it came from him and only him. Or else defence lawyers could argue that it came from someone else in the population,” she says.

Improving DNA evidence

Therefore, Kyla’s research focused on evaluating a new group of male-specific DNA regions, which are to be tested yet, to see if it would be a viable option for use in South Africa. 

“I achieved this by collecting DNA samples from men on campus, processing them to obtain DNA profiles, and then determining how well these regions can distinguish between the men. The results of my research demonstrate the potential of these DNA regions to improve the use of DNA evidence when investigating sexual assaults in South Africa,” says Kyla.

She believes her study can play a role in increasing the conviction rate of sexual offenders, which could lead to a reduction in South Africa’s alarmingly high rape statistic. 

“Everyone in South Africa is affected by this horrific crime in some way or another, so the benefits of this would be widespread,” she says.

Solving crimes

Although Kyla will one day pursue further studies, she is ready for the next stage in her life. “I am in the process of applying for jobs and getting ready to dive into the real world. I’ll definitely be pursuing a career working alongside police enforcement to solve criminal cases and convict perpetrators of such crimes. Working for the NYPD in the USA or Scotland Yard in the UK is the ultimate dream job,” she says.

“I chose my field not only because the forensics world absolutely fascinates me, but also because I want to make a difference. I want to play a role in getting justice for those affected by violent crimes. One simple process in a forensic scientist’s everyday routine could be a life changer for a victim of crime,” believes Kyla.

 

 


News Archive

UFS gives recognition to excellent researchers
2004-11-16

p>The University of the Free State will give recognition to excellent researchers at UFS on Tuesday 16 November 2004. “This recognition function will also serve as the first annual lecture in research excellence,” says Prof Frans Swanepoel, Director of Research Development Division at the UFS.

 

This is the first occasion of its kind in the UFS. It coincides with the university’s centenary celebrations. The recognition of excellent research shows the UFS’s commitment and innovative focus on research as one of its core functions,” says Prof. Swanepoel.

Recognition will be given in different categories. They are female researchers, black researchers, young researchers, C- and L-Rated researchers, researchers with significant research outputs, B-Rated researchers and distinguished professors in research.

The promotion of equity and development of research capacity of designated groups is one of the objectives of the UFS’s research strategy therefore the university is recognising the research achievements of 21 women and 16 black persons. Amongst these are Prof. Margaret Raftery (English and Classical Languages), Dr Liesl van As (Zoology and Entomology), Prof. Peter Mbati (head of the Qwaqwa campus) and Prof. Charles Ngwena (Constitutional Law and Philosophy of Law).

The UFS is also recognising nine young researchers. They must hold a doctorate and have the potential to establish themselves as researchers within a five-year period based on their performance and productivity as researchers during their doctoral studies and/or early post-doctoral careers. Amongst them are Dr Esta van Heerden (Microbial Biochemical and Food Biotechnology) and Prof. André Jooste (Agricultural Economics).

Fifty-eight established researchers with a sustained recent record of productivity are receiving recognition in the C- and L-rated researchers’ category. Amongst them were Prof. Hennie van Coller (Afrikaans, Dutch, German and French) and Prof. Gert Erasmus (Animal- and Wildlife- and Grassland Sciences).

Prof. Francois Tolmie (New Testament) and Prof. Gina Joubert (Biostatistics) are two of the twelve researchers that are receiving recognition for having excelled in research outputs during recent years.

Nine researchers are acknowledged in the B-category for the international recognition they receive from their peers for the high quality and impact of their recent research outputs. Amongst them were Prof. Johan Grobbelaar (Plant Sciences) and Prof. Hendrik Swart (Physics). Prof. Grobbelaar focused in his research on limnology, algal biotechnology, plant stress and Prof. Swart focused on solid state physics and degradation mechanisms that are responsible for the degradation of field emission and TV displays.

Seven individuals are recognised for their exceptional achievements as researchers. Prof. Frederick Fourie, Rector, but previously in the Department of Economics, is recognised for his research in two policy areas: Political Economics, Government Finance and Fiscal Policy, and Industrial Economics, in particular analysis of the South African industrial structure and competition policy, where his research contributions played a key role in reforming South Africa’s competition policy.

Prof. Lodewyk Kock (Microbial, Biochemical and Food Biotechnology) focuses in his research mainly on pure and oxidised edible oil where yeasts are used as a study model. He obtained national as well as international recognition for this research program.

The UFS is also awarding the S2A3 Bronze Medal to recognise a Master’s degree student who has delivered outstanding research in one of the sciences. Mr Pieter Taljaard and Ms Tania Venter are recognised in this category.

Media release
Issued by: Lacea Loader
Media Representative
Tel: (051) 401-2584
Cell: 083 645 2454
E-mail: loaderl.stg@mail.uovs.ac.za
16 November 2004

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