GenesplicingandmutagenesisbyPCRdrivenoverlapextension

实验概要 Extension of overlapping gene segments by PCR is a simple, versatile technique for site-directed mutagenesis and gene splicing.Initial PCRs generate overlapping gene segments that are then used as template DNA for another PCR to create a full-length product.Internal primers generate overlapping, complementary 3‘ ends on the intermediate segments and introduce nucleotide sub......阅读全文

Use-of-the-GUS-Reporter-Gene

One of the most important considerations in the expression of heterologous proteins in plants is the choice of promoter. The study of promoter act

Gene-Structure-Annotation-at-PlantGDB

The accurate identification of exons and introns that comprise a complete plant gene structure can be a time-consuming and challenging task. Novel

基因转型(gene-transformation)

目的带有特定基因的质体在分子生物研究上,是一个很重要的工具,将质体送入细菌的过程称为基因转形,经由基因转型可使质体在细菌中大量复制,以备进一步研究。本实验将把你在前面转殖实验中cDNA和质体DNA的连结反应送入细菌。 你将从本实验学习如何进行基因转型作用。原理早在1970年左右,有人发现细菌经由冰冷

Reverse-Transfection-for-Gene-Function-Analysis

This guide describes a microarray-based system for the functional analysis in mammalian cells of many genes in parallel. Mammalian cells are cultured

FOSB-gene-expression-and-drug-abuse

Drug addiction is associated with long-term behavioral changes, suggesting a long-lived transcriptional regulator that responds to chronic drug exposu

差异基因表达研究方法介绍(DDPCR;GENEFISHING;GENE-CHIP)

差异基因表达的研究受到了广泛的关注,常用的技术有DD-PCR;GENE-FISHING;GENE CHIP等。简单介绍如下: DDRT -PCR技术即mRNA差异显示聚合酶链式反应技术,此技术是以PCR技术和聚丙烯凝胶电泳技术为基础,结合银染或放射性自显影等显色技术,能快速有效地

Double-Stranded-RNA-Induced-Gene-Expression

One defense against viral infection is provided by PKR, double-stranded RNA activated protein kinase. When PKR interacts with dsRNA found in cells dur

Yeast-Gene-knockout-using-Oligo/PCR

Universal primers for gene knock-out using dominant drug markers: Kan, Clonat, and Hygromisin-B. Forward primer: 5’ TCAGGGGCATGATGTGACT 3’Reverse prim

Control-of-Gene-Expression-by-Vitamin-D-Receptor

The vitamin D receptor, VDR is the mediator of all genomic actions of vitamin D3 and its analogs. It belongs to a family of ligand induced transcripti

PCR-Primers-For-Gene-Expression-Detection-or-Quantification

Why PrimerBank?PrimerBank is a public resource for PCR primers. These primers are designed for gene expression detection or quantification (real-time

基因芯片(gene-chip)的原理

基因芯片(gene chip)的原型是80年代中期提出的。基因芯片的测序原理是杂交测序方法,即通过与一组已知序列的核酸探针杂交进行核酸序列测定的方法,在一块基片表面固定了序列已知的八核苷酸的探针。当溶液中带有荧光标记的核酸序列TATGCAATCTAG,与基因芯片上对应位置的核酸探针产生互补匹配时,通

GENEπ数字PCR技术应用教程

数字 PCR( digital PCR ,dPCR ) 下一代DNA/RNA扩增技术。原理是将一个PCR 反应体系分配到大量微小的反应单元中,在每个微反应器中包含或不包含 1 个或多个拷贝的目标核酸分子 (DNA 模板) ,进行“单分子模板”PCR 扩增。扩增结束后,通过阳性反应单元( 通过

Overview-of-telomerase-protein-component-gene-hTert-Transcriptional

Telomerase is an enzyme which replicates the terminal sequences of eukaryotic chromosomes, namely the telomeres. Cells which have an unlimited replica

报告基因(report-gene)的应用

报告基因被广泛地应用于细胞生物学中的基因表达和细胞相关内容的研究。常用的报告基因主要有GUS基因、CAT基因、hGH基因、Cato2ase基因、绿色荧光蛋白基因及萤火虫荧光素酶基因等。在这些报告基因中萤火虫荧光素酶基因因其表达产物-荧光素酶敏感性高,测定方法快速且宜于掌握,线性好,并且荧光素酶产生的

Functional-Genomics-and-Structural-Biology-in-the-Definition-of-Gene...

By mid-2007, the three-dimensional (3D) structures of some 45,000 proteins have been solved, over a period where the linear structures of millions

Targeted-Gene-Replacement-in-Fungal-Pathogens-via-Agrobacterium-...

Genome sequence data on fungal pathogens provide the opportunity to carry out a reverse genetics approach to uncover gene function. Efficient meth

克隆基因的表达(expression-of-cloned-gene)3

(3)原核生物的基因组基本上是单倍体,而真核基因组是二倍体。(4)如前所述,细菌多数基因按功能相关成串排列,组成操纵元的基因表达调控的单元,共同开启或关闭,转录出多顺反子(polycistron)的mRNA;真核生物则是一个结构基因转录生成一条mRNA,即mRNA是单顺反子(monocistron)

SUMOylation-as-a-mechanism-to-modulate-CtBPdependent-gene-responses

Covalent attachment of one eukaryotic protein to another is a prominent posttranslational modification and Ubiquitin is the most familiar of the prote

克隆基因的表达(expression-of-cloned-gene)1

基因表达(gene expression)是指储存遗传信息的基因经过一系列步骤表现出其生物功能的整个过程。典型的基因表达是基因经过转录、翻译,产生有生物活性的蛋白质的过程。基因的表达主要涉及到两个过程:转录和翻译。   第一节影响外源基因表达的因素 利用基因工程技术高水平表达

基因表达轮廓(gene-expressed-profile)技术3

电子杂交即虚拟的RNA杂交(Virtual northern blots)。用已知的EST序列为起始序列,采用BLAST(Basic Local Alignment Search Tool,BLAST)检索程序检索数据库中与其同源或有部分重叠的EST序列,以分别确定EST是属于已知基因还是已

基因表达轮廓(gene-expressed-profile)技术1

基因表达谱或基因表达轮廓(gene expressed profile)技术就是利用mRNA提取、cDNA合成、酶切、连接、PCR及分子杂交等分子生物学基础操作技术,将某一生物材料在某一特定阶段表达的基因全部展示出来,通过测序及与数据库比较或通过目标和对照样品中所表达基因的比较,可以找出特异表达

基因克隆技术(Gene-Cloning-Techniques)2

二、目的基因和载体的连接获得目的基因后必须将其放在一定的载体内才能在宿主细胞内扩增或表达。目的基因与载体的连接及其后续的转化过程习惯上称为克隆(cloning)。由于目前很多基因都是利用PCR技术获得,因此这里先介绍PCR产物的克隆策略,然后再介绍其他的克隆方式。(一)PCR产物的克隆策略获得PCR

Gene--Dev:揭开癌细胞复制的秘密

  南卡罗来纳医科大学霍林斯癌症中心的科学家发现,一些细胞可以在必要因子存在的情况下分裂。他们的结果发表在2018年7月的《Gene & Development》杂志上。这一发现解释了肝细胞在受伤后如何再生,以及可以帮助我们了解癌症是如何产生的,以及癌细胞如何进化以产生额外的突变,从而加速生长和扩散

Polymerase-Chain-Reaction-(PCR)-to-Amplify-rRNA-Gene-Fragment

Polymerase Chain Reaction (PCR) to Amplify rRNA Gene FragmentPrepare sufficient master mix for both partners (45 mL/50 mL reaction)10 mL 10x PCR buffe

Mechanism-of-Gene-Regulation-by-Peroxisome-Proliferators-via-PPARa(alpha)

The most recognized mechanism by which peroxisome proliferators regulated gene expresssion is through a PPAR/RXR heterodimeric complex binding to a pe

Gene-Expression-Analysis-of-Shoot-Apical-Meristem-Cell-Types

Shoot apical meristems (SAMs) of higher plants harbor a set of stem-cells and provide cells for the development of all the above-ground biomass of

基因克隆技术(Gene-Cloning-Techniques)2

二、目的基因和载体的连接 获得目的基因后必须将其放在一定的载体内才能在宿主细胞内扩增或表达。目的基因与载体的连接及其后续的转化过程习惯上称为克隆(cloning)。由于目前很多基因都是利用PCR技术获得,因此这里先介绍PCR产物的克隆策略,然后再介绍其他的克隆方式。 (一

Overview-of-telomerase-RNA-component-gene-hTerc-Transcriptional-Regulation

Telomerase is an enzyme which replicates the terminal sequences of eukaryotic chromosomes, namely the telomeres. Cells which have an unlimited replica

克隆基因的表达(expression-of-cloned-gene)2

在双链 DNA 分子中,只有一条链转录成 mRNA,这条链称为有意义链(sense strand),该基因的另一条链则称反意义链(antisense strand)。在含有许多基因的 DNA 双链中,每个基因的有意义链并不是在同一条 DNA 链上。也就是说,一条链上既具有某些基因的有意义链,

Lissencephaly-gene-(LIS1)-in-neuronal-migration-and-development

Integration of pathways that regulate nucleokinesis during neuronal migration and a model of LIS1 mediating CLIP-170 interactions with the dynein/dyna