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Fellows Directory

Peter Horton

Professor Peter Horton FRS


Elected: 2010


Peter Horton is a plant biologist who researches the regulation of light-dependent reactions of photosynthesis, the process by which green plants use sunlight to make carbohydrates from carbon dioxide and water. He is widely recognised for his work in integrating knowledge of photosynthesis from the molecular to the environmental level.

He investigates the molecular processes used by plants to efficiently exploit limited light whilst also protecting themselves from excess light through its dissipation as heat — a mechanism that is important for plant survival. Peter is applying this research to find ways of genetically manipulating photosynthesis in order to increase its efficiency in crops, with the aim of increasing yield.

Peter’s research has the potential to produce crops that are better adapted to harsh environments and extreme climatic conditions. He is also involved in creating a multidisciplinary network of scientific experts who are working to solve global food sustainability and security issues.

Interests and expertise

Subject groups


Food security, Photosynthesis, Sustainability science