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We narrowed to 763 results for: SCR

Showing: 281 - 300 of 763 results
  1. Plasmids 101: Protein Expression

    Type
    Blog Post
    ...synthesize a particular protein DNA must first be transcribed into messenger RNA (mRNA). mRNA can then be translated...template of choice and allowing these cells to transcribe, translate and modify your protein of interest...assembled in vitro using purified components of the transcription and translation machinery. These include ribosomes...
  2. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    ...transfer plasmid at 30 °C instead of 37 °C and then screen for ITR recombination with a SmaI or XmaI restriction...duplicated regions like the ITRs. Restriction digest screening for ITR deletion is still necessary. To save time...mL of my AAV transfer plasmid cultures and then screen with SmaI digests. I freeze the bacterial pellet...
  3. AAV Vector Quality Control: Going the Extra Mile with NGS

    Type
    Blog Post
    ...transduced cells whenever possible. This post will describe our workflow for viral genome sequencing (VGS)...identification, we developed custom open-access Python scripts that can perform a deeper analysis of the data....Check out our Viral Vectors Featured Topic Page Subscribe to Viral Vectors Blog Posts Learn How We Use NGS...
  4. CRISPR 101: Mammalian Expression Systems and Delivery Methods

    Type
    Blog Post
    ...vivo. A common choice for conducting genome-wide screens using CRISPR. AAV transduction Only compatible...containing gRNA and Cas9 are used in in vitro transcription reactions to generate mature Cas9 mRNA and gRNA...complexes Purified Cas9 protein and in vitro transcribed gRNA are combined to form a Cas9-gRNA complex...
  5. The Effect of COVID-19 on Liu Lab Plasmid Requests From Addgene Data

    Type
    Blog Post
    ...video_player "embed_player" overrideable=False, type='scriptV4', hide_playlist=True, viral_sharing=False, embed_button...into two components: 𝜃x(t) and 𝜓z(t). 𝜃x(t) describes the exponential decay process we observed, while...appears to return to normal. The model fit these two discrete phases with an estimate of 62.3% for the COVID...
  6. Transferable Skills Guide: Identifying Your Transferable Skills

    Type
    Blog Post
    ...looking at your resume while they wrote the job description. You check off all the boxes - you have the desired... gaps in scientists' transferrable skills. In describing the limitations of the study, the authors noted...over email. Examine your current and past job descriptions. Scan through all the things for which you are...
  7. Feng Zhang Multiplexed Overexpression of Regulatory Factors (MORF) Collection

    Type
    Collection
    ...The collection can be used for screening transcription factors for cellular programming or cancer drug ...simplifies identification of the transcription factor isoform in pooled screens. This collection and library...library can be used for screening transcription factors for applications such as cellular programming or cancer...for NGS QC and bulk screening (PDF, 85 KB) TF ORF barcode dial out PCR for 10X scRNA-seq (PDF, 59.2 KB)...to simplify identification during screening. Library ID PI Description MORF library 137000, 192821, 1000000218...Browse the Zhang lab’s comprehensive human transcription factor collection, available at Addgene. The...Library The MORF library is a comprehensive human transcription factor collection that contains 1,836 genes ...
  8. Plan Your Experiment

    Type
    Collection
    ... interfere with transcription elongation. CRISPR Activation : Target the transcription start site. CRISPRa...fused to transcriptional activators that need to be within a given range of the transcription start site...validate your genetic edit. Figure 1: Flow chart describing the general framework of a CRISPR experiment....Prime editor (Cas9 nickase fused to reverse transcriptase (RT)) Can edit within a wider window than most...genome sequence dCas9 or dCas9 fusion with transcriptional repressor (such as dCas9-KRAB) dCas9-KRAB can...modifying the genome sequence dCas9 fusion with transcriptional activator (such as dCas9-VP64) Many different... interest, where the Cas9 protein can block transcription from ever initiating. gRNAs targeting regions...
  9. Finding nucleic acids with SHERLOCK and DETECTR

    Type
    Blog Post
    ...amplification) or reverse transcriptase (RT)-RPA, respectively. RPA is coupled with T7 transcription to convert amplified...2018) CRISPR-Cas12a target binding unleashes indiscriminate single-stranded DNase activity. Science 360...
  10. Tips and Tricks for Using Golden Gate Modular Cloning (MoClo)

    Type
    Blog Post
    ...vector with two other independently regulated transcription units. Created with BioRender.com.   Planning...contain plasmids with undesired ligations, so always screen multiple colonies after each transformation. This...beginners or those performing complex assemblies should screen a minimum of 8–10 colonies. You can check colonies...
  11. How to Write a Scientific Review Article

    Type
    Blog Post
    ...we probably exchanged dozens of drafts of the manuscript. This is the time to transform the document into...Resources on the Addgene Blog Writing Scientific Manuscripts: Literature Searching, Reading, & Organizing ...Organizing Tips for Improving Your Next Manuscript 6 Tips for Grant Writing Resources on Addgene.org Check out...
  12. Supporting Reproducibility with a Connected ELN

    Type
    Blog Post
    ...used in research, and data repositories. Below I describe how each of these kinds of connectivity facilitates...deposits will be made. The Dataverse integration is described in this video and the Figshare integration in ...from RSpace documents to external data sources (described above) further enhances the value the repository...
  13. Bacterial Toxin-antitoxin Systems as Molecular Biology Tools

    Type
    Blog Post
    ...restriction endonucleases in plasmid addition was first described by studies of EcoRI and Bsp6I in Escherichia coli...systems. As with the other toxin-antitoxin systems described above, one part of the pair is more stable than...toxin-antitoxin system discovered. Unlike the systems just described, the hok/sok systems consist of three components...
  14. CRISPR 101: Targeting RNA with Cas13a (C2c2)

    Type
    Blog Post
    ...Cas13a as a diagnostic tool, as discussed below. Subscribe to CRISPR Blog Posts Applications of Cas13a   ...Recombinase Polymerase Amplification (RPA) or Reverse-transcription RPA (RT-RPA), respectively. Amplified nucleotides... the collateral RNA cleavage response is well described in bacterial cells, LwaCas13a does not display...
  15. New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression

    Type
    Blog Post
    ...heterologously by bacteria inside the body. So we screened gas vesicles gene clusters from a diverse set ...expression heterogeneity required single cell screening to isolate a clonal cell line capable of producing...improvement in expression. Stabilizing the gvpA transcript with WPRE reduced the number of copies of gvpA...
  16. Changing Labor Laws Bring Increased Postdoc Wages

    Type
    Blog Post
    ...expected for postdocs in many cases should be as described in the notice of the new NRSA levels and in the...very relieved not to be going through the urgent scramble of their peer institutions. The issues facing ..., and it is becoming ever clearer that outside scrutiny of science and the academic system is increasing...
  17. Hot Plasmids: Summer 2024

    Type
    Blog Post
    ...methyltransferase — that can drive lasting transcriptional silencing (Nuñez et al., 2021). Now, in a collaboration...versions using dCas9, zinc finger proteins, and transcription activator-like effectors (TALEs), with fifteen...Weissman, J. S. (2021). Genome-wide programmable transcriptional memory by CRISPR-based epigenome editing. Cell...
  18. Deep Mutational Scanning with One Pot Saturation Mutagenesis

    Type
    Blog Post
    ... The one-pot saturation mutagenesis technique described in Wrenbeck et al is a PCR-based approach for ...library that’s ready to be tested in a functional screen of your liking. This method is similar to site-directed... screen...
  19. Harnessing Bacterial Toxins for Allelic Exchange

    Type
    Blog Post
    ...strong transcriptional terminator BBa_B1002 (from IGEM) upstream of the MCS to reduce transcriptional readthrough...worked too. Rhamnose induction relies on the transcriptional activator rhaS. To allow manipulation of bacteria...
  20. Multicolor Animals: Using Fluorescent Proteins to Understand Single Cell Behavior

    Type
    Blog Post
    ...same fluorescent markers, Brainbow 3.1 and 3.2 (described in the same publication) are unique because by...cell type. The Confetti mouse was first used to describe the self-renewal of cells in the intestinal crypt...previous Brainbow technologies were useful for discriminating neurons within only one field of view. Tetbow...
Showing: 281 - 300 of 763 results