Bio

My research lies at the interface between infectious diseases and evolutionary biology. I have contributed several articles and received multiple awards including an NIH R01 grants to study the evolutionary adaptation of mosquito populations to vector control tools.

Awards and Honors

• Travel Award - Multilateral Initiative on Malaria (MIM) (01/01/2009-12/31/2009)
• Travel Award - American Society of Tropical Medicine and Hygiene (01/01/2007-12/31/2007)
• Young Investigator Award - Cameroon Society of Biosciences (01/01/1999-12/31/1999)

• Ph D in Biochemistry, University of Yaounde I (2012)
• MS in Biochemistry, University of Yaounde I (1999)

Publications

• Field-evolved resistance to neonicotinoids in the mosquito, Anopheles gambiae, is associated with mutations of nicotinic acetylcholine receptor subunits combined with cytochrome P450-mediated detoxification Pesticide Biochemistry and Physiology (2024), Caroline M. Fouet, Matthew J. Pinch, Fred Ashu, Marilene Ambadiang, Calmes Bouaka, Anthony Batronie, Cesar Hernandez, Desiree Rios, Veronique Penlap-Beng, Colince Kamdem Djoko.
• Field-evolved resistance to neonicotinoids in the mosquito, Anopheles gambiae, is associated with mutations of nicotinic acetylcholine receptor subunits combined with cytochrome P450-mediated detoxification Pesticide Biochemistry and Physiology (2024), Caroline M. Fouet, Matthew J. Pinch, Fred Ashu, Marilene Ambadiang, Calmes Bouaka, Anthony Batronie, Cesar Hernandez, Desiree Rios, Veronique Penlap-Beng, Colince Kamdem Djoko.
• Adult mosquitoes of the sibling species Anopheles gambiae and Anopheles coluzzii exhibit contrasting patterns of susceptibility to four neonicotinoid insecticides along an urban-to-rural gradient in Yaoundé, Cameroon Malaria Journal (2024), Fred Ashu, Caroline M. Fouet, Marilene Ambadiang, Veronique Penlap-Beng, Colince Kamdem Djoko.
• Adult mosquitoes of the sibling species Anopheles gambiae and Anopheles coluzzii exhibit contrasting patterns of susceptibility to four neonicotinoid insecticides along an urban-to-rural gradient in Yaoundé, Cameroon Malaria Journal (2024), Fred Ashu, Caroline M. Fouet, Marilene Ambadiang, Veronique Penlap-Beng, Colince Kamdem Djoko.
• Anopheles gambiae larvae’s ability to grow and emerge in water containing lethal concentrations of clothianidin, acetamiprid, or imidacloprid is consistent with cross-resistance to neonicotinoids Parasites & Vectors (2024), Marilene Ambadiang, Caroline M. Fouet, Fred Ashu, Calmes Bouaka, Veronique Penlap-Beng, Colince Kamdem Djoko.

Presentations

• Unravelling the phenotypic and genomic divergence within sub-populations of the major malaria vector Anopheles gambiae (2023), Volume Addis Ababa, Ethiopia, Marilene Ambadiang, Colince Kamdem Djoko.
• Vegetable oil surfactants are synergists that can bias neonicotinoid susceptibility testing in adult mosquitoes. (2023), Volume Addis Ababa, Ethiopia, Ayukarah F. Ashu, Colince Kamdem Djoko.
• High survivorship of anopheles gambiae larvae to lethal concentrations of clothianidin, acetamiprid or imidacloprid is consistent with cross-resistance to neonicotinoids (2023), Volume New Orleans, Marilene Ambadiang, Colince Kamdem Djoko.
• Cross-resistance to neonicotinoids in anopheles gambiae associated with agricultural use of pesticides (2022), Volume Kigali, Rwanda, Colince Kamdem Djoko, Ayukarah F. Ashu.
• High survivorship of anopheles gambiae to sublethal doses of neonicotinoids suggesting resistance selection at larval stages. (2022), Volume Kigali, Rwanda, Marilene Ambadiang, Colince Kamdem Djoko.

• STARs (11/01/2022 - 08/31/2025) UT System
• Monitoring the development of resistance to the novel insecticide clothianidin in Anopheles gambiae (05/01/2023 - 04/30/2025) National Institutes of Health