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New Microarray Labeling Kit for Preparing cDNA Probes
...bes are then hybridized to arrays, theunhybridized probe is removed, and the hybridization is detected. Dif...ol Microarray to determinethe effectiveness of the probe labeling and the specificity and sensitivity ofthe hybridization reactions. Target DNA on Control M...Low Abundance cDNA Cloned Using Stratagenes Human Universal cDNA Library
...55) was labeled with 32 P-CTP and used as probe to screen the four HUCL master membranes. 7 ...utoradiography. After adequate exposure, the first probe was stripped, and the HUCL membranes were reprobed with the 3' end (N77737) EST cDNA...Brilliant Core Reagent Kits for QPCR and QRT-PCR
...nt kits that can be used withmost QPCR and QRT-PCR probe systems. Real-Time Assessments with Versatile Opt...of the human b -actin gene using a TaqMan probe (Figure 1). Three concentrations (100, 1, and 0.01 ng) of human genomic DNA were amp...Control RT-PCR Primers for Human Gene Transcripts with Varying Abundance
...lysis of libraries can be conducted using standard probe technologies. Generating cDNA from RNA is one of ...nd cDNA length. To examine these issues, RT-PCR or probe signalsderived from traditional housekeeping genes are evaluated. Unfortunately,transcripts for hous...Versatile Vectors for Ponasterone A- Inducible Control of Gene Expression in Mammalian Cells
...n be readily produced in vitro to use as a probe in Northern or dot blots, in situ hybridization, or RNase protection (data not shown). To directly detect protein expression without the need for protein-specificantibody, the eight amino acid FLAG tag is positioned for C-terminal fusion tot...Genotyping Single Nucleotide Polymorphisms with Molecular Beacons
...withinthe amplified product. When the unhybridized probe is in solution, it adopts ahairpin structure that ...complementary homozygous targets A/A of 29 Ct with probe A or G/G of 28 Ctwith probe G. The perfectly matched homozygotes (A/A or G/G) became mismatchedwith ...Detecting Gastrin-Releasing Peptide Receptor by in situ PCR on Archived Tissue
... ethanols asdescribed. Hybridization. The probe is readily generated by PCR using digoxigeninlabeled primers. In situ PCR amplification products are then detected by hybridization to digoxigeninlabeled DNA probes9 in hybridization buffer (2x SSC, 50% formamide, 7.5% dextran...Human Universal cDNA Library Array I
...nt radiolabeled oligonucleotides. 5 One probe was designed to hybridize to the beginning of the 5 translated region (ATG included) while the other corresponded to the end of the 3 untranslated region ( Figure 5 and Figure 6 ). The percentage of full-length cDNAs...A New PCR-based Mycoplasma Detection Method
...ycoplasma infection in cell linesrequired unwieldy probe technologies and time-consuming cell culture methodsusing indicator cells and suicide substrates. 1 Subsequently,Stratagene introduced the first PCR-based method for mycoplasma detection. 2 While other companies have since introduced PCR-based metho...RT-PCR Primer Sets for Human and Mouse Mismatch Repair Genes
...y a region ofthe featured genes for later use as a probe in other analytical techniques, suchas Northern blot hybridization, nuclease protection assays or in situhybridization. In addition, these probes might be useful for screening cDNAlibraries for gene homologues in related species. Because the mismatch...High-Level Protein Expression, One-Column Purification, and FLAG Epitope Tagging in E. coli
...entsusing eukaryotic cell extracts, or who wish to probe lambda cDNA expressionlibraries for interacting pr...ns can be readily labeled with isotope and used to probe protein-proteininteractions. 2 Despite the advantages of using affinity tags for protein purificat...Stable HeLa Luciferase Reporter Cell Lines Expressing GAL4 Fusion Transactivators
...tivation domain of CREB, Elk1, or c-Jun is used to probe the activity ofPKA, MAPK, and JNK, respectively. 4-7,9,10 These fusion trans-activatorsbind to the promoter in the pFR-Luc reporter plasmid, which contains five directrepeats of the GAL4-binding element and controls luciferase expression. 4 Either d...Fluorescence-Based Single-Tube Assays to Rapidly Detect Human Gene Mutations
...ure. The loop portion of the molecule is a probe sequence, which is complementary to a target seque...a quencher at the other end. When the unhybridized probe is in solution, it adopts a hairpin structure that brings the fluorophore and quencher ...Tools for Detecting MSH2 Expression in Chinese Hamster Ovary Cells
...me-It II random primer labeling kit,NucTrap probe purification columns,** QuikHyb hybridization sol...nd swiftly removed from these probes using NucTrap probe purificationcolumns. When hybridization of these probes is performed in QuikHyb solution,the hybridi...Basic Plasmid DNA Isolation Protocol
...mid micropreps: direct insert screening, probe synthesis and sequencing within one day. Nucleic Acids Res. 20:625. Birnboim, H.C. and Doly, J. (1979) A rapid alkaline extraction procedure for screening recombinant plasmid DNA. Nucl. Acids Res. 7:1513-1522. ...Basic Plasmid DNA Isolation Protocol
...mid micropreps: direct insert screening, probe synthesis and sequencing within one day. Nucleic Acids Res. 20:625. Birnboim, H.C. and Doly, J. (1979) A rapid alkaline extraction procedure for screening recombinant plasmid DNA. Nucl. Acids Res. 7:1513-1522. ......tion process. In combination with an exact probe positioning this results in optimal signal and sensitivity yields and low background. This is of particular importance because most of the genes have been ascertained to be regulated only to a minor extent. Refer...Amplification of Mouse cDNAs for Microarrays Using the Eppendorf MasterTaq Kit
...ed with 2x SSPE, 0.2% SDS at 55C. The cDNA probe was lyophilized and redissolved in ~32 l Microarray Hybridization Buffer Version 2 (APBiotech, UK). The solution was added to the microarray and a coverslip was applied. Hybridization was allowed to proceed for 1418 hours at 4...Enhancing PCR* Efficiency with MasterTaq
...R is positive, the amplicon can be used as probe for detecting the corresponding mRNA on Northern blots or for semi-quantitative RT-PCR. As many sequences are low-copy genes and thus difficult to detect on Northern blots, RT-PCR is preferred in these cases. The results from ...Single-cell RT-PCR Analysis of Paramecium Primaurelia with the Eppendorf cMaster RTplusPCR System
...ed at 37C for 10 minutes (hybridization of probe and mRNA). The solution was then transferred into streptavidin-coated micro test tubes, and the incubation was repeated. As a result, the biotin-labeled mRNA/probe hybrids bind tightly to the micro test tube, minimizing losses......d hybridized against a DIG-labeled oligonucleotide probe of the 5' end of the original cDNA (Fig. 2...ing an isoamylase-specific oligonucleotide probe was carried out to determine which of these products are specific, i.e. which contain an iso......d hybridized against a DIG-labeled oligonucleotide probe of the 5' end of the original cDNA (Fig. 2...ing an isoamylase-specific oligonucleotide probe was carried out to determine which of these products are specific, i.e. which contain an iso...... recommended, pre-optimized primer and probe concentrations given in the protocols. This greatly minimizes the need to adjust reaction parameters. Furthermore, a balanced combination of KCl and (NH4)2 SO4 in the specially formulated buffer provides a great...Structural Analysis of Glycosylated Peptides in Complex Mixtures with Ion Trap MSn
...mass spectrometer fitted with orthogonal ESI probe (positive ion mode) Ion capillary tube temp: 140 C Needle voltage: +3.8 kV Sheath gas: 9 units Normalized Collision Energy: 65% Dynamic Exclusion duration: 3 min Surveyor Autosampler with Surveyor MS Pump: 120 L/...Structural Determination of Flavonoids Using MSn
... Thermo Finnigan LCQ fitted with ESI probe Infusion: 3 L/min using integrated syringe pump Capillary temp: 150 C Needle voltage: +4.2 kV Sheath gas: 45 units Auxiliary gas flow: 10 units Results Apiginin (Figure 1) (mw 270.2) is a bas...Enhancing Ruggedness and Full-Scan MS Sensitivity Using Ion Sweep Technology
... ion transfer tube. Solvent clusters formed in the probe region interact with the nitrogen gas and dissociate before they enter the ion transfer tube. Furthermore, a small amount of the Ion Sweep nitrogen gas is drawn into the ion source, where the gas plays an important role in eli...RNase Protection Assay (RPA) Using DIG-Labeled RNA Probes
...r DNA sequences. To generate a probe for use in this assay, it is necessaryto subclone ...e hybridization in solutionof a labeled anti-sense probe RNA with the RNApool being tested. Complementary portions of labeledprobe and mRNA from the pool to ...... Preparation of DIG-labeled RNA probe The DNA template correspondin...Using 1 g of gel-purifiedtemplate, DIG-labeled RNA probe is produced by in vitrotranscription according to the instructions of the DIGRNA Labeling Kit (Roche...Detection of mRNAs on Cryosections of the Cardiovascular System Using DIG-Labeled RNA Probes
..., adjusting theproteinase K digest is preferred to probe denaturation. Theamount of DIG-labeling was determined by dot blot. It isimportant to determine the exact concentration of theRNA probes to avoid background after hybridization. Tissue preparation Tissue was frozen as soo......amic behavior. Furthermore, thein silico check for probe specificity is largely related tothe transcriptome...wo different approaches. In the first approach,one probe per gene is offered with in silico and sometimesexperimental validation. In the other approach, diff...The DIG System Nonradioactive and Highly Sensitive Detection of Nucleic Acids
... If only a small amount of template for probe synthesis isavailable, or if the template DNA is n... be more convenient. If an RNA probe is to be used, the DIGNorthern Starter Kit is recommended.This kit uses linearized DNA as a template...Rapid detection of genomic duplications and deletions using the Agilent 2100 bioanalyzer
...plificationusing a single pair ofprimers following probe hybridizationto genomic DNA. The differencelies in... control autosomal probes werealso included in the probe mix. MLPA Full details regarding the MLPAprotocol are in reference 2,and on the webs...Determining the Signal-to-Noise Ratio and Optimal Photomultiplier gain setting in the GenePix 4000B
... sources include biochemical factors such as probe purity and hybridization uniformity, as well as instrument factors such as stray photons and electronic noise inherent to all PMTs. Axon Instruments core expertise is in ultra-low-noise signal amplification, and the Gene......ples and decreasing the efficiency of cDNA probe synthesis. Thus the presence of ribosomal RNA coul...hnology for increasing the yield of useful probe and can greatly lower the starting amount of RNA required to produce biologically relevant s......eal-time RT-PCR using primers and a TaqMan probe for GAPDH (A.) or hTERT (B.) in an ABI 7700 Sequence Detector. Data from 9 samples, each indicated by a different color line, are shown here. The average cycle threshold (Ct) values for all of the samples are shown in Figure 3...Bacterial Whole Genome Array Analysis
...licate GeneChips (i.e. same RNA, different probe labeling used for replicates). Panel A compares replicate arrays using 10 g RiboPure-Bacteria isolated E. coli total RNA with the standard Affymetrix labeling and hybridization protocol. Panel B compares replicate arrays uti...Cells-to-cDNA II Using FACS Sorted Cells
...R was performed in 20 l using a TaqMan probe for hGUS. Six replicates were run for each cell concentration. A representative amplification plot is shown in Figure 1. Results show quantitative amplification from 1-1000 cells, demonstrating a 3-log dynamic rang......llowed by one-step real-time RT-PCR using a TaqMan probe and primers for GAPDH. The robot removed the growth media, washed the cells with PBS, and then added 100 l of Cell Lysis Buffer. The plate was moved to a heating tile, which brought the samples to 75C f...... for gene-specific primers and fluorogenic probe or dye) in a single convenient order. Figure 4. MessageSensor MMLV RT Retains Full Activity at 50C. Reverse Transcription reactions were performed at 42C or 50C for 15 min, followed by real-time PCR using ...Measuring Gene Silencing Effects by RT-PCR Without RNA Isolation
...ep, real-time RT-PCR with TaqMan probes. A probe for 18S rRNA was used to normalize the data from each experiment. Experiments were performed in replicates of eight. As can be seen from Figure 1, gene silencing is readily detectable by real time RT-PCR and the data generated...Designing a Successful qRT-PCR Experiment
...on conditions. Choose the TaqMan probe sequence prior to the primers since probe design is key for successful detection (there are some programs that will ......ivity Because hybridization of probe to target in solution is more sensitive ... with a 29 nt high specific activity radiolabeled probe (5 x 10 4 cpm) and hybridization buffer. After heat denaturation, each mixture was ...Detecting Attomole Amounts of Small RNA
... incubated at 42C to hybridize the probe to its complementary RNA molecules. Unhybridized RNA species and excess RNA probe is then removed by a rapid ribonuclease digestion step. The hybr...New Tools for Small RNA Analysis
...t RNase protection. Short radiolabeled RNA probe is simply mixed with total RNA in an optim... Vana miRNA Detection Kit and a 5' end-labeled RNA probe prepared with the mir Vana Probe & Marker kit. Gel was exposed for 5 hours. ...Combat RNase Contamination in the Lab
... Ribonuclease Inhibitor (RI). A 32 P-labeled RNA probe was incubated for 30 minutes at 37C in the presence of the indicated nucleases and either SUPERaseIn or RI. Both the SUPERaseIn and the RI were added at a concentration of 1 U/l. The most widely used ......I Reproducibility. Signal values for each probe set were converted from .CEL files into a summary ...of expression values measured for each of the 8793 probe sets (genes). Expression values were estimated using Robust Multi-array Average (RMA) ...Is RNA Amplification Necessary for Microarrays?
... comparing genes identified with probe prepared by both amplified and unamplified RNA, three categories were created: "genes common in amplified and unamplified RNA", "genes unique to amplified RNA", and "genes unique to unamplified RN...miRNA Expression in White Blood Cells
...re analyzed as described in Figure 1 except that a probe specific for miR-22 miRNA was used in the solution hybridization assay. The RNA samples were then analyzed for the presence of several small RNAs using Northern blot or the mir Va...Confirming RNAi Effects Is Now Easier Than Ever
... of time if optimized primer and probe sets are used. For real-t...ve collection of premade TaqMan primer and probe sets for quantitative, real-time PCR gene expression studies. They are considered the gold s...Perform Microarray Analysis with Limited Bacterial RNA
...i antisense whole genome arrays (all 7312 probe sets are shown). Either E. coli total RNA ...array Suite, Version 5 with scaling to all probe sets and a target signal value of 500. 2, 3, 10 and 30-fold change lines are represented. ...Isolate It All: siRNA miRNA Total RNA Native Protein
...as detected by Northern blot with an antisense RNA probe 5' labeled and purified with the mir Vana Probe & Marker Kit (Ambion). Analyze siRNA, mRNA, and Protein Expression in RNAi Experiments Researchers often need to assess the specificity ...Isolation to Functional Analyses
... Attomole Amounts of Small RNA [12]. To simplify probe synthesis for small RNA analysis, Ambion has also introduced the mir Vana Probe & Marker Kit to prepare 5' end labeled probes and the mir Vana miRNA Probe Construction Kit to p...Novel MicroRNA Array Technology for Sensitive miRNA Profiling
...ation Involves a comprehensive probe set corresponding to all known human and ...e control target matches control probe in the mir Vana miRNA Probe Set mir Vana miRNA Probe Set ...pSilencer 4.1-CMV: Versatile Vectors for Expression of siRNA, miRNA, and mRNA
...y solution hybridization using a probe specific for miR-124. Expression of this brain-specific miRNA was detected only in cells transfected with the CMV miR-124 vector (Figure 2B). Like Chen et al. [3], we found that native genomic seq...Isolate Total RNA and Protein From the Same Sample
...ir Vana miRNA Detection Kit (Ambion) and a probe specific for miR-16 prepared by in vitro transcrip...d analyzed by Northern blot with a 5S rRNA probe 5' labeled and purified with the mir Vana Probe & Marker Kit (Ambion). GAPDH protein levels......h the mir Vana miRNA Detection Kit (Ambion) and a probe specific for miR-16 prepared by in vitro transcription with the mir Vana Probe Construction Kit (Ambion). The gel was exposed for 6 h at -80C. You Can Also Enrich the Small RNA Fraction The mir Van...MicroRNA Profiling by Array Analysis Reveals Critical BioMarkers
...with 10 7 cpm of a radiolabeled probe complementary to let-7c prepared... The process was repeated using a radiolabeled probe for 5S or 5.8S rRNA as a loading control. Solution hybridizati...Fast, Accurate Assessment of siRNA-induced Gene Silencing
...nuclease activity of Taq polymerase to degrade the probe and separate the fluorophore fro... one-step or two-step RT-PCR and both TaqMan probe and SYBR Green detection technologies. The Cells-to-Signal Kit contains ...High Throughput RNA Isolation for High Performance Microarray Analysis
...metrix GeneChip Mouse Genome 430A 2.0 Array (total probe set=22,000). (A) Scatter plot of normalized signal intensities of two mouse kidney total RNA samples purified using MagMAX-96 for Microarrays; correlation between samples is 0.999. (B) Scatter plot of normalized si......DH, cyclophilin, and 28S rRNA were used to probe the Northerns. The specific activity of the 28S rRNA probe was approximately 100,000-fold lower than the mRNA-specific probes. (B) GAPDH protein levels...Other ContentslavagelavagelavagelavagecystcystcystganglionganglionganglionganglionunionunionunionunionservicesservicesservicesservicesservicesservicesservicesservicesserviceswelfarewelfarehospitalhospitalhospitalhospitalhospitalhospitalhospitalhospitalOther Tags
(Date:7/24/2008)...rom Novel Structure Proteins (NSP), a new family o...stitute for Cancer Research and Molecular Medicine...hnology, could be involved in apoptosis or program...rs ago by Nianli Sang, then a doctoral student at ...homas Jefferson University and the Cardeza Foundat...
(Date:7/24/2008)...ppression may have reduced carbon storage in weste... the early twentieth century has caused a widespre...s, and the density of stems growing on trees withi... thicker forests and are thought to account for mu...ify changes in aboveground biomass, Fellows and Go...
(Date:7/23/2008)...udy of parasites living in three estuaries on the ...esearchers have determined that biomass of these p...ses by more than 20 times. , Their findings, whi...l implications, appear in this week,s issue of the...ving matter that exists in a given habitat. It is ...
(Date:7/23/2008)...ara, Calif.) - In a study of free-living and paras...st of California and Baja California, a team of re... Barbara, the United States Geological Survey, and... biomass in those habitats exceeds that of top pre...dings, which could have significant biomedical and...
Breaking Biology News(10 mins):Novel structure proteins could play a role in apoptosis 2AGU journal highlights -- July 23, 2008 2AGU journal highlights -- July 23, 2008 3AGU journal highlights -- July 23, 2008 4AGU journal highlights -- July 23, 2008 5AGU journal highlights -- July 23, 2008 6AGU journal highlights -- July 23, 2008 7AGU journal highlights -- July 23, 2008 8Parasites outweigh predators in Pacific Coast estuaries 2Parasites outweigh predators in Pacific Coast estuaries 3Study shows parasites outweigh predators 2Study shows parasites outweigh predators 3Brains timing linked with timescales of the natural visual world 272 1Brains timing linked with timescales of the natural visual world 272 2Childrens Memorial Hospital in Chicago Announces 24100 Million Gift from Philanthropist Ann Lurie 597 1Childrens Memorial Hospital in Chicago Announces 24100 Million Gift from Philanthropist Ann Lurie 597 2Childrens Memorial Hospital in Chicago Announces 24100 Million Gift from Philanthropist Ann Lurie 597 3Medical Malpractice at Sea 592 1Medical Malpractice at Sea 592 2New study shows greenback cutthroat trout involved in recovery effort misidentified 271 1New study shows greenback cutthroat trout involved in recovery effort misidentified 271 2New study shows greenback cutthroat trout involved in recovery effort misidentified 271 3(Date:7/25/2008)...K, Ill. July 25, 2008 The American Society for ...lines on the role of endoscopy in the bariatric su... the United States and the success in surgical int...of weight-loss surgeries performed in the U.S., fr...es discuss endoscopy in the preoperative patient a...
(Date:7/25/2008)...nCotter Releases Results of Fourth Annual Physicia...ey, DETROIT, July 25 /PRNewswire/ -- Sullivan, Co... annual survey of physician on-call pay rates and,...eport. The survey report,with data from 132 healt...,on-call pay practices and rates paid for 33 physi...
(Date:7/25/2008)...Kesson Corporation Executive, Robert J. Reilly, Jo... -- Aethon Inc.,( http://www.aethon.com ), the lea...ply chain logistics, today announced that Robert J...sident -- Chief Financial Officer., Reilly, who w... for,McKesson Corporation,s Specialty Pharmacy Div...
(Date:7/25/2008)...AD, Calif., July 25 /PRNewswire/ -- AutoGenomics, ...ion statement on Form S-1 with the,Securities and ...al public,offering of shares of its common stock. ..., all of which are expected to be offered by,AutoG...g, have not yet been,determined., J.P. Morgan Sec...
Breaking Medicine News(10 mins):Health News:ASGE issues guidelines on the role of endoscopy in the bariatric surgery patient 2Health News:ASGE issues guidelines on the role of endoscopy in the bariatric surgery patient 3Health News:Hospital Expenditures for Physician On-Call Pay Rates Nearly Double 2Health News:Hospital Expenditures for Physician On-Call Pay Rates Nearly Double 3Health News:Aethon, Inc. Names New Chief Financial Officer 2Health News:AutoGenomics, Inc. Files Registration Statement for Initial Public Offering 2CartridgesDepletion3100AvantMALDITOFAveragingSpecificationsCYP2C9CYP3A4PhenoxypropionicPhenoxyaceticDNFFlavonoidDinitroRitanserin
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