Together with Bacteria and Eukarya, the Archaea make up the three domains of the tree of life. Originally, it was thought that Archaea were a type of Bacteria, typified by their ability to live in ...

His research is focussed on DNA replication, recombination, and repair. He has used microbial genetics to unravel the mechanisms that underpin genome stability in Bacteria, Eukarya, and Archaea.