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pTCK303质粒

货号：kl-zl-0788-01

货号	产品名称	规格	库存	价格	数量	购买
kl-zl-0788-01	pTCK303质粒	NA		立即咨询	+ -

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pTCK303质粒货号：kl-zl-0788 规格：20ul

启动子：	Ubi ,CaMV 35S
复制子：	ori
终止子：	NOS
质粒分类：	植物系列，RNAi载体
质粒大小：	14621bp
原核抗性：	Kan
筛选标记：	HygR
克隆菌株：	DH5α
培养条件：	37℃，有氧 LB
表达宿主：	植物细胞
5'测序引物：	根据序列设计引物
3'测序引物：	根据序列设计引物

质粒简介：
RNA interferences (RNAi) has proven to be an effective strategy to knock out homologous genes in a wide range of species. Based on its principle, a new generation of vectors containing an inverted target sequence separated by an intron as a loop, developing simplifications to the procedure of RNAi construction are required to improve the efficiency of gene inactivation techniques. Here, a novel polymerase chain reaction (PCR)—based RNAi vector pTCK303 with a maize ubiquitin promoter, 2 specific multiple enzyme sites, and a rice intron was constructed for monocot gene silencing. With this vector, only 1 PCR product amplified by a single pair of primers and 2 ligation reactions were needed to create an RNAi construct, which shortened the time span before being transformed into the plant. To test the efficiency of vector pTCK303, a rice geneOsGAS1 was used, and its RNAi construct was introduced into rice calli. Southern blot analysis of the transgenic rice confirmed the presence of theOsGAS1 RNAi structure. The decrease inOsGAS1 level in the transgenic rice was detected by Northern blot probed with anOsGAS1-specific sequence. Moreover, the rate of inhibition of the RNA expression level in RNAi transgenic rice was approximately 85% according to our real-time PCR. Therefore, the RNAi vector pTCK303 based on the homology-dependent gene-silencing mechanisms facilitated the inhibition of endogenous genes in a monocot and was proven to be a practical and efficient platform for silencing a rice gene.
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