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13 May 2025 | Story André Damons | Photo Supplied
Prof Martin Nyaga
Prof Martin Nyaga, Full Professor in the Division of Virology and Head of the Next Generation Sequencing Unit (UFS-NGS Unit) at the University of the Free State.

Prof Martin Nyaga, an NRF B-Rated Full Professor in the Division of Virology and Head of the Next Generation Sequencing (UFS-NGS) Unit at the University of the Free State (UFS), has been selected as one of the cohort II fellows of the prestigious Calestous Juma Science Leadership Fellowship

Prof Nyaga, who is one of 12 individuals from six African countries (Ethiopia, Ghana, Kenya, Malawi, South Africa, and Zambia) selected to this cohort, says he is profoundly honoured. Through the prestigious fellowship, inspired by Professor Juma’s visionary legacy, he envisions advancing Africa’s capacity to combat infectious diseases by developing robust, mNGS-based surveillance systems that detect and characterise emerging pathogens early enough.

“The opportunity to join a cohort of exceptional African scientists, united by a shared commitment to addressing global health challenges, is both humbling and inspiring. I feel a deep sense of responsibility to uphold the fellowship’s mission of fostering sustainable development through cutting-edge research and policy engagement, particularly in the context of my work on genomic disease surveillance. 

“I am deeply inspired by Professor Calestous Juma’s legacy of harnessing science for sustainable development, and I am committed to embodying his optimism and interdisciplinary approach. The fellowship represents a transformative platform to advance scientific innovation and leadership in Africa. I would like to extend my gratitude to the Gates Foundation for this opportunity, and I look forward to contributing to a transformative era of African scientific leadership,” says Prof Nyaga.

 

Advantages of the Fellowship

The Calestous Juma Science Leadership Fellowship focuses on bringing together accomplished innovators to form a community of global health opinion shapers and influencers. The programme provides targeted professional development to support fellows as they expand their networks, amplify their voices, and continue to build and strengthen a dynamic, resilient research & development (R&D) ecosystem that changes the lives of people living not only in Africa but around the world.

Among the new cohort are experts in virology (including HIV and rota), bacteriology (including TB and strep), immunology, malaria, modelling, maternal immunisation, epidemiology, chemistry, drug discovery and development, vaccine discovery, clinical trials, and controlled human infection models to name just a few examples. 

According to Prof Nyaga, Director of a WHO Collaborating Centre for Vaccine Preventable Diseases (VPD) Surveillance and Pathogen Genomics, selection for the Fellowship is a rigorous and competitive process, designed to identify African scientists with exceptional research portfolios and leadership potential. Candidates are typically invited based on their established track record in transformative science, as well as their ability to anchor health and R&D initiatives within their communities. Successful applicants are evaluated for their scientific excellence, interdisciplinary networks, and commitment to mentoring the next generation of African scientists, aligning with the fellowship’s holistic view of leadership.

The NRF B3-rated scientist says he is eager to engage with the fellowship’s vibrant community of scientists from multiple African countries, fostering collaborations that amplify our collective impact on global health. He anticipates benefiting from the fellowship’s non-scientific training in communication, policy engagement, and institution strengthening. Participating in networking opportunities will broaden his perspectives and strengthen his capacity to drive innovative solutions in Africa’s genomic R&D ecosystem.

“I believe my work in pathogen surveillance research using genomics, aligns closely with the fellowship's objectives. As a fellow, I bring a wealth of experience in leading multi-country projects, establishing regional collaborations, and fostering capacity development through training and mentorship. 

“In addition, my ongoing work at the UFS-NGS Unit, including projects on enteric and respiratory virus surveillance, vaccine monitoring and efficacy using next generation sequencing, which will enrich discussions on public health. Conversely, the fellowship will enhance my scientific development by providing advanced training in leadership and policy advocacy, enabling me to translate research findings into actionable health policies. This synergy will elevate my capacity to lead transformative R&D initiatives and mentor future African scientists.” 

 

Contributing to the betterment of people 

Prof Nyaga believes his research on vaccine efficacy and metagenomics of gut and respiratory virome will contribute to the betterment of not only Africans, but also people around the world by informing targeted interventions in vaccine efficacy monitoring and development. This research will also contribute to the reduction of morbidity and mortality applicable to enteric and respiratory infections in vulnerable populations. 

Furthermore, he explains, the fellowship’s emphasis on networking and policy engagement will amplify these efforts, enabling him to advocate for evidence-based health policies across Africa. Globally, their collective work as Calestous Juma Science Leadership fellows will strengthen the R&D ecosystem, fostering innovation that addresses pandemic preparedness and other health challenges. By building resilient scientific communities, the fellowship will contribute to sustainable development, improving lives in Africa and beyond.

News Archive

Plant eco-physiologist finds effective solutions for crop optimisation
2016-07-24

Description: Orange trees Tags: Orange trees

The bio-stimulant was tested on
this citrus. This is the first time
that the product has been tested
on a crop.

In a time characterised by society facing increasing population growth, food crises, and extreme climatic conditions such as drought, it is essential for farmers to integrate science with their work practices in order to optimise crops.

Role of photosynthesis and plant sap data

By knowing how to use photosynthesis and plant sap data for determining plant health, fast and effective solutions could be established for the optimisation of crops. This technique, which could help farmers utilise every bit of usable land effectively, is the focus of Marguerite Westcott’s PhD study. She is a junior lecturer and plant eco-physiologist in die Department of Plant Sciences at the University of the Free State.

Westcott uses this technique in her studies to prove that a newly-developed bio-stimulant stimulates plants in order to metabolise water and other nutrients better, yielding increased crops as a result.

Agricultural and mining sectors benefit from research

The greatest part of these projects focuses on the agricultural sector. Westcott and a colleague, Dr Gert Marais, are researching the physiology of pecan and citrus trees in order to optimise the growth of these crops, thus minimising disease through biological methods. Field trials are being conducted in actively-producing orchards in the Hartswater and Patensie areas in conjunction with the South African Pecan Nut Producers Association (SAPPA) amongst others.
 
The principles that Westcott applies in her research are also used in combination with the bio-stimulant in other studies on disturbed soil, such as mine-dump material, for establishing plants in areas where they would not grow normally. This is an economical way for both the agricultural and mining sectors to improve nutrient absorption, stimulate growth, and contribute to the sustainable utilisation of the soil.

Description: Pecan nut orchards  Tags: Pecan nut orchards

The bio-stimulant contributes to the immunity of the plants.
It was tested in these pecan nut orchards (Hartswater).

Soil rehabilitation key aspect in research projects

“One of two things is happening in my research projects. Either the soil is rehabilitated to bring about the optimal growth of a plant, or the plants are used to rehabilitate the soil,” says Westcott.

Data surveys for her PhD studies began in 2015. “This will be a long-term project in which seasonal data will be collected continuously. The first set of complete field data, together with pot trial data, will be completed after the current crop harvest,” says Westcott.

 

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