Armillaria root rot fungi host single-stranded RNA viruses

Abstract Species of Armillaria are distributed globally and include some of the most important pathogens of forest and ornamental trees. Some of them form large long-living clones that are considered as one of the largest organisms on earth and are capable of long-range spore-mediated transfer as we...

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Autores principales:	Riikka Linnakoski, Suvi Sutela, Martin P. A. Coetzee, Tuan A. Duong, Igor N. Pavlov, Yulia A. Litovka, Jarkko Hantula, Brenda D. Wingfield, Eeva J. Vainio
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4f6accffd97b453eb88cb6fbe2a33fe4
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spelling	oai:doaj.org-article:4f6accffd97b453eb88cb6fbe2a33fe42021-12-02T14:24:56ZArmillaria root rot fungi host single-stranded RNA viruses10.1038/s41598-021-86343-72045-2322https://doaj.org/article/4f6accffd97b453eb88cb6fbe2a33fe42021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86343-7https://doaj.org/toc/2045-2322Abstract Species of Armillaria are distributed globally and include some of the most important pathogens of forest and ornamental trees. Some of them form large long-living clones that are considered as one of the largest organisms on earth and are capable of long-range spore-mediated transfer as well as vegetative spread by drought-resistant hyphal cords called rhizomorphs. However, the virus community infecting these species has remained unknown. In this study we used dsRNA screening and high-throughput sequencing to search for possible virus infections in a collection of Armillaria isolates representing three different species: Armillaria mellea from South Africa, A. borealis from Finland and Russia (Siberia) and A. cepistipes from Finland. Our analysis revealed the presence of both negative-sense RNA viruses and positive-sense RNA viruses, while no dsRNA viruses were detected. The viruses included putative new members of virus families Mymonaviridae, Botourmiaviridae and Virgaviridae and members of a recently discovered virus group tentatively named “ambiviruses” with ambisense bicistronic genomic organization. We demonstrated that Armillaria isolates can be cured of viruses by thermal treatment, which enables the examination of virus effects on host growth and phenotype using isogenic virus-infected and virus-free strains.Riikka LinnakoskiSuvi SutelaMartin P. A. CoetzeeTuan A. DuongIgor N. PavlovYulia A. LitovkaJarkko HantulaBrenda D. WingfieldEeva J. VainioNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-15 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Riikka Linnakoski Suvi Sutela Martin P. A. Coetzee Tuan A. Duong Igor N. Pavlov Yulia A. Litovka Jarkko Hantula Brenda D. Wingfield Eeva J. Vainio Armillaria root rot fungi host single-stranded RNA viruses
description	Abstract Species of Armillaria are distributed globally and include some of the most important pathogens of forest and ornamental trees. Some of them form large long-living clones that are considered as one of the largest organisms on earth and are capable of long-range spore-mediated transfer as well as vegetative spread by drought-resistant hyphal cords called rhizomorphs. However, the virus community infecting these species has remained unknown. In this study we used dsRNA screening and high-throughput sequencing to search for possible virus infections in a collection of Armillaria isolates representing three different species: Armillaria mellea from South Africa, A. borealis from Finland and Russia (Siberia) and A. cepistipes from Finland. Our analysis revealed the presence of both negative-sense RNA viruses and positive-sense RNA viruses, while no dsRNA viruses were detected. The viruses included putative new members of virus families Mymonaviridae, Botourmiaviridae and Virgaviridae and members of a recently discovered virus group tentatively named “ambiviruses” with ambisense bicistronic genomic organization. We demonstrated that Armillaria isolates can be cured of viruses by thermal treatment, which enables the examination of virus effects on host growth and phenotype using isogenic virus-infected and virus-free strains.
format	article
author	Riikka Linnakoski Suvi Sutela Martin P. A. Coetzee Tuan A. Duong Igor N. Pavlov Yulia A. Litovka Jarkko Hantula Brenda D. Wingfield Eeva J. Vainio
author_facet	Riikka Linnakoski Suvi Sutela Martin P. A. Coetzee Tuan A. Duong Igor N. Pavlov Yulia A. Litovka Jarkko Hantula Brenda D. Wingfield Eeva J. Vainio
author_sort	Riikka Linnakoski
title	Armillaria root rot fungi host single-stranded RNA viruses
title_short	Armillaria root rot fungi host single-stranded RNA viruses
title_full	Armillaria root rot fungi host single-stranded RNA viruses
title_fullStr	Armillaria root rot fungi host single-stranded RNA viruses
title_full_unstemmed	Armillaria root rot fungi host single-stranded RNA viruses
title_sort	armillaria root rot fungi host single-stranded rna viruses
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/4f6accffd97b453eb88cb6fbe2a33fe4
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Armillaria root rot fungi host single-stranded RNA viruses

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