John Innes Centre, Norwich Research Park, Norwich, UK.|Department of Biology and Chemistry, City University of Hong Kong, Kowloon Tong, Hong Kong SAR, China.|John Innes Centre, Norwich Research Park, Norwich, UK.|John Innes Centre, Norwich Research Park, Norwich, UK.|John Innes Centre, Norwich Research Park, Norwich, UK.|Department of Biomedical Engineering and Genome Center, UC Davis, Davis, CA, USA.|John Innes Centre, Norwich Research Park, Norwich, UK.