Genetic basis of drought resistance at reproductive stage in rice: separation of drought tolerance from drought avoidance
Drought tolerance (DT) and drought avoidance (DA) are two major mechanisms in drought resistance of higher plants. In this study, the genetic bases of DT and DA at reproductive stage in rice were analyzed using a recombinant inbred line population from a cross between an indica lowland and a tropica...
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| Veröffentlicht in: | Genetics (Austin) 2006-02, Vol.172 (2), p.1213-1228 |
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| creator | Yue, Bing Xue, Weiya Xiong, Lizhong Yu, Xinqiao Luo, Lijun Cui, Kehui Jin, Deming Xing, Yongzhong Zhang, Qifa |
| description | Drought tolerance (DT) and drought avoidance (DA) are two major mechanisms in drought resistance of higher plants. In this study, the genetic bases of DT and DA at reproductive stage in rice were analyzed using a recombinant inbred line population from a cross between an indica lowland and a tropical japonica upland cultivar. The plants were grown individually in PVC pipes and two cycles of drought stress were applied to individual plants with unstressed plants as the control. A total of 21 traits measuring fitness, yield, and the root system were investigated. Little correlation of relative yield traits with potential yield, plant size, and root traits was detected, suggesting that DT and DA were well separated in the experiment. A genetic linkage map consisting of 245 SSR markers was constructed for mapping QTL for these traits. A total of 27 QTL were resolved for 7 traits of relative performance of fitness and yield, 36 QTL for 5 root traits under control, and 38 for 7 root traits under drought stress conditions, suggesting the complexity of the genetic bases of both DT and DA. Only a small portion of QTL for fitness- and yield-related traits overlapped with QTL for root traits, indicating that DT and DA had distinct genetic bases. |
| doi_str_mv | 10.1534/genetics.105.045062 |
| format | Article |
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In this study, the genetic bases of DT and DA at reproductive stage in rice were analyzed using a recombinant inbred line population from a cross between an indica lowland and a tropical japonica upland cultivar. The plants were grown individually in PVC pipes and two cycles of drought stress were applied to individual plants with unstressed plants as the control. A total of 21 traits measuring fitness, yield, and the root system were investigated. Little correlation of relative yield traits with potential yield, plant size, and root traits was detected, suggesting that DT and DA were well separated in the experiment. A genetic linkage map consisting of 245 SSR markers was constructed for mapping QTL for these traits. A total of 27 QTL were resolved for 7 traits of relative performance of fitness and yield, 36 QTL for 5 root traits under control, and 38 for 7 root traits under drought stress conditions, suggesting the complexity of the genetic bases of both DT and DA. Only a small portion of QTL for fitness- and yield-related traits overlapped with QTL for root traits, indicating that DT and DA had distinct genetic bases.</description><identifier>ISSN: 0016-6731</identifier><identifier>ISSN: 1943-2631</identifier><identifier>EISSN: 1943-2631</identifier><identifier>DOI: 10.1534/genetics.105.045062</identifier><identifier>PMID: 16272419</identifier><identifier>CODEN: GENTAE</identifier><language>eng</language><publisher>United States: Genetics Society of America</publisher><subject>Analysis of Variance ; Chromosome Mapping ; Dehydration - metabolism ; Disasters ; Drought ; Fertility ; Genetic Markers ; Genetic Variation ; Genetics ; Investigations ; Life cycles ; Oryza - genetics ; Oryza - physiology ; Oryza sativa ; Phenotype ; Plant populations ; Plant Roots - physiology ; Quantitative Trait Loci ; Water</subject><ispartof>Genetics (Austin), 2006-02, Vol.172 (2), p.1213-1228</ispartof><rights>Copyright Genetics Society of America Feb 2006</rights><rights>Copyright © 2006 by the Genetics Society of America 2006</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c608t-890411fc713ba0a3a7990bb01fc1f519662c4902af52f151beaaa8a551d7c6793</citedby><cites>FETCH-LOGICAL-c608t-890411fc713ba0a3a7990bb01fc1f519662c4902af52f151beaaa8a551d7c6793</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,315,782,786,887,27931,27932</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16272419$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yue, Bing</creatorcontrib><creatorcontrib>Xue, Weiya</creatorcontrib><creatorcontrib>Xiong, Lizhong</creatorcontrib><creatorcontrib>Yu, Xinqiao</creatorcontrib><creatorcontrib>Luo, Lijun</creatorcontrib><creatorcontrib>Cui, Kehui</creatorcontrib><creatorcontrib>Jin, Deming</creatorcontrib><creatorcontrib>Xing, Yongzhong</creatorcontrib><creatorcontrib>Zhang, Qifa</creatorcontrib><title>Genetic basis of drought resistance at reproductive stage in rice: separation of drought tolerance from drought avoidance</title><title>Genetics (Austin)</title><addtitle>Genetics</addtitle><description>Drought tolerance (DT) and drought avoidance (DA) are two major mechanisms in drought resistance of higher plants. 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Only a small portion of QTL for fitness- and yield-related traits overlapped with QTL for root traits, indicating that DT and DA had distinct genetic bases.</description><subject>Analysis of Variance</subject><subject>Chromosome Mapping</subject><subject>Dehydration - metabolism</subject><subject>Disasters</subject><subject>Drought</subject><subject>Fertility</subject><subject>Genetic Markers</subject><subject>Genetic Variation</subject><subject>Genetics</subject><subject>Investigations</subject><subject>Life cycles</subject><subject>Oryza - genetics</subject><subject>Oryza - physiology</subject><subject>Oryza sativa</subject><subject>Phenotype</subject><subject>Plant populations</subject><subject>Plant Roots - physiology</subject><subject>Quantitative Trait Loci</subject><subject>Water</subject><issn>0016-6731</issn><issn>1943-2631</issn><issn>1943-2631</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNqFkkFv1DAUhC0EokvhFyChiAO3LO85sR1zQKoqKEiVuLRn68Vxtq6y8WInK_Xf43SXUnrpyfKXmZE8GcbeI6xRVPXnjRvd5G1aI4g11AIkf8FWqOuq5LLCl2wFgLKUqsIT9ialWwCQWjSv2QlKrniNesXuLg4pRUvJpyL0RRfDvLmZiugymGi0rqDltouhm-3k967IeOMKPxbRW_elSG5HkSYfxsf-KQwu3tv7GLYPmPbBdwt-y171NCT37niesuvv367Of5SXvy5-np9dllZCM5WNhhqxtwqrloAqUlpD20JG2AvUUnJba-DUC96jwNYRUUNCYKesVLo6ZV8Pubu53brOunGKNJhd9FuKdyaQN_9_Gf2N2YS9wVpIjkvAp2NADL9nlyaz9cm6YaDRhTkZqRSgQnhWiLl8LbR4Xqiw5g0siR-fCG_DHMdcl-GYa8H8b7OoOohsDClF1z-8DcEsSzF_l5KBMIelZNeHx7X88xynUf0Bniu-Tg</recordid><startdate>200602</startdate><enddate>200602</enddate><creator>Yue, Bing</creator><creator>Xue, Weiya</creator><creator>Xiong, Lizhong</creator><creator>Yu, Xinqiao</creator><creator>Luo, Lijun</creator><creator>Cui, Kehui</creator><creator>Jin, Deming</creator><creator>Xing, Yongzhong</creator><creator>Zhang, Qifa</creator><general>Genetics Society of America</general><general>Copyright © 2006 by the Genetics Society of America</general><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>4T-</scope><scope>4U-</scope><scope>7QP</scope><scope>7SS</scope><scope>7TK</scope><scope>7TM</scope><scope>7X2</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</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>GUQSH</scope><scope>HCIFZ</scope><scope>K9-</scope><scope>K9.</scope><scope>LK8</scope><scope>M0K</scope><scope>M0R</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>M2P</scope><scope>M7N</scope><scope>M7P</scope><scope>MBDVC</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>RC3</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>200602</creationdate><title>Genetic basis of drought resistance at reproductive stage in rice: separation of drought tolerance from drought avoidance</title><author>Yue, Bing ; Xue, Weiya ; Xiong, Lizhong ; Yu, Xinqiao ; Luo, Lijun ; Cui, Kehui ; Jin, Deming ; Xing, Yongzhong ; Zhang, Qifa</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c608t-890411fc713ba0a3a7990bb01fc1f519662c4902af52f151beaaa8a551d7c6793</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Analysis of Variance</topic><topic>Chromosome Mapping</topic><topic>Dehydration - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Genetics (Austin)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yue, Bing</au><au>Xue, Weiya</au><au>Xiong, Lizhong</au><au>Yu, Xinqiao</au><au>Luo, Lijun</au><au>Cui, Kehui</au><au>Jin, Deming</au><au>Xing, Yongzhong</au><au>Zhang, Qifa</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Genetic basis of drought resistance at reproductive stage in rice: separation of drought tolerance from drought avoidance</atitle><jtitle>Genetics (Austin)</jtitle><addtitle>Genetics</addtitle><date>2006-02</date><risdate>2006</risdate><volume>172</volume><issue>2</issue><spage>1213</spage><epage>1228</epage><pages>1213-1228</pages><issn>0016-6731</issn><issn>1943-2631</issn><eissn>1943-2631</eissn><coden>GENTAE</coden><abstract>Drought tolerance (DT) and drought avoidance (DA) are two major mechanisms in drought resistance of higher plants. In this study, the genetic bases of DT and DA at reproductive stage in rice were analyzed using a recombinant inbred line population from a cross between an indica lowland and a tropical japonica upland cultivar. The plants were grown individually in PVC pipes and two cycles of drought stress were applied to individual plants with unstressed plants as the control. A total of 21 traits measuring fitness, yield, and the root system were investigated. Little correlation of relative yield traits with potential yield, plant size, and root traits was detected, suggesting that DT and DA were well separated in the experiment. A genetic linkage map consisting of 245 SSR markers was constructed for mapping QTL for these traits. A total of 27 QTL were resolved for 7 traits of relative performance of fitness and yield, 36 QTL for 5 root traits under control, and 38 for 7 root traits under drought stress conditions, suggesting the complexity of the genetic bases of both DT and DA. Only a small portion of QTL for fitness- and yield-related traits overlapped with QTL for root traits, indicating that DT and DA had distinct genetic bases.</abstract><cop>United States</cop><pub>Genetics Society of America</pub><pmid>16272419</pmid><doi>10.1534/genetics.105.045062</doi><tpages>16</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Genetics (Austin), 2006-02, Vol.172 (2), p.1213-1228 |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Oxford University Press Journals All Titles (1996-Current); Alma/SFX Local Collection |
| subjects | Analysis of Variance Chromosome Mapping Dehydration - metabolism Disasters Drought Fertility Genetic Markers Genetic Variation Genetics Investigations Life cycles Oryza - genetics Oryza - physiology Oryza sativa Phenotype Plant populations Plant Roots - physiology Quantitative Trait Loci Water |
| title | Genetic basis of drought resistance at reproductive stage in rice: separation of drought tolerance from drought avoidance |
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