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New Mammalian Two-Hybrid System Detects Protein-Protein Interactions
...orter plasmid). Our results indicated that sequences of p65 between amino acids 364 and 550 gave the highest luciferase activity and were even higher than the activity obtained with the GAL4 BD-VP16-fusion protein ( Figure 3 , Panel B). Therefore, this segment (amino acids 364 t...Low Abundance cDNA Cloned Using Stratagenes Human Universal cDNA Library
...NA sequence is often hindered by the short sequences of the reported ESTs that are biased towar...metry. We obtained partial sequences from 23 peptides that were derived from two independent experiments. We designed highly dege...New Kit Generates Exceptionally Pure Total RNA for RT-PCR
...-3-phosphate dehydrogenase (GAPDH) related sequences that are present in greater than 200 copies in the mouse and rat genomes. 4 The generation of a 0.2-kb PCR product from the control samples lacking reverse transcriptase (RT) indicates that DNA is present in the RNA sample. T...Detect Single Nucleotide Sequence Changes with Mx4000 Molecular Beacon Allelic Discrimination Kits
...cons can be used to differentiate different target sequences in the same solution. Mx4000 Molecular Beacon Allelic Discrimination Kits Stratagenes Mx4000 molecular beacon allelic discrimination kits includethe following components: a mixture of two allele-specific molecular beaconswith an exact seque...An Epitope Tagging Vector for Gene Expression in Mammalian Cells
...the pCMV-Script vector 4 and contains sequences for the FLAG and c-myc epitopes. These specific epitope tags are small, not interfering with the function of the target protein, and highly immunoreactive. The FLAG epitope is a synthetic epitope that consists of eight amino a...Detecting Gastrin-Releasing Peptide Receptor by in situ PCR on Archived Tissue
...tu PCR (ISPCR) allows the detection of DNA and RNA sequences inindividual cells. Coupled with reverse transcription, RTISPCR permits thedetection of rare mRNA species in their precise histological location and issuperior to standard in situ hybridization. 9,10 Furthermore, RTISPCRcan be applied to archival ti...Epitope-Tagging Vectors for Functional Analysis in Yeast
...oject indicate that S. cerevisiae shows homologous sequences forone-third of the human disease genes discovered...hostcell. The pESC vectors also contain DNA sequences coding for epitope peptides that can be specifically recognized by monoclonal antibodies. A ...Safe Production of High-Titer Retrovirus
... The U5 region follows and, along with R, contains sequences that are critical for reverse transcriptio... packaging vectors described, the onlyMMLV-derived sequences are the gag-pol and envelope proteins themselves(except for the VSV-G protein, which is derived from...New Yeast Cloning System for Producing Proteins with Native Amino Acid Sequences
...y using primers that include 12- and 13-nucleotide sequences that are complementary to the 5 single-stranded overhangs of the pESP-2 vector. Following PCR amplification, the PCR product is treated with Pfu DNA polymerase in the presence of dATP. In the absence of dTTP, dGTP an...High-Throughput Isolation of Total RNA
...9-bp product from cDNA and from pseudogene sequences in genomic DNA. We performed cDNA synthesis reactions both in the presence and absence of reverse transcriptase, followed by PCR as an assay for DNA contamination. No DNA was detected in the StrataPrep 96 kit samples using eit...High-Level Protein Expression, One-Column Purification, and FLAG Epitope Tagging in E. coli
...n. 3 Most fusion vectorsinclude short recognition sequences for site-specific proteases that allowremoval of t...pecific primers that include 12- and 13-nucleotide sequences at the 5 ends that are complementary to the pCAL-n-FLAG vector single-stranded tai...Simple Purification of DNA from Plasmid Minipreps, PCR Amplifications and Agarose Gels
... kit or a silica-gel membrane method. Both sequences were aligned with a published data set. For the silica-gel membrane method, 12 ambiguous base calls were identified in 801 bases of sequence. Only 8 ambiguities were seen in 795 bases of sequence from plasmid that was purified...Transfection of Green Fluorescent Protein into Human Adrenalcarcinoma Cells
...ng the pEGFP-C3 andpEGFP-N3 vectors, which contain sequences encoding the enhanced version of greenfluorescent protein (EGFP) whose expression is driven by the cytomegalovirus (CMV)promoter. Convenient restriction sites in these vectors allow fusion of aprotein of interest to either the amino- or carboxy-termi...Fluorescence-Based Single-Tube Assays to Rapidly Detect Human Gene Mutations
...ost yet specific enoughto distinguish nucleic acid sequences differing by a single nucleotide.Currently used mu... the stem is formed by short complementary sequences located at the opposite ends of the molecule. The molecule is labeled with a fluorophore at ...Yeast Protein Production System Features High Yields and One-Step Purification
...iamine. The pESP-1 vector also contains DNA sequences coding for amino acid residues that are specifically recognized and cleaved by enterokinase and thrombin. These sites are located between the GST tag and the multiple cloning site (figure 1). Insertion into the multipl...Simple Isolation of RNA from Tissue and Cultured Cells
...aldehyde-3-phosphate dehydrogenase (GAPDH) sequences (present in approximately 200 copies in mouse and ...or the presence of DNA. PCR amplification of GAPDH sequences from cDNA shows the expected 0.2-kb fragment ( Figure 3 : Lanes 1, 3, 5, and 7). Whe...Efficient Cleavage of Fusion Proteins to Yield Native Amino Termini
...ific proteases and their cognate target amino acid sequences are often used to remove the fusion protein tags that facilitate enhanced expression, solubility, secretion or purification of the fusion protein. The serine protease enterokinase (EK) is particularly attractive because ...Expression and Purification of Recombinant Proteins That Have Native Amino Acid Sequence
...This configuration allowsefficient cleavage of all sequences at the N terminus of the polypeptide ofinterest an... with native amino acid sequence. 3 Protein coding sequences are cloned into the pCAL-n-EK vector by LIC, ahigh-efficiency cloning method that does not require l...pFB-ERV: Retroviral Delivery of the Ecdysone Receptor Proteins
...tes in such a way thatthe (inactive) 3 U3 promoter sequences aretransferred to the 5 LTR, and the proviral 5promoter is then inactive in infected cells. The rationale for this constructionis the following: The CMV promoter is stronger than the MMLV LTR and ispersistently active in a wider range of cell types, ...Fractionating DNA Fragments Generated by Differential Display PCR
...ain more than one DNA species. 4 Once the sequences of interest have been identified, the differential expression between the two RNA populations may be confirmed using an independent technique such as Northern blot analysis or dot blotting. Conclusions The CastAway system is...The GeneZoo or the GeneJungle?
...nd based on our initial in-house analysis of known sequences about 50% of Stratagenes clones contain full-lengt...ering ESTs ESTs (Expressed Sequence Tags) are DNA sequences derived from sequencing the 5 and/or 3 termini of cDNA inserts using vector-specific sequencing ...Constructing Directional cDNA Libraries from Limited Amounts of RNA
...library. In Table 1 , the breakdown of analyzed sequences into gene classes is described for each li...oth libraries coordinate with the expected sequences that we observed to be expressed in liver tissue. Table 1: Breakdown of Sequencing ...Randomize Gene Sequences with New PCR Mutagenesis Kit
...d reaction conditions. 1,2 Randomized DNA sequences are cloned into expression vectors, and th... Error-prone PCR conditions: DNA sequences were amplified as described in the manual for the GeneMorph PCR mutagenesis kit. Briefly, an...Codon Bias-Adjusted BL21 Derivatives for Protein Expression
...tered. A complete compilation of codonusage of the sequences placed in the gene bank database can be found athttp://www.dna.affrc.go.jp/~nakamura/codon.html Codon frequencies of more than 15codons/1000 codons are shown in bold to help identify a codon bias that may cause problemsfor high-level expression in E....High-Titer Retroviral Vectors for Gene Delivery
...ed by the U5 region, which, along with R, contains sequences that are critical for reverse transcriptio...onstructed the vector pFB, which contains only the sequences requiredfor virus production, in addition to an MCS. Because of limitations in insertsize due to pac...HSVision Molecular Beacon Detection Module Rapidly Detects Herpes Simplex Virus DNA
... the stem is formed by short complimentary sequences at opposite ends of the molecule. The ends of molecular beacons are labeled with a fluorophore and a quencher, respectively. When the molecular beacon is folded, the fluorophore and quencher are in close proximity, and fluores...Improved Vectors for PathDetect Trans-Reporting Systems
...er that contains the yeast GAL4 upstreamactivating sequences (UAS) (3) a positive control plasmid that is known...highly purified andextensively tested, and plasmid sequences are available upon request. Activity of the pFA2-cJun, pFA2-CREB and pFA2-Elk1 Plasmids Expression...Mammalian and Bacterial Expression in One Vector
...titutive mammalian expression and tandem consensus sequences for optimal translation initiation in both systems. The cloning site is compatible with the novel Seamless cloning technique. 3,4 The CBP-affinity tag is located downstream of the cloning site, allowing simple detection and purification of a protein...Sequence-Validated and Expression-Tested Human cDNA in a Dual Expression Vector
...lgarno 1 and mammalian Kozak 2 consensus sequences permit mRNA to be translated efficiently. T...nt in most cDNA. For example, inserting nucleotide sequences that encode GFP permits visualization of cellular proteins in mammalian cells. Alter...Stratagenes Human cDNA Microarrays: Perform Gene Expression Profiling and Discover New Genes
...croarrays provide more than 4,000 uniquehuman cDNA sequences Stratagene introduces the first in a ser...es. Each slide contains more than 4,000 human cDNA sequences spotted in a 44 x 96 grid. Discovery Clone Collection: A High Degree of Novelty The human ...Fast Isolation of Total RNA from Small Numbers of Cells
...ssion analysis kit specifically detects GAPDH mRNA sequences but not genomic DNA or pseudogene sequences. 9 Detecting as little as 1 pg of human total RNA or 0.01 pg of poly(A) + RNA is possible with this kit. 10 Signal was readily detected from one tenth of the RNA sample is...Cis-Reporting System Monitors Intracellular Calcium Mobilization
... is located N-terminal to the dbd.Although the dbd sequences of different isoforms of NFAT proteins have distin...minimizes transcription read through from upstream sequences and background luciferase expression. For all reporter plasmids of the PathDetect ci...Cis-Reporting System Monitors Intracellular Calcium Mobilization
... is located N-terminal to the dbd.Although the dbd sequences of different isoforms of NFAT proteins have distin...minimizes transcription read through from upstream sequences and background luciferase expression. For all reporter plasmids of the PathDetect ci...New PCR Primers for Human Diseases
...primer sets for detecting 13human diseases. The sequences of these primers have been published previouslyand are well characterized. With these tested primer sets, medical researcherscan use PCR technology to identify the presence of many human diseases. Molecular detection and genetic characterization of ......ults in the introduction of linear DNA sequences into the chromosomes of the fertilized eggs. If this transferred genetic material is integrated into one of the embryonic chromosomes, the animal will be born with a copy of this new information in every cell. The ......g 11.9 Primer sequences for long targets ... With the TripleMaster PCR System, DNA sequences with a biased nucleotide composition (GC-content >70 %; homopolymeric stretches), repeats ......r examining regulatory promoter and enhancer sequences as well as transcription factors. In most cases, the element under investigation (promoter, enhancer) is cloned together with the reporter gene in an expression vector, which is subsequently used to transfect cells. Quantification o......g 11.9 Primer sequences for long targets ... With the TripleMaster PCR System, DNA sequences with a biased nucleotide composition (GC-content >70 %; homopolymeric stretches), repeats ......r examining regulatory promoter and enhancer sequences as well as transcription factors. In most cases, the element under investigation (promoter, enhancer) is cloned together with the reporter gene in an expression vector, which is subsequently used to transfect cells. Quantification o...Amplification of Mouse cDNAs for Microarrays Using the Eppendorf MasterTaq Kit
...tting device or "microarrayer" to spot DNA sequences onto "derivatized" glass slides (1). These ...ntial expression of these particular mRNAs sequences in spleen and liver respectively, whereas yellow spots indicate similar levels of expression...Enhancing PCR* Efficiency with MasterTaq
... With these techniques, a set of candidate sequences is obtained with or without a known identity. All these potentially regulated sequences need further confirmation that they really have been expressed differentially. One way of ac...Single-cell RT-PCR Analysis of Paramecium Primaurelia with the Eppendorf cMaster RTplusPCR System
..., the temperature. The coding nucleic acid sequences of the immobilization antigens protein G and D of the P. primaurelia Strain 156 are known. Two pairs of primers were designed, each being specific for one of the genes. In this way, iAg-specific transcription activity could be...The use of TaqMaster PCR Enhancer
...-specific pattern that is determined by regulatory sequences present in the transgenic DNA. Consequently, transgenic mice represent an experimental system in which it is possible to study the consequences and/or pattern of expression (or lack thereof) of the new genetic information. ...Optimizing DNA Amplification Protocols using the Eppendorf Mastercycler
... therefore be avoided. Selection of primer sequences and the calculation of annealing temperatures ...Enzymatic amplification of -globin genomic sequences and restriction site analysis for diagnosis of sickle cell anemia. Science 230: 1350-1354. ...The use of the Mastercycler gradient for single-cell PCR and preimplantation diagnosis
...ne pH 4.9 if NaOH was used. Primer sequences and PCR programs are summarized in Table 1. The DMD sequence was amplified in a similar way to the CF sequence (Figure 3). For the detection of DF508 on conventional ethidiumbromide-stained gels, reaction mix was added to the ...... the amplification of specific beta-globin sequences and the subsequent restriction analysis for diagno... "Enzymatic amplification of beta-globin sequences and restriction site analysis for diagnosis of sickle cell anemia." Science, 230: 1350-135...The TripleMaster PCR System for three different amplifications
...ble only for the amplification of very short sequences (< 200 bp) see Fig. 2. Table 2: Final concentrations The new Eppendorf High Fidelity Buffer (short range) was used in the preparation of the TripleMaster PCR System. Fi...TripleMaster PCR System: Direct Comparison with Competitors
...on of the human tPA gene were used. Primer sequences for the 24 kb human tPA universal forward and the 24 kb reverse primers may be found in the Eppendorf TripleMaster PCR System manual . Reaction components from each manufacturer were used as follows in the concentrations pres...TripleMaster PCR SystemThe Ideal Choice for Long-Range PCR
...ion of standard PCR to amplify long target sequences is the high rate of incorporation of incorrect ...lution and photographed. Table 1: Primers sequences for long-range PCR targets. Primer ...Using the TripleMaster PCR System for Robust Amplification of GC-Rich DNA Templates
...ated with the amplification of GC-rich DNA sequences during PCR are the renaturation of the template ...ate sites. These properties of GC-rich DNA sequences lead to inefficient primer-template annealing and incomplete extension by the DNA Polymerase...QIAGEN Instrument Service insist on the best in service and support
...e list, GenBank accession numbers, and sequences and positions of the siRNA within the relevant gene (see Table 2). Table 2. Examples of siRNA target sequence information Gene symbol Accession ......s protocol is designed for amplification of target sequences that do not work well under standard conditi... We do not recommend combining GC-rich target sequences that either amplify poorly or not at all with target sequences that amplify easily in a multip......f mismatch. Avoid complementary sequences within a primer sequence and bet...ally mixtures of several primers whose sequences differ at the positions that correspond to the uncertainties in the template sequence. H...Successful PCR amplification and subcloning of a GC-rich DNA fragment
...tures that resist denaturation makes GC-rich sequences difficult to amplify by PCR. This article demonstrates how a "difficult" GC-rich sequence was successfully amplified using HotStarTaq DNA Polymerase and Q-Solution. The PCR product was then ligated into the pDrive Cloning Vector, wh...Cancer siRNA Oligo Set Version 1.0
...ng gene list, Genbank accession numbers, and sequences and positions of the siRNA within the sequence. Examples of siRNA target information Gene symbol Accession # Unigene Target ...Transfection Reagent Selector Kit Handbook
... approach is to link the presumed cis-acting sequences from the gene of interest to the coding sequ...ndirect way of measuring how such regulatory sequences influence gene expression. Reporter genes are also useful in serving as controls. Transfection...... overhangs on each strand (see Table " siRNA sequences used to target endogenous MAP2 mRNA in neuro...escribed previously ( 1 ). siRNA sequences used to target endogenous MAP2 mRNA in neuronal cells R...Structural Analysis of Glycosylated Peptides in Complex Mixtures with Ion Trap MSn
...igure 3. Typical theoretical oligosaccharide sequences for rt-PA peptide T45. Mass-to-charge ratios and charge states for the heterogeneous structures are listed in parentheses. The unglycosylated peptide was determined to have a molecular weight of 1131 amu. ......formation enabling the assignment of peptide sequences and identification of modified residues. We present a simple strategy enabling an unambiguous identification of the phosphorylated residue of a peptide analyzed by LC/MS/MS in a complex peptide mixture. Goal ......C RICH templates or templates with high repetitive sequences that could not be amplified with "conventional" polymerases or additives 1998: Introduction of the LightCycler the first system allowing the real-time on-line monitoring of an amplification reaction ...Other ContentsmyomachangeschangeschangeschangeschangeschangeschangeschangeschangeschangesmyopathymyopiamyopiamyopiaOther TagsUltraFitEpicEpicEpicSpectrumSpectrumKnifeOther Tagsreconsider 2came 2came 3came 4came 5came 6came 7came 8came 9came 10substance 2substance 3substance 4substance 5substance 6substance 7increasing 2increasing 3increasing 4increasing 5increasing 6increasing 7increasing 8increasing 9increasing 10area 2area 3area 4area 5area 6area 7area 8area 9area 10zone 2zone 3produce 2produce 3produce 4produce 5produce 6produce 7produce 8produce 9produce 10
(Date:8/20/2008)... genetic code of a simple saltwater creature could...enes function in humans and other species. , A s...reaks down the genetic code of Trichoplax , a sim...e in the world, even in the common household aquar...plax , genes that are also found in other animals ...
(Date:8/20/2008)...ressor gene controls numerous biological processes...th. But PTEN is frequently lost or mutated; in fac...us types of human cancer that PTEN has become one ...ssors. , Now, a study led by researchers at Beth...ard Medical School provides important new insights...
(Date:8/20/2008)...Mental Health (CAMH) is proud to announce a landma...ion for Innovation (CFI) into research that will p...nd prevention of mental illness and addiction to t...m the Large-Scale Institutional Endeavours compone... to leverage our scientific strengths, and transfo...
(Date:8/20/2008)...issue of the Journal of Lipid Research suggests ...the rising rate of diabetes, especially in childre...s the primary mechanism of inheritance; kids get h...r, scientists are just starting to understand addi...ming, which occurs when an insult during a critica...
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(Date:8/20/2008)...r-old Contestant Wins Trip to Little League Baseba... The National Spit Tobacco Education,Program (NSTE...st today,and encouraged young baseball players to...ddiction and the health risks of using tobacco pro...year,s slogan contest winner is,Joe Reck, a nine-y...
(Date:8/20/2008)...cently enacted Medicare Improvement Law immediatel...re Advantage insurance companies .../PRNewswire/ -- When the House and Senate,overrode...gislation,protecting Medicare beneficiaries, they ...e Advantage plans during one of the busiest months...
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Breaking Medicine News(10 mins):Health News:Slogan Contest Educates Young Baseball Players About the Dangers of Tobacco Use 2Health News:Medicare Advantage Plans Struggle to Comply With New Federal Law 2Health News:Longs Drug Stores Corporation Reports Second Quarter Results 2Health News:Longs Drug Stores Corporation Reports Second Quarter Results 3Health News:Longs Drug Stores Corporation Reports Second Quarter Results 4Health News:Longs Drug Stores Corporation Reports Second Quarter Results 5Health News:Longs Drug Stores Corporation Reports Second Quarter Results 6Health News:Longs Drug Stores Corporation Reports Second Quarter Results 7Health News:Longs Drug Stores Corporation Reports Second Quarter Results 8Health News:Longs Drug Stores Corporation Reports Second Quarter Results 9Health News:Longs Drug Stores Corporation Reports Second Quarter Results 10Health News:Longs Drug Stores Corporation Reports Second Quarter Results 11Health News:Longs Drug Stores Corporation Reports Second Quarter Results 12Health News:Longs Drug Stores Corporation Reports Second Quarter Results 13Health News:WXYZ-TV/Channel 7 is 'On Your Side' With Healthy Living For Kids; Free Immunizations for Children on Sunday, August 24 at Charles H. Wright Museum of African American History 2Health News:WXYZ-TV/Channel 7 is 'On Your Side' With Healthy Living For Kids; Free Immunizations for Children on Sunday, August 24 at Charles H. Wright Museum of African American History 3[0] Slogan Contest Educates Young Baseball Players About the Dangers of Tobacco Use[0] Medicare Advantage Plans Struggle to Comply With New Federal Law[0] Longs Drug Stores Corporation Reports Second Quarter Results[0] WXYZ-TV/Channel 7 is 'On Your Side' With Healthy Living For Kids; Free Immunizations for Children on Sunday, August 24 at Charles H. Wright Museum of African American History
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