检索结果-南通市图书馆

Ancestral function but divergent epigenetic regulation of HAIKU2 reveals routes of seed developmental evolution

Molecular Plant 2022年第10期15卷 1575-1589页

作者： Di Wu Yiming Wei Xiangyu Zhao Boka Li Huankai Zhang Gang Xu Juntong Lv Dajian Zhang Xiansheng Zhang Min Ni National Key Laboratory of Crop Biology College of Life SciencesShandong Agricultural UniversityTaian 271018China State Key Laboratory of Systematic and Evolutionary Botany CAS Center for Excellence in Molecular Plant SciencesInstitute of BotanyChinese Academy of SciencesBeijing100093China University of Chinese Academy of Sciences Beijing 100049China Department of Plant and Microbial Biology University of Minnesota at Twin CitiesSaint PaulMN 55108USA

Evolution is driven by various mechanisms.A directional increase in the embryo to endosperm ratio is an evolutionary trend within the *** endosperm constitutes a major portion of the seed volume in Poales and some ***,in other dicots such as Arabidopsis and soybean,the endosperm proliferates early,followed by embryo growth to replace the *** Arabidopsis leucine-rich repeat receptor protein kinase AtHAIKU2(AtIKU2)is a key regulator of early endosperm *** this study,we found that IKU2s from Brachypodium,rice,and soybean can complement the abnormal seed developmental phenotype of Atiku2,while AtIKU2 also rescues the defective endosperm proliferation in the Brachypodium BdIKU2 knockout mutant ***2 and soybean GmIKU2 are actively expressed a few days after ***,expression of AtIKU2 is suppressed by the FIS-PRC2 complex-mediated *** soybean GmIKU2 locus is also enriched with H3K27me3 *** histone methyltransferase AtMEA is unique to Brassicaceae,but one GmSWN in soybean plays a similar role in seed development as *** contrast,the BdIKU2 and rice OsIKU2 loci are continuously expressed and are devoid of H3K27me3 *** together,these results suggest that IKU2 genes retain an ancestral function,but the duration of their expression that is controlled by PRC2-mediated epigenetic silencing contributes to silenced or persistent endosperm proliferation in different *** study reveals an epigenetic mechanism that drives the development of vastly different seed ontogenies.

关键词： brassicales endosperm Fabales IKU2 MEDEA Poales

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：