Abstract Summary: The 32-bit Windows application START is implemented using Visual Basic and C++ and performs analyses to aid in the investigation of bacterial population structure using multilocus sequence data. These analyses include data summary, lineage assignment, and tests for recombination and selection. Availability: START is available at http://outbreak.ceid.ox.ac.uk/software.htm. Contact: keith.jolley@ceid.ox.ac.uk * To whom correspondence should be addressed.

Sequence type analysis and recombinational tests (START)