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  1. How Addgene Creates Content

    Type
    Blog Post
    ...Science careers Plasmids CRISPR Viral vectors Fluorescent proteins  ...antibody and content team, we identified what applications should be included and what basic information...
  2. Five Popular Model Organisms, Part 2

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    Blog Post
    ... BirA, has been used to identify and study protein-protein interactions in proximity labeling techniques...extensive research history and characterization. Many proteins and processes naturally found in E. coli have ...and a tool-kit from the Hamdoun Lab to create fluorescent fusions in a multitude of organisms including...Escherichia coli as a Model Organism and Its Application in Biotechnology. In Escherichia coli - Recent...Physiology, Pathogenesis and Biotechnological Applications. InTech. https://doi.org/10.5772/67306 Koornneef...
  3. CRISPR 101: Homology Directed Repair

    Type
    Blog Post
    ...generally preferred for large insertions such as fluorescent proteins or selection cassettes. This class of template...overhang. This will serve as both a substrate for proteins required for strand invasion and a primer for ...strand. While this pathway may not be immediately applicable in DSB-induced genome engineering, it has biological...that can be harnessed by researchers for many applications. Your favorite Cas enzyme, a guide RNA to your...Mouse Geneticist's practical guide to CRISPR applications. Singh P, et al. Genetics 114.169771; (2014)...alleles using long ssDNA donors and CRISPR ribonucleoproteins. Quadros RM, et al. Genome Biol. 18(1); (...
  4. Troubleshooting and Optimizing a Western Blot

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    Blog Post
    ...step: protein degradation, incomplete lysing/insoluble proteins, and protein aggregation. Protein degradation...isolating proteins from a specific compartment. If your proteins are nuclear- or DNA-binding proteins, you ...two types of gradients. Protein gradients use dilutions of your sample or protein of interest to understand...  Figure 1: A protein gradient. The density of the bands, which increase as protein concentration increases...in order to release the proteins from their binding. If you’re seeing protein aggregation, you may want...you need very accurate protein measurements, consider using an unstained protein ladder, which will run...reversible protein staining immediately after your transfer. If you are expecting low amounts of protein, make...
  5. Popular Retroviral Vectors and Their Uses in Scientific Research

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    Blog Post
    ... for packaging, however, the isoforms of these proteins, as well as the viral LTRs differ. Therefore, ... deletion (Cre), together with expression of fluorescent or enzymatic reporters for cellular assays and...Gammaretroviral Vectors: Biology, Technology and Application. Viruses. 2011. PubMed PMID: 21994751. PubMed...
  6. Drew Endy Introduces the Biobrick Public Agreement Plasmid Collection

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    Blog Post
    ...of DNA to make RNA, translation of RNA to make proteins. That's central to everything that goes on inside...regulation of gene expression including growth or fluorescence. There are a few examples of engineered RNA ...substantial. It's estimated that genetic engineering as applied to products on the domestic market generates $300...
  7. Tetracycline Inducible Expression

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    Collection
    ...tetR with the C-terminal domain of VP16 (virion protein 16), an essential transcriptional activation domain...vector; for evaluation of shRNA efficacy using fluorescence; use with pGFPns-reporter for cDNA target rtTA...Lentiviral, miRNA expression (PRIME) system for application in knockdown of gene expression at a single copy...
  8. 9 tips for a successful postdoctoral experience

    Type
    Blog Post
    ...of secretory proteins in the Endoplasmic Reticulum, optimization of fluorescent proteins,  and live cell... have been completed. Therefore, to be ready to apply for a Group Leader position, key first author manuscripts... project. Furthermore, Group Leader position applications require 3 letters of reference- the graduate...informal recommendations, more positive grant application and manuscript reviews, etc. You'll also meet...
  9. Genetic Code Expansion

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    Collection
    ...intentionally change the activity of a protein (e.g. converting a DNA binding protein to a DNA cleaving enzyme) or...express the protein with and without the ncAA in the media to make sure that the full length protein is only...phosphoserine-containing proteins using genetic code expansion without buildup of prematurely truncated protein. Ryan Mehl...of the tRNA. Applications By making small changes in selected amino acids within a protein, any alterations...Expansion Accessible Using Phosphoserine to Study Protein Phosphorylation Rinehart Lab reagents tRNA/Synthetase...standard amino acids. Expanding the Genetic Code In protein translation, an aminoacyl-tRNA synthetase (aaRS...amino acid can be incorporated using the existing protein translation machinery. To expand the genetic code...
  10. Antibodies 101: Immunoprecipitation

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    Blog Post
    ...for all applications, such as protein isolation from serum. In this case, Protein A and Protein G will ...absence of a protein, determine if a protein is up or downregulated, examine a protein’s stability or ...Hjelm, 1972, Bjorck 1984). Protein A, Protein G, or the recombinant Protein A/G are conjugated to agarose...support while unbound proteins are washed away.  While both Protein A and Protein G have an affinity for...compatible with either Protein A or G.  While commonly used, Protein A and Protein G are not suitable for...of the target protein or interfere with protein interactions of interest. Tagged proteins are typically...modifications, or study how a target protein interacts with other proteins or nucleic acids. Read on to learn...
  11. Antibodies 101: Secondary Antibodies

    Type
    Blog Post
    ...molecule, the antibody binds to a protein, and then voila! Wherever your protein of interest is, a signal will...molecules to identify each protein of interest, this gel-based method identifies proteins solely by weight and... isn’t giving you enough signal to detect your protein of interest, it may be time to look at the indirect...antibodies. While a primary antibody binds to the protein of interest, a secondary antibody binds to the ...signaling molecules associated, indirectly, with each protein of interest.    Figure 1: The direct ... molecules are represented in light green; and proteins are represented in orange. Created with BioRender.com...three, secondary antibodies are indicated when the protein of interest is found in low amounts or if the conjugated...
  12. PITChing MMEJ as an Alternative Route for Gene Editing

    Type
    Blog Post
    ... transgenes. It’s important to note that the fluorescence level observed will be dependent on both the...lies in the diversity of nucleases and their applications. It will be interesting to see what new editing...Scalable Genome-Editing Based Approach for Mapping Multiprotein Complexes in Human Cells.” Cell Rep. 13: 621...
  13. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    ...well as the type of transgene delivered: fluorescent proteins, optogenetic sensors, CRISPR elements, etc...BBB via interactions with a similar protein called LY6C1. This protein is expressed in both BALB/cJ mice...exists to prevent substances in the blood, like proteins and viruses, from crossing into the brain. While... it, cross the BBB through an endothelial cell protein called LY6A (Hordeaux et al., 2019; Huang et al...capsids that rely on interactions with those two proteins to cross the BBB are often not effective in NHPs... selected for its ability to bind to the LY6C1 protein in order to reduce strain-specific tropism in mice... W. L., & Wilson, J. M. (2019). The GPI-Linked Protein LY6A Drives AAV-PHP.B Transport across the Blood-Brain...
  14. Antibodies 101: Fab Fragments

    Type
    Blog Post
    ...antibody. Do you immediately visualize a Y-shaped protein reminiscent of the Addgene mascot Abi? If so, you...When assembled, the four chains make a Y-shaped protein that can be divided into the Fragment Crystallizable...the fragment could bind not only the endogenous proteins you are trying to block but your primary antibody...the antibody you do and don’t need, and how the protein will interact with other components of your experiment... as secondary antibodies, have much broader applicability. It is fairly easy to find these in a Fab fragment...pre-form primary-secondary antibody complexes before applying them to samples, such as when performing IHC in...can be used as a block in similar scenarios. By applying unconjugated Fab fragments that are the same species...
  15. Addgene's eBook Collection

    Type
    Guide
    ...Overlay Select Fluorescent Proteins 101 August 2017 | First Edition About Fluorescent Proteins 101 August...for choosing a fluorescent protein; information on FRET, biosensors, and monitoring protein localization...localization; an introduction to non-protein fluorophores; and much more! Close About Overlay Select Viral Vectors...contains an introduction to each vector and its applications, tips for using vectors in your experiments,...your transferable skills, and tips on the job application process. Close About Overlay Select CRISPR 101...introductions and helpful tips for antibody-based applications, from flow to IHC! Close About Overlay 0 of ...
  16. Immunology Research Plasmids and Resources

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    Collection
    ... domain protein 1 2B28, UBXD10 ULBP1 UL16 binding protein 1 RAET1I ULBP2 UL16 binding protein 2 N2DL2,...morphogenetic protein 5 MGC34244 BMP6 bone morphogenetic protein 6 VGR, VGR1 BMP7 bone morphogenetic protein 7 OP...TYROBP TYRO protein tyrosine kinase binding protein DAP12, KARAP, PLOSL ULBP1 UL16 binding protein 1 RAET1I... You May Also Like: Viral Service CRISPR Fluorescent Proteins Cancer Research Plasmids Gene Categories...shock 70kDa protein 1B FLJ54328, HSP70-1B, HSP70-2, HSPA1A HSPA1L heat shock 70kDa protein 1-like HSP70...HSPA2 heat shock 70kDa protein 2 HSP70-2, HSP70-3 HSPA4 heat shock 70kDa protein 4 APG-2, HS24/P52, MGC131852...
  17. Molecular Biology Reference

    Type
    Guide
    ...provides the instructions to make every protein within an organism. Proteins are made up of amino acids. Each...control of a non-bacterial promoter) or a fluorescent protein (that can be used to select or sort the cells...recognizes the different fluorescent labels. The machine detects which fluorescently labeled nucleotide is...discoveries lead to the conclusions that genes encode proteins and reside on chromosomes, which are composed ...in the central dogma of molecular biology, that proteins are translated from RNA, which is transcribed ...Although plasmids were originally used to understand protein coding gene function, they are now used for a variety...enhancer sequence which increases the amount of protein or RNA produced. Expression vectors can drive expression...
  18. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

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    Blog Post
    ...components including (1) a CRISPR RNA, (2) four proteins forming the QCascade DNA-targeting module with...with the crRNA, (3) three transposase proteins, and (4) the donor DNA. By using a multi-spacer CRISPR array...Zalatan’s lab used an approach to identify known proteins involved in the activation of transcription including...including transcription factors, phage proteins, and RNAP components (Dong et al., 2018). They found a...dCas9 variant fused to bacterial enhancer binding protein required for the activation of sigma-54 type promoters...glycosylase inhibitor and degradation tag on the fusion protein to limit the activity of the system as a whole....tools available for bacteria and some of the applications for which they’ve been used. The beginnings ...
  19. Educational Resources

    Type
    Guide
    ...Plasmids 101 CRISPR 101 Viral Vectors 101 Fluorescent Proteins 101 Science Career Guide Videos Watch our...techniques. Topics include: Genome Engineering Fluorescent Proteins CRISPR Viral Vectors Plasmid Technology ...written and video protocols for a wide range of applications in molecular biology, plasmid cloning, and virus...
Showing: 181 - 200 of 206 results