Standard and Swedish variant types of the hybrid alder Phytophthora attacking alder in Hungary
Identifieur interne : 000C73 ( Istex/Corpus ); précédent : 000C72; suivant : 000C74Standard and Swedish variant types of the hybrid alder Phytophthora attacking alder in Hungary
Auteurs : Zoltán Nagy ; J Zsef Bakonyi ; Tibor ÉrsekSource :
- Pest Management Science [ 1526-498X ] ; 2003-04.
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Abstract
A new Phytophthora disease of common alder (Alnus glutinosa) similar to that previously reported in several countries in Europe has been observed in Hungary. Based on these earlier studies, the alder Phytophthora was considered likely to be a hybrid between P cambivora and a P fragariae‐like species: across Europe a range of new alder Phytophthora is spreading that comprise a range of heteroploid hybrids including a ‘standard’ hybrid type and several other hybrid types termed ‘variants’. Phenotypic and molecular features of the pathogen in Hungary were characterised and compared with isolates from elsewhere. The morphologies of five isolates from one region (Hévíz) resembled the common, ‘standard’ type, whereas the three isolates from another region (Hanság) exhibited traits similar to those of one of the ‘variant’ types, ie the Swedish ‘variant’. Molecular markers of these two groups of Hungarian isolates also represented a good fit to those of the standard type and the Swedish variant, respectively. Isozyme patterns and profiles of restriction fragments of the entire internal transcribed spacer (ITS) region or mitochondrial DNAs and of RAPD‐PCR products did not differ within a group, but distinct polymorphisms were exhibited between the two groups of isolates. Southern analysis of random amplified polymorphic DNA (RAPD) revealed the homologous nature of co‐migrating bands of P cambivora and the isolates of alder Phytophthora. Furthermore, restriction fragment profiles of the ITS region of ribosomal DNAs and the mtDNAs were consistent with reported biparental origin of alder Phytophthora. The hybrid status of these continuously evolving pathogens raises many issues and challenges concerning efficient control measures. © 2003 Society of Chemical Industry
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DOI: 10.1002/ps.681
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Sci.</title><idno type="ISSN">1526-498X</idno><idno type="eISSN">1526-4998</idno><imprint><publisher>John Wiley & Sons, Ltd.</publisher><pubPlace>Chichester, UK</pubPlace><date type="published" when="2003-04">2003-04</date><biblScope unit="volume">59</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="484">484</biblScope><biblScope unit="page" to="492">492</biblScope></imprint><idno type="ISSN">1526-498X</idno></series><idno type="istex">F93DE0F35C6151CFB3AD6B1F1D57C7C5DB3103DA</idno><idno type="DOI">10.1002/ps.681</idno><idno type="ArticleID">PS681</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1526-498X</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Phytophthora</term><term>alder</term><term>species hybrids</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A new Phytophthora disease of common alder (Alnus glutinosa) similar to that previously reported in several countries in Europe has been observed in Hungary. Based on these earlier studies, the alder Phytophthora was considered likely to be a hybrid between P cambivora and a P fragariae‐like species: across Europe a range of new alder Phytophthora is spreading that comprise a range of heteroploid hybrids including a ‘standard’ hybrid type and several other hybrid types termed ‘variants’. Phenotypic and molecular features of the pathogen in Hungary were characterised and compared with isolates from elsewhere. The morphologies of five isolates from one region (Hévíz) resembled the common, ‘standard’ type, whereas the three isolates from another region (Hanság) exhibited traits similar to those of one of the ‘variant’ types, ie the Swedish ‘variant’. Molecular markers of these two groups of Hungarian isolates also represented a good fit to those of the standard type and the Swedish variant, respectively. Isozyme patterns and profiles of restriction fragments of the entire internal transcribed spacer (ITS) region or mitochondrial DNAs and of RAPD‐PCR products did not differ within a group, but distinct polymorphisms were exhibited between the two groups of isolates. Southern analysis of random amplified polymorphic DNA (RAPD) revealed the homologous nature of co‐migrating bands of P cambivora and the isolates of alder Phytophthora. Furthermore, restriction fragment profiles of the ITS region of ribosomal DNAs and the mtDNAs were consistent with reported biparental origin of alder Phytophthora. The hybrid status of these continuously evolving pathogens raises many issues and challenges concerning efficient control measures. © 2003 Society of Chemical Industry</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Zoltán Á Nagy</name><affiliations><json:string>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525 Hungary</json:string></affiliations></json:item><json:item><name>József Bakonyi</name><affiliations><json:string>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525 Hungary</json:string></affiliations></json:item><json:item><name>Tibor Érsek</name><affiliations><json:string>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525 Hungary</json:string><json:string>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525, Hungary</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>alder</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Phytophthora</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>species hybrids</value></json:item></subject><articleId><json:string>PS681</json:string></articleId><language><json:string>eng</json:string></language><originalGenre><json:string>article</json:string></originalGenre><abstract>A new Phytophthora disease of common alder (Alnus glutinosa) similar to that previously reported in several countries in Europe has been observed in Hungary. Based on these earlier studies, the alder Phytophthora was considered likely to be a hybrid between P cambivora and a P fragariae‐like species: across Europe a range of new alder Phytophthora is spreading that comprise a range of heteroploid hybrids including a ‘standard’ hybrid type and several other hybrid types termed ‘variants’. Phenotypic and molecular features of the pathogen in Hungary were characterised and compared with isolates from elsewhere. The morphologies of five isolates from one region (Hévíz) resembled the common, ‘standard’ type, whereas the three isolates from another region (Hanság) exhibited traits similar to those of one of the ‘variant’ types, ie the Swedish ‘variant’. Molecular markers of these two groups of Hungarian isolates also represented a good fit to those of the standard type and the Swedish variant, respectively. Isozyme patterns and profiles of restriction fragments of the entire internal transcribed spacer (ITS) region or mitochondrial DNAs and of RAPD‐PCR products did not differ within a group, but distinct polymorphisms were exhibited between the two groups of isolates. Southern analysis of random amplified polymorphic DNA (RAPD) revealed the homologous nature of co‐migrating bands of P cambivora and the isolates of alder Phytophthora. Furthermore, restriction fragment profiles of the ITS region of ribosomal DNAs and the mtDNAs were consistent with reported biparental origin of alder Phytophthora. 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Science</title><doi><json:string>10.1002/(ISSN)1526-4998</json:string></doi></host><publicationDate>2003</publicationDate><copyrightDate>2003</copyrightDate><doi><json:string>10.1002/ps.681</json:string></doi><id>F93DE0F35C6151CFB3AD6B1F1D57C7C5DB3103DA</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/F93DE0F35C6151CFB3AD6B1F1D57C7C5DB3103DA/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/F93DE0F35C6151CFB3AD6B1F1D57C7C5DB3103DA/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/F93DE0F35C6151CFB3AD6B1F1D57C7C5DB3103DA/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Standard and Swedish variant types of the hybrid alder Phytophthora attacking alder in Hungary</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>John Wiley & Sons, Ltd.</publisher><pubPlace>Chichester, UK</pubPlace><availability><p>© 2003 Society of Chemical Industry</p></availability><date>2003</date></publicationStmt><notesStmt><note type="content">*One of a collection of papers on various aspects of current research on pest management in Hungary, collated by Dr István Ujváry</note><note>National Research Fund, Hungary (OTKA) - No. F 038325;</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Standard and Swedish variant types of the hybrid alder Phytophthora attacking alder in Hungary</title><author xml:id="author-1"><persName><forename type="first">Zoltán Á</forename><surname>Nagy</surname></persName><affiliation>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525 Hungary</affiliation></author><author xml:id="author-2"><persName><forename type="first">József</forename><surname>Bakonyi</surname></persName><affiliation>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525 Hungary</affiliation></author><author xml:id="author-3"><persName><forename type="first">Tibor</forename><surname>Érsek</surname></persName><affiliation>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525 Hungary</affiliation><affiliation>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525, Hungary</affiliation></author></analytic><monogr><title level="j">Pest Management Science</title><title level="j" type="sub">formerly Pesticide Science</title><title level="j" type="abbrev">Pest. Manag. Sci.</title><idno type="pISSN">1526-498X</idno><idno type="eISSN">1526-4998</idno><idno type="DOI">10.1002/(ISSN)1526-4998</idno><imprint><publisher>John Wiley & Sons, Ltd.</publisher><pubPlace>Chichester, UK</pubPlace><date type="published" when="2003-04"></date><biblScope unit="volume">59</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="484">484</biblScope><biblScope unit="page" to="492">492</biblScope></imprint></monogr><idno type="istex">F93DE0F35C6151CFB3AD6B1F1D57C7C5DB3103DA</idno><idno type="DOI">10.1002/ps.681</idno><idno type="ArticleID">PS681</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>2003</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>A new Phytophthora disease of common alder (Alnus glutinosa) similar to that previously reported in several countries in Europe has been observed in Hungary. Based on these earlier studies, the alder Phytophthora was considered likely to be a hybrid between P cambivora and a P fragariae‐like species: across Europe a range of new alder Phytophthora is spreading that comprise a range of heteroploid hybrids including a ‘standard’ hybrid type and several other hybrid types termed ‘variants’. Phenotypic and molecular features of the pathogen in Hungary were characterised and compared with isolates from elsewhere. The morphologies of five isolates from one region (Hévíz) resembled the common, ‘standard’ type, whereas the three isolates from another region (Hanság) exhibited traits similar to those of one of the ‘variant’ types, ie the Swedish ‘variant’. Molecular markers of these two groups of Hungarian isolates also represented a good fit to those of the standard type and the Swedish variant, respectively. Isozyme patterns and profiles of restriction fragments of the entire internal transcribed spacer (ITS) region or mitochondrial DNAs and of RAPD‐PCR products did not differ within a group, but distinct polymorphisms were exhibited between the two groups of isolates. Southern analysis of random amplified polymorphic DNA (RAPD) revealed the homologous nature of co‐migrating bands of P cambivora and the isolates of alder Phytophthora. Furthermore, restriction fragment profiles of the ITS region of ribosomal DNAs and the mtDNAs were consistent with reported biparental origin of alder Phytophthora. 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Based on these earlier studies, the alder <i>Phytophthora</i> was considered likely to be a hybrid between <i>P cambivora</i> and a <i>P fragariae</i>‐like species: across Europe a range of new alder <i>Phytophthora</i> is spreading that comprise a range of heteroploid hybrids including a ‘standard’ hybrid type and several other hybrid types termed ‘variants’. Phenotypic and molecular features of the pathogen in Hungary were characterised and compared with isolates from elsewhere. The morphologies of five isolates from one region (Hévíz) resembled the common, ‘standard’ type, whereas the three isolates from another region (Hanság) exhibited traits similar to those of one of the ‘variant’ types, ie the Swedish ‘variant’. Molecular markers of these two groups of Hungarian isolates also represented a good fit to those of the standard type and the Swedish variant, respectively. Isozyme patterns and profiles of restriction fragments of the entire internal transcribed spacer (ITS) region or mitochondrial DNAs and of RAPD‐PCR products did not differ within a group, but distinct polymorphisms were exhibited between the two groups of isolates. Southern analysis of random amplified polymorphic DNA (RAPD) revealed the homologous nature of co‐migrating bands of <i>P cambivora</i> and the isolates of alder <i>Phytophthora</i>. Furthermore, restriction fragment profiles of the ITS region of ribosomal DNAs and the mtDNAs were consistent with reported biparental origin of alder <i>Phytophthora</i>. The hybrid status of these continuously evolving pathogens raises many issues and challenges concerning efficient control measures.</p><p>© 2003 Society of Chemical Industry</p></abstract></abstractGroup></contentMeta><noteGroup><note xml:id="fn1"><p>One of a collection of papers on various aspects of current research on pest management in Hungary, collated by Dr István Ujváry</p></note></noteGroup></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Standard and Swedish variant types of the hybrid alder Phytophthora attacking alder in Hungary</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>Variant types of hybrid alder Phytophthora</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Standard and Swedish variant types of the hybrid alder Phytophthora attacking alder in Hungary</title></titleInfo><name type="personal"><namePart type="given">Zoltán Á</namePart><namePart type="family">Nagy</namePart><affiliation>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525 Hungary</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">József</namePart><namePart type="family">Bakonyi</namePart><affiliation>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525 Hungary</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Tibor</namePart><namePart type="family">Érsek</namePart><affiliation>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525 Hungary</affiliation><affiliation>Department of Plant Pathology, Plant Protection Institute, Hungarian Academy of Sciences, PO Box 102, Budapest, H‐1525, Hungary</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>John Wiley & Sons, Ltd.</publisher><place><placeTerm type="text">Chichester, UK</placeTerm></place><dateIssued encoding="w3cdtf">2003-04</dateIssued><dateCaptured encoding="w3cdtf">2002-06-05</dateCaptured><dateValid encoding="w3cdtf">2002-11-12</dateValid><copyrightDate encoding="w3cdtf">2003</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType><extent unit="figures">5</extent><extent unit="tables">2</extent><extent unit="references">37</extent></physicalDescription><abstract lang="en">A new Phytophthora disease of common alder (Alnus glutinosa) similar to that previously reported in several countries in Europe has been observed in Hungary. Based on these earlier studies, the alder Phytophthora was considered likely to be a hybrid between P cambivora and a P fragariae‐like species: across Europe a range of new alder Phytophthora is spreading that comprise a range of heteroploid hybrids including a ‘standard’ hybrid type and several other hybrid types termed ‘variants’. Phenotypic and molecular features of the pathogen in Hungary were characterised and compared with isolates from elsewhere. The morphologies of five isolates from one region (Hévíz) resembled the common, ‘standard’ type, whereas the three isolates from another region (Hanság) exhibited traits similar to those of one of the ‘variant’ types, ie the Swedish ‘variant’. Molecular markers of these two groups of Hungarian isolates also represented a good fit to those of the standard type and the Swedish variant, respectively. Isozyme patterns and profiles of restriction fragments of the entire internal transcribed spacer (ITS) region or mitochondrial DNAs and of RAPD‐PCR products did not differ within a group, but distinct polymorphisms were exhibited between the two groups of isolates. Southern analysis of random amplified polymorphic DNA (RAPD) revealed the homologous nature of co‐migrating bands of P cambivora and the isolates of alder Phytophthora. Furthermore, restriction fragment profiles of the ITS region of ribosomal DNAs and the mtDNAs were consistent with reported biparental origin of alder Phytophthora. The hybrid status of these continuously evolving pathogens raises many issues and challenges concerning efficient control measures. © 2003 Society of Chemical Industry</abstract><note type="content">*One of a collection of papers on various aspects of current research on pest management in Hungary, collated by Dr István Ujváry</note><note type="funding">National Research Fund, Hungary (OTKA) - No. F 038325; </note><subject lang="en"><genre>keywords</genre><topic>alder</topic><topic>Phytophthora</topic><topic>species hybrids</topic></subject><relatedItem type="host"><titleInfo><title>Pest Management Science</title><subTitle>formerly Pesticide Science</subTitle></titleInfo><titleInfo type="abbreviated"><title>Pest. Manag. 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