The Insect Viruses

doi:10.1007/978-1-4615-5341-0

Cited by 22 publications

(2 citation statements)

References 314 publications

(531 reference statements)

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“…Insects represent the largest group of animals on Earth in terms of biodiversity, with an estimated number of 5.5 million different species (Stork, 2018). This diversity reflects in a matching range of infecting viruses, which in addition to positively or negatively affecting insect populations, can also have a major impact on human well-being (Miller and Ball, 1998; Roossinck, 2011). In this section, important concepts regarding the patterns of viral infection pathogenesis will be addressed.…”

Section: Insect Viral Infections and Rnai-based Antiviral Immunitymentioning

confidence: 99%

RNA Interference in Insects: Protecting Beneficials and Controlling Pests

et al. 2019

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Insects constitute the largest and most diverse group of animals on Earth with an equally diverse virome. The main antiviral immune system of these animals is the post-transcriptional gene-silencing mechanism known as RNA(i) interference. Furthermore, this process can be artificially triggered via delivery of gene-specific double-stranded RNA molecules, leading to specific endogenous gene silencing. This is called RNAi technology and has important applications in several fields. In this paper, we review RNAi mechanisms in insects as well as the potential of RNAi technology to contribute to species-specific insecticidal strategies. Regarding this aspect, we cover the range of strategies considered and investigated so far, as well as their limitations and the most promising approaches to overcome them. Additionally, we discuss patterns of viral infection, specifically persistent and acute insect viral infections. In the latter case, we focus on infections affecting economically relevant species. Within this scope, we review the use of insect-specific viruses as bio-insecticides. Last, we discuss RNAi-based strategies to protect beneficial insects from harmful viral infections and their potential practical application. As a whole, this manuscript stresses the impact of insect viruses and RNAi technology in human life, highlighting clear lines of investigation within an exciting and promising field of research.

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Section: Insect Viral Infections and Rnai-based Antiviral Immunitymentioning

confidence: 99%

RNA Interference in Insects: Protecting Beneficials and Controlling Pests

et al. 2019

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“…Insects represent the largest group of animals on earth in terms of biodiversity, with an estimated 5.5 million different species [30,31]. This diversity is reflected in a matching range of infecting viruses, which not only positively or negatively affect insect populations, but can also have a major impact on human well-being [32,33]. Insects have been shown to contain a wide variety of viruses up to indicate insects as major reservoirs and vectors of viruses [34][35][36][37][38] and recent papers reveal an enormous diversity in RNA viruses detected in insect viruses [36].…”

Section: Introductionmentioning

confidence: 99%

A Systematic Review on Viruses in Mass-Reared Edible Insect Species

Bertola

2021

Viruses

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Edible insects are expected to become an important nutrient source for animals and humans in the Western world in the near future. Only a few studies on viruses in edible insects with potential for industrial rearing have been published and concern only some edible insect species. Viral pathogens that can infect insects could be non-pathogenic, or pathogenic to the insects themselves, or to humans and animals. The objective of this systematic review is to provide an overview of the viruses detected in edible insects currently considered for use in food and/or feed in the European Union or appropriate for mass rearing, and to collect information on clinical symptoms in insects and on the vector role of insects themselves. Many different virus species have been detected in edible insect species showing promise for mass production systems. These viruses could be a risk for mass insect rearing systems causing acute high mortality, a drastic decline in growth in juvenile stages and in the reproductive performance of adults. Furthermore, some viruses could pose a risk to human and animal health where insects are used for food and feed.

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Insect Viruses

Christian¹,

Possee²

2008

Encyclopedia of Life Sciences

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Viruses from over 16 families have been isolated from insects to date and show as much variation in structural and organizational paradigms as viruses from most other animal classes. Unique to the insect viruses is the ability of several virus families to produce a large pseudocrystalline occlusion body that protects the mature virus particles in the environment. Such occlusion bodies have led to these viruses evolving a complex array of associations with their insect host and in many cases causing large‐scale disease epizootics. Among the remaining nonoccluded insect viruses all of the basic structural and organizational paradigms are present in different families. However, the life history strategies of their insect hosts has led the insect viruses to evolve some intriguing replicative strategies of their own that have few, if any, counterparts among the other animal viruses.

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The Insect Viruses

Cited by 22 publications

References 314 publications

RNA Interference in Insects: Protecting Beneficials and Controlling Pests

RNA Interference in Insects: Protecting Beneficials and Controlling Pests

A Systematic Review on Viruses in Mass-Reared Edible Insect Species

Insect Viruses

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