Susceptibility to chlorpyrifos in pyrethroid-resistant populations of Aedes aegypti (Diptera: Culicidae) from Mexico.
Susceptibility to chlorpyrifos in pyrethroid-resistant populations of Aedes aegypti (Diptera: Culicidae) from Mexico.
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DOI：
10.1603/me13185
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发表时间：
2014-05
影响因子：
2.1
通讯作者：
Flores AE
中科院分区：
文献类型：
--
作者：
Lopez B;Ponce G;Gonzalez JA;Gutierrez SM;Villanueva OK;Gonzalez G;Bobadilla C;Rodriguez IP;Black WC 4th;Flores AE
对来自6个埃及伊蚊（Aedes aegypti (L)）品系的雌性个体进行了对有机磷杀虫剂毒死蜱的抗性评估，这些品系对8种拟除虫菊酯杀虫剂表现出高水平的交互抗性。相对于敏感的新奥尔良（NO）品系24小时的半数致死浓度（LC50）和90%致死浓度（LC90），3个品系对毒死蜱具有高度抗性（夸察夸尔科斯（Coatzacoalcos），抗性比（RRLC90）=11.97；波萨里卡（Pozarica），RRLC90 = 12.98；科索莱阿卡克（Cosoleacaque），RRLC50 = 13.94且RRLC90 = 17.57），1个品系具有中度抗性（韦拉克鲁斯（Veracruz），抗性比（RR）=5.92），2个品系敏感（坦托尤卡（Tantoyuca）和马丁内斯 - 德拉托雷（Martinez de la Torre），RRLC50和RRLC90 < 5），这是通过疾控中心（CDC）瓶内生物测定得出的结果。此外，样本种群中高水平的α/β - 酯酶活性与抗性相关，这表明酯酶活性可能是这些种群中产生有机磷抗性的一种机制。总体而言，本研究中的种群对毒死蜱的抗性低于对拟除虫菊酯的抗性。建议在控制活动中轮换使用杀虫剂，以延缓或尽量减少埃及伊蚊当地种群对毒死蜱产生高水平抗性的情况。使用敏感的NO品系确定了用于监测毒死蜱抗性的诊断剂量（DD）和诊断时间（DT）分别为每瓶85微克和30分钟。
Resistance to the organophosphate insecticide chlorpyrifos was evaluated in females from six strains of Aedes aegypti (L) that expressed high levels of cross resistance to eight pyrethroid insecticides. Relative to LC50 and LC90 at 24h of a susceptible New Orleans (NO) three strains were highly resistant to chlorpyrifos (Coatzacoalcos, resistance ratio (RRLC90) =11.97; Pozarica, RRLC90=12.98; and Cosoleacaque, RRLC50= 13.94 and RRLC90=17.57), one strain was moderately resistant (Veracruz, RR=5.92), and two strains were susceptible (Tantoyuca and Martinez de la Torre, RRLC50 and RRLC90 < 5) in CDC bottle bioassays. Furthermore, high levels of α/β-esterase activity in the sample populations were correlated with resistance, suggesting that esterase activity may be a mechanism causing the development of organophosphate resistance in these populations. Overall, the populations in this study were less resistant to chlorpyrifos than to pyrethroids. Rotation of insecticides used in control activities is recommended to delay or minimize the occurrence of high levels of resistance to chlorpyrifos among local populations of Ae. aegypti. The diagnostic dose (DD) and diagnostic time (DT) for chlorpyrifos resistance monitoring was determined to be 85 μg/ bottle and 30min, respectively, using the susceptible NO strain.
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影响因子：
0.4
作者：
Flores, Adriana E.;Reyes Solis, Guadalupe;Ponce Garcia, Gustavo
通讯作者：
Ponce Garcia, Gustavo
影响因子：
1
作者：
Siller, Quetzaly;Ponce, Gustavo;Flores, Adriana E.
通讯作者：
Flores, Adriana E.
影响因子：
1
作者：
Rodriguez, Maria M.;Bisset, Juan A.;Fernandez, Ditter
通讯作者：
Fernandez, Ditter
影响因子：
3.8
作者：
García GP;Flores AE;Fernández-Salas I;Saavedra-Rodríguez K;Reyes-Solis G;Lozano-Fuentes S;Guillermo Bond J;Casas-Martínez M;Ramsey JM;García-Rejón J;Domínguez-Galera M;Ranson H;Hemingway J;Eisen L;Black IV WC
通讯作者：
Black IV WC
影响因子：
2.6
作者：
Saavedra-Rodriguez, K.;Urdaneta-Marquez, L.;Black, W. C.
通讯作者：
Black, W. C.