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Table 1 Number of revertants in four different Salmonella typhimurium strains incubated with increasing concentrations of etanorin

From: Epanorin, a lichen secondary metabolite, inhibits proliferation of MCF-7 breast cancer cells

Treatment

Number of histidine + revertants

TA98

TA100

TA102

TA104

S9−

S9+

S9−

S9+

S9−

S9+

S9−

S9+

Spontaneous revertions

30 ± 2

22 ± 4

40 ± 7

38 ± 6

345 ± 43

328 ± 28

315 ± 23

365 ± 48

DMSO

26 ± 6

24 ± 3

42 ± 3

39 ± 7

305 ± 32

324 ± 35

363 ± 32

321 ± 24

Standard mutagensa

87 ± 14

968 ± 192

320 ± 66

790 ± 59

1416 ± 34

4848 ± 113

2069 ± 125

4625 ± 167

E 0.125 µg/plate

26 ± 6

29 ± 2

52 ± 5

56 ± 6

352 ± 25

359 ± 9

384 ± 46

361 ± 52

E 12.5 µg/plate

26 ± 4

27 ± 1

50 ± 4

40 ± 3

306 ± 19

352 ± 21

325 ± 41

374 ± 28

E 125 µg/plate

22 ± 6

22 ± 2

47 ± 9

40 ± 6

296 ± 47

340 ± 21

359 ± 36

346 ± 44

  1. aStandard mutagens: 4-nitroquinoline-N-oxide for TA98, methylmethanesulfonate for TA100 and TA102 and methylglyoxal for TA104