chestnut blight fungus
Distribution and population structure of the chestnut blight fungus in Romania
... and thus restricts hypovirus transmission. Vc type diversity is one of the factors affecting hypovirus spread in C. parasitica population and success of biological control (Milgroom & Cortesi 2004). C. parasitica ...
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A Host Factor Involved in Hypovirus Symptom Expression in the Chestnut Blight Fungus, Cryphonectria parasitica
... The prototype hypovirus CHV1-EP713 causes virulence attenuation and severe suppression of asexual sporulation and pigmentation in its host, the chestnut blight fungus, Cryphonectria parasitica. We ...
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Evidence for a Role of the Regulator of G-Protein Signaling Protein CPRGS-1 in Gα Subunit CPG-1-Mediated Regulation of Fungal Virulence, Conidiation, and Hydrophobin Synthesis in the Chestnut Blight Fungus Cryphonectria parasitica
... the chestnut blight fungus Cryphonectria parasitica expresses at least three G-protein ␣ subunits and that G ␣ subunit CPG-1 is essential for regulated growth, pigmentation, sporulation, and ...
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Ste12 Transcription Factor Homologue CpST12 Is Down-Regulated by Hypovirus Infection and Required for Virulence and Female Fertility of the Chestnut Blight Fungus Cryphonectria parasitica
... the chestnut blight fungus, Cryphonectria parasitica, infected by virulence-attenuating ...on chestnut tissue and a complete loss of female fertility, two symptoms normally conferred by ...
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Comparative Analysis of Alterations in Host Phenotype and Transcript Accumulation following Hypovirus and Mycoreovirus Infections of the Chestnut Blight Fungus Cryphonectria parasitica
... the chestnut blight fungus, Cryphonectria parasitica, by hypovirus CHV1-EP713 or by reovirus MyRV1-Cp9B21 or MyRV2-CpC18 results in reduced fungal virulence ...
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Use of cDNA Microarrays To Monitor Transcriptional Responses of the Chestnut Blight Fungus Cryphonectria parasitica to Infection by Virulence-Attenuating Hypoviruses
... Hypoviruses are a family of cytoplasmically replicating RNA viruses of the chestnut blight fungus Cryphonec- tria parasitica. Members of this mycovirus family persistently alter virulence ...
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Characterization of Hypovirus-Derived Small RNAs Generated in the Chestnut Blight Fungus by an Inducible DCL-2-Dependent Pathway
... The disruption of one of two dicer genes, dcl-2, of the chestnut blight fungus Cryphonectria parasitica was recently shown to increase susceptibility to mycovirus infection (G. C. Segers, X. Zhang, ...
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Linkage between Mitochondrial Hypovirulence and Viral Hypovirulence in the Chestnut Blight Fungus Revealed by cDNA Microarray Analysis
... the chestnut blight fungus Cryphonectria parasitica can be experimentally reproduced by infection with hypovirus cDNA clones (viral hypovirulence) or by mutation of mitochondrial DNA (mtDNA) in the ...
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Molecular Characterization of Vegetative Incompatibility Genes That Restrict Hypovirus Transmission in the Chestnut Blight Fungus Cryphonectria parasitica
... ABSTRACT Genetic nonself recognition systems such as vegetative incompatibility operate in many filamentous fungi to regulate hyphal fusion between genetically dissimilar individuals and to restrict the spread of ...
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Vegetative Incompatibility Loci with Dedicated Roles in Allorecognition Restrict Mycovirus Transmission in Chestnut Blight Fungus
... ABSTRACT Vegetative incompatibility (vic), a form of nonself allorecognition, operates widely in fi lamentous fungi and restricts transmission of virulence-attenuating hypoviruses in the chestnut blight ...
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Infectious cDNA Clone of Hypovirus CHV1-Euro7: a Comparative Virology Approach To Investigate Virus-Mediated Hypovirulence of the Chestnut Blight Fungus Cryphonectria parasitica
... 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 ...
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Genetic Control of Horizontal Virus Transmission in the Chestnut Blight Fungus, Cryphonectria parasitica
... Vegetative incompatibility in fungi has long been known to reduce the transmission of viruses between individuals, but the barrier to transmission is incomplete. In replicated laboratory assays, we showed conclusively ...
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A Hydrophobin of the Chestnut Blight Fungus, Cryphonectria parasitica, Is Required for Stromal Pustule Eruption
... The exterior surfaces of plants are formidable barriers to pathogens. Most plant pathogens are unable to directly pene- trate these barriers, and those that can penetrate these barriers have evolved remarkable strategies ...
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Hypovirus Papain-Like Protease p48 Is Required for Initiation but Not for Maintenance of Virus RNA Propagation in the Chestnut Blight Fungus Cryphonectria parasitica
... The prototypic hypovirus CHV1-EP713, responsible for virulence attenuation (hypovirulence) of the chest- nut blight fungus Cryphonectria parasitica, encodes two papain-like proteases, p29 and p48. Protein ...
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Hypovirus-Responsive Transcription Factor Gene pro1 of the Chestnut Blight Fungus Cryphonectria parasitica Is Required for Female Fertility, Asexual Spore Development, and Stable Maintenance of Hypovirus Infection
... RNA isolation and semiquantitative real-time RT-PCR. Total RNA was pre- pared from cultures grown on PDA-cellophane as described previously (30). For samples used for sexual stage RNA preparation, the entire stroma, ...
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Papain-like protease p29 as a symptom determinant encoded by a hypovirulence-associated virus of the chestnut blight fungus.
... EP155 spheroplasts were transformed with pCPXHYI derivatives containing either the fulllength L-dsRNA cDNA clone plasmid pXH9, yielding the transformant designated HAV or the L-dsRNA cDN[r] ...
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DNA fingerprinting and analysis of population structure in the chestnut blight fungus, Cryphonectria parasitica.
... Because of the stability and lack of linkage among most restriction fragments hy- bridizing to pMS5.1, we feel confident interpreting each fragment as an independent [r] ...
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Chestnut Hill Farm
... Thinking of the Farm family takes me back to my own family and has made me wonder, again, as to why I am so drawn back to Chestnut Hill. My father was a great and influential university scholar. But he still kept ...
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Identification and pathogenicity of fusarium and phomopsis foliar diseases of Jatropha curcas L. in North-west States of Nigeria
... Phomopsis blight obtained in Wanke, Nasarawa Wanke and ‘Yartukunya in Zamfara State could be attributed to the fact that, Jatropha curcas in those areas were planted as fences in upland farms assumed to have low ...
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Scavenging capacity of superoxide radical and screening of antimicrobial activity of Castanea sativa Mill extracts
... and chestnut bark as well as of Lovran’s marrone leaves and grafted Italian marrone ...of chestnut were extracted under the same conditions with 50% ethanol as extractant and afterwards the dry extracts of ...
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