PiRV-2 stimulates sporulation in Phytophthora infestans.
Identifieur interne : 000417 ( Main/Exploration ); précédent : 000416; suivant : 000418PiRV-2 stimulates sporulation in Phytophthora infestans.
Auteurs : Guohong Cai [États-Unis] ; William E. Fry [États-Unis] ; Bradley I. Hillman [États-Unis]Source :
- Virus research [ 1872-7492 ] ; 2019.
Descripteurs français
- KwdFr :
- MESH :
- physiologie : Virus à ARN.
- virologie : Maladies des plantes, Phytophthora infestans, Spores fongiques.
- Phénotype.
English descriptors
- KwdEn :
- MESH :
- physiology : RNA Viruses.
- virology : Phytophthora infestans, Plant Diseases, Spores, Fungal.
- Phenotype.
Abstract
Phytophthora infestans is the causal agent of potato and tomato late blight. This pathogen, which caused the Irish potato famine, is of profound historical significance and still poses a major threat in today's agroecosystems. Research on late blight epidemics usually focuses on pathogen virulence, host resistance, environmental factors and fungicide resistance. In this study, we examined the effect of PiRV-2, an RNA virus harbored by some P. infestans isolates, on its host. Comparing isogenic isolates with or without the virus demonstrated that the virus stimulated sporangia production in P. infestans. Transcriptome analysis suggested that it achieved sporulation stimulation likely through down-regulation of ammonium and amino acid intake in P. infestans. Survey of a limited P. infestans collection found PiRV-2 presence in most strains in the US-8 lineage, a very successful clonal lineage of P. infestans in North America. We suggest that PiRV-2 may affect the ecological fitness of P. infestans and thus could contribute to late blight epidemiology.
DOI: 10.1016/j.virusres.2019.197674
PubMed: 31348964
Affiliations:
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Electronic address: bradley.hillman@rutgers.edu.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant Biology and Pathology, Rutgers The State University of New Jersey, New Brunswick, NJ</wicri:regionArea><placeName><region type="state">New Jersey</region></placeName></affiliation></author></analytic><series><title level="j">Virus research</title><idno type="eISSN">1872-7492</idno><imprint><date when="2019" type="published">2019</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Phenotype (MeSH)</term><term>Phytophthora infestans (virology)</term><term>Plant Diseases (virology)</term><term>RNA Viruses (physiology)</term><term>Spores, Fungal (virology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Maladies des plantes (virologie)</term><term>Phytophthora infestans (virologie)</term><term>Phénotype (MeSH)</term><term>Spores fongiques (virologie)</term><term>Virus à ARN (physiologie)</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Virus à ARN</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>RNA Viruses</term></keywords><keywords scheme="MESH" qualifier="virologie" xml:lang="fr"><term>Maladies des plantes</term><term>Phytophthora infestans</term><term>Spores fongiques</term></keywords><keywords scheme="MESH" qualifier="virology" xml:lang="en"><term>Phytophthora infestans</term><term>Plant Diseases</term><term>Spores, Fungal</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Phenotype</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Phénotype</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Phytophthora infestans is the causal agent of potato and tomato late blight. This pathogen, which caused the Irish potato famine, is of profound historical significance and still poses a major threat in today's agroecosystems. Research on late blight epidemics usually focuses on pathogen virulence, host resistance, environmental factors and fungicide resistance. In this study, we examined the effect of PiRV-2, an RNA virus harbored by some P. infestans isolates, on its host. Comparing isogenic isolates with or without the virus demonstrated that the virus stimulated sporangia production in P. infestans. Transcriptome analysis suggested that it achieved sporulation stimulation likely through down-regulation of ammonium and amino acid intake in P. infestans. Survey of a limited P. infestans collection found PiRV-2 presence in most strains in the US-8 lineage, a very successful clonal lineage of P. infestans in North America. We suggest that PiRV-2 may affect the ecological fitness of P. infestans and thus could contribute to late blight epidemiology.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">31348964</PMID><DateCompleted><Year>2020</Year><Month>06</Month><Day>30</Day></DateCompleted><DateRevised><Year>2020</Year><Month>06</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1872-7492</ISSN><JournalIssue CitedMedium="Internet"><Volume>271</Volume><PubDate><Year>2019</Year><Month>10</Month><Day>02</Day></PubDate></JournalIssue><Title>Virus research</Title><ISOAbbreviation>Virus Res</ISOAbbreviation></Journal><ArticleTitle>PiRV-2 stimulates sporulation in Phytophthora infestans.</ArticleTitle><Pagination><MedlinePgn>197674</MedlinePgn></Pagination><ELocationID EIdType="pii" ValidYN="Y">S0168-1702(19)30318-1</ELocationID><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.virusres.2019.197674</ELocationID><Abstract><AbstractText>Phytophthora infestans is the causal agent of potato and tomato late blight. This pathogen, which caused the Irish potato famine, is of profound historical significance and still poses a major threat in today's agroecosystems. Research on late blight epidemics usually focuses on pathogen virulence, host resistance, environmental factors and fungicide resistance. In this study, we examined the effect of PiRV-2, an RNA virus harbored by some P. infestans isolates, on its host. Comparing isogenic isolates with or without the virus demonstrated that the virus stimulated sporangia production in P. infestans. Transcriptome analysis suggested that it achieved sporulation stimulation likely through down-regulation of ammonium and amino acid intake in P. infestans. Survey of a limited P. infestans collection found PiRV-2 presence in most strains in the US-8 lineage, a very successful clonal lineage of P. infestans in North America. We suggest that PiRV-2 may affect the ecological fitness of P. infestans and thus could contribute to late blight epidemiology.</AbstractText><CopyrightInformation>Published by Elsevier B.V.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Cai</LastName><ForeName>Guohong</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Crop production and Pest Control Research Unit, ARS, USDA and Botany and Plant Pathology Department, Purdue University, West Lafayette, IN, USA. Electronic address: Guohong.cai@ars.usda.gov.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Fry</LastName><ForeName>William E</ForeName><Initials>WE</Initials><AffiliationInfo><Affiliation>School of Integrative Plant Science, Cornell University, Ithaca, NY, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hillman</LastName><ForeName>Bradley I</ForeName><Initials>BI</Initials><AffiliationInfo><Affiliation>Department of Plant Biology and Pathology, Rutgers The State University of New Jersey, New Brunswick, NJ, USA. Electronic address: bradley.hillman@rutgers.edu.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2019</Year><Month>07</Month><Day>23</Day></ArticleDate></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Virus Res</MedlineTA><NlmUniqueID>8410979</NlmUniqueID><ISSNLinking>0168-1702</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D010641" MajorTopicYN="N">Phenotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055750" MajorTopicYN="N">Phytophthora infestans</DescriptorName><QualifierName UI="Q000821" MajorTopicYN="Y">virology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName><QualifierName UI="Q000821" MajorTopicYN="N">virology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012328" MajorTopicYN="N">RNA Viruses</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013172" MajorTopicYN="N">Spores, Fungal</DescriptorName><QualifierName UI="Q000821" MajorTopicYN="Y">virology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="Y">Late blight</Keyword><Keyword MajorTopicYN="Y">Phytophthora infestans RNA virus 2</Keyword><Keyword MajorTopicYN="Y">PiRV-2</Keyword><Keyword MajorTopicYN="Y">Sporulation</Keyword><Keyword MajorTopicYN="Y">Transcriptome analysis</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2019</Year><Month>05</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2019</Year><Month>07</Month><Day>21</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2019</Year><Month>07</Month><Day>22</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2019</Year><Month>7</Month><Day>28</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2020</Year><Month>7</Month><Day>1</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2019</Year><Month>7</Month><Day>27</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">31348964</ArticleId><ArticleId IdType="pii">S0168-1702(19)30318-1</ArticleId><ArticleId IdType="doi">10.1016/j.virusres.2019.197674</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Indiana</li><li>New Jersey</li><li>État de New York</li></region><settlement><li>Ithaca (New York)</li></settlement><orgName><li>Université Cornell</li></orgName></list><tree><country name="États-Unis"><region name="Indiana"><name sortKey="Cai, Guohong" sort="Cai, Guohong" uniqKey="Cai G" first="Guohong" last="Cai">Guohong Cai</name></region><name sortKey="Fry, William E" sort="Fry, William E" uniqKey="Fry W" first="William E" last="Fry">William E. 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