Safety Considerations for Humans and Other Vertebrates Regarding Agricultural Uses of Externally Applied RNA Molecules

The potential of double-stranded RNAs (dsRNAs) for use as topical biopesticides in agriculture was recently discussed during an OECD (Organisation for Economic Co-operation and Development) Conference on RNA interference (RNAi)-based pesticides. Several topics were presented and these covered differ...

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Main Authors: Thais B. Rodrigues, Jay S. Petrick
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-04-01
Series:Frontiers in Plant Science
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/fpls.2020.00407/full
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author Thais B. Rodrigues
Jay S. Petrick
author_facet Thais B. Rodrigues
Jay S. Petrick
author_sort Thais B. Rodrigues
collection DOAJ
description The potential of double-stranded RNAs (dsRNAs) for use as topical biopesticides in agriculture was recently discussed during an OECD (Organisation for Economic Co-operation and Development) Conference on RNA interference (RNAi)-based pesticides. Several topics were presented and these covered different aspects of RNAi technology, its application, and its potential effects on target and non-target organisms (including both mammals and non-mammals). This review presents information relating to RNAi mechanisms in vertebrates, the history of safe RNA consumption, the biological barriers that contribute to the safety of its consumption, and effects related to humans and other vertebrates as discussed during the conference. We also review literature related to vertebrates exposed to RNA molecules and further consider human health safety assessments of RNAi-based biopesticides. This includes possible routes of exposure other than the ingestion of potential residual material in food and water (such as dermal and inhalation exposures during application in the field), the implications of different types of formulations and RNA structures, and the possibility of non-specific effects such as the activation of the innate immune system or saturation of the RNAi machinery.
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spelling doaj.art-3ffe16c2f97f4afe8b6f40830ee187ec2022-12-21T20:37:35ZengFrontiers Media S.A.Frontiers in Plant Science1664-462X2020-04-011110.3389/fpls.2020.00407507176Safety Considerations for Humans and Other Vertebrates Regarding Agricultural Uses of Externally Applied RNA MoleculesThais B. Rodrigues0Jay S. Petrick1GreenLight Biosciences, Inc., Medford, NC, United StatesBayer Crop Science, Chesterfield, MO, United StatesThe potential of double-stranded RNAs (dsRNAs) for use as topical biopesticides in agriculture was recently discussed during an OECD (Organisation for Economic Co-operation and Development) Conference on RNA interference (RNAi)-based pesticides. Several topics were presented and these covered different aspects of RNAi technology, its application, and its potential effects on target and non-target organisms (including both mammals and non-mammals). This review presents information relating to RNAi mechanisms in vertebrates, the history of safe RNA consumption, the biological barriers that contribute to the safety of its consumption, and effects related to humans and other vertebrates as discussed during the conference. We also review literature related to vertebrates exposed to RNA molecules and further consider human health safety assessments of RNAi-based biopesticides. This includes possible routes of exposure other than the ingestion of potential residual material in food and water (such as dermal and inhalation exposures during application in the field), the implications of different types of formulations and RNA structures, and the possibility of non-specific effects such as the activation of the innate immune system or saturation of the RNAi machinery.https://www.frontiersin.org/article/10.3389/fpls.2020.00407/fulldouble-stranded RNAbiopesticidehuman safetyRNA interferencesprayable dsRNA
spellingShingle Thais B. Rodrigues
Jay S. Petrick
Safety Considerations for Humans and Other Vertebrates Regarding Agricultural Uses of Externally Applied RNA Molecules
Frontiers in Plant Science
double-stranded RNA
biopesticide
human safety
RNA interference
sprayable dsRNA
title Safety Considerations for Humans and Other Vertebrates Regarding Agricultural Uses of Externally Applied RNA Molecules
title_full Safety Considerations for Humans and Other Vertebrates Regarding Agricultural Uses of Externally Applied RNA Molecules
title_fullStr Safety Considerations for Humans and Other Vertebrates Regarding Agricultural Uses of Externally Applied RNA Molecules
title_full_unstemmed Safety Considerations for Humans and Other Vertebrates Regarding Agricultural Uses of Externally Applied RNA Molecules
title_short Safety Considerations for Humans and Other Vertebrates Regarding Agricultural Uses of Externally Applied RNA Molecules
title_sort safety considerations for humans and other vertebrates regarding agricultural uses of externally applied rna molecules
topic double-stranded RNA
biopesticide
human safety
RNA interference
sprayable dsRNA
url https://www.frontiersin.org/article/10.3389/fpls.2020.00407/full
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