Developmental pathways for shaping spike inflorescence architecture in barley and wheat

查看全文 作　　者：Ravi [1]Koppolu;Thorsten [1,2]Schnurbusch

机构地区：[1]Independant HEISENBERG-Research Group Plant Architecture, Leibniz Institute of Plant Genetics and Crop Plant Research (IPK);[2]Faculty of Natural Sciences Ⅲ, Institute of Agricultural and Nutritional Sciences, Martin-Luther-University

出　　处：《Journal of Integrative Plant Biology》索引2019年第61卷第3期,共18页

基　　金：funding from the European Research Council(ERC)under the Horizon2020 Framework Programme(grant agreement number[681686-'LUSH SPIKE';ERC-2015-CoG];financial support from the HEISENBERG Program of the German Research Foundation(DFG),grant no.SCHN 768/8-1,and IPK core budget 摘　　要：Grass species display a wide array of inflorescences ranging from highly branched compound/panicle inflorescences to unbranched spike inflorescences. The unbranched spike is a characteristic feature of the species of tribe Triticeae, including economically important crops,such as wheat and barley. In this review, we describe two important developmental genetic mechanisms regulating spike inflorescence architecture in barley and wheat.These include genetic regulation of(i) row-type pathway specific to Hordeum species and(ii) unbranched spike development in barley and wheat. For a comparative understanding, we describe the branched inflorescence phenotypes of rice and maize along with unbranched Triticeae inflorescences. In the end, we propose a simplified model describing a probable mechanism leading to unbranched spike formation in Triticeae species. 关键词：DEVELOPMENTAL PATHWAYS GRASS species

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Developmental pathways for shaping spike inflorescence architecture in barley and wheat

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