小麦 MYB 相关转录因子 TaMYB72 促进水稻开花。
The wheat MYB-related transcription factor TaMYB72 promotes flowering in rice.
机构信息
Department of Molecular Biology, Key Laboratory of Crop Germplasm Resources and Utilization, Ministry of Agriculture, National Key Facility for Crop Gene Resources and Genetic Improvement, Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
Department of Agriculture, College of Agriculture School, Henan University of Science and Technology, Zhengzhou 471023, China.
出版信息
J Integr Plant Biol. 2016 Aug;58(8):701-4. doi: 10.1111/jipb.12461. Epub 2016 Feb 5.
Through large-scale transformation analyses, TaMYB72 was identified as a flowering time regulator in wheat. TaMYB72 is a MYB family transcription factor localized to the nucleus. Three TaMYB72 homologs, TaMYB72-A, TaMYB72-B and TaMYB72-D, cloned from hexaploid wheat were mapped to the short arm of the group 6 chromosomes. Under the long-day conditions, over-expression of the TaMYB72 in rice shortened the flowering time by approximately 12 d. Expression analyses suggest that TaMYB72 may function through up-regulation of florigen genes Hd3a and RFT1.
通过大规模的转化分析，TaMYB72 被鉴定为小麦开花时间的调节因子。TaMYB72 是一种定位于细胞核的 MYB 家族转录因子。从六倍体小麦中克隆的三个 TaMYB72 同源物，TaMYB72-A、TaMYB72-B 和 TaMYB72-D，被定位到 6 号染色体的短臂上。在长日照条件下，在水稻中超表达 TaMYB72 可使开花时间缩短约 12 天。表达分析表明，TaMYB72 可能通过上调花形成基因 Hd3a 和 RFT1 来发挥作用。
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