ICTV Virus Taxonomy Profile: 2023.

is a family of capsidless viruses with positive-sense RNA genomes of 7.3-18.3 kb that possess either a single large open reading frame (ORF) or two ORFs.

Direct Metatranscriptomic Survey of the Sunflower Microbiome and Virome.

Sunflowers ( L.) are susceptible to multiple diseases in field production. In this study, we collected diseased sunflower leaves in fields located in South Dakota, USA, for virome investigation.

Roles of Argonautes and Dicers on Antiviral RNA Silencing.

RNA silencing or RNA interference (RNAi) is an essential mechanism in animals, fungi, and plants that functions in gene regulation and defense against foreign nucleic acids. In fungi, RNA silencing has been shown to function primarily in defense against invasive nucleic acids. We previously determined that mycoviruses are triggers and targets of RNA silencing in .

Transcriptional and Small RNA Responses of the White Mold Fungus to Infection by a Virulence-Attenuating Hypovirus.

Mycoviruses belonging to the family cause persistent infection of many different host fungi. We previously determined that the white mold fungus, , infected with Sclerotinia sclerotiorum hypovirus 2-L (SsHV2-L) exhibits reduced virulence, delayed/reduced sclerotial formation, and enhanced production of aerial mycelia. To gain better insight into the cellular basis for these changes, we characterized changes in mRNA and small RNA (sRNA) accumulation in to infection by SsHV2-L.