Table 1.

Distribution of mutations leading to Rif^r in D. radioduran wild type and △RecJ strain

Amino acid change	Base pair change	Wild-type strain (50 colonies for sequencing)	△RecJ (50 colonies for sequencing)
Deletion (1310–18 bp)	-	14	2
Deletion (1318–26 bp)	-	9	0
S438P	AT→GC	8	9
L440P	AT→GC	2	8
L440R	AT→CG	2	4
D445N	GC→AT	5	3
H455Y	GC→AT	1	5
H455P	AT→CG	8	11
H455N	GC→TA	0	2
G463R	GC→AT	0	2
G499S	GC→AT	1	4
Total point mutations		27	48
Point mutations/total mutations		0.54	0.96