Functional Analysis of LAZY1 in Arabidopsis thalia
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专利名称：Functional Analysis of LAZY1 in Arabidopsis thaliana and Prunus Trees
发明人：Christopher D. Dardick,Ralph
Scorza,Courtney A. Hollender
申请号：US14866828
申请日：20150925
公开号：US20170088846A1
公开日：
20170330
专利内容由知识产权出版社提供
摘要：Technology to optimize plant architecture is critical for future efforts to increase planting density in a wide range of crops. Little is known regarding the molecular mechanisms governing this basic plant developmental feature, particularly in fruit trees. Recently, a pair of distantly related genes called LAZY1 and TILLER ANGLE CONTROL 1 (TAC1) was shown to have opposing effects on lateral branch angle in monocots and dicots. We have characterized the LAZY1 gene in both and plum () and assessed its functional relationship with TAC1. Both lazy1 and tac1:lazy1 plants showed a previously unreported weeping phenotype. Transgenic plum lines silenced for LAZY1 showed horizontal branch angles, sometimes marked by rootward lateral branch growth. Our results establish that manipulation of LAZY1 gene function results in changes in tree shape and can be used to engineer fruit or ornamental trees with desired branch angles.
申请人：The United States of America, as Represented by the Secretary of Agriculture 地址：Washington DC US
国籍：US
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