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Department of Plant Sciences


Research group 


Research overview

I investigate how virus infection influences interactions of plants with other organisms and plants’ ability to withstand environmental stresses. My research interests include viral subversion of plant resistance, viral gene expression, plant-virus-insect vector interactions, and the effects of virus infection on interactions of plants with beneficial insects such as pollinators. I collaborate extensively on these topics internationally, and particularly with colleagues in sub-Saharan Africa.

School of Biological Sciences theme affiliations


I teach on the Natural Sciences Tripos units IA Physiology, IB Plant and Microbial Sciences and Part II Plant Sciences.

Previous positions 

1993-present Research Group Leader, Department of Plant Sciences, University of Cambridge
1989-1993 Senior Research Associate, Department of Plant Pathology, Cornell University
1985-1989 Research Associate, Waksman Institute of Microbiology, Rutgers University
1984-1985 Postdoctoral Fellow, School of Medicine, University of Utah


2023 ScD, University of Cambridge
1980-1984 PhD in Biochemistry, University of Liverpool
1977-1980 BSc Biochemistry, University of Liverpool



Key publications 


All publications 


Awards and fellowships

  • Fellow of the Linnean Society
  • Fellow of the Royal Society of Biology


  • Member, Management Board of the Global Challenges Research Fund Community Network for African Vector-Borne Plant Viruses (CONNECTED)
  • Member, Steering Committee, Cambridge Global Food Security Interdisciplinary Research Centre
  • Member, Steering Committee, Cambridge Infectious Diseases Interdisciplinary Research Centre
  • Associate Editor, New Phytologist
  • Editorial Board Member, Virology
Head of Virology and Molecular Plant Pathology Group
Department Safety Officer
Professor John Carr

Contact Details

Email address: 
Department of Plant Sciences,
Downing Street,
01223 766416