Original Article

Mutagenic Activity of Indigofera truxillensis and I. suffruticosa Aerial Parts

Table 1

Mutagenic activity expressed as the mean and SD of the number of revertants/plate in bacterial strains TA98, TA100, TA97a and TA102 exposed to MeOH extract and fractions A, B and C of I. truxillensis at various doses, with (+S9) or without (−S9) metabolic activation.

Treatments mg/plateRevertants/plate in S. typhimurium strains
TA98TA97aTA100TA102
−S9 +S9 −S9 +S9 −S9 +S9 −S9 +S9

MeOH extract
043 ± 2.736 ± 2.0131 ± 1.5139 ± 2.5163 ± 4.2145 ± 9.5242 ± 9.2223 ± 11.9
1.2555 ± 4.6* (1.3)41 ± 2.3 (1.1)143 ± 5.0 (1.1)131 ± 2.5 (0.9)184 ± 8.7 (1.1)151 ± 14.5 (1.0)271 ± 4.0 (1.1)219 ± 7.9 (0.9)
2.5057 ± 1.5** (1.3)38 ± 7.6 (1.1)143 ± 3.1 (1.1)129 ± 10.7 (0.9)186 ± 7.6 (1.1)145 ± 3.0 (1.0)254 ± 1.5 (1.0)223 ± 11.0 (1.0)
3.7587 ± 2.0** (2.0)42 ± 2.0 (1.3)147 ± 2.1 (1.1)137 ± 6.8 (0.9)194 ± 4.0 (1.2)149 ± 11.9 (1.0)258 ± 1.0 (1.1)238 ± 6.7 (1.1)
5.0077 ± 6.1** (1.8)45 ± 4.2 (1.3)148 ± 5.0 (1.1)142 ± 16.1 (1.0)180 ± 6.2 (1.1)141 ± 7.6 (0.9)264 ± 4.0 (1.1)228 ± 5.3 (1.0)
7.5075 ± 5.0** (1.7)51 ± 3.1(1.4)159 ± 7.8 (1.2)134 ± 16.0 (0.9)173 ± 5.0 (1.1)140 ± 5.5 (0.9)280 ± 35.6 (1.2)249 ± 11.0 (1.1)
Fraction A (glycerolipids)
029 ± 2,131 ± 2.7141 ± 8.0143 ± 4.0148 ± 2.5143 ± 5.0239 ± 16.7210 ± 11.1
0.1238 ± 4.6 (1.3)31 ± 3.6 (1.0)143 ± 13.5 (1.0)137 ± 5.3 (0.9)163 ± 26.1 (1.1)155 ± 4.2 (1.1)267 ± 14.1 (1.1)235 ± 13.1 (1.1)
0.3832 ± 5.3 (1.1)30 ± 1.5 (0.9)138 ± 4.6 (0.9)143 ± 4.0 (1.0)151 ± 4.2 (1.0)149 ± 7.0 (1.0)247 ± 7.6 (1.0)236 ± 10.3 (1.1)
0.7542 ± 13.5 (1.4)40 ± 4.5 (1.3)132 ± 7.8 (0.9)148 ± 3.6 (1.0)164 ± 13.9 (1.1)165 ± 13.6 (1.2)245 ± 5.9 (1.0)251 ± 5.1 (1.2)
1.5039 ± 5.6 (1.3)35 ± 3.6 (1.1)144 ± 8.4 (1.0)138 ± 7.6 (0.9)183 ± 14.1 (1.2)166 ± 3.1 (1.2)250 ± 6.1 (1.0)254 ± 5.6 (1.2)
2.5040 ± 4.1 (1.4)39 ± 6.0 (1.3)138 ± 4.6 (0.9)143 ± 6.1 (1.0)173 ± 10.1 (1.2)175 ± 7.6 (1.2)251 ± 6.9 (1.0)255 ± 7.2 (1.2)
Fraction B (flavonoids)
029 ± 2,131 ± 2.7141 ± 8.0143 ± 4.0148 ± 2.5143 ± 5.0239 ± 16.7210 ± 11.1
0.1232 ± 4.0 (1.1)30 ± 5.9 (0.9)142 ± 20.0 (1.0)145 ± 7.9 (1.0)144 ± 14.2 (0.9)145 ± 4.2 (1.0)223 ± 11.0 (0.9)224 ± 6.0 (1.1)
0.3840 ± 2.5* (1.4)40 ± 8.7 (1.3)132 ± 7.0 (0.9)142 ± 3.1 (0.9)140 ± 1.5 (0.9)145 ± 6.5 (1.0)198 ± 12.5 (0.8)206 ± 11.4 (0.9)
0.7542 ± 4.0** (1.4)40 ± 7.5 (1.3)138 ± 3.6 (0.9)146 ± 5.1 (1.0)145 ± 13.2 (0.9)156 ± 12.4 (1.1)213 ± 23.3 (0.9)216 ± 17.1 (1.0)
1.5050 ± 4.9** (1.7)49 ± 6.4* (1.6)156 ± 9.3 (1.1)146 ± 5.9 (1.0)155 ± 5.0 (1.0)154 ± 6.5 (1.1)246 ± 7.4 (1.0)232 ± 13.6 (1.1)
2.5057 ± 5.0**(1.9)49 ± 4.6* (1.6)158 ± 3.2 (1.1)151 ± 7.8 (1.1)136 ± 4.6 (0.9)142 ± 7.9 (0.9)250 ± 8.5 (1.0)234 ± 11.0 (1.1)
Fraction C (alkaloids)
043 ± 2.736 ± 2.0131 ± 1.5139 ± 2.5163 ± 4.2145 ± 9.5242 ± 9.2223 ± 11.9
0.1237 ± 4.0 (0.9)33 ± 5.0 (0.9)133 ± 4.5 (1.0)126 ± 6.6 (0.9)165 ± 3.6 (1.0)132 ± 3.1 (0.9)241 ± 7.1 (0.9)220 ± 4.5 (0.9)
0.3843 ± 2.5 (1.0)36 ± 6.0 (1.0)146 ± 7.0 (1.1)136 ± 9.1 (0.9)178 ± 3.1 (1.1)142 ± 2.0 (0.9)256 ± 21.6 (1.1)224 ± 9.9 (1.0)
0.7544 ± 1.5 (1.0)34 ± 11.1 (0.9)136 ± 8.6 (1.0)133 ± 4.5 (0.9)183 ± 4.0 (1.1)144 ± 4.6 (0.9)294 ± 12.9 (1.2)223 ± 14.1 (1.0)
1.5072 ± 9.7* (1.7)45 ± 3.1 (1.3)152 ± 13.1 (1.2)146 ± 4.0 (1.1)189 ± 3.5 (1.1)141 ± 10.0 (0.9)310 ± 2.0 (1.3)224 ± 11.2 (1.0)
Control +608 ± 71.52663 ± 35.4711 ± 12.1761 ± 28.0914 ± 17.6886 ± 49.31076 ± 57.11082 ± 72.9

MeOH: methanolic extract; 0 = negative control (DMSO—100 μl/plate); Control +: Positive control.
4-Nitro-o-phenylenediamine (10.0 μg/plate); 2-anthramine (1.25 μg/plate); Sodium azide (1.25 μg/plate); Mitomycin C (0.5 μg/plate).
* P < .05, **P < .01 (ANOVA). The values in brackets are MI values.