Genetic Analysis of ele Mutants and Comparative Mapping of ele1 Locus in the Control of Organ Internal Asymmetry in Garden Pea

查看全文 作　　者：Xin [1]Li;Li-Li [1]Zhuang;Mike Ambrose M. [2]Phil.;Catherine [3]Rameau;Xiao-He [4]Hu;Jun [4]Yana;Da [1,4]Luo

机构地区：[1]School of Life Science and Biotechnology, Shanghai JiaoTong University, Shanghai 200030, China;[2]Department of Crop Genetics, John Innes Centre, Colney, Norwich NR4 7UH, United Kingdom;[3]Station de Genetique et d'Amelioration des Plantes, Institut J.P. Bourgin, UR 254 INRA, Versailles, France;[4]National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institutes for Biologica Sciences, the Chinese Academy of Sciences, Shanghai 200032, China

出　　处：《Journal of Integrative Plant Biology》索引2010年第52卷第6期,共8页

基　　金：supported by the Ministry of Agriculture of China for Transgenic Research (2008ZX08009-003 and2009ZX08009-112B) 摘　　要：Previous study has shown that during zygomorphic development in garden pea(Pisum sativum L.),the organ internal(IN) asymmetry of lateral and ventral petals was regulated by a genetic locus,SYMMETRIC PETAL 1(SYP1),while the dorsoventral(DV) asymmetry was determined by two CYC-like TCP genes or the PsCYC genes,KEELED WINGS(K) and LOBED STANDARD 1(LST1).In this study,two novel loci,ELEPHANT EAR-LIKE LEAF 1(ELE1) and ELE2 were characterized.These mutants exhibit a similar defect of IN asymmetry as syp1 in lateral and ventral petals,but also display pleiotropic effects of enlarged organ size.Genetic analysis showed that ELE1 and ELE2 were involved in same genetic pathway and the enlarged size of petals but not compound leaves in ele2 was suppressed by introducing k and lst1,indicating that the enlargement of dorsal petal in ele2 requires the activities of K and LST1.An experimental framework of comparative genomic mapping approach was set up to map and clone LjELE1 locus in Lotus japonicus.Cloning the ELE1 gene will shed light on the underlying molecular mechanism during zygomorphic development and further provide the molecular basis for genetic improvement on legume crops. 关键词：遗传分析不对称豌豆突变位点机关花园测绘管制

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Genetic Analysis of ele Mutants and Comparative Mapping of ele1 Locus in the Control of Organ Internal Asymmetry in Garden Pea

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