Paraquat is toxic to the soil-dwelling arthropod, Folsomia candida (Collembola: Isotomidae), and has potential effects on its Wolbachia endosymbiont

Mikkel C.E. Ward; Maria C. Barrios; Ann M. Fallon

doi:10.1016/j.jip.2023.107936

Paraquat is toxic to the soil-dwelling arthropod, Folsomia candida (Collembola: Isotomidae), and has potential effects on its Wolbachia endosymbiont

Mikkel C.E. Ward, Maria C. Barrios, Ann M. Fallon

Entomology

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

The springtail, Folsomia candida, is a soil arthropod commonly used to evaluate environmental toxins. Conflicting data on the toxicity of the herbicide paraquat prompted re-evaluation of its effects on F. candida survival and reproduction. Paraquat has an LC₅₀ of about 80 μM when tested in the absence of charcoal; charcoal, often used in test arenas to facilitate visualization of the white Collembola, has a protective effect. Survivors of paraquat treatment fail to resume molting and oviposition, suggesting an irreversible effect on the Wolbachia symbiont that restores diploidy during parthenogenetic reproduction of this species.

Original language	English (US)
Article number	107936
Journal	Journal of Invertebrate Pathology
Volume	198
DOIs	https://doi.org/10.1016/j.jip.2023.107936
State	Published - Jun 2023

Bibliographical note

Funding Information:
This work was supported by the University of Minnesota Agricultural Experiment Station, St. Paul, Minnesota.

Publisher Copyright:
© 2023 Elsevier Inc.

Keywords

1,1′-dimethyl-4,4′-dipyridilium dichloride
Charcoal
Herbicide
Oxidizing agent
Parthenogenesis
Springtail
Toxins
Wolbachia

PubMed: MeSH publication types

Journal Article
Research Support, Non-U.S. Gov't

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title = "Paraquat is toxic to the soil-dwelling arthropod, Folsomia candida (Collembola: Isotomidae), and has potential effects on its Wolbachia endosymbiont",

abstract = "The springtail, Folsomia candida, is a soil arthropod commonly used to evaluate environmental toxins. Conflicting data on the toxicity of the herbicide paraquat prompted re-evaluation of its effects on F. candida survival and reproduction. Paraquat has an LC50 of about 80 μM when tested in the absence of charcoal; charcoal, often used in test arenas to facilitate visualization of the white Collembola, has a protective effect. Survivors of paraquat treatment fail to resume molting and oviposition, suggesting an irreversible effect on the Wolbachia symbiont that restores diploidy during parthenogenetic reproduction of this species.",

keywords = "1,1′-dimethyl-4,4′-dipyridilium dichloride, Charcoal, Herbicide, Oxidizing agent, Parthenogenesis, Springtail, Toxins, Wolbachia",

author = "Ward, {Mikkel C.E.} and Barrios, {Maria C.} and Fallon, {Ann M.}",

note = "Funding Information: This work was supported by the University of Minnesota Agricultural Experiment Station, St. Paul, Minnesota. Publisher Copyright: {\textcopyright} 2023 Elsevier Inc.",

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Paraquat is toxic to the soil-dwelling arthropod, Folsomia candida (Collembola: Isotomidae), and has potential effects on its Wolbachia endosymbiont

Abstract

Bibliographical note

Keywords

PubMed: MeSH publication types

Access

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