Table 2. Detoxification enzyme activities in adults of the populations of Martinique and the laboratory strains: cytochrome P450 monooxygenases (P450s; nmol P450 U/mg protein), Esterase (α and β-CCEs; α/β-Naphtol/min/mg protein) and Glutathione-S-transferases (GSTs; GSH/min/mg protein).
Strain | n | P450 (± sd) | Esterases α (± sd) | Esterases β (± sd) | GST (± sd) |
Bora1 | 47 | 0,039 (±0,0046) | 0,108 (±0,0153) | 0,077 (±0,0169) | 0,020 (±0,0485) |
SBE1 | 47 | 0,028 (±0,0032)* | 0,081 (±0,0092)* | 0,071 (±0,0131) | 0,015 (±0,0902) |
AJPB | 47 | 0,054 (±0,0059)* | 0,110 (±0,0095) | 0,081 (±0,0138) | 0,072 (±0,0406)* |
SPIER | 47 | 0,053 (±0,0112)* | 0,104 (±0,0263) | 0,074 (±0,0195) | 0,037 (±0,0429)* |
GRMN | 47 | 0,043 (±0,0049)* | 0,103 (±0,0144) | 0,061 (±0,0145) | - |
SJOS | 47 | 0,045 (±0,007)* | 0,146 (±0,0308)* | 0,085 (±0,0211) | - |
LAM | 47 | 0,056 (±0,0062)* | 0,111 (±0,0139) | 0,074 (±0,0153) | 0,021 (±0,0559) |
FDF | 47 | 0,050 (±0,0044)* | 0,114 (±0,0118) | 0,073 (±0,0129) | 0,039 (±0,0498) |
VCLN | 47 | 0,054 (±0,0081)* | 0,120 (±0,0189)* | 0,072 (±0,0148) | 0,038 (±0,0492)* |
RSAL | 47 | 0,040 (±0,0087) | 0,104 (±0,0227) | 0,064 (±0,0173) | 0,064 (±0,0452)* |
SAN | 47 | 0,053 (±0,0079)* | 0,125 (±0,0127)* | 0,098 (±0,0188)* | 0,051 (±0,0463)* |
Susceptible reference strains.
*: Values significantly different in field-caught populations comparatively to the Bora laboratory strain (Mann and Whitney's test, p<0.05). sd: standard deviation.