Skip to main content
. 2022 Nov 24;21:250. doi: 10.1186/s12934-022-01967-2

Table 1.

Ames test performed for SCA employing the histidine-requiring Salmonella typhimurium mutant TA98 and TA100 strains

Salmonella typhimurium TA98 Salmonella typhimurium TA100
− S9  + S9 − S9  + S9
average SD t/c average SD t/c average SD t/c average SD t/c
DMSO 20,7 5,1 1.0 37,3 3,2 1.0 165.7 6.8 1.0 181.0 7.0 1.0
C +  1141,7 99,1 55.2 1302,0 59,2 34.9 1001.7 56.1 6.0 2477.3 110.0 13.7
1 17,7 5,5 0.9 43,7 5,9 1.2 163.0 8.5 1.0 179.3 15.2 1.0
5 23,7 2,1 1.1 43,3 3,8 1.2 164.3 6.1 1.0 181.7 9.6 1.0
10 23,3 2,5 1.1 41,3 3,5 1.1 158.0 5.0 1.0 185.3 14.7 1.0
50 25,3 4,5 1.2 39,3 2,9 1.1 157.0 7.0 0.9 205.7 10.5 1.1
100 20,3 2,1 1.0 41,3 2,9 1.1 166.7 5.0 1.0 194.3 8.0 1.1

t/c number of revertant colonies in treated plates/number of revertant colonies in untreated plates

aSignificant values according to Ames computation

DMSO, C + : negative and positive controls respectively, SD standard deviation