Name: site-specific bacterial chromosome engineering: &#934;c31 integrase mediated cassette exchange (imce)
Uploaded: 2012-03-16T13:00:00
Description: Watch this Scientific Journal Video about Site-specific Bacterial Chromosome Engineering: ÃŽÂ¦C31 Integrase Mediated Cassette Exchange IMCE at JoVE.com

请提供整合克隆玛格丽特厘米史密斯 资金支持： 加拿大基因组/基因组大草原 NSERC发现和战略项目赠款

1。文化生产<ol><li>准备无菌液体介质：TY 10（5克/ L，蛋白胨，酵母提取物3克/升，0.44克/升的氯化钙脱水），11磅（10克/ L，蛋白胨，5 g / L酵母提取物，5克/氯化钠，pH值7）。 </li><li>从一个单一的殖民地：TY传媒SmUW227（ 根瘤菌的 LP应变：建设将在别处描述，紧张施工细节要求）（）到5毫升50微克/毫升大观接种。接种以下株，到5毫升的LB液体培养基，给予抗生素补充： ?...

<ol>
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该的IMCE技术允许为一个单一的attB两侧LP轨迹以前工程菌的DNA磁带的有效整合。一旦RFP创建捐助盒克隆所需的构造，该技术并不需要随后的DNA纯化和改造，使得它非常健壮。这是至关重要的，包括适当的生长控制，是某些抗生素耐药性是由于建立反稳定整合，而不是其他因素。 IMCE生产效率约0.5％的反式稳定整合。相反，通过同源重组的双重交叉发生在约10 -6?...

<table border="1"><tbody><tr><td> 试剂名称 </td><td> 公司 </td><td> 目录编号 </td><td> 评论 </td></tr><tr><td>链霉素</td><td> bioshop加拿大公司</td><td> STP101 </td><td></td></tr><tr><td>大观</td><td> bioshop加拿大公司</td><td> <a href="https://ssl34.alentus.com/bioshopcanada/detail.asp?Pin=SPE201">SPE201</a> </td><td></td></tr><tr><td>庆大霉素</td><td> bioshop加拿大公司</td><td> GTA202 </td><td></td></tr><tr><td>氯霉素</td><td> bioshop加拿大公司</td><td> CLR201 </td><td></td></tr><tr><td>四环素</td><td> bioshop加拿大公司</td><td> TET701 </td><td></td></tr><tr><td>卡那霉素</td><td> bioshop加拿大公司</td><td> KAN201 </td><td></td></tr><tr><td>细菌级琼脂</td><td&gt; Bioshop加拿大公司</td><td> AGR001 </td><td></td></tr><tr><td>蛋白胨</td><td> bioshop加拿大公司</td><td> TRP402 </td><td></td></tr><tr><td>酵母提取物</td><td> bioshop加拿大公司</td><td> YEX401 </td><td></td></tr><tr><td>氯化钠</td><td> bioshop加拿大公司</td><td> SOD001 </td><td></td></tr><tr><td>氯化钙</td><td> bioshop加拿大公司</td><td> CCL444 </td><td></td></tr><tr><td> X - GLUC </td><td>黄金生物技术公司</td><td> G1281C1 </td><td></td></tr><tr><td> 大肠杆菌 MT616应变</td><td>可要求</td><td></td><td>也可用于我们的实验室之外</td></tr><tr><td> 大肠杆菌 pJC2应变</td><td>在内部，可以通过请求</td><td></td><td></td></tr><tr><td> 大肠杆菌 pJH110应变</td><td>在内部，可以通过requesţ </td><td></td><td></td></tr><tr><td> SmUW227应变</td><td>在内部，可以通过请求</td><td></td><td></td></tr></tbody></table>

site-specific bacterial chromosome engineering: &#934;c31 integrase mediated cassette exchange (imce)

可用于细菌染色体的稳定保持在大型基地范围内1外源DNA。整合到染色体复制质粒，质粒稳定性，质粒不相容性和质粒拷贝数变异，如规避的问题。这种方法使用从链霉菌噬菌体（Φ）C31的2,3特定地点的整合。 ΦC31整合酶催化两个特定的DNA位点之间的直接重组：attB和attP（34和39个基点，分别）4。此重组是稳定的，并没有恢复5。一个“着陆垫”（LP）的1霉素抗性基因，AADA（SPR），和大肠杆菌组成的序列大肠杆菌 β-葡萄糖醛酸酶基因（uidA基因 ）两侧attP网站已整合到苜蓿根瘤菌，Ochrobactrum anthropi，在区域间的农杆菌染色体， 上午PC轨迹和的TETA轨迹，分别与根瘤菌用于在该协议。捐助动员的载体侧翼1填塞红色荧光蛋白（RFP）基因和抗生素抗性基因的attB网站也已建成。在这个例子中使用庆大霉素的耐药质粒pJH110。使用SPH我和 Pst一所需的结构可能会被替换的RFP基因6另外attB网站两侧，可能是一种人工合成的构造子克隆到动员的载体，如pK19mob 7。由lac启动子驱动的ΦC31整合（克隆pHS62 8）基因的表达质粒pRK7813 9上动员的广泛的寄主范围。 一个tetraparental交配协议用于转移到捐助盒的LP菌株，从而取代捐助卡带在LP序列标记。这些细胞的移植S-稳定整合。横贯稳定整合，形成了0.5％的典型效率。横贯稳定整合通常是发现在第一500-1000菌落筛选抗生素的敏感性，或用5 - 溴-4 - 氯-3 - 吲哚基-β-D-葡萄糖醛酸（X GLUC）蓝白筛选。该协议包含用于创建和隔离跨稳定整合的交配和选拔程序。

Watch this Scientific Journal Video about Site-specific Bacterial Chromosome Engineering: ÃŽÂ¦C31 Integrase Mediated Cassette Exchange IMCE at JoVE.com

Site-specific Bacterial Chromosome Engineering: ÃƒÅ½Ã‚Â¦C31 Integrase Mediated Cassette Exchange IMCE

描述一个快速和有效的方法融入预制受体菌株，称为停机坪株，外源DNA的利益。该方法允许进入工程着陆垫一个给定的应变轨迹的站点特定的DNA盒的整合，通过共轭ΦC31整合表达。

网站特定的细菌染色体工程：ΦC​​31整合介导的盒式交换（IMCE）

The bacterial chromosome may be used to stably maintain foreign DNA in the mega-base range1. Integration into the chromosome circumvents issues such as ...

Research

JoVE Journal

Bioengineering

Site-specific Bacterial Chromosome Engineering: &#934;C31 Integrase Mediated Cassette Exchange (IMCE)

Procedure for Lung Engineering

龙工程的程序

Lung tissue, including lung cancer and chronic lung diseases such as chronic obstructive pulmonary disease, cumulatively account for some 280,000 deaths ...

科研

生物工程

Characterizing Bacterial Volatiles using Secondary Electrospray Ionization Mass Spectrometry (SESI-MS)

Characterizing Bacterial Volatiles using Secondary Electrospray Ionization Mass Spectrometry SESI-MS

使用辅助电喷雾质谱（SESI - MS）表征细菌挥发

Secondary electrospray ionization mass spectrometry (SESI-MS) is a method developed for the rapid detection of volatile compounds, without the need for ...

High efficiency, Site-specific Transfection of Adherent Cells with siRNA Using Microelectrode Arrays (MEA)

High efficiency, Site-specific Transfection of Adherent Cells with siRNA Using Microelectrode Arrays MEA

高效率，站点特定的贴壁细胞转染siRNA的微电极阵列（MEA）

The discovery of RNAi pathway in eukaryotes and the subsequent development of RNAi agents, such as siRNA and shRNA, have achieved a potent method for ...

Capillary Force Lithography for Cardiac Tissue Engineering

毛细力光刻技术在心脏组织工程

Cardiovascular disease remains the leading cause of death worldwide1. Cardiac tissue engineering holds much promise to deliver groundbreaking medical ...

Observing and Quantifying Fibroblast-mediated Fibrin Gel Compaction

观察和量化纤维细胞介导的纤维素凝胶压实

Cells embedded in collagen and fibrin gels attach and exert traction forces on the fibers of the gel. These forces can lead to local and global ...

Synthesis of an Intein-mediated Artificial Protein Hydrogel

内含肽介导的人工蛋白水凝胶的合成

We present the synthesis of a highly stable protein hydrogel mediated by a split-intein-catalyzed protein trans-splicing reaction. The building blocks of ...

Manufacturing Of Robust Natural Fiber Preforms Utilizing Bacterial Cellulose as Binder

制造业的鲁棒天然纤维预制体的利用细菌纤维素为粘结剂

A novel method of manufacturing rigid and robust natural fiber preforms is presented here. This method is based on a papermaking process, whereby loose ...

Microbiologically Induced Calcite Precipitation Mediated by Sporosarcina pasteurii

Microbiologically Induced Calcite Precipitation Mediated by Sporosarcina pasteurii

微生物诱导方解石沉淀通过介导<em&gt; Sporosarcina巴斯德</em

The particular bacterium under investigation here (S. pasteurii) is unique in its ability, under the right conditions, to induce the hydrolysis of urea ...

Tissue Engineering by Intrinsic Vascularization in an In Vivo Tissue Engineering Chamber

Tissue Engineering by Intrinsic Vascularization in an In Vivo Tissue Engineering Chamber

在组织工程由内在血管化<em&gt;在体内</em&gt;组织工程商会

In reconstructive surgery, there is a clinical need for an alternative to the current methods of autologous reconstruction which are complex, costly and ...

Microfluidic Buffer Exchange for Interference-free Micro/Nanoparticle Cell Engineering

微流控缓冲液更换为无干扰微/纳米颗粒细胞工程

Engineering cells with active-ingredient-loaded micro/nanoparticles (NPs) is becoming an increasingly popular method to enhance native therapeutic ...

网站特定的细菌染色体工程：ΦC​​31整合介导的盒式交换（IMCE）

网站特定的细菌染色体工程：ΦC31整合介导的盒式交换（IMCE）