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From curiosity to contribution: A PhD journey in Plant Stress Biology

08 April 2025 | Story Precious Shamase | Photo Kaleidoscope Studios

Sellwane Moloi — Sellwane Jeanette Moloi celebrates graduating with a PhD in plant stress biology, contributing vital research toward global food security through drought-tolerant wheat studies.

Embarking on a PhD is a transformative journey, one filled with intellectual challenges, personal growth, and the potential to contribute meaningfully to one's field. For Sellwane Jeanette Moloi – who has graduated with her PhD on Friday 4 April during the afternoon session – the path was illuminated by a deep fascination with plants and a determination to address the critical issue of global food security.

A spark of curiosity

"The initial spark came from a deep curiosity about plants," Moloi shared. "I was intrigued by how plants function and the key mechanisms that help them survive when exposed to various environmental stress factors. Learning different techniques used to study and analyse plant responses to environmental factors made me even more intrigued." This curiosity fuelled a rigorous exploration into plant stress biology, focusing on how wheat thrives under drought conditions.

Navigating the challenges

Reflecting on the experience, however, the PhD journey was not without its hurdles. "One of the most challenging aspects was staying motivated and managing pressure," Moloi confessed. "Setbacks and slow progress can also be overwhelming." Overcoming these obstacles required a strategic approach: "I had to break down larger tasks into manageable tasks and also seek support from my supervisors."

Doubts inevitably arose, especially when experiments did not go as planned. "There were moments when I asked myself what I had actually gotten myself into," she admitted. However, the unwavering support of supervisors, colleagues, friends, and family provided the necessary reassurance. "They always assured me things would work out; I needed to hang in there."

Key discoveries and achievements

Amid the challenges, significant discoveries were made. Notably, Moloi found that a drought-tolerant wheat variety suppressed photosynthesis as a potential strategy to avert oxidative stress damage, maintaining cell membrane integrity during stressful conditions. This unexpected turn stressed the complexity of plant survival mechanisms.

Moloi’s dedication and hard work culminated in significant achievements, including winning the best PhD poster in plant physiology at the 46th South Africa Association of Botanists Conference in 2020, 3rd Prize at the University of Johannesburg Postgraduate Symposium in 2023 and publishing two research articles in high-impact journals. These accomplishments are a testament to her research prowess and contribution to the field.

Developing essential skills

Beyond the research itself, the PhD journey fostered critical skills vital for future success. ‘Critical thinking, logical reasoning, and problem-solving’ were highlighted as key takeaways. "As a PhD student, your mind is constantly engaged in critically analysing results and providing logical reasoning. I believe these skills are valuable in tackling certain situations and providing solutions to problems."

Balancing life and research

Balancing research with other aspects of life proved challenging. "That was challenging, but I created a schedule that worked for me," the graduand explained. "This included dedicating certain days (weekends or holidays) or hours to specific tasks, such as lab work or writing. One thing I would advise a PhD student is that they should make time to rest to avoid burnout."

Contribution to food security

Moloi's research holds significant implications for global food security, a pressing issue in the face of climate change and a growing population. "I hope my research will provide insight into how wheat as a cereal crop thrives under drought stress conditions, and the information can be used by plant breeding initiatives in developing more drought-tolerant crops," she stated. "The opportunity to contribute to the field of plant stress biology – my research focuses on understanding plant response mechanisms under drought, and acquiring such information can address issues related to global food security."

Advice for future PhD candidates

For students embarking on their PhD journey, Moloi offered valuable advice: "This degree requires one to be highly motivated and ask for help whenever there are setbacks. There will always be setbacks in research; you need to go back to the drawing board and look for solutions." She also emphasised the importance of seeking support for mental and emotional well-being. "It is okay to feel overwhelmed; the work can be too much at times. Students need to ask for help. We have professionals on campus who can assist with mental or emotional issues."

Furthermore, Moloi shared personal lessons: "Time management and prioritising important tasks. I also learned that it is important to allow yourself to rest. This degree can affect your mental or emotional health." And a candid reflection: "I did not have much of a social life, and I spent most of my time in the lab."

Looking ahead

With a PhD in hand, Moloi aspires to become an expert in her field, collaborating with other researchers and mentoring future students. Her journey exemplifies the dedication, resilience, and intellectual curiosity required to excel in academia and contribute to addressing pressing global challenges.

The university provided essential support throughout her studies, ensuring access to facilities even during the COVID-19 pandemic. "I always had access to the facilities on campus to do my research, even during the COVID-19 pandemic."

Celebrating milestones along the way was crucial, with fellow postgraduates sharing in each other's achievements. "My fellow postgraduates and I often went out for lunch to celebrate everyone's achievements." And the support system was extensive: "Everyone – family, supervisors, friends, and colleagues.”

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New SRC: Records of support and a victory for women

2014-09-04

Ms Mosa Leteane and Ms Louzanne Coetzee
Photo: Johan Roux

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While campuses across South Africa regularly report falling voter turnout in campus elections of student representatives, the University of the Free State, in its recently completed SRC elections, registered record levels of support across our campuses with a total voter turnout of 44%. At the Bloemfontein Campus 34,4% of students voted (5052 votes) and 53,3% (1583 votes) at the Qwaqwa Campus.

Also, for the first time under the new SRC constitution, students elected a woman to lead the student body – Ms Mosa Leteane was elected as President. Another first was the election of a blind woman to the SRC – Ms Louzanne Coetzee. She will be responsible for student accessibility of our Bloemfontein SRC. This marks a victory for women in student governance.

Mr Tulasizwe Sithole was elected as the President of the SRC at our Qwaqwa Campus.

The election of Ms Leteane as President underscores the progress achieved for gender equality with near half of her SRC consisting of women (48%).

These successes are all the more significant, since this is the 4th year of elections under newly adopted SRC constitutions that allow for broader participation of diverse student constituencies in student governance.

This means that the crucial 3-year mark to test a new approach and method in governance and elections was not only successfully reached, but also in its 4th year shows the constitution as one that sustains its impact to deepen democracy and citizenship among our 30,000-strong student body.

“The results of the SRC elections across campuses show that our students are not only ready to lead our campus communities on issues relating to justice, freedom and democracy beyond our societal legacies of race and gender, but do so also for the student movement nationally. We’re immensely proud of our students, who show courage and resilience to choose leaders not for expediency, but for significance, and to lead not for some, but for all”, the Dean of Student Affairs, Rudi Buys, said.

The Qwaqwa SRC was installed on 2 September 2014, while the Bloemfontein SRC will be installed on 5 September. The Central SRC will be established on 14 September by joint sitting of the two SRCs.

The SRC members 2014/15 at the Bloemfontein and Qwaqwa Campuses are as follows:

Bloemfontein Elective portfolios:
President: Ms Mosa Leteane
Vice Pres: Mr Waldo Staude
Secretary: Ms Dineo Motaung
Treasurer: Ms Maphenye Maditsi
Arts & Culture: Mr Stefan van der Westhuizen
Accessibility & Student Support: Ms Louzanne Coetzee
First Generation Students: Ms Mpho Khati
Media, Marketing & Liaison: Ms Lethabo Maebana
Legal & Constitutional Affairs: Mr Lindokuhle Ntuli
Sport: Ms Dominique de Gouveia
Student development & Environmental Affairs: Mr Victor Ngubeni
Transformation: Mr Tumelo Rapitsi

Bloemfontein Ex officio Portfolios
Dialogue & Ex officio: Associations Student Council: Mr Piet Thibane
Academic Affairs & Ex officio: Academic Affairs Student Council: Mr Jonathan Ruwanika
Residence Affairs & Ex officio: Campus Residences Student Council: Ms Melissa Taljaard
City student Affairs & Ex officio: Commuter Student Council: Ms Kerry-Beth Berry
Post graduate Affairs & Ex officio: Post Graduate Student Council: Ms Masabata Mokgesi
International Affairs & Ex officio: International Student Council: Mr Makate Maieane
Student Media Affairs & Ex officio: Student Media Council: Mr Samuel Phuti
RAG Community Service & Ex officio: RAG Fundraising Council: Mr Johan du Plessis
RAG Community Service & Ex officio: RAG Community Service Council: Mr Manfred Titus

Qwaqwa Elective portfolios:
President General: Mr Thulasizwe Sithole
Deputy President: Ms Zethu Mhlongo
Secretary General: Mr Vukani Ntuli
Treasurer General: Mr Langelihle Mbense
Media & Publicity: Ms Nongcebo Qwabe
Politics & Transformation: Ms Nkosiphile Zwane

Qwaqwa Ex officio Portfolios
Student Development & Environmental Affairs: Mr Ndumiso Memela
Academic Affairs: Mr Simon Mofekeng
Arts & Cultural Affairs: Ms Samkelo Mtshali
Off-Campus Students: Mr Khanyisani Mbatha
RAG, Community Service & Dialogue: Mr Njabulo Mabaso
Religious Affairs: Mr Mfundo Nxumalo
Residence & Catering Affairs: Ms Ntombifuthi Radebe
Sports Council: Mr Luvuno

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