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We narrowed to 111 results for: gfp fluorescence reporter

Showing: 41 - 60 of 111 results

  1. Empty Backbones - Choosing Your Perfect Plasmid Backbone

    Type
    Collection
    ...expression Fluorescent proteins (GFP, mCherry, etc) Localization pcDNA3-EGFP - C-terminal GFP for mammalian...expression vector GFP Varies pMKO.1 GFP - Retroviral shRNA expression pLenti CMV GFP DEST - ... expression (Gateway) pYIC - Bicistronic fluorescent reporter gene with cap-dependent 3Myc-EYFP-HA-His6...genome MSCV-IRES-GFP or pMSCV-IRES-mCherry FP - Mammalian retroviral gene expression with GFP or mCherry selectable...luciferase reporter Promoter Measure promoter strength pBV-Luc - Luciferase reporter plasmid... of EBFP2 blue fluorescent protein 35S-eGFP-nosT - Transient expression vector for eGFP in plants Find...fusing your protein to another protein, such as GFP, which allows you to visualize the cellular localization...

  2. Hot Plasmids and Viral Preps - September 2021

    Type
    Blog Post
    ...mCherry fluorescent protein followed by a stop codon and the coding sequence for a green fluorescent protein...representation of cell-free system, capable of producing fluorescent proteins and enzymes. Image from Moore et al....validated through monitoring the expression of fluorescent proteins and oxytetracycline enzymes. Next, this...plasmids use “Cas9-mediated adenosine transient reporter for editing enrichment”, or XMAS-TREE, to identify...protein (GFP). The success of the A-to-G conversion could be seen through the success of the change in expression... expression of GFP, for the stop codon should have changed from “TGA” to “TGG.”  After identification ...cytometry is used to sort populations by mCherry and GFP expression to check for ABE’s. b) Quantification ...

  3. Fluorescent Protein Travel Awards - Protein Variants, a Serotonin Sensor, and an Artificial Leaf Replica System

    Type
    Blog Post
    ... to use a suite of fluorescent reporters. Bacteria containing unstable fluorescent proteins under the ...to reduced eGFP fluorescence. Cells expressing the library are then sorted by fluorescence-activated cell...inoculation, no more fluorescent proteins are made. As the bacterial replicate, fluorescent proteins will be...colonizer, labelled with a constitutively fluorescent reporter can also be used to track how one population...growth rate using TIMER and an unstable fluorescent protein reporter under the control of promoters that ...Addgene Blog Visit the fluorescent protein topics page Get the basics on GFP Find microbiology blog posts...wild-type levels of abundance, the eGFP will be stable and fluoresce. But if the variant is unstable, it...

  4. 10 Great Guest Posts We're Thankful For

    Type
    Blog Post
    ...Top Three Ways Your Favorite Fluorescent Protein Oligomerizes in Cells GFP oligomerization can lead to ...Janelia Research Campus reminds us that, although fluorescent proteins are incredibly useful, chemical fluorophores...Lab at MIT developed plasmid based systems that report the order in which specific chemical inputs are...recombinase-based state machines could potentially be used to report upon and/or engineer “temporally ordered biochemical...derived from Zika virus and, upon binding, produce reporter proteins. These toehold switches can be used to...viral replication and transcription as well as reporter genes. To learn how you can use minigenomes in...to different pH’s and some that are fused to fluorescent proteins. She also showed that R-bodies can rupture...

  5. Technologies Enabled by NanoLuc® Luciferase

    Type
    Blog Post
    ...NLuc to fluorescent proteins to make better reporters and the second couples NLuc to fluorescent proteins...better biosensors. NanoLuc®-fluorescent protein fusions for imaging Fluorescent proteins are fantastic imaging...more penetrative orange fluorescent protein fusion (OgNLuc). Both fluorescent proteins can be excited ...has dubbed these fusions LumiFluor Reporters. The LumiFluor reporter constructs were designed to be packaged...for infection of host cells. The fluorescent moiety of the BRET reporter was used to sort successfully infected...set out to design a better fluorescent protein that could be co-imaged with GFP using the same wavelength...cyan, yellow, green, orange and red fluorescence. The paper reports a wide variety of applications of the...

  6. Hot Plasmids - June 2019 - Optogenetics, Acoustic Reporter Genes, microRNAs, and the CRISPR-Cas9 system CHIME

    Type
    Blog Post
    ... microbes rely heavily on fluorescent protein genes. These optical reporters have limited deep-tissue ... consists of a library of reporter plasmids, each containing two fluorescent proteins and four repeats...collection of reporter plasmids is amenable to Golden Gate assembly for turning the single-input reporters into...and a reporter for tracing the engineered cells in vivo, the non-immunogenic violet-excited GFP variant...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...Mikhail Shapiro’s lab has developed four acoustic reporter gene (ARG) plasmids to better monitor gene expression...

  7. Viral Vectors 101: Calcium Sensors

    Type
    Blog Post
    ...measurements, specifically fluorescent ones? Many of the available biosensors use a single GFP or CFP/YFP-derived...available. Detection methods Many calcium reporters use a single fluorescent protein (FP), requiring only a simple.... This sensor switches from green fluorescence to a red fluorescent state only by simultaneous (1) user-controlled...Genetically encoded calcium indicators (GECIs) are fluorescent proteins linked to calcium binding proteins (... (e.g., calmodulin or troponin C). Their fluorescent readouts are used to monitor calcium concentrations...GCaMP6 family of sensors are commonly used calcium reporters with different kinetic parameters. There are three... of the sensor, and (3) subsequent change in fluorescence only occurs at high calcium concentrations. ...

  8. Fluorescent Proteins 101: Fluorescent Protein Timers

    Type
    Blog Post
    ...time.Hallmarks of fluorescent protein timers When FP timers are first expressed, they predominantly fluoresce one ...independently) originally fluoresce green or blue and, when they mature, fluoresce red. The ratio of the ...., et al. "Monomeric fluorescent timers that change color from blue to red report on cellular trafficking...Addgene Blog Learn More About Fluorescent Protein Aggregation Catch Up On Your GFP Basics Get Advice on Choosing...Choosing Your Fluorescent Protein Resources at Addgene.org Find Fluorescent Protein Timers Browse All...All Fluorescent Protein Empty Backbones Check Out Our Fluorescent Protein Guide ...Even before fluorescent proteins (FPs) came into wide use, there were a variety of ways to monitor cell...

  9. Plasmids 101: Control Plasmids

    Type
    Blog Post
    ...plasmid that constitutively expresses a reporter protein (e.g., GFP or luciferase) that is either co-transfected...transfection was not successful due to the absence of GFP fluorescence from the living, viable cells. This result... well of your cells. Regardless, the amount of reporter protein activity correlates to both the amount...result in Figure 1, an internal control, such as the GFP-expressing Plasmid B, could demonstrate whether the...successfully and expressing the protein. For example, fluorescence microscopy images resulting from our experiment...produces the expected effect, which is green fluorescent cells (Figure 3).   Figure 3: Expression of Plasmid...

  10. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    ...when paired with appropriate fluorescent optics. Existing red fluorescent voltage indicators, however,...levels similar to that of a single AAV expressing GFP. The lab tested the base editors in vivo and achieved...31937940. Detection of neural activity using a red fluorescent genetically encoded voltage indicator Article...however, fall short compared to GFP-based sensors in terms of response and brightness. They also do not spectrally...voltage-sensitive inhibitory rhodopsin (Ace2N) with the red fluorescent protein (mScarlet) with either a seven or eight...manipulations when combined with existing green-fluorescent GEVIs and blue-light-sensitive channelrhodopsins...indicator plasmids at Addgene! Beck et al., Sci Report 2019. PubMed PMID: 31685893. A MoClo toolkit for...

  11. Lighting Up Cell Signaling with Photoswitchable Kinases

    Type
    Blog Post
    ... an ERK kinase translocation reporter with a mRuby2 fluorescent reporter (ERK KTR-mRuby2). The ERK KTR...with GFP Resources at Addgene.org Find KTR reporter plasmids Find photoactivatable fluorescent proteins... the active site. Dronpa also produces green fluorescence when exposed to 500 nm light.  Under 400 nm ...active, it phosphorylates the ERK KTR and red fluorescence localizes to the cytoplasm. When MEK1 and ERK...inactive, the ERK KTR isn’t phosphorylated and red fluorescence can be found in the nucleus. For testing kinase...Addgene Blog Learn More about Photoactivatable Fluorescent Proteins Control Protein Expression with Cre-lox...Photoswitchable Fluorescent Proteins ...

  12. Luciferase Plasmid Collection

    Type
    Collection
    ... 64034 pGL4Luc-RLuc Firefly, Renilla Dual reporter reporter vector allowing the study of biscistronic ...Multiple Multi-luciferase reporter vector including five transcriptional reporters for NF-kb, TGF-b, c-Myc...Resources Promega Plasmid Collection Fluorescent Proteins Guide Fluorescent Biosensor Plasmids Blog: Luminescence...Root 105533 pAAV.CMV.Luc.IRES.EGFP.SV40 Firefly CMV AAV expression of firefly luciferase and GFP James Wilson...for gene expression assays and bioluminescent reporters. Plasmid...Collection Empty Backbones Expression Constructs Reporter Constructs Other Highlights Additional Resources...-lives, making them useful as transcriptional reporters, but are less-than-ideal protein tags due to their...

  13. New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression

    Type
    Blog Post
    ...What are Acoustic Reporter Genes (ARGs)? Fluorescent and bioluminescent reporter genes are widely used... to study gene expression in cells. But these reporters have limited use in vivo because they are based...expression in vivo.  But what ultrasound lacked was reporter genes that could produce ultrasound contrast. ...our lab - the Shapiro Lab - developed Acoustic Reporter Genes (ARGs), which are sets of genes that, when...without signs of toxicity or burden relative to a fluorescent protein control. We also added the toxin-antitoxin...P2A-linked accessory genes gvpNJKFGWV marked with Emerald GFP. These plasmids can be used directly in transient...gating for the top quartile (or higher) of BFP and GFP producing cells. After FACS, return the cells to ...

  14. Flow Cytometry Readouts: Yes, No, and Everything in Between

    Type
    Blog Post
    ...live cells are GFP+. In this plot, with adjusted voltage, cells that did not receive the GFP protein are ...populations or a huge smear across your FSH vs reporter plot. In this post, I’ll walk you through how ...-case result. For example, you have introduced a GFP protein into your cells (visualized via the FITC ... to be clustered at signals below 103, while the GFP+ population cluster would be shifted to the right...samples and controls were processed the same way, the GFP- population should overlap with the negative control...control population (Figure 1). Based on where the GFP- population ends, you can draw a gate which selects...selects anything to the right of it, marking it as GFP+. Quantification for such graphs could simply be the...

  15. Hot Biosensors 2022: Year-End Roundup

    Type
    Blog Post
    ... blog Fluorescent Proteins 101: Fluorescent Biosensors Resources on Addgene.org Fluorescent protein... co-expressing a cytosolic ZtSH2 reporter, they observe fluorescence localizes to the plasma membrane ...2022.08.13.503850.  iGECInano NIR calcium reporter Near-infrared (NIR) fluorescent proteins promise better performance...area with lots of bright new plasmids is our Fluorescent Biosensors Collection — scientists are always...measure! Let’s take a look at some of the hottest fluorescent biosensors new to Addgene this year. Feel the...Hiroshi Hibino and colleagues devised a “Modular fluorescence unit fused with TRansmembrane region-to-IntrAcellular...region-to-IntrAcellular loop linkers” (MTRIA for short), where a fluorescent protein is inserted into one of the loop regions...

  16. Hot Plasmids: Fall 2025

    Type
    Blog Post
    ...fused to GFP forms fluorescent biomolecular condensates. A GFP-nanobody fused to the killswitch (GFP-nb–KS...protein of interest or targeted to a GFP fusion protein using an anti-GFP nanobody (Figure 4). Once incorporated...Grelet Lab developed MitoTRACER, a retroviral-based reporter system that permanently labels the cells receiving...switch to turn recipient cells from red to green fluorescence (Figure 2). Donor cells express iCre with a ...GECIs have been derived from just a few parent fluorescent proteins, PinkyCaMP is the first based on mScarlet...team could multiplex PinkyCaMP alongside green fluorescent and optogenetic tools. FRCaMPi uses an inverted...et al. (2025). A sensitive soma-localized red fluorescent calcium indicator for in vivo imaging of neuronal...

  17. Announcing the Winners of the 2021 Michael Davidson and Roger Tsien Commemorative Conference Awards

    Type
    Blog Post
    ...third-generation intensiometric glutamate sensing fluorescent reporter (iGluSnFR3) to study glutamate, a signaling...can be transferred to the roGFP2 cysteine thiols and change its fluorescence properties. The biosensor... for awards to early career scientists using fluorescent proteins in their research. These awards help...roles in the development and dissemination of fluorescent protein tools. This year, we’ve made some changes...research.   Abhi Aggarwal: Glutamate sensing reporters Abhi Aggarwal is a postbaccalaureate research ...disease,” says Aggarwal. This biosensor changes fluorescence based on the release of glutamate from neurons...line, Hep3B. From left to right: Mitotracker Red, GFP for the biosensor, Hoechst, and overlay).   ...

  18. Save Time with Transient Plant Leaf Transformations

    Type
    Blog Post
    ... transformation. Choose good reporter genes There are many great reporter genes available and which one...pSB166 - pL2_pSB90_tMAS::rLUC-I::pMAS. Fluorescent proteins (FP, e.g. GFP) can be used in many ways. Often ...Evaluation and comparison of the GUS, LUC and GFP reporter system for gene expression studies in plants...the T-DNA region with our gene of interest or a reporter gene so that the transformation and gene expression...different treatments on transformation success. Some reporter gene examples are below. The GUS gene (β-glucuronidase...histochemical GUS-staining is a very useful visual reporter (Figure 2). The GUS enzyme cleaves a substrate...transformation success. Luciferases are great quantitative reporters and use a substrate to produce bioluminescence...

  19. Brain Initiative Collection

    Type
    Collection
    ...pAAV-CAG-FLEX-Archon1-KGC-EGFP-ER2 AAV production plasmid encoding for Archon1 fluorescent voltage reporter, Cre-dependent...Fishell 83895-AAV1 pAAV-hDlx-Flex-GFP-Fishell_6 Cre recombinase-dependent GFP expression in forebrain GABA-...Fishell 83895-AAV2 pAAV-hDlx-Flex-GFP-Fishell_6 Cre recombinase-dependent GFP expression in forebrain GABA-...Fishell 83895-AAV8 pAAV-hDlx-Flex-GFP-Fishell_6 Cre recombinase-dependent GFP expression in forebrain GABA-...Fishell 83895-AAV9 pAAV-hDlx-Flex-GFP-Fishell_6 Cre recombinase-dependent GFP expression in forebrain GABA-...Fishell 83895-AAVrg pAAV-hDlx-Flex-GFP-Fishell_6 Cre recombinase-dependent GFP expression in forebrain GABA-...element Gordon Fishell 83900-AAV1 pAAV-mDlx-GFP-Fishell-1 GFP expression in forebrain GABA-ergic interneurons...

  20. A New Optogenetic Tool Based on AraC Controls Gene Expression with Blue Light

    Type
    Blog Post
    ...will not produce the fluorescent protein while areas that are exposed will fluoresce. With these images,...the DNA-binding domain of AraC using a mCherry reporter downstream of a PBAD promoter. While none of the...contains BLADE, the PBAD promoter, and a mCherry reporter downstream of the PBAD promoter. To use this plasmid...strain transformed with pBLADE expressing superfolder GFP instead of mCherry under the PBAD promoter. They ...
Showing: 41 - 60 of 111 results