On May 29, 2026, Maffo Tatsinkou Claudine Grace successfully defended her PhD in Animal Biology and Physiology at the Faculty of Science, University of Yaoundé I, earning the highest distinction for her outstanding academic work.
Maffo Claudine ad her CRID supervisors
Her doctoral research, titled “Characterization of Bacterial Biodiversity in Major Malaria Vectors in Several Regions of Cameroon and Evaluation of the Impact of Asaia sp. Bacteria on the Life Traits of Anopheles coluzzii,” was conducted under the PIIVEC project. The study explores innovative approaches to malaria control through a deeper understanding of mosquito-associated microbiota.
Key Scientific Contributions
Dr. Maffo’s research provides significant insights into the microbiological dynamics of malaria vectors in Cameroon. Her findings reveal that the main malaria vectors, Anopheles gambiae and Anopheles coluzzii, harbor a high diversity of bacteria. This diversity is strongly influenced by mosquito species, geographical location, and seasonal variations, demonstrating a clear spatiotemporal organization of microbiota linked to local eco-epidemiological conditions.
The study also highlights the widespread presence of Asaia spp., a bacterial symbiont commonly associated with mosquitoes. Infection levels were found to vary across different populations, underlining its ecological importance. However, the research points to a complex relationship between Asaia spp. and Plasmodium parasites, indicating the need for further investigation.
Importantly, experimental results showed no detectable harmful effects of Asaia spp. on the major life-history traits of Anopheles coluzzii. This suggests that the bacterium could serve as a promising candidate for innovative malaria control strategies, particularly those based on microbiota manipulation.
Recognition of Excellence
The research was supervised by Prof. Charles Wondji of the Liverpool School of Tropical Medicine (LSTM) and Prof. Njiokou Flobert of the University of Yaoundé I (UYI). The defense was evaluated by a six-member jury chaired by Prof. Fomena Abraham.
Following a rigorous examination, the jury praised the originality, scientific rigor, and relevance of the work. In recognition of its exceptional quality, Dr. Maffo was awarded the highest distinction, marking a remarkable academic achievement.
Dr. Maffo Tatsinkou Claudine Grace’s success represents a significant contribution to malaria research and public health innovation. Her work opens new pathways for tackling malaria through microbiota-based strategies, offering hope for more sustainable and effective interventions in Africa.
Congratulations, Dr. Maffo!
