ArticleArchives of microbiology2021
The dsRNA mycovirus ChNRV1 causes mild hypervirulence in the fungal phytopathogen Colletotrichum higginsianum.
Article in Archives of microbiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Identification of Mycoviral Infections.Methods in molecular biology (Clifton, N.J.) · 2027Article
- Mycoviruses against plant pathogenic fungi: current understanding and future avenues of their potential implication.Archives of microbiology · 2026Review
- The Expanding Mycovirome ofJournal of fungi (Basel, Switzerland) · 2024Review
- Greetings from virologists to mycologists: A review outlining viruses that live in fungi.Mycoscience · 2024Article
- Determination of the Mycovirome of a Necrotrophic Fungus.Methods in molecular biology (Clifton, N.J.) · 2024Article
- Molecular characterization of two new alternaviruses identified in members of the fungal family Nectriaceae.Archives of microbiology · 2023Article
- Diversity of Mycoviruses Present in Strains of BinucleateJournal of fungi (Basel, Switzerland) · 2023Article
- Viral cross-class transmission results in disease of a phytopathogenic fungus.The ISME journal · 2022Article
- Three new mycoviruses identified in the apple replant disease (ARD)-associated fungus Rugonectria rugulosa.Virus genes · 2022Article
- Infection ofViruses · 2022Article
- Mycovirus-encoded suppressors of RNA silencing: Possible allies or enemies in the use of RNAi to control fungal disease in crops.Frontiers in fungal biology · 2022Review
- A New Double-Stranded RNA Mycovirus inJournal of fungi (Basel, Switzerland) · 2021Article
- Article
- Transcriptional Responses ofJournal of fungi (Basel, Switzerland) · 2021Article
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Authors and funding
2 authors.
Funding
Abstract
The genus Colletotrichum comprises a large number of filamentous fungi responsible for anthracnose diseases in many tropical and subtropical fruits and vegetables. In particular, Colletotrichum higginsianum infects Brassicaceae species, including Arabidopsis. The C. higginsianum strain IMI349063A is naturally infected with a dsRNA virus, named Colletorichum higginsianum non-segmented virus (ChNRV1). Here, we investigated the biological effect of ChNRV1 in C. higginsianum by comparing strains with and without the virus. ChNRV1 does not have an effect on C. higginsianum growth under salt and cell-wall stress conditions. However, thermal stress reduced C. higginsianum growth rate, this effect being more evident in the wild-type C. higginsianum strain containing the virus. Although ChNRV1 had no effect in conidiation, conidia were narrower when the virus is present. More importantly, ChNRV1 causes a mild increase in C. higginsianum virulence (hypervirulence) when infecting Arabidopsis plants. These findings indicated that, whereas the ChNRV1 mycovirus does not impair growth and conidiation of C. higginsianum, it confers hypervirulence to the fungal host. These findings will help in future research on the effect of mycoviral infection on pathogenic fungi in plant species of agronomical relevance.
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