启动子是RNA 聚合酶识别、结合和开始转录的一段DNA 序列,它含有RNA 聚合酶特异性结合和转录起始所需的保守序列,多数位于结构基因转录起始点的上游,启动子本身不被转录。但有一些启动子(如tRNA启动子)位于转录起始点的下游,这些DNA序列可以被转录。启动子的特性最初是通过能增加或降低基因转录速率的突变而鉴定的。启动子一般位于转录起始位点的上游。
诱导型启动子(inducible promoter)是能被诱导表达的基因启动子。该启动子能被诱导物直接 激活,或诱导物与启动子上的阻遏物结合,从而间接激活该启动子的转录。
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...它提高植物耐铝毒能力的专用载体pH2-35S-PrbcS-AMDH,为含有1,5二磷酸核酮糖羧化酶(Rubisco)小亚基基因的光诱导型启动子(PrbcS)和拟南芥细胞质苹..
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可及启动子 accessible promoter
核心启动子 core promoter ; basal core promoter ; core element ; BCP
基因启动子 Promoter ; TAAAA ; basic core promoter
启动子区 promotor region ; promoter
特异性启动子 COFS ; Specific promoter
内部启动子 internal promoter
基因外启动子 extragenic promoter
启动子封阻 promoter occulsion
启动子抑制 promoter suppression
Objective To evaluate promoter methylation of DBCCRl and its clinical significance.
目的探讨膀胱移行细胞癌DBCCR1基因启动子甲基化状态及其临床意义。
参考来源 - 膀胱移行细胞癌DBCCR1基因启动子甲基化分析It indicated that the promoter of AP3 gene was a flower-specific expression promoter.
研究表明AP3基因启动子为花特异表达启动子。
参考来源 - Col生态型拟南芥AP3基因启动子克隆及植物表达载体构建The maximal GUS activity in the leaves under cold and exogenous ABA conditions was about one fourth as much as that after severe heat shock.
低温及外源ABA处理条件下该启动子的活性不是很强,约为热激强度的四分之一。
参考来源 - 多胁迫诱导型Lehsp23.8启动子的分子克隆及其功能分析So the study of FAS gene promotor’s struture and function can further reveal the regulated informaton and its interacted mechanism of which FAS gene expression depending on.
所以对其启动子的结构和功能的研究,可进一步揭示脂肪酸合酶基因表达所依赖的调控信息以及这些信息相互作用的分子机制。
参考来源 - 西农萨能奶山羊脂肪酸合酶基因启动子的克隆、测序及活性区域分析·2,447,543篇论文数据,部分数据来源于NoteExpress
通过双荧光素酶报告基因测定法测定了 IGFBP-3 对由三碘甲状腺素刺激的生长激素启动子活性的影响。
The effect of IGFBP-3 on the growth hormone promoter activity stimulated by triiodothyronine was determined by dual-luciferase reporter assay.
例如,可能重新执行调用活动,并再次启动子流程。
For example, an invoke activity might be re-executed and, for instance, a sub process is started a second time.
因此,容器JSP的唯一功能是启动子组件的处理。
Therefore, the only function of the Container JSPs is to start the rendering of the children. The control JSP renders the portlets in the following way.
When they make milk they have signals for turning on the betagalactoglobulin promoter and expressing the gene of interest.
泌乳的时候,β-乳球蛋白启动子受信号调控而开启,目的基因得以表达
It might be a plasmid that contains a promoter that works in lung cells and that has the cystic fibrosis gene.
这个质粒带有,可以在肺细胞表达的启动子和正常基因
We'll talk more about promoters as they go on, for now let's just assume that we have a promoter that works in this particular cell.
我们以后还会谈到更多有关启动子的知识,而现在就假设这个,特定的宿主细胞里有个启动子
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