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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

Ensure your place at the UFS

2010-10-27

The University of the Free State (UFS) appeals to all prospective South African students who want to come and study at the UFS in 2011 to submit their applications no later than Tuesday, 30 November 2010.

The UFS is aware of the fact that learners will not have received their final Grade 12 results by Tuesday, 30 November 2010; therefore provisional admission will be granted based on learners’ most recent Grade 12 results. Final admission will take place upon receipt of the final Grade 12 results, which will be available early in January 2011.

Prospective students can obtain application forms for admission at the following places:

The UFS’s web site at www.ufs.ac.za,
The Information Office (Unit for Prospective Students) at the Thakaneng Bridge on the UFS’s Main Campus in Bloemfontein,
You may also send an e-mail to info@ufs.ac.za or
Phone 051 401 3000 and the necessary forms will be posted to you.

Senior undergraduate students (that is all students who were registered up to and during 2010 at the UFS) as well as post-graduate students, must self-register electronically on-line from Monday, 1 November 2010 until Tuesday, 4 January 2011. This includes master’s and doctoral students.

In order to encourage senior students to register online, the UFS offers 20 laptops as incentives for the senior students who successfully register online from 1 November 2010. These laptops will be handed over to the winners after the registration process in 2011.

Registration of first-year students:

The Rector and Vice-Chancellor, Prof. Jonathan Jansen, will welcome first-year students on Friday, 14 January and Saturday, 15 January 2011, respectively, in the Callie Human Centre. The Faculties of Economic and Management Sciences, the Humanities and Education will be welcomed on 14 January 2011 and the students of the Faculties of Natural and Agricultural Sciences, Law and Theology shall be welcomed on 15 January 2011. The compulsory orientation programme for new first-years will also then commence.

From 17 to 21 January 2011 first-year students will receive academic advice at the Callie Human Centre, whereafter they will be referred for self-registration. These processes will take place according to the set timetable. This timetable is available in the Kovsie Guide that will be sent to learners as soon as we have received their applications, as well as on the web site of the UFS at www.ufs.ac.za/register2011.

First-year students’ fees must be paid prior to arrival on 14 and 15 January 2011.

Registration of senior students:

Senior students who experience problems with the electronic on-line self-registration process have the opportunity to resolve problems within a programme on campus from Wednesday, 5 January until Wednesday, 12 January 2011. This programme will be sent out to students and is also available at www.ufs.ac.za/register2011. The specific scheduled day for senior students to resolve problems is the last and only day to resolve the problem.

Senior students can also contact 051 401 9111 for more information in this regard.

Students may register for prescribed modules for 2011, even though the November 2010 examination results are not yet available. Changes resulting from examination results that are made available later can be done up to and including 28 January 2011.

In terms of applications for senior students, only students who have interrupted a calendar year of study need to re-apply for admission.

Registration of students at the UFS’s Qwaqwa Campus:

Senior and first-year students of the UFS’s Qwaqwa Campus register from Wednesday, 12 January until Friday, 28 January 2011 in the Nelson Mandela Hall on this campus.

Registration of students at the UFS South Campus:

First-year students from the UFS’s South Campus in the University Preparation Programme and the Extended Programme (only Natural and Agricultural Sciences) register from Monday, 24 January till Friday, 28 January 2011 in the Arena Hall on the South Campus.

Students who have successfully completed the University Preparation Programme register with the first-year students on the UFS Main Campus on Friday, 14 and Saturday, 15 January 2011 – according to faculties (cf. paragraph 6).

Lectures for all students shall commence on Monday, 24 January 2011.

MEDIA RELEASE
Issued by: Lacea Loader
Director: Strategic Communication (actg)
Tel: 051 401 2584
Cell: 083 645 2454
E-mail: loaderl@ufs.ac.za
26 October 2010

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