Identification of an AP2 gene related to open flowering in diploid wheat(Triticum monococcum)

作     者：ShunZong Ning Ning Wang Shun Sakuma Mohammad Pourkheirandish Takato Koba Takao Komatsuda 

作者机构：National Institute of Agrobiological Sciences (NIAS) Plant Genome Research Unit 2-1-2 Kannondai Tsukuba Ibaraki 305-8602 Japan Graduate school of Horticulture Chiba University 648 Matsudo Matsudo Chiba 271-8510 Japan 

出 版 物：《Research in Cold and Arid Regions》 (寒旱区科学（英文版）)

年 卷 期：2013年第5卷第6期

页      面：677-683页

核心收录：

学科分类：0710[理学-生物学] 07[理学] 09[农学] 071007[理学-遗传学] 0901[农学-作物学] 

基　　金：funded by the Japanese Ministry of Agriculture Forestry and Fisheries (Genomics for Agricultural Innovation Grants No.TRG1004) to T.K.S.N.appreciates the award of a Japanese Government (Monbukagakusho:MEXT) scholarship 

主　　题：Triticum monococcum Hordeum vulgare lodicule microRNA172 

摘      要：Cleistogamy involves the shedding of pollen within an enclosed flower. In barley, this trait is determined by the presence of a recessive allele at the gene Clyl, a member of the AP2 gene family. Here we show that the Clyl ortholog in einkorn （diploid） wheat （Triticum monococcum） TmAP2 shares a similar structure and identical pattern of transcription as Clyl. The transcript abundance of TmAP2 was high in the spike around the time of anthesis, but low in the leaf, plumule and radicle. The TmAP2 transcript was cleaved at its miR172 target site. Flower gaping at anthesis in einkorn wheat is induced by the expansion of the lodicules.