A novel monopartite dsRNA virus isolated from the entomopathogenic and nematophagous fungus Purpureocillium lilacinum

A novel monopartite dsRNA virus isolated from the entomopathogenic and nematophagous fungus... Purpureocillium lilacinum is a ubiquitous saprophytic fungus commonly isolated from soils and widely known as a biological control agent against phytopathogenic nematodes and pest insects. Mycoviruses infect a wide number of fungal species, but the study of viruses infecting entomopathogenic fungi is still quite recent. In this study, a total of 86 P. lilacinum isolates collected from soil in natural and cultivated habitats throughout the Czech Republic were analyzed; 22 % of the isolates harbored double-stranded RNA (dsRNA) elements with viral characteristics. These results suggest that mycoviruses are common in P. lilacinum. One of the most common dsRNA elements detected in the survey was completely sequenced and corresponded to the 2,864-bp genome of a previously undescribed mycovirus, designated Purpureocillium lilacinum nonsegmented virus 1 (PlNV-1). Phylogenetic analysis of the RNA-dependent RNA polymerase of PlNV-1 indicated that this virus might belong to a new taxon related to the family Partitiviridae. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

A novel monopartite dsRNA virus isolated from the entomopathogenic and nematophagous fungus Purpureocillium lilacinum

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Publisher
Springer Vienna
Copyright
Copyright © 2016 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-016-3045-y
Publisher site
See Article on Publisher Site

Abstract

Purpureocillium lilacinum is a ubiquitous saprophytic fungus commonly isolated from soils and widely known as a biological control agent against phytopathogenic nematodes and pest insects. Mycoviruses infect a wide number of fungal species, but the study of viruses infecting entomopathogenic fungi is still quite recent. In this study, a total of 86 P. lilacinum isolates collected from soil in natural and cultivated habitats throughout the Czech Republic were analyzed; 22 % of the isolates harbored double-stranded RNA (dsRNA) elements with viral characteristics. These results suggest that mycoviruses are common in P. lilacinum. One of the most common dsRNA elements detected in the survey was completely sequenced and corresponded to the 2,864-bp genome of a previously undescribed mycovirus, designated Purpureocillium lilacinum nonsegmented virus 1 (PlNV-1). Phylogenetic analysis of the RNA-dependent RNA polymerase of PlNV-1 indicated that this virus might belong to a new taxon related to the family Partitiviridae.

Journal

Archives of VirologySpringer Journals

Published: Sep 3, 2016

References

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