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Showing: 41 - 60 of 64 results
  1. New Norepinephrine Indicators: nLightG and nLightR

    Type
    Blog Post
    Published
    Dec. 12, 2023, 2:15 p.m.
    ...contains circularly permuted green fluorescent protein (GFP), and nLightR uses a red fluorescent protein, mApple..., Wu, Z., Wu, H., Chen, W., Zhang, P., Zou, J., Hires, S. A., Zhu, J. J., Cui, G., Lin, D., Du, J., & ...
  2. Genetically-encoded Sparse Cell Labeling - A SPARC of Innovation

    Type
    Blog Post
    Published
    May 21, 2020, 1:15 p.m.
    ...transcription activation systems, such as LexA/p65 or mCD8/GFP, to allow sparse labeling in a variety of fly cell...transgene (Lin et al., 2018). However, this system requires precise titration of the AAV. So far, tools to...
  3. Viral Vectors 101: Parts of the AAV Transfer Plasmid

    Type
    Blog Post
    Published
    Aug. 11, 2020, 1:15 p.m.
    ...or smaller. Some examples include a reporter like GFP, some smaller CRISPR-Cas proteins such as SaCas9,...this awesome experiment you want to do, but it requires some AAV. You’ve never worked with AAV before,...
  4. Using Addgene's New Viral Service for Your Research

    Type
    Blog Post
    Published
    Nov. 17, 2016, 3:30 p.m.
    ...also have lentivirus for delivering control shRNAs, GFP, and rtTA from the Tet-on system. The first two can...Virus production can be a frustrating process that requires a large investment of time and resources for labs...
  5. CRISPR 101: Multiplex Expression of gRNAs

    Type
    Blog Post
    Published
    Sept. 10, 2020, 11:45 a.m.
    ...destination vector contains GFP, enabling you to select cells with high GFP expression. These cells have...editing, and a subsequent curing protocol that requires only 2-3 hours incubation. Kondo Lab multiplexed...
  6. Viral Vectors 101: Calcium Sensors

    Type
    Blog Post
    Published
    Aug. 10, 2023, 1 p.m.
    ...ones? Many of the available biosensors use a single GFP or CFP/YFP-derived FRET pair. If you need to free...molecular neuroscience. 2014 Nov 18;7:88. Tian L, Hires SA, Looger LL. Imaging neuronal activity with genetically...
  7. Plasmids 101: The Promoter Region – Let's Go!

    Type
    Blog Post
    Published
    April 3, 2014, 8:05 p.m.
    ...Vectors Read about Reporter Gene like Luciferase and GFP Resources on Addgene.org Find Plasmids for Your...binding sites, commonly used in Drosophila Specific Requires the presence of Gal4 gene to activate promoter...Promoter from T7 bacteriophage Constitutive, but requires T7 RNA polymerase. When used for in vitro transcription... Negligible basal expression when not induced. Requires T7 RNA polymerase, which is also controlled by...Promoter from Sp6 bacteriophage Constitutive, but requires SP6 RNA polymerase. SP6 polymerase has a high ...Promoter from T3 bacteriophage Constitutive, but requires T3 RNA polymerase When used for in vitro transcription...
  8. Don’t FRET: Bimolecular Fluorescence Complementation Makes Visualizing Protein-Protein Interactions Easy

    Type
    Blog Post
    Published
    Aug. 27, 2020, 1:15 p.m.
    ...check out our article: Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection. Cellular... of hard-to-achieve factors. For example, FRET requires that fusion proteins be in close proximity and...FRET, as the overexpression of fusion proteins it requires can lead to aberrant subcellular localization ... construction Fusing FP fragments to your PIPs requires careful selection of FP fragments and, preferably...information, constructing appropriate controls may requires that you empirically test a number of mutants ...
  9. Simplify Cloning with in vivo Assembly

    Type
    Blog Post
    Published
    Oct. 18, 2018, 12:37 p.m.
    ...gene, while adding a GFP-tag (Figure 3). Achieving multiple modifications requires multiple recombination...to transformation (Figure 1). As this approach requires no special reagents or purification kits, it is...
  10. CRISPR 101: Targeting RNA with Cas13a (C2c2)

    Type
    Blog Post
    Published
    Sept. 21, 2017, 2:07 p.m.
    ... a superfolder GFP fusion to stabilize the protein in mammalian cells. LwaCas13a-msfGFP can mediate cleavage... tracrRNA and crRNA to cleave target DNA (Cpf1 requires only a crRNA for target recognition and cleavage... PFS. This is in stark contrast to Cas9, which requires that each DNA target have high sequence identity...
  11. Overcoming the AAV Size Limitation for CRISPR Delivery

    Type
    Blog Post
    Published
    Sept. 16, 2020, 1 p.m.
    ...markers were not increased compared to a control AAV-GFP. Not only did the AAV-SaCas9-sgRNA constructs mediate...drawbacks limit the utility of these systems: St1Cas9 requires a very specific PAM sequence that limits the number...
  12. The Fluorescent Vegetables in Aptamer Soup

    Type
    Blog Post
    Published
    Jan. 29, 2019, 2:27 p.m.
    ...aptamers able to bind to a small molecule derivative of GFP called 3,5-difluoro-4-hydroxybenzylidene imidazolinone...instability at 37°C (Ouellet et al., 2016) and requires a tRNA scaffold to improve its stability in vivo...
  13. Technologies Enabled by NanoLuc® Luciferase

    Type
    Blog Post
    Published
    Feb. 8, 2018, 12:17 p.m.
    ...fluorescent protein that could be co-imaged with GFP using the same wavelength for excitation. The result...for how sensitive you can make a reaction. NLuc requires 100-fold less protein to produce the same amount...detecting traditional luciferases’ dim light emissions requires long acquisition times that may be impractical...
  14. Hot Biosensors 2022: Year-End Roundup

    Type
    Blog Post
    Published
    Dec. 6, 2022, 2:15 p.m.
    ...are generated by inserting a circularly-permuted GFP into an intracellular loop of various G-protein-coupled...variations and heat transfer at the subcellular level requires a probe with fast kinetics and high signal/noise...
  15. 27 Hot Plasmids from 2016

    Type
    Blog Post
    Published
    Dec. 22, 2016, 3:03 p.m.
    ..., Hess et al. successfully evolved wild type GFP to EGFP using CRISPR-X and subsequent FACS sorting. They...with unique tissue-specific promoters expressing GFP, tetracycline response elements, and shRNAs many ... of DsRed connected to a pH-sensitive variant of GFP (SEP) by a 9 amino-acid linker (see Figure 1). The...for more selective targeting of fusion proteins, requires less biotin, and shows enhanced labeling of proximate...
  16. Delivery Methods for Generating iPSCs

    Type
    Blog Post
    Published
    April 17, 2018, 1:37 p.m.
    ...cassette comprised of OCT4, SOX2, LIN28, NANOG, and a GFP reporter. Minicircles are removed from cells by dilution...promoters for transcriptional regulation, so it requires a different approach for regulating transgene ...Generating iPSCs with plasmid-based expression requires serial transfection of 1 or 2 plasmids that express... the gold standard instead. Teratoma formation requires injecting iPSCs into immunodeficient mice and ...suited for these situations. The second scenario requires higher levels of safety and as little chance of...
Showing: 41 - 60 of 64 results