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白梨SOT基因家族成员组织表达特性的分析 被引量:3

Analysis of Tissue Specific Expression of SOTGene Family in White Pear
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摘要 本文旨在鉴定出白梨山梨醇转运蛋白(SOT)基因家族成员,利用生物信息学和基因组织表达特性的分析,明确梨各组织中参与山梨醇运输的主要SOT基因。基于全基因组测序结果,采用生物信息学方法鉴定出苹果、白梨、桃、梅、草莓和黑树莓6个蔷薇科果树物种SOT基因家族序列信息,并进行基因结构、理化特性等相关分析,并利用实时荧光定量PCR(qRT-PCR)技术测定PbSOTs基因在白梨各个器官组织中的表达特性。从六个蔷薇科果树物种分离出SOT基因家族成员62个,其中,PbSOT11、PbSOT12、PbSOT14、PbSOT16、PbSOT23和PbSOT24在白梨各组织中几乎都不表达;PbSOT5仅在花中表达;PbSOT4在白梨各组织中基本也都不表达,PbSOT7/8仅在茎、花、果中表达;PbSOT10和PbSOT13在白梨各组织中同样都不表达,PbSOT9仅在果实中表达;PbSOT6和PbSOT20在所有组织中均表达;PbSOT1/2仅在根、茎、花和种子中表达,而PbSOT3和PbSOT19/21和PbSOT22在根、茎、花、叶和果实中都表达,但在种子中基本不表达。PbSOT20是梨山梨醇“源–库”迁移过程各组织的主要调控基因。而PbSOT6和PbSOT19/21是根组织中山梨醇转运主要调控基因。
出处 《植物学研究》 2018年第5期496-506,共11页 Botanical Research
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