Skip to main content
Addgene
Showing: 141 - 160 of 206 results
  1. Genetically-encoded Sparse Cell Labeling - A SPARC of Innovation

    Type
    Blog Post
    ...in flies Resources on Addgene.org Find fluorescent protein plasmids at Addgene Read our Molecular Biology... optogenetic tool (CsChrimson) attached to a fluorescent indicator (tdTomato), as the effector. They also... al., 2019. Applications for SPARC SPARC technology is versatile and can be applied across cell types...
  2. Scientific Reproducibility - Focusing on Solutions at the Minisymposium on Reproducibility

    Type
    Blog Post
    ...FPbase curates information about fluorescent proteins so you can best apply these technologies to your own...extracellular proteins with community-based validation. They also have plans to expand to other protein technologies...Addgene Blog FPbase: A new community-editable fluorescent protein database ReFigure: Save Scientific Figures...Reagent Development - Steven C. Almo, Institute for Protein Innovation  1:18:45 - 2:01:18 (end) - Panel Alex...Steve Almo’s talk about work at the Institute for Protein Innovation (IPI) (49:45 - 1:18:45), there are also...reproducible if its findings can be predictably applied to future work. Importantly, no one should expect...studies, as reported by drug companies attempting to apply the findings from these studies, are quite low (...
  3. Antibodies 101: Chimeric Antibodies

    Type
    Blog Post
    ...determine how Protein A and Protein B interact. You read extensive research on the two proteins and come up... an ideal antibody against Protein A and an ideal antibody against Protein B. The antibodies are both ...to detect Protein A and green fluorophore-tagged anti-mouse IgG2a secondary to detect Protein B and successfully... anti-Protein A antibody and an anti-mouse IgG2a secondary antibody to bind to the anti-Protein B antibody...are rat IgG1, then you could convert your anti-Protein B antibody to a mouse IgG2a Fc. The resulting chimeric...successfully visualize both proteins.     Figure 2: Two primary antibodies with the same isotype...secondary antibodies can be used with different fluorescent labels and both targets can be successfully visualized...
  4. Recombinase-based State Machines Enable Order-dependent Logic in vivo

    Type
    Blog Post
    ...unique combination of red, blue, and green fluorescent proteins in each state. The three methods of state...amount of information regarding which regulatory proteins, signaling molecules, mutations, and environmental...mentioned above (Sanger sequencing, qPCR, and fluorescent reporter-based) each come with their advantages...opinion, the most convenient strategy is the fluorescent reporter based method since it lends itself to...performed on one register at a time. If a particular application makes it difficult to isolate single registers...state read-out method may not be suitable for applications that require minimal cellular perturbation. ...contains the register. Depending on the desired application, the inducible promoters we used to drive recombinase...
  5. Plasmids 101: What is a plasmid?

    Type
    Blog Post
    ...setting. Read more: Plasmids 101: Protein Tags Produce proteins that glow so that scientists can track...quantity inside a cell Plasmids 101: Green Fluorescent Protein (GFP) Plasmids 101: Luciferase Monitor... a plasmid by recruiting replication machinery proteins Antibiotic Resistance Gene Allows for selection...gene is expressed in and amount of recombinant protein obtained. Selectable Marker The antibiotic resistance...used to do include: Produce large amounts of a protein so that scientists can purify and study it in a...broadly utilize plasmids across a wide range of applications. Some common plasmid types include cloning plasmids...
  6. Twelve Amazing Guest Blog Contributors!

    Type
    Blog Post
    ...the Integrin collection) from the Institute for Protein Innovation. An Integrin Antibody Toolkit from ...from Promega, who wrote a guide to selecting fluorescent dyes and ligands. Illuminating Choices Paul...Modular Cloning and Plasmids 101: Modular Cloning Applications and Kits We are very grateful for each and...
  7. Antibody Validation for Flow Cytometry

    Type
    Blog Post
    ... the optimal knockdown of the protein target will depend on the protein turnover rate. If you need a more...suppress the expression of many related proteins, not just your protein of interest, which can affect your ...through an epitope tag such as FLAG/His/GFP. Fluorescent protein tags, which correlate closely with target... levels of the target protein. It may only be able to detect the target protein at the high levels caused...robust approach to antibody validation. If your protein of interest is essential to the cell’s function... cells were labelled with a green or violet, fluorescent dye, respectively. WT and KO cells were mixed...RNA level The knockdown is not efficient at the protein level at the timepoint studied Off-target activities...
  8. Plasmids 101: Protein Expression

    Type
    Blog Post
    ...Researches can visualize proteins in vivo by tagging them with fluorescent proteins to study localization or purify... for protein expression with several strains that are specialized for protein expression. Protein expression...molecular biology is DNA→RNA→Protein. To synthesize a particular protein DNA must first be transcribed... that make up the primary structure of proteins. Most proteins are then modified via an array of post-... acetylation to create functional, stable proteins. Protein expression refers to the second step of this... purify proteins to study their structure, interactions and functions. Proteins can also be purified for...transcribe, translate and modify your protein of interest. Modified proteins can then be extracted from lysed...
  9. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

    Type
    Blog Post
    ...brain IHC.  FPbase: A data repository for fluorescent proteins and their properties.  Expasy: Bioinformatics... of Blue Flame plasmid pET21a-BirA.   DNA / protein database search and analysis tools Addgene's analyze...with Addgene. NCBI BLAST: Compares nucleotide or protein sequences to sequences in a database ExPASy translation...six open reading frames UniProt: A database of protein sequence and functional information, such as expression...making it ready to copy and paste into other applications Primer design tools Many of the above-listed... well as primer design for different cloning applications. Primer3 and Primer3Plus: For general primer...
  10. GCE4All: Making Genetic Code Expansion Accessible

    Type
    Blog Post
    ...researchers, from selective protein ligation through introducing ncAAs with protein modifications of interest...relationships or, in more practical applications, allow a protein to be more effectively used in a technology...If you study proteins, you’re probably quite interested in the canonical 20 amino acids. But in your ...your quest to learn more about your protein of interest, you may find the available amino acids a bit…limiting... called unnatural amino acids) are placed in a protein site-specifically to alter its function, mimic ...biologically relevant modification, or add in fluorescent or chemically reactive side chains, all of which...put all these together, the cell will produce a protein with a site specifically incorporated ncAA, ready...
  11. Distribution to Industry

    Type
    Collection
    ... and CRISPR tools Fluorescent Proteins from the Michael Davidson collection Protein Labeling from New ... Structural Genomics Consortium Solute Carrier Proteins (SLCs) from the RESOLUTE collection AAV Packaging...antibodies are produced in-house and undergo application-specific validation and quality control by Addgene... Recombinant Antibody Reactivity Recommended Applications PI Don’t See What You’re Looking For? Please...
  12. Editor's Choice, July 2016

    Type
    Blog Post
    ...phenomena and about how fluorophores other than fluorescent proteins can be incredibly useful in FRET experiments...target and use FRET flurophores for a variety of applications. While editing this post, I learned a lot about...this post to anyone wondering if and how they can apply FRET in their own research. All posts from July ...
  13. Qi Lab CRISPR Page

    Type
    Collection
    ...requiring only a nuclease-deficient Cas9 (dCas9) protein and a customized s ingle g uide RNA (sgRNA) designed...expression cassette, useful for selection or fluorescent gating of transiently transfected cells. Co-expression...could cause up to 2~3-fold repress on targeted fluorescent genes. These plasmids are described in: Repurposing...compared to several recently published works on applying the wild-type CRISPR system for genome mutagenesis...
  14. Luciferase Plasmid Collection

    Type
    Collection
    ...co-immunoprecipitation to assess protein-protein interactions. NanoLuc® complementation : Protein-protein assays based on... Plasmid Collection You may also like... Fluorescent Proteins Blog: Luciferase 101 Blog: Technologies ...-learning approaches. Split-Luciferase and Protein-Protein Interaction Assays Cluc-FKBP , FRB-Nluc : Split...mmunoprecipitation) plasmids : Luminescence-based protein-protein screening method for the systematic and quantitative...NanoLuc® have been used to assess GPCR-G protein interactions , protein dimerization , endosomal escape of ..., Enhanced Nano-lanterns , and Antares : Fluorescent proteins are fused to Renilla luciferase (Nano-lanterns...Firefly luciferase and Renilla luciferase have short protein half-lives, making them useful as transcriptional...
  15. Zebrafish as a Model for Behavior: Swimming into the Optogenetic Spotlight

    Type
    Blog Post
    ...noninvasive live imaging with fluorescent tags and activation of light sensing proteins. Furthermore, during the...Optogenetics, the use of light sensitive proteins (opsins) to manipulate cell activity, enables researchers...functions through opsins which are light sensitive proteins. Opsins used in optogenetic studies are not native...spontaneous swimming  Researchers at the Isacoff lab applied optogenetics in zebrafish larvae to identify new...
  16. CRISPR 101: Ribonucleoprotein (RNP) Delivery

    Type
    Blog Post
    ...required, such as when a Cas9 fusion to a fluorescent protein is used to label nucleic acid targets.  While...stability of the Cas9 protein in the host. Indeed, research has shown that a Cas9 protein from Geobacillus ...Cationic lipid-mediated delivery of proteins enables efficient protein-based genome editing in vitro and... to directly deliver a ribonucleoprotein (RNP), consisting of the Cas9 protein in complex with a targeting... cell via protein degradation pathways. This makes Cas9 RNPs useful for CRISPR applications where limited... this method for in vivo applications. This technique utilizes Cas9 proteins harboring receptor ligands...delivery of, at minimum, two components: the Cas9 protein and a guide RNA (gRNA) targeting your genomic site...
  17. Antibodies 101: Conjugation

    Type
    Blog Post
    ...Proximity Ligation Assay for Detecting Protein-Protein Interactions and Protein Modifications in Cells and Tissues...the antibody sequence or that rely on strong protein-protein interactions with other peptides, like an Fc-binding...non-canonical amino acids or peptide tags. 5) Strong protein-protein interactions with other peptides. Created with...detect your antibodies using techniques like fluorescence microscopy, flow cytometry, or spectrophotometry...especially if you start to consider clinical applications). But there are a few other classes that we ...proximity ligation, immuno-PCR, and single-cell applications (Hegazy, et al., 2020; Niemeyer, et al., 2007...
  18. Quick Guide to All Things Lentivirus

    Type
    Blog Post
    ...interest is expressed together with a marker (Fluorescent protein or selection marker) allowing for selection...delivering shRNA, CRISPR/Cas9 components, and fluorescent sensors. Retroviral vector background Until ... psi signal, the genes encoding the structural proteins could not be integrated into the new viral particles...plasmid), and 3) the vesicular stomatitis virus G protein (VSV-G) that improves the stability and broadens... one with the exception that the HIV accessory proteins that are not essential for the production of the...dividing and non-dividing cells No immunogenic proteins generated Stable integration into host genome...have been increasingly popular in fundamental and applied research since their first use in the early 90’...
Showing: 141 - 160 of 206 results