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© Institut Pasteur
Phlébotome. Petit diptère de la famille des psychodidés (dans l'Ancien Monde). La femelle hématophage peut être vectrice entre autres de leishmaniose qu'elle transmet par piqûre à un vertébré, chien (hôte principal réservoir), homme ou encore rat (hôtes occasionnels).
Publication : Annual review of entomology

The Interplay Between Viruses and RNAi Pathways in Insects.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Annual review of entomology - 07 Jan 2021

Bonning BC, Saleh MC,

Link to Pubmed [PMID] – 33417818

Link to DOI – 10.1146/annurev-ento-033020-090410

Annu Rev Entomol 2021 01; 66(): 61-79

As an overarching immune mechanism, RNA interference (RNAi) displays pathogen specificity and memory via different pathways. The small interfering RNA (siRNA) pathway is the primary antiviral defense mechanism against RNA viruses of insects and plays a lesser role in defense against DNA viruses. Reflecting the pivotal role of the siRNA pathway in virus selection, different virus families have independently evolved unique strategies to counter this host response, including protein-mediated, decoy RNA-based, and microRNA-based strategies. In this review, we outline the interplay between insect viruses and the different pathways of the RNAi antiviral response; describe practical application of these interactions for improved expression systems and for pest and disease management; and highlight research avenues for advancement of the field.