Dr Toni Chapman is a Senior Research Scientist at at NSWDPI specialising in molecular bacteriology. Her research includes molecular studies on pathogens and commensal of animals, plants and insect hosts and gut community microflora and development of probiotic formulations against target pathogens. She also studies of Bactrocera fruit fly genetic evolution, taxonomy and evolution of bacteria using whole genome sequencing. Toni also works in Plant Biosecurity Research and Diagnostics, approaching plant biosecurity through understanding and identifying bacterial pathogens through both traditional and genomic identification and characterization.