Use of genotype-environment interactions to elucidate the pattern of maize root plasticity to nitrogen deficiency

Maize(Zea mays L.) root morphology exhibits a high degree of phenotypic plasticity to nitrogen(N) de ficiency,but the underlying genetic architecture remains to be investigated Using an advanced BC_4F_3 population,we investigated the root growth plasticity under two contrasted N levels and identi fi...

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Veröffentlicht in:Journal of integrative plant biology 2016-03, Vol.58 (3), p.242-253
Hauptverfasser: Li, Pengcheng, Zhuang, Zhongjuan, Cai, Hongguang, Cheng, Shuai, Soomro, Ayaz Ali, Liu, Zhigang, Gu, Riliang, Mi, Guohua, Yuan, Lixing, Chen, Fanjun
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container_title Journal of integrative plant biology
container_volume 58
creator Li, Pengcheng
Zhuang, Zhongjuan
Cai, Hongguang
Cheng, Shuai
Soomro, Ayaz Ali
Liu, Zhigang
Gu, Riliang
Mi, Guohua
Yuan, Lixing
Chen, Fanjun
description Maize(Zea mays L.) root morphology exhibits a high degree of phenotypic plasticity to nitrogen(N) de ficiency,but the underlying genetic architecture remains to be investigated Using an advanced BC_4F_3 population,we investigated the root growth plasticity under two contrasted N levels and identi fied the quantitative trait loci(QTLs) with QTL-environment(Q×E)interaction effects. Principal components analysis(PCA) on changes of root traits to N de ficiency(D LN-HN) showed that root length and biomass contributed for 45.8% in the same magnitude and direction on the first PC,while root traits scattered highly on PC_2 and PC_3. Hierarchical cluster analysis on traits for D LN-HN further assigned the BC_4F_3 lines into six groups,in which the special phenotypic responses to N de ficiency was presented These results revealed the complicated root plasticity of maize in response to N de ficiency that can be caused by genotype environment(G×E) interactions. Furthermore,QTL mapping using a multi-environment analysis identi fied 35 QTLs for root traits. Nine of these QTLs exhibited signi ficant Q×E interaction effects. Taken together,our findings contribute to understanding the phenotypic and genotypic pattern of root plasticity to N de ficiency,which will be useful for developing maize tolerance cultivars to N de ficiency.
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Principal components analysis(PCA) on changes of root traits to N de ficiency(D LN-HN) showed that root length and biomass contributed for 45.8% in the same magnitude and direction on the first PC,while root traits scattered highly on PC_2 and PC_3. Hierarchical cluster analysis on traits for D LN-HN further assigned the BC_4F_3 lines into six groups,in which the special phenotypic responses to N de ficiency was presented These results revealed the complicated root plasticity of maize in response to N de ficiency that can be caused by genotype environment(G×E) interactions. Furthermore,QTL mapping using a multi-environment analysis identi fied 35 QTLs for root traits. Nine of these QTLs exhibited signi ficant Q×E interaction effects. 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Principal components analysis(PCA) on changes of root traits to N de ficiency(D LN-HN) showed that root length and biomass contributed for 45.8% in the same magnitude and direction on the first PC,while root traits scattered highly on PC_2 and PC_3. Hierarchical cluster analysis on traits for D LN-HN further assigned the BC_4F_3 lines into six groups,in which the special phenotypic responses to N de ficiency was presented These results revealed the complicated root plasticity of maize in response to N de ficiency that can be caused by genotype environment(G×E) interactions. Furthermore,QTL mapping using a multi-environment analysis identi fied 35 QTLs for root traits. Nine of these QTLs exhibited signi ficant Q×E interaction effects. Taken together,our findings contribute to understanding the phenotypic and genotypic pattern of root plasticity to N de ficiency,which will be useful for developing maize tolerance cultivars to N de ficiency.</description><subject>Chromosome Mapping</subject><subject>Cluster analysis</subject><subject>Corn</subject><subject>Crosses, Genetic</subject><subject>Cultivars</subject><subject>Environment</subject><subject>Environmental effects</subject><subject>Gene loci</subject><subject>Gene mapping</subject><subject>Genotype</subject><subject>Genotype-environment interactions</subject><subject>Genotypes</subject><subject>Morphology</subject><subject>Nitrogen</subject><subject>Nitrogen - deficiency</subject><subject>Nitrogen - pharmacology</subject><subject>nitrogen stress</subject><subject>Phenotype</subject><subject>Phenotypic plasticity</subject><subject>Plant Roots - drug effects</subject><subject>Plant Roots - physiology</subject><subject>Plastic properties</subject><subject>Plasticity</subject><subject>Principal Component Analysis</subject><subject>Principal components analysis</subject><subject>QTL定位</subject><subject>Quantitative trait loci</subject><subject>Quantitative Trait Loci - genetics</subject><subject>quantitative trait locus</subject><subject>Quantitative Trait, Heritable</subject><subject>root morphology</subject><subject>root plasticity</subject><subject>Zea mays</subject><subject>Zea mays - drug effects</subject><subject>Zea mays - genetics</subject><subject>Zea mays - physiology</subject><subject>Zea mays L</subject><subject>基因型</subject><subject>数量性状位点</subject><subject>氮缺乏</subject><subject>玉米根系</subject><subject>环境分析</subject><subject>相互作用</subject><subject>表型可塑性</subject><issn>1672-9072</issn><issn>1744-7909</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kUtv1DAUhSMEoqWw4QegCISEkFL8SGxn2Y5gKKoKSEWV2FiOczP1kNgZ20Ob_no8zGPBAm9sXX_n3GufLHuJ0SlO68PSjM0pJlSUj7JjzMuy4DWqH6cz46SoESdH2bMQlghRgRh5mh0RRliNBD_OVj8C5K7LF2BdnEYowP423tkBbMyNjeCVjsbZkEeXQ7_WplUR8ngL-ahiurYb9aDMA-TeuZiPvQrRaBOnjcKa6F3yzlvoUhGsnp5nTzrVB3ix20-y608fr2efi8uv84vZ2WWhSyHKohS0JXVJKowIoph2LdNINS1FTSug4VrpktKatYxrinlFuWYtbbqmYkg0HT3J3m5t75TtlF3IpVt7mxrKh7v7hiDMEEWIJ-7dlhu9W60hRDmYoKHvlQW3DhJzXmGeZmAJffMPevAkSIiap9Z1ot5vKe1dCB46OXozKD9JjOQmL7nJS_7NK8GvdpbrZoD2gO4DSgDePcP0MP3HSn65-Ha-Ny22GhMi3B80yv-SjFNeyZurufw-u_nJ8fmVnCf-9W7iW2cXK5M-a69hTJTJkQn6B5Qzuzs</recordid><startdate>201603</startdate><enddate>201603</enddate><creator>Li, Pengcheng</creator><creator>Zhuang, Zhongjuan</creator><creator>Cai, Hongguang</creator><creator>Cheng, Shuai</creator><creator>Soomro, Ayaz Ali</creator><creator>Liu, Zhigang</creator><creator>Gu, Riliang</creator><creator>Mi, Guohua</creator><creator>Yuan, Lixing</creator><creator>Chen, Fanjun</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><general>Key Lab of Plant-Soil Interaction, M0E, Center for Resources, Environment and Food Security, Col ege Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W94</scope><scope>WU4</scope><scope>~WA</scope><scope>BSCLL</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>7QO</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope><scope>7X8</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>201603</creationdate><title>Use of genotype-environment interactions to elucidate the pattern of maize root plasticity to nitrogen deficiency</title><author>Li, Pengcheng ; 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Principal components analysis(PCA) on changes of root traits to N de ficiency(D LN-HN) showed that root length and biomass contributed for 45.8% in the same magnitude and direction on the first PC,while root traits scattered highly on PC_2 and PC_3. Hierarchical cluster analysis on traits for D LN-HN further assigned the BC_4F_3 lines into six groups,in which the special phenotypic responses to N de ficiency was presented These results revealed the complicated root plasticity of maize in response to N de ficiency that can be caused by genotype environment(G×E) interactions. Furthermore,QTL mapping using a multi-environment analysis identi fied 35 QTLs for root traits. Nine of these QTLs exhibited signi ficant Q×E interaction effects. 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subjects Chromosome Mapping
Cluster analysis
Corn
Crosses, Genetic
Cultivars
Environment
Environmental effects
Gene loci
Gene mapping
Genotype
Genotype-environment interactions
Genotypes
Morphology
Nitrogen
Nitrogen - deficiency
Nitrogen - pharmacology
nitrogen stress
Phenotype
Phenotypic plasticity
Plant Roots - drug effects
Plant Roots - physiology
Plastic properties
Plasticity
Principal Component Analysis
Principal components analysis
QTL定位
Quantitative trait loci
Quantitative Trait Loci - genetics
quantitative trait locus
Quantitative Trait, Heritable
root morphology
root plasticity
Zea mays
Zea mays - drug effects
Zea mays - genetics
Zea mays - physiology
Zea mays L
基因型
数量性状位点
氮缺乏
玉米根系
环境分析
相互作用
表型可塑性
title Use of genotype-environment interactions to elucidate the pattern of maize root plasticity to nitrogen deficiency
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