Table 1. Average number of mutations in the four different treatments.

Species	Media	Total mutations1	Total mutations excluding mutator populations	Non-synonymous mutations2	Non-synonymous mutations excluding mutator populations2
E. coli	LB	147±141	57±18	41±33	21±15
	BHI	112±102	45±14	21±14	12±7
C. freundii	LB	370±57		144±23
	BHI	72±22		27±20

¹mean and 95% CI.

²includes SNPs, insertions and deletions.