Replication of single viruses across the kingdoms, Fungi, Plantae, and Animalia

Paul Telengech, Kiwamu Hyodo, Hiroaki Ichikawa, Ryusei Kuwata, Hideki Kondo, Nobuhiro Suzuki

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

It is extremely rare that a single virus crosses host barriers across multiple kingdoms. Based on phylogenetic and paleovirological analyses, it has previously been hypothesized that single members of the family Partitiviridae could cross multiple kingdoms. Partitiviridae accommodates members characterized by their simple bisegmented double-stranded RNA genome; asymptomatic infections of host organisms; the absence of an extracellular route for entry in nature; and collectively broad host range. Herein, we show the replicability of single fungal partitiviruses in three kingdoms of host organisms: Fungi, Plantae, and Animalia. Betapartitiviruses of the phytopathogenic fungusRosellinia necatrix could replicate in protoplasts of the carrot (Daucus carota), Nicotiana benthamiana and Nicotiana tabacum, in some cases reaching a level detectable by agarose gel electrophoresis. Moreover, betapartitiviruses showed more robust replication than the tested alphapartitiviruses. One of the fungal betapartitiviruses, RnPV18, could persistently and stably infect carrot plants regenerated from virion-transfected protoplasts. Both alpha- and betapartitiviruses, although with different host preference, could replicate in two insect cell lines derived from the fall armyworm Spodoptera frugiperda and the fruit fly Drosophila melanogaster. Our results indicate the replicability of single partitiviruses in members of three kingdoms and provide insights into virus adaptation, host jumping, and evolution.

Original languageEnglish
Article numbere2318150121
JournalProceedings of the National Academy of Sciences of the United States of America
Volume121
Issue number25
DOIs
Publication statusPublished - Jun 1 2024

ASJC Scopus subject areas

  • General

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