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Showing: 61 - 80 of 268 results
  1. CRISPR 101: Mammalian Expression Systems and Delivery Methods

    Type
    Blog Post
    ... create a fusion with a reporter protein such as GFP? All of these outcomes can be most effectively achieved...typically used for gRNA. May contain reporter gene (e.g. GFP) to identify and enrich positive cells or a selection...transfer vectors. May contain reporter gene (e.g. GFP) to identify and enrich positive cells. Likely contains...repair by non-homologous end joining (NHEJ) or HDR. EGFP validation of sgRNAs: Can evaluate component delivery...efficacy by cloning in genome target sequence into EGFP reporter. Target DNA reporter system: Can evaluate...
  2. Fluorescent Tagging of Endogenous Genes with SapTrap

    Type
    Blog Post
    ...Since the discovery of GFP over 50 years ago, the growing spectrum of fluorescent proteins (FPs) has ...repair pathway, a new user-defined DNA sequence (like GFP) can be inserted at the DSB. CRISPR has allowed scientists...toolkit offers C- and N-terminal tagging vectors (eg GFP, Flag, YFP, Strep, TEV-V5) with either blasticidin...NanoLuc), fluorescent proteins (TagGFP2, TagBFP, TagRFP, and T2A-TurboGFP-PEST), and small epitope tags ...library containing several types of fluorescent (EGFP, tagRFP, mCherry) and nonfluorescent (Halo, SNAP...
  3. New Viral Vectors - Fall 2024

    Type
    Blog Post
    ...viral prep pAAV-CAG-GFP AAV9-X1.1 Controls Edward Boyden New serotype pAAV-hSyn-EGFP AAV PHP.eB Controls...AAV9. You can now target these cells with AAV-CAG-GFP packaged in AAV9-X1.1!  We also have eight new AAV-PHP.eB...Controls Jonathan Ting New viral prep pAAV-CaMKIIa-EGFP AAV1 Controls Bryan Roth New serotype pAAV-Ef1a-DIO...
  4. Hot Plasmids - November 2023

    Type
    Blog Post
    ...transcriptional activation events as bands of induced GFP-iPAK4 expressed under promoters like the tet-responsive...fluorescent signal in the ticker tape from cFos::GFP-iPAK4 within an hour. Analyzing the ticker tape images...to red at 12 h, and PMA activation induces cFos::GFP-iPAK4 at 3 or 6 h. Scale bar 5 µm. Images adapted...
  5. Plasmids 101: Control Plasmids

    Type
    Blog Post
    ...constitutively expresses a reporter protein (e.g., GFP or luciferase) that is either co-transfected with...result in Figure 1, an internal control, such as the GFP-expressing Plasmid B, could demonstrate whether the...transfection was not successful due to the absence of GFP fluorescence from the living, viable cells. This ...
  6. Plasmids 101: Gene, enhancer, and promoter trapping

    Type
    Blog Post
    ... way. For example, if green fluorescent protein (GFP) was the reporter gene and green cells were observed...developmental stage you could infer that the gene which GFP was monitoring was being expressed in the same pattern...
  7. Bright Monomeric Fluorescent Proteins: mNeonGreen, mTFP1, and mWasabi

    Type
    Blog Post
    ...substitutions to LanYFP and the addition of the enhanced GFP (EGFP)-type termini. mNeonGreen was reported as the ... to 3 times brighter than the most commonly used GFPs and YFPs. Its excitation maxima is at 506 nm and...protein. In vitro, mWasabi is 1.6-fold brighter than EGFP and is photostable. It also has narrow excitation...it does not significantly excite at 400 nm while EGFP does. Find mWasabi plasmids here! One of the most...
  8. CRISPR/Cas9 FAQs Answered!

    Type
    Blog Post
    ...experiment, consider co-transfecting with GFP. This allows you to sort for GFP-positive cells and to enrich for...
  9. Choosing Your Fluorescent Proteins for Multi-Color Imaging

    Type
    Blog Post
    ...imaging with this set are mTagBFP2, EGFP or one of the improved GFP variants, mRuby2 or TagRFP-T, and an... / em 527 nm) can be imaged together but CFP and GFP (ex 488 nm / em 507 nm) show some crosstalk between...mammalian cells, one of the improved folding variants of EGFP like mEmerald or Clover is probably best; mNeonGreen...and have reported brightness measurements. Here, EGFP outperforms the improved folding variants, presumably...
  10. Fluorescent Proteins 101: Luciferase

    Type
    Blog Post
    ...such as excitation of Green Fluorescent Protein (GFP) because of the nature of the chemical reaction compared...to using a high-intensity laser to rapidly excite GFP. As a result of the different mechanisms to produce...
  11. Visualizing Genomic Loci with CRISPR-Sirius

    Type
    Blog Post
    ...each recruits a different fluorescent protein (BFP, GFP, or RFP) to the genomic loci of interest. Pairs of...hairpin sequence (sgRNA-Sirius-8XPP7) to recruit GFP to the loci of interest. To determine how the sgRNA-Sirius...
  12. New Neuroscience Tool: The iGluSnFR3 Glutamate Sensor

    Type
    Blog Post
    ...regulation. To create iGluSnFR, the Looger lab wedged GFP between two halves of a bacterially derived periplasmic...increase in fluorescence intensity from the inserted GFP. After characterizing iGluSnFR in vitro, showing ...generation of iGluSnFR, the Looger lab swapped eGFP for sfGFP to create SF-iGluSnFR. This improved variant...
  13. Antibodies 101: Single Chain Fragment Variables (scFvs)

    Type
    Blog Post
    ...binding scFv that’s fused to GFP. When the multiple copies of the scFv-GFP fusion bind the SunTag scaffold...scFv that’s fused to a fluorescent protein such as GFP. The HA frankenbody works just like an antibody-based...
  14. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    ...various combinations of protein tags (His, Avi, and GFP) as well as protease sites to facilitate protein ...’ end of the leader sequence. Using a variety of GFP and RFP fusions as their test genes, the researchers...terminators of varying strengths centered within GFP/RFP bicistronic reporters characterized in Cambray...et al 2015). He has also constructed a library of eGFP-tagged human ORF clones to allow testing and comparison...be conveniently performed through the N-terminal eGFP tag carried on all constructs. The Cell-Free Protein...
  15. Viral Vectors 101: Biosensors

    Type
    Blog Post
    ...interest (analyte), and accumulation of ATP activated GFP expression (receptor), then the transducer could ...plate reader, or any other instrument which measured GFP levels and converted that signal into a readable ...
  16. Plasmid Tools for Microbiome Studies

    Type
    Blog Post
    ...selectable marker and a desired genetic payload (ex: GFP). Thus, cells can be both sorted using FACS and isolated...allows translation of the reporter gene resulting in GFP signal. With the addition of standards, the assay...
  17. Hot Plasmids - February 2022

    Type
    Blog Post
    ...anti-FLAG-FB-GFP binding to FLAG-tag H2B for nuclear localization. (c) Applications of anti-FLAG-FB-GFP labeling...This set of new anti-FLAG frankebodies includes mEGFP, mRuby2, iRFP713, SNAP-tag, and HaloTag fusions,...fusions, while the anti-HA frankenbodies include mEGFP, mCherry, and HaloTag. Figure 1: (a) Anti-FLAG...
Showing: 61 - 80 of 268 results