We narrowed to 308 results for: reporter
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TypeBlog PostPublishedJuly 7, 2020, 1:15 p.m.... Figure 4: Reporters in Gene On include a mScarlet reporter, luciferase reporter, and neomycin resistance... editing. eGFP reporters for single base editing by APOBEC-Cas9 Though the ACE reporter quantifies APOBEC-Cas9...DSB in their previous reporter, the Harris Lab created a panel of eGFP reporters to quantify the on-target...editing reporters. Image from St. Martin et al., 2019. The Harris lab used these eGFP reporters to analyze...Transient reporter for editing enrichment (TREE) The Wang and Brafman lab developed a transient reporter for...cells segregated solely by a reporter of transfection, which only report the efficiency of plasmid delivery... functional reporter system to identify and enrich for base-editing activity The reporters mentioned above...
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Using Ultrasound to Image Bacteria in vivo: Acoustic Reporter Genes
TypeBlog PostPublishedJune 19, 2018, 1:38 p.m....real time, but each of these reporters has its drawbacks. Acoustic reporter genes (ARGs) overcome these...existing bacterial reporters Limited Depth of Signal/Imaging: Fluorescent reporters are not as well suited...fluorescent or bioluminescent reporters usually only detects the signal of the reporter and fail to pinpoint what...signal is coming from. Acoustic reporter genes (ARGs) Acoustic Reporter Genes (ARGs) are engineered gene...imaging tools The luciferase reporter gene The green fluorescent protein reporter gene Resources on Addgene.org... researchers have developed in vivo bacterial reporters that use fluorophores and luciferases to track...these limitations by using gas vesicle reporters that are detectable by an inexpensive and widely available... -
FlipGFP, a novel fluorescence protease reporter to study apoptosis
TypeBlog PostPublishedMay 21, 2019, 12:10 p.m....fluorescent executioner caspase reporters. Several apoptosis reporters have been developed, such as the...transfer (FRET)-based executioner caspase reporters. In these reporters, the FRET pair is linked by a caspase...FlipCherry: Red fluorescence protease reporter To add to the fluorogenic reporter toolkit, the Shu Lab also designed...novel fluorogenic reporter that has a large dynamic range and high brightness. This reporter achieves approximately...fluorescence emission. FRET and fluorescence based reporters however have several limitations. First, FRET ...study apoptosis in vivo scientists need a protease reporter that has a large dynamic range and high brightness...Shu Lab from UCSF designed an improved apoptosis reporter, ZipGFP, which utilized the self-assembling split... -
Measuring Kinase Activity at the Single-Cell Level with Kinase Translocation Reporters (KTRs)
TypeBlog PostPublishedJuly 26, 2018, 12:46 p.m....Problems with FRET kinase reporters Difficult to Multiplex: FRET reporters are comprised of two fluorescent...phosphatase-accessible. Kinase Translocation Reporters (KTRs) Kinase Translocation Reporters (KTRs) are genetically encoded...single-cell kinase activity is FRET, but FRET reporters are challenging to design and difficult to multiplex...alternative tool with their Kinase Translocation Reporters (KTRs) whose cellular localization serves as a...multiplexed together. Challenging to Design: FRET reporter activity depends on both the distance and the .... Slower Dephosphorylation Rates: FRET-based reporters can have slower dephosphorylation rates than KTRs...KTRs which is hypothesized to be caused by FRET reporters having phosphorylated conformations that are less... -
Fluorescent CRISPR Reporters: SRIRACCHA and GEmCherry2
TypeBlog PostPublishedMay 26, 2020, 1:15 p.m.... CRISPR reporters in the near future. SRIRACCHA (stable, but reversible, integrated reporter for assaying...histone)-GFP reporter into the genome of mammalian cells. Figure 1: The SRIRACCHA reporter construct...Find GEmCherry2 reporter plasmids at Addgene Overall SRIRACHA and GEmCherry2 reporter systems provide ...Recently scientists have created CRISPR fluorescent reporter assays to quantify targeted Cas9 cleavage, and...and non-homologous end joining (NHEJ). In these reporters, editing typically results in a change in the ...this blog we will focus on two fluorescent CRISPR reporter methods, SRIRACCHA and GEMCherry2. We will cover... the Piggybac transposon to stably integrate a reporter gene that contains a puromycin resistance gene... -
Hot Plasmids - June 2019 - Optogenetics, Acoustic Reporter Genes, microRNAs, and the CRISPR-Cas9 system CHIME
TypeBlog PostPublishedJune 6, 2019, 12:41 p.m....collection of reporter plasmids is amenable to Golden Gate assembly for turning the single-input reporters into...Neuron. 2019. PubMed PMID: 30704911. Acoustic reporter genes for noninvasive imaging of microbes in mammalian...contributed by Lukas Morgan Listen to the acoustic reporter gene podcast segment In recent years, scientists...heavily on fluorescent protein genes. These optical reporters have limited deep-tissue performance, and sometimes...Mikhail Shapiro’s lab has developed four acoustic reporter gene (ARG) plasmids to better monitor gene expression...with a resolution of less than 100 µm, the ARG reporters could be successfully visualized in vivo using...demonstrates engineered gas vesicles as the first reporter genes using ultrasound and provide a major benefit... -
Visualizing Translation at the Single Molecule Level
TypeBlog PostPublishedAug. 1, 2017, 1:15 p.m.... the 3’ UTR of the reporter mRNA via an MS2 coat protein (NLS-MS2-RFP) the reporter mRNA, which contains...proteins to allow translation to occur. For a TRICK reporter mRNA this displacement leads to a change in the...GFP protein that binds to the coding region of a reporter mRNA via a PP7 coat protein (NLS-PCP-GFP) an RFP...translation, both GFP and RFP are bound to the reporter, causing it to appear yellow. The act of translation...of the mRNA, leaving only a red FP bound to the reporter. Because it contains a nuclear localization signal...copies of the FP-coat protein fusions to their reporter mRNAs. Using translation inhibitors cycloheximide...is necessary for removal of GFP from the TRICK reporter. Delayed translation is known to be important ... -
The Addgene Antibody Data Hub
TypeBlog PostPublishedSept. 12, 2024, 1:15 p.m....Antibody Data Hub. Data reports Each antibody submission is used to create a data report, which contains experimental...that information in the report as well. Figure 3: An antibody data report, showing the results of ...methods section for the data report shown in Figure 3. At the end of the report, you’ll find a results section... the data report shown in Figure 3. The antibody is rated "Pass". Curating the data reports Just like... page of the Addgene Data Hub. Antibody data reports can be searched and sorted by gene/target, name...information is then formatted and published as a report with a DOI for citation. If you’re considering ... -
RANbodies: Reporter Nanobody Fusions
TypeBlog PostPublishedApril 10, 2018, 12:56 p.m....detectable by two different tags: a reporter and an HA tag. The reporter comes in three varieties: HRP, Spaghetti...independent of the reporter. The only caveat is that HA staining is weaker than reporter staining. Picking...Picking the right reporter for your RANBody While all three reporters stain cultured cells and tissue sections...Monster, and Chicken IgY Domain RANbody Reporters. Reporter Detection Method Uses Pros Cons Antigens...genetically tagged and instead are conjugated to reporters (i.e. fluorescent dyes, HRP, etc. ) after purification... is a RANbody? A RANbody is a fusion between a reporter and a nanobody that’s encoded on a plasmid. A ...sections, some reporters are better suited for particular applications. Read on to learn more about each... -
Fluorescent Proteins 101: Luciferase
TypeBlog PostPublishedJune 24, 2014, 3:59 p.m....Fluorecent Proteins in Nano Lanterns Reporter gene assays A reporter gene, such as luciferase, usually serves... is also the most commonly used bioluminescent reporter. This beetle emits a yellow-green light with a...several studies utilized luciferase as a genetic reporter in plant and mammalian cells. Luciferase assays...available to choose from) is now a common feature in reporter plasmids. Learn How Luciferase Can Be Used In...transcription within cells, where detection of the reporter protein or its enzymatic activity is measured....expression can be determined by detection of the reporter in a specific assay, which ideally would have .... Production of photons by this bioluminescent reporter occurs slower than fluorescent-based methods, ... -
Tips for Screening with Yeast Two Hybrid Systems
TypeBlog PostPublishedOct. 22, 2015, 2:30 p.m....the promoter of the reporter gene to activate expression (Figure 2c). The reporter gene then allows detection...genes as reporters and some that repress instead of activate transcription. The HIS3 reporter system (...sequence (UAS) of its target gene, in this case a reporter gene (e.g. luciferase or GFP), regardless of whether...co-expressed in a yeast strain that also contains a reporter gene cloned downstream of a promoter containing...referred to as the “bait”, Figure 2b) cannot activate reporter gene expression on its own, but, if the two POI...Gal4 activator, bacterial LexA DBD and the lacZ reporter gene (3, 4), there are now many variations, including...to have Y2H systems that avoid transcriptional reporters altogether; In the split-luciferase system, intein-mediated... -
Plasmids 101: Gene, enhancer, and promoter trapping
TypeBlog PostPublishedMay 2, 2023, 1 p.m....fundamentally the reporter construct monitors the expression of a nearby gene. The reporter gene serves as... screens to introduce reporters throughout an organism’s genome. These reporters have historically been...stimulate the expression of the reporter. The system is made up of a reporter gene flanked by a minimal promoter...promoter – all rely on the random integration of a reporter construct in close proximity to an endogenous ...example, if green fluorescent protein (GFP) was the reporter gene and green cells were observed in the kidneys... for with an uncharacterized gene. The actual reporter construct can be something phenotypic (such as...promoter. The system is composed of a promoter-less reporter which needs to integrate within an exon of a gene... -
Antibodies 101: The Four ELISAs and When to Use Them
TypeBlog PostPublishedJuly 25, 2024, 1:15 p.m....conjugated with a reporter or tag that can then be detected. Typically, the reporter is an enzyme such...dish and incubate it with a reporter conjugated primary antibody. The reporter reacts with a provided substrate...simplicity we will discuss the more common enzyme-based reporter methods. For enzymatic signal detection, users... sandwich and competitive. In a direct ELISA a reporter enzyme conjugated antibody binds to antigen coated...antibody first binds to the antigen and then a reporter enzyme conjugated secondary antibody binds to ...detection antibody can be directly conjugated with a reporter enzyme or a conjugated secondary antibody can ...). The sample (purple) is preincubated with a reporter enzyme labeled antibody and then added to the ... -
Finding nucleic acids with SHERLOCK and DETECTR
TypeBlog PostPublishedApril 16, 2020, 1 p.m.... to cleave and activate a reporter. The detectable signal from this reporter can be measured and quantified...and a Csm6 specific reporter (in the same fluorescent channel as the Cas13 reporter), they could significantly...method termed Specific High Sensitivity Enzymatic Reporter UnLOCKING (SHERLOCK and SHERLOCKv2) (Gootenberg... termed DNA Endonuclease Targeted CRISPR Trans Reporter (DETECTR) (Chen et al., 2018). Both SHERLOCK and... SHERLOCK- Specific High Sensitivity Enzymatic Reporter UnLOCKING Cas13 (C2c2) was first identified in...molecules. In SHERLOCK a quenched fluorescent ssRNA reporter is added to the reaction. Cleavage of the quenchable...amplification step in combination with the ssRNA reporter enables SHERLOCK to detect DNA or RNA with atomolar... -
The Many Reasons for Irreproducible Research- and a Vaccine to Eradicate It
TypeBlog PostPublishedJan. 30, 2020, 2:15 p.m.... registered reports, the gold standard for testing hypotheses Finally, Registered Reports combine all ...Reproducibility Project: Cancer Biology, where reported methods may not include how many tests were conducted...analysis code, and other materials. The use of reporting guidelines can also help remind us to include ...important times to measure that growth rate, you report the results of all four of those tests and not ...fifth time has unpredictably high rates, should be reported as a new discovery that deserves confirmation ...best practices of Open Science. With a Registered Report, peer review occurs before results are known. The...notoriously difficult to publish. With Registered Reports, the authors are able to make that clear distinction... -
Plasmids 101: FLEx Vectors
TypeBlog PostPublishedApril 28, 2016, 2:30 p.m....invert the reporter and GeneR fragment. Then the second recombination event would excise the reporter from ...Spatio-temporal expression of optogenetic reporters: Since most optogenetic reporters are delivered using AAV injection...transduced reporter gene. Generating a FLEx switch to control expression of an optogenetic reporter would ...Cre-dependent reporter expression, the potential for background expression of the reporter will be greatly...shown in Figure 2, the cassette should contain a reporter DNA sequence (such as GFP) in the sense orientation...the two pairs of target sites. By flanking the reporter with one loxP site and one lox511 site in the ...would ensure that the reporter remains silent until a cell or tissue-specific Cre is provided. Since the FLEx... -
Newly Updated AAV Data Hub!
TypeBlog PostPublishedFeb. 7, 2023, 2:15 p.m....searching the Data Hub's curated collection of reports (which you can filter by serotype, species, or ... significant time and money. For instance, this report shows that anterograde, monosynaptic connections...our AAV Data Hub Challenge recording to see two reports presented by the submitting scientists, learn more...replicates of your experiment* Functional data, if the report describes a functional vector such as a channelrhodopsin...injection site as well as the target region, if the report describes a retrograde serotype An abstract that...experiment clearly and concisely* *required for a DOI. Reports that meet our minimum standards (* above) will ... -
Technologies Enabled by NanoLuc® Luciferase
TypeBlog PostPublishedFeb. 8, 2018, 12:17 p.m....has dubbed these fusions LumiFluor Reporters. The LumiFluor reporter constructs were designed to be packaged... The researchers took a FRET reporter and adapted it into a BRET reporter by using NanoLuc® Luciferase...couples NLuc to fluorescent proteins to make better reporters and the second couples NLuc to fluorescent proteins...host cells. The fluorescent moiety of the BRET reporter was used to sort successfully infected/expressing...NanoLuc luciferase. Both GpNLuc and OgNLuc BRET reporters produced bright signals without exogenous excitation...near 600 nm – a clear demonstration of why a BRET reporter can improve deep tissue imaging. The constructs...NLuc) and set about to create an in vivo imaging reporter by linking two CyOFP1 molecules to NLuc (CyOFP1... -
Hot Plasmids September 2018 - Optogenetics, RNA Localization, Fluorescent Protein, and Base-editing Tools
TypeBlog PostPublishedSept. 18, 2018, 1:33 p.m....ACE) in real-time. The reporter constitutively expresses eGFP to indicate reporter abundance, and mCherry...and N177F mutations). Its excitation maximum is reported as 603 nm, while the emission maximum is 675 nm... ACE system: A versatile in vivo fluorescent reporter for rapid quantification of base-editing and Cas9...editing tools, the Reuben Harris lab has deposited a reporter plasmid that allows for rapid fluorescence-based... out a frame-shift mutation within the mCherry reporter. Quantification of editing efficiencies simply...containing rat APOBEC1. Finally, they show that the ACE reporter can also quantify Cas9 cleavage, thus exhibiting...editing activities. Click here to find the ACE reporter plasmid! Martin et al., Nucleic Acids Research... -
Making Career Development an Integral Part of the Science Training System
TypeBlog PostPublishedFeb. 25, 2021, 2:15 p.m....Career Development; a Stakeholder Workshop Report.” The report enabled the development of priorities for...Development Hub Workshop Attendees and their 2021 report. Image from pd|hub. To begin to tackle these...the findings were captured in this just released report “Enhancing Dissemination of Evidence-Based Models...programs. Please join us for the pd|hub Workshop Report Public Release Event scheduled for March 4th from...2:30-4:00 pm ET. You can learn more about the report's recommendations and join with us to discuss and...