Identification of Virulences of the Rust Fungus Melampsora larici-populina Occurring in Chile.
Identifieur interne : 000019 ( Main/Exploration ); précédent : 000018; suivant : 000020Identification of Virulences of the Rust Fungus Melampsora larici-populina Occurring in Chile.
Auteurs : Marta V. Albornoz [Chili] ; Mauricio Lolas [Chili] ; Jaime A. Verdugo [Chili] ; Claudio C. Ramírez [Chili]Source :
- Plant disease [ 0191-2917 ] ; 2018.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Basidiomycota.
- isolement et purification : Basidiomycota.
- microbiologie : Maladies des plantes, Populus.
- pathogénicité : Basidiomycota.
- Basidiomycota, Chili, Virulence.
- Wicri :
- geographic : Chili.
English descriptors
- KwdEn :
- MESH :
- geographic : Chile.
- genetics : Basidiomycota.
- isolation & purification : Basidiomycota.
- microbiology : Plant Diseases, Populus.
- pathogenicity : Basidiomycota.
- ultrastructure : Basidiomycota.
- Virulence.
Abstract
Melampsora larici-populina Kleb. is a Eurasian species that causes leaf rust of many species of Populus from sections Tacamahaca and Aigeiros. This rust has been inadvertently introduced to many parts around the world affecting poplar species that grow naturally, which may be susceptible to this fungus. In Chile, early European settlers introduced poplars; rust, attributed to M. larici-populina, has been reported in these trees since 1918. However, a modern confirmation has been lacking, and pathogenic variation of the Chilean population of M. larici-populina has not been investigated. Using a morphological analysis of urediniospores and sequencing of internal transcribed spacer (ITS) regions, we confirmed the presence of M. larici-populina in Chile. ITS regions exhibited 100% homology with M. larici-populina. Scanning electron microscopy showed that spores were 26 to 47 µm in length, 13 to 16 µm in width, and echinulate except for apices, which are smooth, characteristics described for this species of rust. The variability of M. larici-populina is characterized by the presence of pathotypes, which allows the fungus to infect despite the resistance of certain poplar hybrids. We concluded that the identified spores belong to M. larici-populina, with virulences 1, 2, 3, 4, 5, and 6. These results describe variation in virulence of M. larici-populina, which suggests the presence of a sexual stage in Chile.
DOI: 10.1094/PDIS-01-18-0033-RE
PubMed: 30216126
Affiliations:
Links toward previous steps (curation, corpus...)
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Ramírez</name><affiliation wicri:level="1"><nlm:affiliation>Centre for Molecular and Functional Ecology, Instituto de Ciencias Biológicas, Universidad de Talca, Chile.</nlm:affiliation><country xml:lang="fr">Chili</country><wicri:regionArea>Centre for Molecular and Functional Ecology, Instituto de Ciencias Biológicas, Universidad de Talca</wicri:regionArea><wicri:noRegion>Universidad de Talca</wicri:noRegion></affiliation></author></analytic><series><title level="j">Plant disease</title><idno type="ISSN">0191-2917</idno><imprint><date when="2018" type="published">2018</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Basidiomycota (genetics)</term><term>Basidiomycota (isolation & purification)</term><term>Basidiomycota (pathogenicity)</term><term>Basidiomycota (ultrastructure)</term><term>Chile (MeSH)</term><term>Plant Diseases (microbiology)</term><term>Populus (microbiology)</term><term>Virulence (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Basidiomycota (génétique)</term><term>Basidiomycota (isolement et purification)</term><term>Basidiomycota (pathogénicité)</term><term>Basidiomycota (ultrastructure)</term><term>Chili (MeSH)</term><term>Maladies des plantes (microbiologie)</term><term>Populus (microbiologie)</term><term>Virulence (MeSH)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Chile</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Basidiomycota</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Basidiomycota</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Basidiomycota</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Basidiomycota</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Maladies des plantes</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Diseases</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="pathogenicity" xml:lang="en"><term>Basidiomycota</term></keywords><keywords scheme="MESH" qualifier="pathogénicité" xml:lang="fr"><term>Basidiomycota</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Basidiomycota</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Virulence</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Basidiomycota</term><term>Chili</term><term>Virulence</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Chili</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Melampsora larici-populina Kleb. is a Eurasian species that causes leaf rust of many species of Populus from sections Tacamahaca and Aigeiros. This rust has been inadvertently introduced to many parts around the world affecting poplar species that grow naturally, which may be susceptible to this fungus. In Chile, early European settlers introduced poplars; rust, attributed to M. larici-populina, has been reported in these trees since 1918. However, a modern confirmation has been lacking, and pathogenic variation of the Chilean population of M. larici-populina has not been investigated. Using a morphological analysis of urediniospores and sequencing of internal transcribed spacer (ITS) regions, we confirmed the presence of M. larici-populina in Chile. ITS regions exhibited 100% homology with M. larici-populina. Scanning electron microscopy showed that spores were 26 to 47 µm in length, 13 to 16 µm in width, and echinulate except for apices, which are smooth, characteristics described for this species of rust. The variability of M. larici-populina is characterized by the presence of pathotypes, which allows the fungus to infect despite the resistance of certain poplar hybrids. We concluded that the identified spores belong to M. larici-populina, with virulences 1, 2, 3, 4, 5, and 6. These results describe variation in virulence of M. larici-populina, which suggests the presence of a sexual stage in Chile.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">30216126</PMID><DateCompleted><Year>2019</Year><Month>02</Month><Day>21</Day></DateCompleted><DateRevised><Year>2019</Year><Month>02</Month><Day>21</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">0191-2917</ISSN><JournalIssue CitedMedium="Print"><Volume>102</Volume><Issue>11</Issue><PubDate><Year>2018</Year><Month>11</Month></PubDate></JournalIssue><Title>Plant disease</Title><ISOAbbreviation>Plant Dis</ISOAbbreviation></Journal><ArticleTitle>Identification of Virulences of the Rust Fungus Melampsora larici-populina Occurring in Chile.</ArticleTitle><Pagination><MedlinePgn>2201-2204</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1094/PDIS-01-18-0033-RE</ELocationID><Abstract><AbstractText>Melampsora larici-populina Kleb. is a Eurasian species that causes leaf rust of many species of Populus from sections Tacamahaca and Aigeiros. This rust has been inadvertently introduced to many parts around the world affecting poplar species that grow naturally, which may be susceptible to this fungus. In Chile, early European settlers introduced poplars; rust, attributed to M. larici-populina, has been reported in these trees since 1918. However, a modern confirmation has been lacking, and pathogenic variation of the Chilean population of M. larici-populina has not been investigated. Using a morphological analysis of urediniospores and sequencing of internal transcribed spacer (ITS) regions, we confirmed the presence of M. larici-populina in Chile. ITS regions exhibited 100% homology with M. larici-populina. Scanning electron microscopy showed that spores were 26 to 47 µm in length, 13 to 16 µm in width, and echinulate except for apices, which are smooth, characteristics described for this species of rust. The variability of M. larici-populina is characterized by the presence of pathotypes, which allows the fungus to infect despite the resistance of certain poplar hybrids. We concluded that the identified spores belong to M. larici-populina, with virulences 1, 2, 3, 4, 5, and 6. These results describe variation in virulence of M. larici-populina, which suggests the presence of a sexual stage in Chile.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Albornoz</LastName><ForeName>Marta V</ForeName><Initials>MV</Initials><AffiliationInfo><Affiliation>Centro Regional de Innovación Hortofrutícola de Valparaíso Ceres, Pontificia Universidad Católica de Valparaíso, Quillota, Chile.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lolas</LastName><ForeName>Mauricio</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Laboratorio de Fitopatología, Facultad de Ciencias Agrarias, Universidad de Talca, Chile.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Verdugo</LastName><ForeName>Jaime A</ForeName><Initials>JA</Initials><AffiliationInfo><Affiliation>Centre for Molecular and Functional Ecology, Instituto de Ciencias Biológicas, Universidad de Talca, Chile.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Ramírez</LastName><ForeName>Claudio C</ForeName><Initials>CC</Initials><Identifier Source="ORCID">0000-0002-6110-3973</Identifier><AffiliationInfo><Affiliation>Centre for Molecular and Functional Ecology, Instituto de Ciencias Biológicas, Universidad de Talca, Chile.</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></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2018</Year><Month>09</Month><Day>12</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Plant Dis</MedlineTA><NlmUniqueID>9882809</NlmUniqueID><ISSNLinking>0191-2917</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001487" MajorTopicYN="N">Basidiomycota</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000302" MajorTopicYN="N">isolation & purification</QualifierName><QualifierName UI="Q000472" MajorTopicYN="Y">pathogenicity</QualifierName><QualifierName UI="Q000648" MajorTopicYN="N">ultrastructure</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002677" MajorTopicYN="N" Type="Geographic">Chile</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010935" MajorTopicYN="N">Plant Diseases</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014774" MajorTopicYN="N">Virulence</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2018</Year><Month>9</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2019</Year><Month>2</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2018</Year><Month>9</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">30216126</ArticleId><ArticleId IdType="doi">10.1094/PDIS-01-18-0033-RE</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Chili</li></country></list><tree><country name="Chili"><noRegion><name sortKey="Albornoz, Marta V" sort="Albornoz, Marta V" uniqKey="Albornoz M" first="Marta V" last="Albornoz">Marta V. Albornoz</name></noRegion><name sortKey="Lolas, Mauricio" sort="Lolas, Mauricio" uniqKey="Lolas M" first="Mauricio" last="Lolas">Mauricio Lolas</name><name sortKey="Ramirez, Claudio C" sort="Ramirez, Claudio C" uniqKey="Ramirez C" first="Claudio C" last="Ramírez">Claudio C. Ramírez</name><name sortKey="Verdugo, Jaime A" sort="Verdugo, Jaime A" uniqKey="Verdugo J" first="Jaime A" last="Verdugo">Jaime A. Verdugo</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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