Identification of heterotic loci associated with yield-related traits in Chinese common wild rice ( Oryza rufipogon Griff.)
Many rice breeding programs have currently reached yield plateaus as a result of limited genetic variability in parental strains. Dongxiang common wild rice (Oryza rufipogon Griff.) is the progenitor of cultivated rice (Oryza sativa L.) and serves as an important gene pool for the genetic improvemen...
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| Veröffentlicht in: | Plant science (Limerick) 2011-07, Vol.181 (1), p.14-22 |
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| creator | Luo, Xiaojin Wu, Shuang Tian, Feng Xin, Xiaoyun Zha, Xiaojun Dong, Xianxin Fu, Yongcai Wang, Xiangkun Yang, Jinshui Sun, Chuanqing |
| description | Many rice breeding programs have currently reached yield plateaus as a result of limited genetic variability in parental strains. Dongxiang common wild rice (Oryza rufipogon Griff.) is the progenitor of cultivated rice (Oryza sativa L.) and serves as an important gene pool for the genetic improvement of rice cultivars. In this study, heterotic loci (HLs) associated with six yield-related traits were identified in wild and cultivated rice and investigated using a set of 265 introgression lines (ILs) of O. rufipogon Griff. in the background of the Indica high-yielding cultivar Guichao 2 (O. sativa L.). Forty-two HLs were detected by a single point analysis of mid-parent heterosis values from test cross F₁ offspring, and 30 (71.5%) of these HLs showed significantly positive effects, consistent with the superiority shown by the F₁ test cross population in the six yield-related traits under study. Genetic mapping of hsp11, a locus responsible for the number of spikelets per panicle, confirmed the utility of these HLs. The results indicate that favorable HLs capable of improving agronomic traits are available. The identification of HLs between wild rice and cultivated rice could lead to a new strategy for the application of heterosis in rice breeding. |
| doi_str_mv | 10.1016/j.plantsci.2010.12.009 |
| format | Article |
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Dongxiang common wild rice (Oryza rufipogon Griff.) is the progenitor of cultivated rice (Oryza sativa L.) and serves as an important gene pool for the genetic improvement of rice cultivars. In this study, heterotic loci (HLs) associated with six yield-related traits were identified in wild and cultivated rice and investigated using a set of 265 introgression lines (ILs) of O. rufipogon Griff. in the background of the Indica high-yielding cultivar Guichao 2 (O. sativa L.). Forty-two HLs were detected by a single point analysis of mid-parent heterosis values from test cross F₁ offspring, and 30 (71.5%) of these HLs showed significantly positive effects, consistent with the superiority shown by the F₁ test cross population in the six yield-related traits under study. Genetic mapping of hsp11, a locus responsible for the number of spikelets per panicle, confirmed the utility of these HLs. The results indicate that favorable HLs capable of improving agronomic traits are available. The identification of HLs between wild rice and cultivated rice could lead to a new strategy for the application of heterosis in rice breeding.</description><identifier>ISSN: 0168-9452</identifier><identifier>EISSN: 1873-2259</identifier><identifier>DOI: 10.1016/j.plantsci.2010.12.009</identifier><identifier>PMID: 21600393</identifier><identifier>CODEN: PLSCE4</identifier><language>eng</language><publisher>Shannon: Elsevier Ireland Ltd</publisher><subject>agronomic traits ; Agronomy. Soil science and plant productions ; Biological and medical sciences ; Chromosome Mapping ; Chromosomes, Plant - genetics ; Common wild rice ; Crops, Agricultural - genetics ; Crops, Agricultural - growth & development ; Crosses, Genetic ; cultivars ; DNA, Plant - genetics ; Fine mapping ; Fundamental and applied biological sciences. Psychology ; genes ; Genes, Plant ; genetic improvement ; genetic variation ; Genetics and breeding of economic plants ; heterosis ; Heterosis. Floral biology applications: apomixy, male sterility, incompatibility, varia ; Heterotic loci ; Hybrid Vigor ; inflorescences ; Interspecific and intergeneric hybridization, introgressions ; introgression ; Introgression lines ; loci ; Microsatellite Repeats ; Oryza - genetics ; Oryza - growth & development ; Oryza rufipogon ; Oryza sativa ; Phenotype ; Plant breeding: fundamental aspects and methodology ; progeny ; Quantitative Trait Loci ; Seeds - genetics ; Seeds - growth & development ; testcrosses ; wild rice</subject><ispartof>Plant science (Limerick), 2011-07, Vol.181 (1), p.14-22</ispartof><rights>2011</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2011. 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Dongxiang common wild rice (Oryza rufipogon Griff.) is the progenitor of cultivated rice (Oryza sativa L.) and serves as an important gene pool for the genetic improvement of rice cultivars. In this study, heterotic loci (HLs) associated with six yield-related traits were identified in wild and cultivated rice and investigated using a set of 265 introgression lines (ILs) of O. rufipogon Griff. in the background of the Indica high-yielding cultivar Guichao 2 (O. sativa L.). Forty-two HLs were detected by a single point analysis of mid-parent heterosis values from test cross F₁ offspring, and 30 (71.5%) of these HLs showed significantly positive effects, consistent with the superiority shown by the F₁ test cross population in the six yield-related traits under study. Genetic mapping of hsp11, a locus responsible for the number of spikelets per panicle, confirmed the utility of these HLs. The results indicate that favorable HLs capable of improving agronomic traits are available. The identification of HLs between wild rice and cultivated rice could lead to a new strategy for the application of heterosis in rice breeding.</description><subject>agronomic traits</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>Chromosome Mapping</subject><subject>Chromosomes, Plant - genetics</subject><subject>Common wild rice</subject><subject>Crops, Agricultural - genetics</subject><subject>Crops, Agricultural - growth & development</subject><subject>Crosses, Genetic</subject><subject>cultivars</subject><subject>DNA, Plant - genetics</subject><subject>Fine mapping</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>genes</subject><subject>Genes, Plant</subject><subject>genetic improvement</subject><subject>genetic variation</subject><subject>Genetics and breeding of economic plants</subject><subject>heterosis</subject><subject>Heterosis. Floral biology applications: apomixy, male sterility, incompatibility, varia</subject><subject>Heterotic loci</subject><subject>Hybrid Vigor</subject><subject>inflorescences</subject><subject>Interspecific and intergeneric hybridization, introgressions</subject><subject>introgression</subject><subject>Introgression lines</subject><subject>loci</subject><subject>Microsatellite Repeats</subject><subject>Oryza - genetics</subject><subject>Oryza - growth & development</subject><subject>Oryza rufipogon</subject><subject>Oryza sativa</subject><subject>Phenotype</subject><subject>Plant breeding: fundamental aspects and methodology</subject><subject>progeny</subject><subject>Quantitative Trait Loci</subject><subject>Seeds - genetics</subject><subject>Seeds - growth & development</subject><subject>testcrosses</subject><subject>wild rice</subject><issn>0168-9452</issn><issn>1873-2259</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1vEzEQQC0EoiHwF4ovCDhs8Ld3b0URlEqVeoCeLcc7bhztroPtUAX-PA5J4UZPI43fzHjmIXROyYISqj5sFtvBTiW7sGDkkGQLQronaEZbzRvGZPcUzSrYNp2Q7Ay9yHlDCGFS6ufojFFFCO_4DP266mEqwQdnS4gTjh6voUCKJTg8RBewzbkGW6DH96Gs8T7A0DcJhj-pkmwoGYcJL9dhggzYxXGsje7D0OMUHOB3-Cbtf1qcdj5s4119u0zB-8X7l-iZt0OGV6c4R7efP31bfmmuby6vlh-vGye0Lg3zrXI9o0TYVctav9KECa84VYoKTsE7Yrn0nHCiuWyV1EqvWus5EOW4F3yO3h77blP8voNczBiyg6EeEOIum44IoTtJu0fJVivGtWhpJdWRdCnmnMCbbQqjTXtDiTkYMhvzYMgcDBnKTDVUC89PI3arEfq_ZQ9KKvDmBNjs7OCTnVzI_zhBO9nWZefo9ZHzNhp7lypz-7VOElUz51qq_xJUSaorcXEkoJ7_R4Bk6ndhctCHBK6YPobH9vkNGfXEbA</recordid><startdate>20110701</startdate><enddate>20110701</enddate><creator>Luo, Xiaojin</creator><creator>Wu, Shuang</creator><creator>Tian, Feng</creator><creator>Xin, Xiaoyun</creator><creator>Zha, Xiaojun</creator><creator>Dong, Xianxin</creator><creator>Fu, Yongcai</creator><creator>Wang, Xiangkun</creator><creator>Yang, Jinshui</creator><creator>Sun, Chuanqing</creator><general>Elsevier Ireland Ltd</general><general>[Ireland]: Elsevier Science Ireland Ltd</general><general>Elsevier</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>7X8</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope></search><sort><creationdate>20110701</creationdate><title>Identification of heterotic loci associated with yield-related traits in Chinese common wild rice ( Oryza rufipogon Griff.)</title><author>Luo, Xiaojin ; Wu, Shuang ; Tian, Feng ; Xin, Xiaoyun ; Zha, Xiaojun ; Dong, Xianxin ; Fu, Yongcai ; Wang, Xiangkun ; Yang, Jinshui ; Sun, Chuanqing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c477t-2f86cd2104ab828fb7024f631661431efc0a35f3030735865767b8af3e06c3f43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>agronomic traits</topic><topic>Agronomy. Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>Chromosome Mapping</topic><topic>Chromosomes, Plant - genetics</topic><topic>Common wild rice</topic><topic>Crops, Agricultural - genetics</topic><topic>Crops, Agricultural - growth & development</topic><topic>Crosses, Genetic</topic><topic>cultivars</topic><topic>DNA, Plant - genetics</topic><topic>Fine mapping</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>genes</topic><topic>Genes, Plant</topic><topic>genetic improvement</topic><topic>genetic variation</topic><topic>Genetics and breeding of economic plants</topic><topic>heterosis</topic><topic>Heterosis. Floral biology applications: apomixy, male sterility, incompatibility, varia</topic><topic>Heterotic loci</topic><topic>Hybrid Vigor</topic><topic>inflorescences</topic><topic>Interspecific and intergeneric hybridization, introgressions</topic><topic>introgression</topic><topic>Introgression lines</topic><topic>loci</topic><topic>Microsatellite Repeats</topic><topic>Oryza - genetics</topic><topic>Oryza - growth & development</topic><topic>Oryza rufipogon</topic><topic>Oryza sativa</topic><topic>Phenotype</topic><topic>Plant breeding: fundamental aspects and methodology</topic><topic>progeny</topic><topic>Quantitative Trait Loci</topic><topic>Seeds - genetics</topic><topic>Seeds - growth & development</topic><topic>testcrosses</topic><topic>wild rice</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Luo, Xiaojin</creatorcontrib><creatorcontrib>Wu, Shuang</creatorcontrib><creatorcontrib>Tian, Feng</creatorcontrib><creatorcontrib>Xin, Xiaoyun</creatorcontrib><creatorcontrib>Zha, Xiaojun</creatorcontrib><creatorcontrib>Dong, Xianxin</creatorcontrib><creatorcontrib>Fu, Yongcai</creatorcontrib><creatorcontrib>Wang, Xiangkun</creatorcontrib><creatorcontrib>Yang, Jinshui</creatorcontrib><creatorcontrib>Sun, Chuanqing</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>MEDLINE - Academic</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Plant science (Limerick)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Luo, Xiaojin</au><au>Wu, Shuang</au><au>Tian, Feng</au><au>Xin, Xiaoyun</au><au>Zha, Xiaojun</au><au>Dong, Xianxin</au><au>Fu, Yongcai</au><au>Wang, Xiangkun</au><au>Yang, Jinshui</au><au>Sun, Chuanqing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Identification of heterotic loci associated with yield-related traits in Chinese common wild rice ( Oryza rufipogon Griff.)</atitle><jtitle>Plant science (Limerick)</jtitle><addtitle>Plant Sci</addtitle><date>2011-07-01</date><risdate>2011</risdate><volume>181</volume><issue>1</issue><spage>14</spage><epage>22</epage><pages>14-22</pages><issn>0168-9452</issn><eissn>1873-2259</eissn><coden>PLSCE4</coden><abstract>Many rice breeding programs have currently reached yield plateaus as a result of limited genetic variability in parental strains. Dongxiang common wild rice (Oryza rufipogon Griff.) is the progenitor of cultivated rice (Oryza sativa L.) and serves as an important gene pool for the genetic improvement of rice cultivars. In this study, heterotic loci (HLs) associated with six yield-related traits were identified in wild and cultivated rice and investigated using a set of 265 introgression lines (ILs) of O. rufipogon Griff. in the background of the Indica high-yielding cultivar Guichao 2 (O. sativa L.). Forty-two HLs were detected by a single point analysis of mid-parent heterosis values from test cross F₁ offspring, and 30 (71.5%) of these HLs showed significantly positive effects, consistent with the superiority shown by the F₁ test cross population in the six yield-related traits under study. Genetic mapping of hsp11, a locus responsible for the number of spikelets per panicle, confirmed the utility of these HLs. The results indicate that favorable HLs capable of improving agronomic traits are available. The identification of HLs between wild rice and cultivated rice could lead to a new strategy for the application of heterosis in rice breeding.</abstract><cop>Shannon</cop><pub>Elsevier Ireland Ltd</pub><pmid>21600393</pmid><doi>10.1016/j.plantsci.2010.12.009</doi><tpages>9</tpages></addata></record> |
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| subjects | agronomic traits Agronomy. Soil science and plant productions Biological and medical sciences Chromosome Mapping Chromosomes, Plant - genetics Common wild rice Crops, Agricultural - genetics Crops, Agricultural - growth & development Crosses, Genetic cultivars DNA, Plant - genetics Fine mapping Fundamental and applied biological sciences. Psychology genes Genes, Plant genetic improvement genetic variation Genetics and breeding of economic plants heterosis Heterosis. Floral biology applications: apomixy, male sterility, incompatibility, varia Heterotic loci Hybrid Vigor inflorescences Interspecific and intergeneric hybridization, introgressions introgression Introgression lines loci Microsatellite Repeats Oryza - genetics Oryza - growth & development Oryza rufipogon Oryza sativa Phenotype Plant breeding: fundamental aspects and methodology progeny Quantitative Trait Loci Seeds - genetics Seeds - growth & development testcrosses wild rice |
| title | Identification of heterotic loci associated with yield-related traits in Chinese common wild rice ( Oryza rufipogon Griff.) |
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