Evolution of mobile genetic elements
Characterizing the evolution of mobile genetic elements involved in plant/microbe interactions and symbioses.
Research
Genomic epidemiology
Population genomics and genomic epidemiology of microbial pathogens and MGEs 
Determinants of host range and MGE compatibility
What determines the host range of a pathogen or symbiont? What confers or restricts the host range of a mobile genetic element? 