Donald L. Nuss

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Hypovirulence: Mycoviruses at the fungal–plant interface

Donald L. Nuss
Nature Reviews Microbiology
2005

Whereas most mycoviruses lead 'secret lives', some reduce the ability of their fungal hosts to cause disease in plants. This property, known as hypovirulence, has attracted attention owing to the… (More)

Targeted disruption of a fungal G-protein beta subunit gene results in increased vegetative growth but reduced virulence.

Shin Kasahara, Donald L. Nuss
Molecular plant-microbe interactions : MPMI
1997

Targeted disruption of two G-protein alpha subunit genes in the chestnut blight fungus Cryphonectria parasitica revealed roles for the Gi alpha subunit CPG-1 in fungal reproduction, virulence, and… (More)

Evidence that RNA silencing functions as an antiviral defense mechanism in fungi.

Gert C. Segers, Xuemin Zhang, Fuyou Deng, Qihong Sun, Donald L. Nuss
Proceedings of the National Academy of Sciences…
2007

The role of RNA silencing as an antiviral defense mechanism in fungi was examined by testing the effect of dicer gene disruptions on mycovirus infection of the chestnut blight fungus Cryphonectria… (More)

Contribution of protein p40 to hypovirus-mediated modulation of fungal host phenotype and viral RNA accumulation.

Nobuhiro Suzuki, Donald L. Nuss
Journal of virology
2002

The papain-like protease p29, derived from the N-terminal portion of the hypovirus CHV1-EP713-encoded open reading frame (ORF) A polyprotein, p69, was previously shown to contribute to reduced… (More)

Distinct roles for two G protein alpha subunits in fungal virulence, morphology, and reproduction revealed by targeted gene disruption.

Shan Gao, Donald L. Nuss
Proceedings of the National Academy of Sciences…
1996

Reduced accumulation of the GTP-binding protein G(i)alpha subunit CPG-1, due either to hypovirus infection or transgenic cosuppression, correlates with virulence attenuation of the chestnut blight… (More)

Infectious cDNA clone of hypovirus CHV1-Euro7: a comparative virology approach to investigate virus-mediated hypovirulence of the chestnut blight fungus Cryphonectria parasitica.

Baoshan Chen, Donald L. Nuss
Journal of virology
1999

We report the construction of a full-length infectious cDNA clone for hypovirus CHV1-Euro7, which is associated with reduced virulence (hypovirulence) of the chestnut blight fungus Cryphonectria… (More)

Use of cDNA microarrays to monitor transcriptional responses of the chestnut blight fungus Cryphonectria parasitica to infection by virulence-attenuating hypoviruses.

Todd D. Allen, Angus L. Dawe, Donald L. Nuss
Eukaryotic cell
2003

Hypoviruses are a family of cytoplasmically replicating RNA viruses of the chestnut blight fungus Cryphonectria parasitica. Members of this mycovirus family persistently alter virulence… (More)

Hypovirus papain-like protease p29 functions in trans to enhance viral double-stranded RNA accumulation and vertical transmission.

Nobuhiro Suzuki, Kazuyuki Maruyama, Miho Moriyama, Donald L. Nuss
Journal of virology
2003

The prototypic hypovirus CHV1-EP713 attenuates virulence (hypovirulence) and alters several physiological processes of the chestnut blight fungus Cryphonectria parasitica. The papain-like protease,… (More)

Hypovirulence of chestnut blight fungus conferred by an infectious viral cDNA.

Strains of the chestnut blight fungus Cryphonectria parasitica that contain viral double-stranded RNAs often exhibit reduced virulence. Such hypovirulent strains act as biocontrol agents by virtue of… (More)

A single Argonaute gene is required for induction of RNA silencing antiviral defense and promotes viral RNA recombination.

Qihong Sun, Gil H. Choi, Donald L. Nuss
Proceedings of the National Academy of Sciences…
2009

Dicer gene dcl2, required for the RNA silencing antiviral defense response in the chestnut blight fungus Cryphonectria parasitica, is inducible upon mycovirus infection and promotes viral RNA… (More)

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