Genetic mapping reveals a single major QTL for bacterial wilt resistance in Italian ryegrass (Lolium multiflorum Lam.)
Bacterial wilt caused by Xanthomonas translucens pv. graminis (Xtg) is a major disease of economically important forage crops such as ryegrasses and fescues. Targeted breeding based on seedling inoculation has resulted in cultivars with considerable levels of resistance. However, the mechanisms of i...
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| Veröffentlicht in: | Theoretical and applied genetics 2006-08, Vol.113 (4), p.661-671 |
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| creator | Studer, B Boller, B Herrmann, D Bauer, E Posselt, U.K Widmer, F Kolliker, R |
| description | Bacterial wilt caused by Xanthomonas translucens pv. graminis (Xtg) is a major disease of economically important forage crops such as ryegrasses and fescues. Targeted breeding based on seedling inoculation has resulted in cultivars with considerable levels of resistance. However, the mechanisms of inheritance of resistance are poorly understood and further breeding progress is difficult to obtain. This study aimed to assess the relevance of the seedling screening in the glasshouse for adult plant resistance in the field and to investigate genetic control of resistance to bacterial wilt in Italian ryegrass (Lolium multiflorum Lam.). A mapping population consisting of 306 F1 individuals was established and resistance to bacterial wilt was assessed in glasshouse and field experiments. Highly correlated data (r = 0.67-0.77, P < 0.01) between trial locations demonstrated the suitability of glasshouse screens for phenotypic selection. Analysis of quantitative trait loci (QTL) based on a high density genetic linkage map consisting of 368 amplified fragment length polymorphism (AFLP) and simple sequence repeat (SSR) markers revealed a single major QTL on linkage group (LG) 4 explaining 67% of the total phenotypic variance (Vp). In addition, a minor QTL was observed on LG 5. Field experiments confirmed the major QTL on LG 4 to explain 43% (in 2004) to 84% (in 2005) of Vp and also revealed additional minor QTLs on LG 1, LG 4 and LG 6. The identified QTLs and the closely linked markers represent important targets for marker-assisted selection of Italian ryegrass. |
| doi_str_mv | 10.1007/s00122-006-0330-2 |
| format | Article |
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Targeted breeding based on seedling inoculation has resulted in cultivars with considerable levels of resistance. However, the mechanisms of inheritance of resistance are poorly understood and further breeding progress is difficult to obtain. This study aimed to assess the relevance of the seedling screening in the glasshouse for adult plant resistance in the field and to investigate genetic control of resistance to bacterial wilt in Italian ryegrass (Lolium multiflorum Lam.). A mapping population consisting of 306 F1 individuals was established and resistance to bacterial wilt was assessed in glasshouse and field experiments. Highly correlated data (r = 0.67-0.77, P < 0.01) between trial locations demonstrated the suitability of glasshouse screens for phenotypic selection. Analysis of quantitative trait loci (QTL) based on a high density genetic linkage map consisting of 368 amplified fragment length polymorphism (AFLP) and simple sequence repeat (SSR) markers revealed a single major QTL on linkage group (LG) 4 explaining 67% of the total phenotypic variance (Vp). In addition, a minor QTL was observed on LG 5. Field experiments confirmed the major QTL on LG 4 to explain 43% (in 2004) to 84% (in 2005) of Vp and also revealed additional minor QTLs on LG 1, LG 4 and LG 6. The identified QTLs and the closely linked markers represent important targets for marker-assisted selection of Italian ryegrass.</description><identifier>ISSN: 0040-5752</identifier><identifier>EISSN: 1432-2242</identifier><identifier>DOI: 10.1007/s00122-006-0330-2</identifier><identifier>PMID: 16799808</identifier><identifier>CODEN: THAGA6</identifier><language>eng</language><publisher>Heidelberg: Springer</publisher><subject>amplified fragment length polymorphism ; artificial selection ; Bacteria ; bacterial wilt ; Biological and medical sciences ; Breeding ; Chromosome Mapping ; Classical genetics, quantitative genetics, hybrids ; disease resistance ; Fundamental and applied biological sciences. Psychology ; Genetic Linkage ; Genetic Markers ; Genetics ; Genetics of eukaryotes. Biological and molecular evolution ; Genomics ; Immunity, Innate - genetics ; Lolium - genetics ; Lolium - microbiology ; Lolium multiflorum ; mature plants ; Methods, theories and miscellaneous ; microsatellite repeats ; Phenotype ; phenotypic selection ; Plant Diseases - genetics ; Plant Diseases - microbiology ; Pteridophyta, spermatophyta ; Quantitative Trait Loci ; Seedlings - genetics ; Seedlings - microbiology ; Vegetals ; Xanthomonas ; Xanthomonas translucens ; Xanthomonas translucens pv. graminis</subject><ispartof>Theoretical and applied genetics, 2006-08, Vol.113 (4), p.661-671</ispartof><rights>2006 INIST-CNRS</rights><rights>Springer-Verlag 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c411t-c866773e577e51ff8716d04d5fbf860ad260a22c0dea53ccf6108f71fe8d6f463</citedby><cites>FETCH-LOGICAL-c411t-c866773e577e51ff8716d04d5fbf860ad260a22c0dea53ccf6108f71fe8d6f463</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18058964$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16799808$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Studer, B</creatorcontrib><creatorcontrib>Boller, B</creatorcontrib><creatorcontrib>Herrmann, D</creatorcontrib><creatorcontrib>Bauer, E</creatorcontrib><creatorcontrib>Posselt, U.K</creatorcontrib><creatorcontrib>Widmer, F</creatorcontrib><creatorcontrib>Kolliker, R</creatorcontrib><title>Genetic mapping reveals a single major QTL for bacterial wilt resistance in Italian ryegrass (Lolium multiflorum Lam.)</title><title>Theoretical and applied genetics</title><addtitle>Theor Appl Genet</addtitle><description>Bacterial wilt caused by Xanthomonas translucens pv. graminis (Xtg) is a major disease of economically important forage crops such as ryegrasses and fescues. Targeted breeding based on seedling inoculation has resulted in cultivars with considerable levels of resistance. However, the mechanisms of inheritance of resistance are poorly understood and further breeding progress is difficult to obtain. This study aimed to assess the relevance of the seedling screening in the glasshouse for adult plant resistance in the field and to investigate genetic control of resistance to bacterial wilt in Italian ryegrass (Lolium multiflorum Lam.). A mapping population consisting of 306 F1 individuals was established and resistance to bacterial wilt was assessed in glasshouse and field experiments. Highly correlated data (r = 0.67-0.77, P < 0.01) between trial locations demonstrated the suitability of glasshouse screens for phenotypic selection. Analysis of quantitative trait loci (QTL) based on a high density genetic linkage map consisting of 368 amplified fragment length polymorphism (AFLP) and simple sequence repeat (SSR) markers revealed a single major QTL on linkage group (LG) 4 explaining 67% of the total phenotypic variance (Vp). In addition, a minor QTL was observed on LG 5. Field experiments confirmed the major QTL on LG 4 to explain 43% (in 2004) to 84% (in 2005) of Vp and also revealed additional minor QTLs on LG 1, LG 4 and LG 6. The identified QTLs and the closely linked markers represent important targets for marker-assisted selection of Italian ryegrass.</description><subject>amplified fragment length polymorphism</subject><subject>artificial selection</subject><subject>Bacteria</subject><subject>bacterial wilt</subject><subject>Biological and medical sciences</subject><subject>Breeding</subject><subject>Chromosome Mapping</subject><subject>Classical genetics, quantitative genetics, hybrids</subject><subject>disease resistance</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetic Linkage</subject><subject>Genetic Markers</subject><subject>Genetics</subject><subject>Genetics of eukaryotes. Biological and molecular evolution</subject><subject>Genomics</subject><subject>Immunity, Innate - genetics</subject><subject>Lolium - genetics</subject><subject>Lolium - microbiology</subject><subject>Lolium multiflorum</subject><subject>mature plants</subject><subject>Methods, theories and miscellaneous</subject><subject>microsatellite repeats</subject><subject>Phenotype</subject><subject>phenotypic selection</subject><subject>Plant Diseases - genetics</subject><subject>Plant Diseases - microbiology</subject><subject>Pteridophyta, spermatophyta</subject><subject>Quantitative Trait Loci</subject><subject>Seedlings - genetics</subject><subject>Seedlings - microbiology</subject><subject>Vegetals</subject><subject>Xanthomonas</subject><subject>Xanthomonas translucens</subject><subject>Xanthomonas translucens pv. graminis</subject><issn>0040-5752</issn><issn>1432-2242</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqF0c9rFDEUB_Agil2rf4AXDYKih6nvJZMfc5SitTAgYnsO2UyyZMnMrMlMpf-9KbtQ8OIlLyGfvJB8CXmNcIEA6nMBQMYaANkA59CwJ2SDLWcNYy17SjYALTRCCXZGXpSyBwAmgD8nZyhV12nQG3J35Se_REdHezjEaUezv_M2FWppqcvk68Z-zvTnTU9DrVvrFp-jTfRPTEvVJZbFTs7TONHrxaZoJ5rv_S7bUujHfk5xHem4piWGNOc67-148ekleRbqLf7VqZ6T229fby6_N_2Pq-vLL33jWsSlcVpKpbgXSnmBIWiFcoB2EGEbtAQ7sDow5mDwVnDngkTQQWHwepChlfycfDj2PeT59-rLYsZYnE_JTn5ei5FaatSd-i_ETjDBlK7w3T9wP695qo8wmkHHgSFWhEfk8lxK9sEcchxtvjcI5iE6c4zO1OjMQ3SG1TNvTo3X7eiHxxOnrCp4fwK2OJtCrt8ey6PTIHQn2-reHl2ws7G7XM3tLwbIAaFrhWr5X_Ahqd0</recordid><startdate>20060801</startdate><enddate>20060801</enddate><creator>Studer, B</creator><creator>Boller, B</creator><creator>Herrmann, D</creator><creator>Bauer, E</creator><creator>Posselt, U.K</creator><creator>Widmer, F</creator><creator>Kolliker, R</creator><general>Springer</general><general>Springer Nature B.V</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SS</scope><scope>7TK</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>RC3</scope><scope>7QL</scope><scope>7T7</scope><scope>C1K</scope><scope>7X8</scope></search><sort><creationdate>20060801</creationdate><title>Genetic mapping reveals a single major QTL for bacterial wilt resistance in Italian ryegrass (Lolium multiflorum Lam.)</title><author>Studer, B ; Boller, B ; Herrmann, D ; Bauer, E ; Posselt, U.K ; Widmer, F ; Kolliker, R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c411t-c866773e577e51ff8716d04d5fbf860ad260a22c0dea53ccf6108f71fe8d6f463</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>amplified fragment length polymorphism</topic><topic>artificial selection</topic><topic>Bacteria</topic><topic>bacterial wilt</topic><topic>Biological and medical sciences</topic><topic>Breeding</topic><topic>Chromosome Mapping</topic><topic>Classical genetics, quantitative genetics, hybrids</topic><topic>disease resistance</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Genetic Linkage</topic><topic>Genetic Markers</topic><topic>Genetics</topic><topic>Genetics of eukaryotes. Biological and molecular evolution</topic><topic>Genomics</topic><topic>Immunity, Innate - genetics</topic><topic>Lolium - genetics</topic><topic>Lolium - microbiology</topic><topic>Lolium multiflorum</topic><topic>mature plants</topic><topic>Methods, theories and miscellaneous</topic><topic>microsatellite repeats</topic><topic>Phenotype</topic><topic>phenotypic selection</topic><topic>Plant Diseases - genetics</topic><topic>Plant Diseases - microbiology</topic><topic>Pteridophyta, spermatophyta</topic><topic>Quantitative Trait Loci</topic><topic>Seedlings - genetics</topic><topic>Seedlings - microbiology</topic><topic>Vegetals</topic><topic>Xanthomonas</topic><topic>Xanthomonas translucens</topic><topic>Xanthomonas translucens pv. graminis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Studer, B</creatorcontrib><creatorcontrib>Boller, B</creatorcontrib><creatorcontrib>Herrmann, D</creatorcontrib><creatorcontrib>Bauer, E</creatorcontrib><creatorcontrib>Posselt, U.K</creatorcontrib><creatorcontrib>Widmer, F</creatorcontrib><creatorcontrib>Kolliker, R</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Neurosciences Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Genetics Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>MEDLINE - Academic</collection><jtitle>Theoretical and applied genetics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Studer, B</au><au>Boller, B</au><au>Herrmann, D</au><au>Bauer, E</au><au>Posselt, U.K</au><au>Widmer, F</au><au>Kolliker, R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Genetic mapping reveals a single major QTL for bacterial wilt resistance in Italian ryegrass (Lolium multiflorum Lam.)</atitle><jtitle>Theoretical and applied genetics</jtitle><addtitle>Theor Appl Genet</addtitle><date>2006-08-01</date><risdate>2006</risdate><volume>113</volume><issue>4</issue><spage>661</spage><epage>671</epage><pages>661-671</pages><issn>0040-5752</issn><eissn>1432-2242</eissn><coden>THAGA6</coden><abstract>Bacterial wilt caused by Xanthomonas translucens pv. graminis (Xtg) is a major disease of economically important forage crops such as ryegrasses and fescues. Targeted breeding based on seedling inoculation has resulted in cultivars with considerable levels of resistance. However, the mechanisms of inheritance of resistance are poorly understood and further breeding progress is difficult to obtain. This study aimed to assess the relevance of the seedling screening in the glasshouse for adult plant resistance in the field and to investigate genetic control of resistance to bacterial wilt in Italian ryegrass (Lolium multiflorum Lam.). A mapping population consisting of 306 F1 individuals was established and resistance to bacterial wilt was assessed in glasshouse and field experiments. Highly correlated data (r = 0.67-0.77, P < 0.01) between trial locations demonstrated the suitability of glasshouse screens for phenotypic selection. Analysis of quantitative trait loci (QTL) based on a high density genetic linkage map consisting of 368 amplified fragment length polymorphism (AFLP) and simple sequence repeat (SSR) markers revealed a single major QTL on linkage group (LG) 4 explaining 67% of the total phenotypic variance (Vp). In addition, a minor QTL was observed on LG 5. Field experiments confirmed the major QTL on LG 4 to explain 43% (in 2004) to 84% (in 2005) of Vp and also revealed additional minor QTLs on LG 1, LG 4 and LG 6. The identified QTLs and the closely linked markers represent important targets for marker-assisted selection of Italian ryegrass.</abstract><cop>Heidelberg</cop><cop>Berlin</cop><pub>Springer</pub><pmid>16799808</pmid><doi>10.1007/s00122-006-0330-2</doi><tpages>11</tpages></addata></record> |
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| subjects | amplified fragment length polymorphism artificial selection Bacteria bacterial wilt Biological and medical sciences Breeding Chromosome Mapping Classical genetics, quantitative genetics, hybrids disease resistance Fundamental and applied biological sciences. Psychology Genetic Linkage Genetic Markers Genetics Genetics of eukaryotes. Biological and molecular evolution Genomics Immunity, Innate - genetics Lolium - genetics Lolium - microbiology Lolium multiflorum mature plants Methods, theories and miscellaneous microsatellite repeats Phenotype phenotypic selection Plant Diseases - genetics Plant Diseases - microbiology Pteridophyta, spermatophyta Quantitative Trait Loci Seedlings - genetics Seedlings - microbiology Vegetals Xanthomonas Xanthomonas translucens Xanthomonas translucens pv. graminis |
| title | Genetic mapping reveals a single major QTL for bacterial wilt resistance in Italian ryegrass (Lolium multiflorum Lam.) |
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