A New C-Terminal GST Vector for Protein Production in S. pombe
...e. Recombinantclones were identified by colony PCR analysis using vector-specific primers (thepESP-3 vector forward and reverse primers) that flank the MCS. A positive clonewas chosen for further study. Figure 2 Panel A figures 2 Panel B figures 2 Panel C The pESP-3 vec...A Positive Selection Assay for Mutation Analysis in Big Blue Animals
...ow offers an alternative way to perform mutational analysis inthe Big Blue transgenic rodent mutagenesis as...can easily be rescued from the genome for mutation analysis in an E. coli host. In the established version of the Big Blue assay, the lacI gene ...New Mammalian Two-Hybrid System Detects Protein-Protein Interactions
...AF2 fusion proteins were confirmed by Western blot analysis using anti-GAL4 DNA-binding domain monoclonal antibody (Santa Cruz Biotech) and anti-NF- k B polyclonal antibody (Santa Cruz Biotech), respectively (data not shown). These results demonstrated that the mammalian two-hy...Low Abundance cDNA Cloned Using Stratagenes Human Universal cDNA Library
...ted to tryptic digestion and microsequence analysis by mass spectrometry. We obtained partial sequences from 23 peptides that were derived from two independent experiments. We designed highly degenerate primers from these partial peptide sequences, but our initi...New Kit Generates Exceptionally Pure Total RNA for RT-PCR
...que for gene discovery and gene expression analysis because it amplifies expressed RNA sequences. 1 R... Fig.1 In Figure 1 , PCR analysis was performed to demonstrate the absence of DNA contamination in RNA isolated from different...Antibodies for Studying NMDA Receptor Protein Expression and Synapse-Specific Immunolabeling
...ns. These antibodieshave been used in Western blot analysis of rat brain to study expression ofspecific NMDA receptor subunits. In addition, these antibodies can be used forimmunoprecipitation and immunohistochemistry. Stratagene also introduces anantibody for synapsin I, the synapse-specific protein, that is...Brilliant Core Reagent Kits for QPCR and QRT-PCR
... were added. Table 4 shows the real-time analysis of this target titration for the abundant ... mRNA from human brain total RNA. For thereal-time analysis of the RT-PCR amplification, we used the primers and linearhydrolysis probe from the TaqMan pre-deve...Control RT-PCR Primers for Human Gene Transcripts with Varying Abundance
...genes. Alternative means of genediscovery based on analysis of differential expression of genes [e.g.Differential Display, 2 or serial analysis of gene expression (SAGE) 3 ]rely heavily on cDNA generation from RNA. Gene expression analysis, whe...Versatile Vectors for Ponasterone A- Inducible Control of Gene Expression in Mammalian Cells
...egene of interest can be monitored by Western blot analysis or RNA detection. DNA vector-based systems that allow precise control of gene expression invivo are invaluable for studying gene function in a variety of organisms,particularly when studying developmental and other biological processes forwhich the ...Epitope-Tagging Vectors for Functional Analysis in Yeast
...ckbone, which allows expression andepitope-tagging analysis of two different genes in a single yeast cell. Ch...ic acid). These features facilitate the functional analysis ofgenes by plasmid shuffling. 3 Both the GAL1 and GAL10 promoters from S. cerevisiae are strictlyr...... is vivid (Figure 2). Western blot analysis clearly indicates expression of the luciferase protein (Figure 2). Fig.2 New Expression Vectors Generate hrGFP Fusion Proteins The newest Vitality vectors are the phrGFP-N1 and phrGFP-C protei...Luminol-enhanced Assay for Superoxide Anion (O2 face="Symbol" )
... infections and biochemical research involving the analysis of leukocyte signal transduction pathwayscomponents comprising NADPH oxidase and requirements of the respiratory burst. In addition, the assay may be used to study the generation of oxygen radicals in AIDS patients 9 and control their opportunistic ...Fast and Easy Isolation of PCR-Ready Genomic DNA from Whole Blood
...isolated from whole blood has a broad range of PCR analysis applications that include typing HLA class...ribed in the kits manual ( Figure 2 ). PCR analysis was performed using 1 ml of the isolated genomic DNA as template and primers specific for 1-...Human Universal cDNA Library Array I
... found to display a discrete band by Northern blot analysis when hybridized with a human b-actin cDNA probe. ...es. One set was used to purify the DNA for analysis and storage while the other set was soaked in a sucrose solution and frozen at -80C to be us...Reliable Assessment of Micronuclei for Genotoxicity Testing in Mice or Rats
...e orRats Precise and cost-effective micronucleus analysis made easy with theicroFlow Micronucleus Analysis K... according to the manual. Flow cytometric analysis was performed at Litron as previously described. 7 When 10,000 total RETs were acquired, th...Map and Link Human Genetic Disorders with SSLP Analysis
...c DNA in thepresence of a -[35S]dATP, followed by analysis onCastAway 4.5% or 6% denaturing polyacrylamide gels. PCR amplifications wereperformed in 25-l reactions containing 50-ng of genomic DNA; 2 units of TaqDNA polymerase; 2.5 pMol of each primer; 200 M of dCTP, dTTP, and dGTP; 2.5M dATP; 2 mM MgCl2; 10 ...New Protocols for Isolating High- Molecular-Weight Genomic DNA
... that were 500-kb long. 2 Subsequent Southern blot analysis demonstrated that the DNA cut with a varietyof res... vector from theanimals genomic DNA for subsequent analysis of mutations within a targetregion of the vector. The shuttle vector in Big Blue was derived frombac...High-Throughput Isolation of Total RNA
... also subjected to molecular beacon RT-PCR analysis 5 using primers and a beacon specific for the low-abundance target HPRT ( Figure 4 ). The beacon hybridizes quantitatively to the target sequence and emits fluorescence in this conformation. The threshold cycle number (C t ) ...Organize Your Data from the Big Blue Mutation Assay
...riment continues. After experiments are completed, analysis andreporting features greatly simplify data interp...Trak Electronic Notebook provides data storage and analysis in an easy-to-use system that encompasses both the lacI plaque color screening and the l Select-cI...A New PCR-based Mycoplasma Detection Method
...ssociated with cellculture infections. Restriction analysis of the PCR product produced distinctivefingerprint...diagnose mycoplasma species. Consequently, primary analysis ofthe PCR product and secondary restriction analysis could be conducted inparallel on a single agaro...Functional Cloning Using ViraPort Retroviral cDNA Expression Libraries
... 4A ) and expanded an additional 10 days. FACS analysis of the twice-sorted population indicated that over 90% of the cells reacted with the receptor-specific antibody. PCR reactions were performed using vector-specific primers, which flank the cloning site, and genomic DNA was iso...High-Level Protein Expression, One-Column Purification, and FLAG Epitope Tagging in E. coli
...JNK by anti-FLAG M2 antibody, western blot analysis was performed on the thrombin digest time points. ...ulose filter and subjected to western blot analysis with an anti-c-Jun antibody (Transduction Laboratories, Lexington, KY) by standard procedure...Simple Purification of DNA from Plasmid Minipreps, PCR Amplifications and Agarose Gels
... figure 3 Sequence analysis of purified nucleic acids is a rigorous functional test of DNA purity. DNA purified with the StrataPrep kit was sequenced using fluorescent dye terminator and dye primer chemistries with an ABI PRISM 377 sequencer ( figure ...Stable HeLa Luciferase Reporter Cell Lines Expressing GAL4 Fusion Transactivators
...as prepared and used as a template for PCR analysis to confirm that each fusion trans-activator plasmi... Fig.3 Additional testing included an analysis of the activation of luciferase activity in these stable cell lines by extracellular stimuli...CastAway Precast Gels for Rapid Automated DNA Sequence Analysis
... precast gels for automated sequencing and genetic analysis Stephen Roemer Mary Jensen Harry Osterman Mar... to analyze 1,440 genotypes per gel. DNA sequence analysis remains an essential technology for elucidating genestructure and function. For more than a decade, ...A New Lambda Vector for Mammalian Expression
...se protein in both samples by Western blot analysis (data not shown). To further demonstrate the funct...ed into the pBluescript SK(-) plasmid vector for analysis of transcripts via expressed sequence tag (EST) sequencing or subtraction and normal...Transfection of Green Fluorescent Protein into Human Adrenalcarcinoma Cells
...s than LipofectAMINE reagent. Quantitative analysis of transfection efficiencies using various conditions for both liposome-based reagents is summarized in figure 2. Figure 2 The increased transfection efficiency seen when using LipoTAXI transfec...Fluorescence-Based Single-Tube Assays to Rapidly Detect Human Gene Mutations
... of the three kits was determined by real-time PCR analysis using the ABI Prism 7700 sequence detect...expected results were obtained by molecular beacon analysis (assay details in kits manual). Examples of the results for CFTR (DF508) allelic dis...Easily Amplify Genomic DNA with Long-Distance PCR
...enic mice technology and may be useful fordetailed analysis of chromosomal loci with extensive modifications, eitherintroduced by homologous recombination or naturally occurring (i.e.,deletions and insertions). REFERENCES Abbott, C., et al. (1988) Trends Genet. 4: 325. Hanley, T. and Merlie,...Versatile Reporter Vectors for Monitoring Viral Transduction
...nting blue cells using light microscopy or by FACS analysis of infected cells following incubation with a fluorescent b -galactosidase substrate. Additionally, by employing the pFB-Neo-LacZ vector, viral titers may also be determined by G418-resistant colony formation due to the prese...Yeast Protein Production System Features High Yields and One-Step Purification
...ly fulfilled by prokaryoticexpression systems, the analysis of eukaryotic proteins, whose functions aredetermi...in S. pombe. Figure 3 shows Western blot analysis of the GST-calmodulin fusion protein in the pESP-1 vector that has been expressed in cells g...Simple Isolation of RNA from Tissue and Cultured Cells
... The Mx4000 molecular beacon expression analysis kit for mouse -actin 5 was used for real-time RT-PCR analysis of RNA isolated from NIH/3T3 cells with the StrataPrep total RNA miniprep kit. RNA is readil...Expression and Purification of Recombinant Proteins That Have Native Amino Acid Sequence
...of the LIC cloning method was confirmedby sequence analysis of the regions flanking the N terminus and C terminus ofthe inserted gene. LIC cloning was also performed with 50 ng of prepared DNA coding for thekanamycin gene annealed to 30 ng of prepared pCAL-n-EK vector DNA. Onetenth ofthe reaction was transfo...Detect Released Oligosaccharides Using the Eagle Eye II Still Video Imaging System
...ntly different, indicatingthat successful FACE gel analysis does not require a dedicated single-use device(such as the Glyko SE2000). Consequently, the versatile Eagle Eye II still videosystem is superior because it can be used for many applications withoutcompromising experimental results. Glycoprotein carb...Four New CastAway Precast Gels
...w 12% CastAway gels are ideal for DNAfootprinting, analysis of oligonucleotides and other applications requiring theuse of high-percentage polyacrylamide gels for resolution of smaller DNAfragments. The12% CastAway gels feature 32 preformed wells, which reducecrossover contamination from adjacent wells, and h...Fractionating DNA Fragments Generated by Differential Display PCR
...ndependent technique such as Northern blot analysis or dot blotting. Conclusions The CastAway system...atory used the CastAway systemfor performing DDPCR analysis of leukocytes from allergic and nonallergic blooddonors. REFERENCES Lorenz, J. (1996) Eur....The GeneZoo or the GeneJungle?
...ound in UniGene, and based on our initial in-house analysis of known sequences about 50% of Stratagenes clones contain full-length open reading frames which corresponds to our predicted estimate for the collection. Inherent Problems with Clustering ESTs ESTs (Expressed Sequence Tags) are DNA sequences deriv...Constructing Directional cDNA Libraries from Limited Amounts of RNA
...fied cDNA. We examined this library by PCR analysis of 20 randomly picked colonies to determine ...e of 700 base pairs ( Figure 3 ). Sequence analysis confirmed that inserts contained 3-polyadenlylation regions (data not shown). Fig....Randomize Gene Sequences with New PCR Mutagenesis Kit
...These data were compiled from DNA sequence analysis (37.5-kb total) of 45 clones randomly selected from lacZ mutagenesis studies. Mutations were distributed uniformly throughout the lacZ gene, rather than localized in hotspots (data not shown). Mutazyme DNA polymerase introduce...Imaging Chemiluminescent Western Blots
...ents of bands. 1 As long as pixels within analysis areas are not saturated and the dimensions of the analysis areas are kept constant, band concentration is directly proportional to integrated density. ...Identification of Differentially Expressed Gene Products with the CastAway System*
CastAway precast gels for fast analysis of RAP-PCR and differentialdisplay Douglas McK...ts generated in RAP-PCR and DD are subjectedto gel analysis using high-resolution polyacrylamide gel electrophoresis (PAGE).Bands of interest are excised from t...Improved Vectors for PathDetect Trans-Reporting Systems
...roteins in HeLa cells was confirmed by Westernblot analysis using a monoclonal antibody that recognizes the GAL4 DNA bindingdomain (data not shown). The pFA2-cJun, pFA2-CREB and pFA2-Elk1 plasmids werealso tested in transient transfection assays in HeLa cells. For eachtransfection, the activity and specificit...Tools for Detecting MSH2 Expression in Chinese Hamster Ovary Cells
...rated system simplifies and improves Northern blot analysis Karen Dolter Jeff Braman Stratagene Streamline RNA analysis with a whole host of products from Stratagene.First, the StrataPrep total RNA miniprep kit isus...Keys to Successful Densitometry
...ow pixel saturation, background levels and analysis area can affect the accuracy of densitometry ... of pixel saturation, background levels and analysis area on densitometry calculations are understood, the analysis of integrated density and con...Versatile Transfection Reagent Offers Low Toxicity and Consistent Performance
... Figure 4 A quantitative analysis of transfection efficiencies is shown for LipofectAMINE reagent ( Figure 4 A) and LipoTAXI reagent ( Figure 4 B). For all tested conditions, LipoTAXI transfection reagent yielded higher transfection efficiencies of SW1...Mammalian Expression Vector for Efficient Cloning of PCR Fragments
... the GFP gene product was detected by Western blot analysis (datanot shown). Figure 2 Similarly, t...ecular weight was detected by Western blot analysis (data not shown). Luciferase activity and expression from the pCMV-Script vector were equiva...Low-Toxicity, Lipid-Mediated Transfection of Mammalian Cells
...typical optimization results. Many facets of gene analysis and recombinant protein expression rely oncontinuous development and improvement of transfection technology, theprocedures for transferring foreign DNA into mammalian cells. 1,2 LipoTAXItransfection reagent offers improved, state-of-the-art transfec...High-efficiency Derivatives of the BL21 Series for Protein Expression
...lasmid miniprep DNA for sequencing and restriction analysis easier than in an EndA + strain. We have ...icient quality and quantity to perform restriction analysis and DNA sequencing. BL21-Gold, BL21-Gold(DE3) and BL21-Gold(DE3)pLysS competent cell...Sequence-Validated and Expression-Tested Human cDNA in a Dual Expression Vector
...n-tested clones are tested by Western blot analysis with the anti-c-myc antibody to verify mammalian expression of a protein in CHO cells of the predicted molecular weight ( Figure 4 ). Fig.4 Inducible High-Level Bacterial Expression The GeneConnection expressi...New Fusion Trans-Activator Plasmids for Studying Signal Transduction Pathways
...f the fusion proteinswas confirmed by Western blot analysis with an antibody to the GAL4 DNA bindingdomain. All constructs were tested and confirmed for specificity and activationlevels in transient transfection assays in Chinese hamster ovary (CHO) and HeLacells (unpublished data). We also cloned the activat...Fast Isolation of Total RNA from Small Numbers of Cells
...subjected to real-time quantitative-RT-PCR analysis using a GAPDH-specific molecular beacon fo...Mx4000 molecular beacon GAPDH expression analysis kit specifically detects GAPDH mRNA sequences but not genomic DNA or pseudogene sequences. 9...... Conclusions After data collection and analysis of a series of experiments comparing bacterial growth in different media using 15 ml culture tubes versus the Eppendorf LidBac, it can be concluded that the Eppendorf Lidion with the Thermomixer R and a rich media is a more ef...A membrane-lid tube for bacteria cultivation and freeze-drying
...t normally grow in short, rodlike shapes an analysis of cell morphology of cultivated bacteria enables the tubes to be assessed in regard to their suitability for bacteria cultivation. Following overnight cultivation, the bacteria strains E. coli HB101 (facultatively anae...With the aid of spectroscopy, the quantitative analysis of nucleic acids and proteins has established itself as a routine method in many laboratories. It includes absorption measurements in the ultraviolet and in the visibility range. Proteins are measured (directly) at 280 nm, nucleic a...Sample Preparation for Microinjection
...f automated systems allows biochemical analysis of microinjected cells. Between 500 and 1000 ...coverslip. Proceed with biochemical analysis (depends on the particular experiment). ...Eppendorf Perfectprep Gel Cleanup Kit
... Labeling and hybridization Dot Blot analysis was used to determine the effectiveness of labeling and hybridizing a DNA fragment purified using the Eppendorf Perfectprep Gel Cleanup Kit. The PCR product was gel extracted and purified, then labeled using the Ambion (Aust...An Assessment of the Eppendorf twin.tec plate performance in PCR* applications
...in region using both these plates. The gel analysis indicates that the amplified products are ...R products. Note the samples shown in this analysis are from the same wells in both plates, D5D8, and were chosen as good representatives of the......degree of parallelism, they allow the simultaneous analysis of complex genetic changes, thereby enabli... Fig. 3: Two-dimensional scatter plot analysis (Cy3 against Cy5 fluorescence signal, logarithmic) of a typical experiment according to ...Chemical Stability of the Brinkmann Bottletop Dispenser and the Brinkmann Bottletop Buret
...e use of a Bottletop Dispenser for residue analysis in the lab of a food manufacturer as well as a lis... Dispensing ultrapure solvents for residue analysis at the Hipp plant in Pfaffenhofen, Germany The residue analysis of foodstuffs place...Isolation of Cosmids using Eppendorf's Perfectprep Plasmid Mini Kit
...ening of the Neurospora crassa genome. Restriction analysis of the pLorist6Xh vector isolated from the...ectprep Plasmid Mini Kit was performed for analysis of DNA. The procedure shows the ability of the Perfectprep Mini Kit to isolate the pLorist6X...