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

ShunZong Ning; Ning Wang; Shun Sakuma; Mohammad Pourkheirandish; Takato Koba; Takao Komatsuda

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

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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 Cly1, a member of the AP2 gene family. Here we show that the Cly1 ortholog in einkorn (diploid) wheat (Triticum monococcum) TmAP2 shares a similar structure and identical pattern of transcription as Cly1. 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.

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《寒旱区科学（英文版）》 |2013年第6期|677-683|共7页
作者
ShunZong Ning; Ning Wang; Shun Sakuma; Mohammad Pourkheirandish; Takato Koba; Takao Komatsuda;
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National Institute of Agrobiological Sciences NIAS, Plant Genome Research Unit, 2-1-2 Kannondai, Tsukuba, Ibaraki 305-8602, Japan;

National Institute of Agrobiological Sciences NIAS, Plant Genome Research Unit, 2-1-2 Kannondai, Tsukuba, Ibaraki 305-8602, Japan;

National Institute of Agrobiological Sciences NIAS, Plant Genome Research Unit, 2-1-2 Kannondai, Tsukuba, Ibaraki 305-8602, Japan;

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;

National Institute of Agrobiological Sciences NIAS, Plant Genome Research Unit, 2-1-2 Kannondai, Tsukuba, Ibaraki 305-8602, Japan;

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

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