The Sucrose Transporter SUT4 Interacts with HXK1 and FUSCA3

发布时间：2016-09-03 07:57

本文关键词：麦冬OjERF基因的克隆与功能研究，由笔耕文化传播整理发布。

《生态文明建设中的植物学：现在与未来——中国植物学会第十五届会员代表大会暨八十周年学术年会论文集——第3分会场：植物分子生物学与基因组学》2013年

The Sucrose Transporter SUT4 Interacts with HXK1 and FUSCA3 respectively to Regulate Seed Germination in Response to Sucrose and Glucose in Arabidopsis

Xiaoyan Cui Tong Zhang Yanfang Li Lingyun Zhang

【摘要】：正SUT4 is a kind of sucrose transporter located in the vacuole membrane,it has been confirmed that SUT4 interacts with Cyb5-2 to regulate seed germination in response to sucrose and glucose.In this study,we screened two genes whose expression is associated with SUT4 during seed germination by RT-PCR.HXK1 is a bifunctional enzyme of both hexose phosphorylation activity and glucose sensor mediating sugar signal transduction.FUSCA3 is a B3 type transcription factor and can combine with BY-box to regulate the expression of seed storage protein genes and anthocyanin synthesis.Yeast two-hybrid preliminarily verified that there are some interaction between SUT4 and HXK1,SUT4 and FUSCA3.The data provides evidence that HXK1 and FUSCA3 may be involved in the SUT4 and Cyb5-2 complex to mediate sucrose and glucose signaling in seed germination.

【作者单位】：Key Laboratory of Forest Silviculture and Conservation of the Ministry of Education,Beijing Forestry University
【分类号】：Q946
【正文快照】：

SUT4 is a kind of sucrose transporter located in the vacuole membrane,it has been confirmed that SUT4 interacts with Cyb5-2 to regulate seed germination in response to sucrose and glucose.In this study,we screened two genes whose expression is associated

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