The contribution of detoxification pathways to pyrethroid resistance in Hyalella azteca
Chronic exposure to pyrethroid insecticides can result in strong selective pressures on non-target species in aquatic systems and drive the evolution of resistance and population-level changes. Characterizing the underlying mechanisms of resistance is essential to better understanding the potential...
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Veröffentlicht in: | Environmental pollution (1987) 2021-09, Vol.284, p.117158-117158, Article 117158 |
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creator | Fung, Courtney Y. Zhu, Kun Yan Major, Kaley Poynton, Helen C. Huff Hartz, Kara E. Wellborn, Gary Lydy, Michael J. |
description | Chronic exposure to pyrethroid insecticides can result in strong selective pressures on non-target species in aquatic systems and drive the evolution of resistance and population-level changes. Characterizing the underlying mechanisms of resistance is essential to better understanding the potential consequences of contaminant-driven microevolution. The current study found that multiple mechanisms enhance the overall tolerance of Hyalella azteca to the pyrethroid permethrin. In H. azteca containing mutations in the voltage-gated sodium channel (VGSC), both adaptation and acclimation played a role in mitigating the adverse effects of pyrethroid exposures. Pyrethroid resistance is primarily attributed to the heritable mutation at a single locus of the VGSC, resulting in reduced target-site sensitivity. However, additional pyrethroid tolerance was conferred through enhanced enzyme-mediated detoxification. Cytochrome P450 monooxygenases (CYP450) and general esterases (GE) significantly contributed to the detoxification of permethrin in H. azteca. Over time, VGSC mutated H. azteca retained most of their pyrethroid resistance, though there was some increased sensitivity from parent to offspring when reared in the absence of pyrethroid exposure. Permethrin median lethal concentrations (LC50s) declined from 1809 ng/L in parent (P0) individuals to 1123 ng/L in the first filial (F1) generation, and this reduction in tolerance was likely related to alterations in acclimation mechanisms, rather than changes to target-site sensitivity. Enzyme bioassays indicated decreased CYP450 and GE activity from P0 to F1, whereas the VGSC mutation was retained. The permethrin LC50s in resistant H. azteca were still two orders-of-magnitude higher than non-resistant populations indicating that the largest proportion of resistance was maintained through the inherited VGSC mutation. Thus, the noted variation in tolerance in H. azteca is likely associated with inducible traits controlling enzyme pathways. A better understanding of the mechanistic and genomic basis of acclimation is necessary to more accurately predict the ecological and evolutionary consequences of contaminant-driven change in H. azteca.
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•Pyrethroid resistance is primarily attributed to a heritable mutation.•CYP450 and GE significantly contributed to the detoxification of permethrin.•The reduction in tolerance was likely due to alterations in acclimation mechanisms. |
doi_str_mv | 10.1016/j.envpol.2021.117158 |
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[Display omitted]
•Pyrethroid resistance is primarily attributed to a heritable mutation.•CYP450 and GE significantly contributed to the detoxification of permethrin.•The reduction in tolerance was likely due to alterations in acclimation mechanisms.</description><identifier>ISSN: 0269-7491</identifier><identifier>EISSN: 1873-6424</identifier><identifier>DOI: 10.1016/j.envpol.2021.117158</identifier><identifier>PMID: 33895574</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Enzyme activity ; Hyalella azteca ; Insecticide resistance ; Pyrethroids ; Voltage-gated sodium channel mutation</subject><ispartof>Environmental pollution (1987), 2021-09, Vol.284, p.117158-117158, Article 117158</ispartof><rights>2021 Elsevier Ltd</rights><rights>Copyright © 2021 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c362t-672233298eae1661493cabfae76c01692d5fc88da08a9e8edcf733a4032967de3</citedby><cites>FETCH-LOGICAL-c362t-672233298eae1661493cabfae76c01692d5fc88da08a9e8edcf733a4032967de3</cites><orcidid>0000-0003-1633-2109</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.envpol.2021.117158$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33895574$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Fung, Courtney Y.</creatorcontrib><creatorcontrib>Zhu, Kun Yan</creatorcontrib><creatorcontrib>Major, Kaley</creatorcontrib><creatorcontrib>Poynton, Helen C.</creatorcontrib><creatorcontrib>Huff Hartz, Kara E.</creatorcontrib><creatorcontrib>Wellborn, Gary</creatorcontrib><creatorcontrib>Lydy, Michael J.</creatorcontrib><title>The contribution of detoxification pathways to pyrethroid resistance in Hyalella azteca</title><title>Environmental pollution (1987)</title><addtitle>Environ Pollut</addtitle><description>Chronic exposure to pyrethroid insecticides can result in strong selective pressures on non-target species in aquatic systems and drive the evolution of resistance and population-level changes. Characterizing the underlying mechanisms of resistance is essential to better understanding the potential consequences of contaminant-driven microevolution. The current study found that multiple mechanisms enhance the overall tolerance of Hyalella azteca to the pyrethroid permethrin. In H. azteca containing mutations in the voltage-gated sodium channel (VGSC), both adaptation and acclimation played a role in mitigating the adverse effects of pyrethroid exposures. Pyrethroid resistance is primarily attributed to the heritable mutation at a single locus of the VGSC, resulting in reduced target-site sensitivity. However, additional pyrethroid tolerance was conferred through enhanced enzyme-mediated detoxification. Cytochrome P450 monooxygenases (CYP450) and general esterases (GE) significantly contributed to the detoxification of permethrin in H. azteca. Over time, VGSC mutated H. azteca retained most of their pyrethroid resistance, though there was some increased sensitivity from parent to offspring when reared in the absence of pyrethroid exposure. Permethrin median lethal concentrations (LC50s) declined from 1809 ng/L in parent (P0) individuals to 1123 ng/L in the first filial (F1) generation, and this reduction in tolerance was likely related to alterations in acclimation mechanisms, rather than changes to target-site sensitivity. Enzyme bioassays indicated decreased CYP450 and GE activity from P0 to F1, whereas the VGSC mutation was retained. The permethrin LC50s in resistant H. azteca were still two orders-of-magnitude higher than non-resistant populations indicating that the largest proportion of resistance was maintained through the inherited VGSC mutation. Thus, the noted variation in tolerance in H. azteca is likely associated with inducible traits controlling enzyme pathways. A better understanding of the mechanistic and genomic basis of acclimation is necessary to more accurately predict the ecological and evolutionary consequences of contaminant-driven change in H. azteca.
[Display omitted]
•Pyrethroid resistance is primarily attributed to a heritable mutation.•CYP450 and GE significantly contributed to the detoxification of permethrin.•The reduction in tolerance was likely due to alterations in acclimation mechanisms.</description><subject>Enzyme activity</subject><subject>Hyalella azteca</subject><subject>Insecticide resistance</subject><subject>Pyrethroids</subject><subject>Voltage-gated sodium channel mutation</subject><issn>0269-7491</issn><issn>1873-6424</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kE9rGzEQxUVJaJy036AUHXNZV_9WWl0KwSR1IZBLSo9ClmaxzHq1lWQn20-fdTfJsaeB4b15834IfaFkSQmV33ZL6I9D7JaMMLqkVNG6-YAWtFG8koKJM7QgTOpKCU0v0GXOO0KI4Jx_RBecN7qulVig349bwC72JYXNoYTY49hiDyU-hzY4-28z2LJ9smPGJeJhTFC2KQaPE-SQi-0d4NDj9Wg76DqL7d8Czn5C563tMnx-nVfo193t42pd3T_8-Lm6ua8cl6xUUjHGOdMNWKBSUqG5s5vWgpJuKqmZr1vXNN6SxmpowLtWcW4FmTxSeeBX6Hq-O6T45wC5mH3I7vRID_GQDasnIIJorSapmKUuxZwTtGZIYW_TaCgxJ6RmZ2ak5oTUzEgn29fXhMNmD_7d9MZwEnyfBTD1PAZIJrsAExYfErhifAz_T3gBJgCK5w</recordid><startdate>20210901</startdate><enddate>20210901</enddate><creator>Fung, Courtney Y.</creator><creator>Zhu, Kun Yan</creator><creator>Major, Kaley</creator><creator>Poynton, Helen C.</creator><creator>Huff Hartz, Kara E.</creator><creator>Wellborn, Gary</creator><creator>Lydy, Michael J.</creator><general>Elsevier Ltd</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0003-1633-2109</orcidid></search><sort><creationdate>20210901</creationdate><title>The contribution of detoxification pathways to pyrethroid resistance in Hyalella azteca</title><author>Fung, Courtney Y. ; Zhu, Kun Yan ; Major, Kaley ; Poynton, Helen C. ; Huff Hartz, Kara E. ; Wellborn, Gary ; Lydy, Michael J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c362t-672233298eae1661493cabfae76c01692d5fc88da08a9e8edcf733a4032967de3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Enzyme activity</topic><topic>Hyalella azteca</topic><topic>Insecticide resistance</topic><topic>Pyrethroids</topic><topic>Voltage-gated sodium channel mutation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fung, Courtney Y.</creatorcontrib><creatorcontrib>Zhu, Kun Yan</creatorcontrib><creatorcontrib>Major, Kaley</creatorcontrib><creatorcontrib>Poynton, Helen C.</creatorcontrib><creatorcontrib>Huff Hartz, Kara E.</creatorcontrib><creatorcontrib>Wellborn, Gary</creatorcontrib><creatorcontrib>Lydy, Michael J.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental pollution (1987)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fung, Courtney Y.</au><au>Zhu, Kun Yan</au><au>Major, Kaley</au><au>Poynton, Helen C.</au><au>Huff Hartz, Kara E.</au><au>Wellborn, Gary</au><au>Lydy, Michael J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The contribution of detoxification pathways to pyrethroid resistance in Hyalella azteca</atitle><jtitle>Environmental pollution (1987)</jtitle><addtitle>Environ Pollut</addtitle><date>2021-09-01</date><risdate>2021</risdate><volume>284</volume><spage>117158</spage><epage>117158</epage><pages>117158-117158</pages><artnum>117158</artnum><issn>0269-7491</issn><eissn>1873-6424</eissn><abstract>Chronic exposure to pyrethroid insecticides can result in strong selective pressures on non-target species in aquatic systems and drive the evolution of resistance and population-level changes. Characterizing the underlying mechanisms of resistance is essential to better understanding the potential consequences of contaminant-driven microevolution. The current study found that multiple mechanisms enhance the overall tolerance of Hyalella azteca to the pyrethroid permethrin. In H. azteca containing mutations in the voltage-gated sodium channel (VGSC), both adaptation and acclimation played a role in mitigating the adverse effects of pyrethroid exposures. Pyrethroid resistance is primarily attributed to the heritable mutation at a single locus of the VGSC, resulting in reduced target-site sensitivity. However, additional pyrethroid tolerance was conferred through enhanced enzyme-mediated detoxification. Cytochrome P450 monooxygenases (CYP450) and general esterases (GE) significantly contributed to the detoxification of permethrin in H. azteca. Over time, VGSC mutated H. azteca retained most of their pyrethroid resistance, though there was some increased sensitivity from parent to offspring when reared in the absence of pyrethroid exposure. Permethrin median lethal concentrations (LC50s) declined from 1809 ng/L in parent (P0) individuals to 1123 ng/L in the first filial (F1) generation, and this reduction in tolerance was likely related to alterations in acclimation mechanisms, rather than changes to target-site sensitivity. Enzyme bioassays indicated decreased CYP450 and GE activity from P0 to F1, whereas the VGSC mutation was retained. The permethrin LC50s in resistant H. azteca were still two orders-of-magnitude higher than non-resistant populations indicating that the largest proportion of resistance was maintained through the inherited VGSC mutation. Thus, the noted variation in tolerance in H. azteca is likely associated with inducible traits controlling enzyme pathways. A better understanding of the mechanistic and genomic basis of acclimation is necessary to more accurately predict the ecological and evolutionary consequences of contaminant-driven change in H. azteca.
[Display omitted]
•Pyrethroid resistance is primarily attributed to a heritable mutation.•CYP450 and GE significantly contributed to the detoxification of permethrin.•The reduction in tolerance was likely due to alterations in acclimation mechanisms.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>33895574</pmid><doi>10.1016/j.envpol.2021.117158</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0003-1633-2109</orcidid></addata></record> |
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subjects | Enzyme activity Hyalella azteca Insecticide resistance Pyrethroids Voltage-gated sodium channel mutation |
title | The contribution of detoxification pathways to pyrethroid resistance in Hyalella azteca |
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