Table 3.
Association between mutations at codon 1534 of the voltage-gated sodium channel gene and phenotypic resistance to deltamethrin in two Aedes albopictus populations from Guangzhou, China
| Area | Population | Phenotype | n | Genotype | Odds ratio (95% CI) | P-value of Fisher’s exact probability test | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FF | FS | SS | FL | LL | SL | F1534S | F1534 L | F1534S | F1534 L | ||||
| Urban | UBT | R | 12 | 0 | 0 | 9 | 1 | 0 | 2 | 33.6 (4.26–263.97) | 15.7 (1.46–168.08) | < 0.0001* | 0.023* |
| S | 42 | 16 | 12 | 6 | 3 | 1 | 4 | ||||||
| UYS | R | 20 | 0 | 1 | 2 | 1 | 6 | 10 | 9.3 (1.94–44.55) | 19.8 (4.17–93.99) | 0.001* | < 0.0001* | |
| S | 37 | 8 | 9 | 5 | 6 | 3 | 6 | ||||||
Abbreviations: R resistant, S susceptible, FF homozygous phenylalanine/phenylalanine, FS heterozygotes phenylalanine/ leucine, SS homozygous serine/serine, FL heterozygotes phenylalanine/ leucine, LL homozygous leucine/ leucine, SL heterozygotes serine/leucine
*P < 0.05