Predicting Resistance:Quantifying the Relationship between Urban Development Agricultural Pesticide Use,and Pesticide Resistance in a Nontarget Amphipod

Kaley M.Major; Donald P.Weston; Gary A.Wellborn

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Predicting Resistance:Quantifying the Relationship between Urban Development Agricultural Pesticide Use,and Pesticide Resistance in a Nontarget Amphipod

机译：Predicting Resistance:Quantifying the Relationship between Urban Development Agricultural Pesticide Use,and Pesticide Resistance in a Nontarget Amphipod

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Resistance alleles within the voltage-gated sodium channel(vgsc)have been correlated with pyrethroid resistance in wild populations of the nontarget amphipod,Hyaklla azteca from California(CA),U.SA.In the present study,we expand upon the relationship between land use and the evolution of pesticide resistance in H.azteca to develop a quantitative methodology to target and screen novel populations for resistance allele genotypes in a previously uninvestigated region of the U.S.(New England:NE).By incorporating urban land development and toxicity-normalized agricultural pesticide use indices into our site selection,we successfully identified three amino acid substitutions associated with pyrethroid resistance.One of the resistance mutations has been described in H.azteca from CA(L925I).We present the remaining two(vgsc I936F and I936V)as novel pyrethroid-resistance alleles in H.azteca based on previous work in insects and elevated cyfluthrin resistance in one NE population,Our results suggest that urban pesticide use is a strong driver in the evolution of resistance alleles in H.azteca.Furthermore,our method for resistance allele screening provides an applied framework for detecting ecosystem impairment on a nationwide scale that can be incorporated into ecological risk assessment decisions.

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《Environmental Science & Technology: ES&T》 |2022年第20期|14649-14659|共11页
作者
Kaley M.Major; Donald P.Weston; Gary A.Wellborn;
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作者单位

School for the Environment,University of Massachusetts Boston,Boston,Massachusetts 0212S,United States;

Department of Integrative Biology,University of California,Berkeley,Berkeley,California 94720,United States;

Department of Biology,University of Oklahoma,Norman,Oklahoma 73019,United States;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类环境科学、安全科学;
关键词
pyrethroids; agricultural pesticide use; urban pesticide use; modeling resistance; Hyalella azteca; pyrethroid resistance alleles; evolutionary toxicology;

Predicting Resistance:Quantifying the Relationship between Urban Development Agricultural Pesticide Use,and Pesticide Resistance in a Nontarget Amphipod

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