Evidence map›Paper›PMID 42797779›Full record

ArticleViruses2026

XRN1-Resistant Elements Are Located in the 3'-Terminal Regions of Certain Genome Segments of Jingmenviruses.

Egor V Okhezin, Alexander G Litov, Ivan S Kholodilov, Galina G Karganova

Abstract read
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Article in Viruses, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Egor V OkhezinLaboratory of Biology of Arboviruses, FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of RAS" (Institute of Poliomyelitis), 108819 Moscow, Russia.ORCID 0000-0001-9633-0634
Alexander G LitovLaboratory of Biology of Arboviruses, FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of RAS" (Institute of Poliomyelitis), 108819 Moscow, Russia.
Ivan S KholodilovLaboratory of Biology of Arboviruses, FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of RAS" (Institute of Poliomyelitis), 108819 Moscow, Russia.ORCID 0000-0002-3764-7081
Galina G KarganovaLaboratory of Biology of Arboviruses, FSASI "Chumakov Federal Scientific Center for Research and Development of Immune-and-Biological Products of RAS" (Institute of Poliomyelitis), 108819 Moscow, Russia.ORCID 0000-0002-8901-6206

Funding

Russian Science Foundation 21-74-00083
6 · The paper itself

Abstract

Jingmenviruses have been identified over the past decade. During this period, significant advancements have been made in understanding their diversity, biology, and genomic functionality. Conventionally characterized orthoflaviviruses are distinguished by a specific class of subgenomic RNAs (sfRNAs) that contain exoribonuclease-resistant RNA (xrRNA) structures. These sfRNAs are the products of incomplete 5'-3' degradation of genomic RNA by the host exoribonuclease XRN1. Resistance to complete hydrolysis is mediated by highly conserved secondary structural motifs localized within the 3' untranslated region (UTR) of the genomic RNA. In classical orthoflaviviruses, xrRNAs play key roles in regulating viral replication, modulating the host immune response, and driving host cell adaptation. In the present study, we evaluated the exonuclease resistance of the 3' UTR genomic RNA segments of Alongshan and Yanggou viruses using in vitro assays. Our results demonstrate that 1 and 4 segments of Alongshan virus and 3 and 4 segments of Yanggou tick virus exhibit resistance to XRN1-mediated degradation.

Indexed as

3' Untranslated RegionsExoribonucleasesGenome, ViralRNA, ViralAnimalsNucleic Acid ConformationRNA StabilitySubgenomic RNA3' Untranslated RegionsExoribonucleasesRNA, ViralSubgenomic RNAAlongshan virussubgenomic RNAXRN1Yanggou tick virus

Identifiers

PMID42797779
PMCPMC13612070

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.