My research focuses on small RNA pathways, which are found in most animals and plants, and function in antiviral defence, gene regulation and genome stability. I am interested in how different these pathways are between species, and how these differences have evolved. In particular, I am interested in how coevolution between hosts and pathogens has driven changes in small RNA pathways.

My previous work has focused on the evolution of the Argonaute gene, which is a key part of all small RNA pathways. I have analysed Argonaute evolution across the Diptera, within the Drosophila obscura group, and in the tick Ixodes scapularis.