pTet-Off四环素调控系统

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载体订购信息

产品编号
GS-1604
产品名称
pTet-Off 四环素调控系统
市场价格
￥ 1000
沟通洽谈

载体基本信息

载体名称:
pTet-Off
载体类型:
四环素调控系统
克隆方法:
/
拷贝类型:
/
载体抗性:
Ampicillin (氨苄青霉素)
筛选标记:
Neomycin (新霉素)
载体大小:
7391 bp 点击查看完整序列
启动子:
CMV
测序引物5’:
/
测序引物3’:
/
报告基因:
/

载体图谱展示

载体图谱

载体说明

pTet-Off expresses the tet-responsive transcriptional activator (tTA) from the strong immediate early promoter of cytomegalovirus (PCMV). tTA is a fusion of amino acids 1–207 of the tet repressor (TetR) and the negatively charged C-terminal activation domain (130 amino acids) of the VP16 protein of herpes simplex virus. pTet-Off was originally described as pUHD15-1neo by Resnitzky et al. (1994) and was created by insertion of a neomycin resistance gene into pUHD15-1 (Gossen & Bujard, 1992). pTet-Off can be distinguished from pTet-On by digestion with Hind III.

载体应用

The pTet-Off Vector is used to develop stable Tet-Off cell lines. After a vector that contains a gene under the control of a tet-responsive element (TRE) is transfected into a Tet-Off cell line, the tTA binds to the TRE, thus activating transcription in the absence of tetracycline (Tc), or its derivative doxycycline (Dox). As Tc or Dox is added to the culture medium, transcription from the TRE is turned off in a highly dose-dependent manner. More information on TRE-containing vectors and protocols describing the construction of Tet-Off cell lines can be found in the Tet Systems User Manual (PT3001-1).

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