Table 1.

The nine beneficial mutations for the phage ID11 selected for rapid growth at 37°C on Escherichia coli C (Rokyta et al. 2005)

Genome positiona	Nucleotide substitution	Amino acid positionb	Amino acid substitution	Fitnessc	SEd
Ancestor				3.65	0.15
3864	A → G	F421	D → G	4.06	0.16
3567	A → G	F322	N → S	4.19	0.12
2609	G → T	F3	V → F	4.39	0.13
3857	A → G	F419	T → A	4.76	0.14
3543	C → T	F314	A → V	4.78	0.15
2520	C → T	J15	A → V	4.82	0.15
3850	G → A/T	F416	M → I	4.86	0.15
3665	C → T	F355	P → S	5.01	0.14
2534	G → T	J20	V → L	5.08	0.13

^aPosition corresponds to the published sequence of ID11 (GenBank accession number AY751298)

^bThe letter indicates the gene name and the number gives the amino acid position

^cFitness is measured as the log₂ increase in population size per 15 min

^dBased on 10 replicates