Effect of Insecticide Resistance on Development, Longevity and Reproduction of Field or Laboratory Selected Aedes aegypti Populations

被引：99
作者：
Martins, Ademir Jesus [1 ,2 ,3 ,4 ]
Dutra e Mello Ribeiro, Camila [1 ,2 ]
Bellinato, Diogo Fernandes [1 ,2 ]
Peixoto, Alexandre Afranio [3 ,4 ,5 ]
Valle, Denise [1 ,2 ,3 ,4 ]
Pereira Lima, Jose Bento [1 ,2 ,3 ]
机构：
[1] Fiocruz MS, Lab Fisiol & Controle Artropodes Vetores, Inst Oswaldo Cruz, BR-21045900 Rio De Janeiro, Brazil
[2] Inst Biol Exercito, Entomol Lab, Rio De Janeiro, Brazil
[3] Pronex Rede Dengue, CNPq, Rio De Janeiro, Brazil
[4] CNPq, Inst Nacl Ciencia & Tecnol Entomol Mol INCT EM, Rio De Janeiro, Brazil
[5] Fiocruz MS, Lab Biol Mol Insetos, Inst Oswaldo Cruz, BR-21045900 Rio De Janeiro, Brazil
来源：
PLOS ONE | 2012年 / 7卷 / 03期
关键词：
FEMALE ANOPHELES-GAMBIAE; AN-STEPHENSI MOSQUITOS; HCH DIELDRIN RESISTANT; DELTAMETHRIN RESISTANCE; PYRETHROID RESISTANCE; INHERITANCE; FITNESS; DIPTERA; LEPIDOPTERA; PERMETHRIN;
D O I：
10.1371/journal.pone.0031889
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Aedes aegypti dispersion is the major reason for the increase in dengue transmission in South America. In Brazil, control of this mosquito strongly relies on the use of pyrethroids and organophosphates against adults and larvae, respectively. In consequence, many Ae. aegypti field populations are resistant to these compounds. Resistance has a significant adaptive value in the presence of insecticide treatment. However some selected mechanisms can influence important biological processes, leading to a high fitness cost in the absence of insecticide pressure. We investigated the dynamics of insecticide resistance and its potential fitness cost in five field populations and in a lineage selected for deltamethrin resistance in the laboratory, for nine generations. For all populations the life-trait parameters investigated were larval development, sex ratio, adult longevity, relative amount of ingested blood, rate of ovipositing females, size of egglaying and eggs viability. In the five natural populations, the effects on the life-trait parameters were discrete but directly proportional to resistance level. In addition, several viability parameters were strongly affected in the laboratory selected population compared to its unselected control. Our results suggest that mechanisms selected for organophosphate and pyrethroid resistance caused the accumulation of alleles with negative effects on different life-traits and corroborate the hypothesis that insecticide resistance is associated with a high fitness cost.
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页数：9
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