C2H2锌指蛋白LRG1调控水稻小穗的发育（英文）
发布时间：2021-06-06 02:33
水稻小穗是一种独特的花序结构,其发育直接决定种子的大小和产量.一个正常的水稻小穗包含一个可育小花（1个外稃、1个内稃、2个浆片、6个雄蕊和1个雌蕊）、一对护颖及一对副护颖.通过EMS诱变,本研究分离得到了一个新的隐性水稻小穗突变体lacking rudimentary glume 1（lrg1）. lrg1的小穗仅仅只有一个副护颖,且其与护颖一起被同源转化为外稃状器官.细胞学和分子生物学研究发现, LRG1基因在水稻小穗副护颖中显著表达,证明了LRG1是副护颖的特征基因.此外, lrg1突变体谷粒表型异常是由颖壳细胞数目和大小决定的,说明LRG1还参与调控谷粒大小.进一步的实验发现, LRG1基因编码的ZOS4-06-C2H2锌指结构转录因子可能是与TPRs蛋白相互作用来抑制下游基因表达.本研究一方面证实了副护颖、护颖和外稃是同源器官,另一方面LRG1基因参与调控种子大小,为分子设计育种提供了新的基因资源.
【文章来源】：Science Bulletin. 2020,65(09)EISCICSCD
【文章页数】：12 页
【参考文献】：
期刊论文
[1]BEAK-SHAPED GRAIN 1/TRIANGULAR HULL 1,a DUF640 gene,is associated with grain shape,size and weight in rice[J]. YAN DaWei,ZHOU Ya,YE ShengHai,ZENG LongJun,ZHANG XiaoMing,HE ZuHua. Science China（Life Sciences）. 2013(03)
[2]ELE restrains empty glumes from developing into lemmas[J]. Lilan Hong a, 1, Qian Qian b, 1, Keming Zhu c, 1, Ding Tang a, Zejun Huang a, Ling Gao a, Ming Li a, Minghong Gu c, Zhukuan Cheng a, a State Key Laboratory of Plant Genomics and National Center for Plant Gene Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China b State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China c Key Laboratory of Crop Genetics and Physiology of Jiangsu Province/Key Laboratory of Plant Functional Genomics of Ministry of Education, Yangzhou University, Yangzhou 225009, China. 遗传学报. 2010(02)
本文编号：3213412
【文章来源】：Science Bulletin. 2020,65(09)EISCICSCD
【文章页数】：12 页
【参考文献】：
期刊论文
[1]BEAK-SHAPED GRAIN 1/TRIANGULAR HULL 1,a DUF640 gene,is associated with grain shape,size and weight in rice[J]. YAN DaWei,ZHOU Ya,YE ShengHai,ZENG LongJun,ZHANG XiaoMing,HE ZuHua. Science China（Life Sciences）. 2013(03)
[2]ELE restrains empty glumes from developing into lemmas[J]. Lilan Hong a, 1, Qian Qian b, 1, Keming Zhu c, 1, Ding Tang a, Zejun Huang a, Ling Gao a, Ming Li a, Minghong Gu c, Zhukuan Cheng a, a State Key Laboratory of Plant Genomics and National Center for Plant Gene Research, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, Beijing 100101, China b State Key Laboratory of Rice Biology, China National Rice Research Institute, Hangzhou 310006, China c Key Laboratory of Crop Genetics and Physiology of Jiangsu Province/Key Laboratory of Plant Functional Genomics of Ministry of Education, Yangzhou University, Yangzhou 225009, China. 遗传学报. 2010(02)
本文编号：3213412
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