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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.”

News Archive

Full week of graduation ceremonies at UFS in April

2015-04-10

Autumn always sees the UFS’s first graduation ceremony of the year on the Bloemfontein Campus.

From 14 – 17 April 2015, graduates will once again be rewarded for their hard work while top speakers will address them in the Callie Human Centre. There will be a ceremony at 09:00 and at 14:30 each day on all four days of the graduation.

The programme for the 2015 April Graduation is as follows:

Tuesday 14 April 2015:

Professor Himla Soodyall will be the speaker at both ceremonies on this day. Prof Soodyall is a Medical Scientist for the South African Institute for Medical Research. She is also a Principal Medical Scientist for the National Health Laboratory Service, and a Director for the Human Genome Diversity and Disease Research Unit at the University of Witwatersrand.

During the first ceremony of the day at 09:00, all diplomas/certificates and B degrees in the Faculty of Natural and Agricultural Sciences will be awarded. Only Honours degrees in the Faculty of Natural and Agricultural Sciences will be awarded at the 14:30 ceremony.

Wednesday 15 April 2015:

Wednesday will see Ndumiso Hadebe take the stage to address graduates at both ceremonies.

At the age of 23, Hadebe is the Founder and Managing Director of Master Frontiers Consulting, a firm that capacitates leaders and managers to achieve business goals through their people. He worked previously as a Researcher at Shanduka Black Umbrellas, a flagship enterprise and supplier development programme of the Shanduka Foundation.

He has been received numerous awards for excellence in leadership, such as the Sedibeng District Municipal Mayor’s Award for Service and Leadership. He is a Brand South Africa Ambassador and Read Educational Trust Ambassador.

All diplomas/certificates, B and Honours degrees in the Faculty of Economic and Management Sciences, except B Com degrees, will be awarded during the morning ceremony at 09:00. Later, at the 14:30 ceremony, only B Com degrees in the Faculty of Economic and Management Sciences will be awarded.

Thursday 16 April 2015:

Multiple award winning South African TV presenter, Leanne Manas, will be the speaker at both Thursday ceremonies.

Manas has graced our screens for over a decade. Not many broadcasters can boast having had live TV experience, 5 days a week for 12 years. She is currently the anchor of SABC 2’s flagship breakfast programme, Morning Live. Leanne is a qualified Speech and Drama teacher. having studied at London Trinity College. She also has an Honours degree in English.
Diplomas/certificates up to and including Honours degrees in the Faculty of the Humanities, Social Sciences, and Communication Sciences will be awarded during the ceremony at 09:00. The 14:30 ceremony will have diplomas/certificates up to and including Honours degrees in the Faculty of the Humanities’ other qualifications except for Social Sciences and Communication Sciences.

Friday 17 April 2015:

Dr Maria Phalime will be the speaker at both ceremonies on Friday.

Phalime is a medical doctor and award-winning author. She practiced for a brief period as a general practitioner in South Africa and the United Kingdom, before leaving medical practice to pursue non-clinical interests. She has worked in trade and investment promotion, and has undertaken research and consulting in the areas of economic development and business facilitation.

Diplomas/certificates up to and including Honours degrees in the Faculty of Education (CE, NPDE and ACE excluded) will be awarded during the ceremony at 09:00. Diplomas/certificates up to and including Honours degrees in the Faculties of Health Sciences, Law, and Theology will be awarded at the 14:30 ceremony.

Click here for the simple layout of the 2015 April Graduation programme:
http://www.ufs.ac.za/adhoc-pages/2014-graduation-ceremony/graduation-ceremony

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