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We narrowed to 531 results for: sequence

Showing: 221 - 240 of 531 results
  1. Sleeping Beauty Awakens for Genome Engineering

    Type
    Blog Post
    ...Transposons are sequences of DNA that can move around in a genome. In a laboratory setting, transposons...the tranposon to integrate. Additionally, the TA sequence is duplicated near the gene of interest insertion...between a greater number of extinct transposon sequences and then testing various combinations of changes...
  2. Cutting Once Is Harder Than It Sounds: Your Guide to Minimizing Off-Target Effects

    Type
    Blog Post
    ...nucleases occasionally make mistakes and cleave DNA sequences that only resemble the intended target. These ...practice, however: Increased fidelity to a given sequence often comes at the sacrifice of some or all on-target...and a genomic site. However, the targeted DNA sequences (or spacers) themselves have an inherent differential...screening of nuclease variants by next-generation sequencing (NGS) After cloning your sgRNA: Check on-target...characterizing Cas9 variants via a one-million target sequence library of self-targeting sgRNAs. Nucleic Acids...
  3. Antibodies 101: Single Chain Fragment Variables (scFvs)

    Type
    Blog Post
    ...?  scFv sequences have traditionally been cloned by amplifying the VLand VH antibody sequences of hybridomas...semi-synthetic or entirely synthetic VL and VH sequences. Phage display also allows for screening scFv ...antibodies. To do this, antibody variable domain sequences are expressed as scFvs and screened with in vitro...assays to select for strong binders. Then the sequences for the variable domains of the selected scFvs...
  4. Antibodies

    Type
    Collection
    ...accessibility in research and therefore makes the sequences of these affinity reagents available to scientists...
  5. PCR Applications for Copy Number Variation Assays

    Type
    Blog Post
    ...The raw data is then normalized to a reference sequence present in the same amount in all samples (usually...to run multiplex assays, allowing the reference sequence and the gene of interest to be amplified in the...for both the gene of interest and the reference sequence. At the end of the run, each droplet is read as...Complexity of the gene of interest Some gene sequences are harder to amplify and quantify than others...
  6. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

    Type
    Blog Post
    ... generating insertions or deletions in the DNA sequence. This same approach is effective to target short...very small deletions and insertions in the DNA sequence can completely disrupt expression of the transcribed...Cas9 generates double-strand breaks, a new DNA sequence can be knocked-in, or introduced, into the break...off-target effects since promoter and enhancer sequences remain intact (Engreitz et al. 2019). The interactions...
  7. CRISPR Plasmids - RNA Editing

    Type
    Collection
    ...dPspCas13b does not require a Protospacer Flanking Sequence (PFS), making it a very flexible editing system...
  8. Rewiring Metabolic Circuitry with CRISPR RNA Scaffolds [Video]

    Type
    Blog Post
    ...sgRNA) that bears complementarity to a 20bp target sequence (Qi et al. 2013). Modifying the CRISPRi system... will bind to a PAM-adjacent target nucleotide sequence then subsequently recruit a transcriptional regulator...Repurposing CRISPR as an RNA-guided platform for sequence-specific control of gene expression. Cell, 152...
  9. New CRISPR Tools: Cas7-11 and PASTE

    Type
    Blog Post
    ... a genetic sequence and integrate it into any DNA sequence containing the 38-50 bp sequence recognized...they optimized the specific attachment sites via sequence engineering, enabling even more efficient integration...
  10. Viral Production at Addgene

    Type
    Blog Post
    ...please contact us. Full sequencing of the Viral Genome Next-generation sequencing is performed on viral ...genes, and a plasmid encoding adenoviral helper sequences. AAV preparations are purified by iodixanol gradient...genomes isolated from the final AAV preparation. Sequencing results are analyzed to confirm the identity ...
  11. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    ...the activator protein cannot bind the promoter sequence anymore and transcription is turned OFF. Negative...protein is present, but cannot bind the promoter sequence and transcription is ON. Once a co-repressor protein... (TetR) can bind to the tetracycline operator sequences (TetO), preventing transcription. In the presence...binds to promoters containing putative operator sequences (CuO) (linked in groups of 6), allowing transcription...which activate their respective UAS and lexAop sequences but are also regulated by QS and quinic acid. ...
  12. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

    Type
    Blog Post
    ... effective, ivTRT may be more challenging for sequences with complex secondary structure. Today, multiple.... Miura et al. (2018) suggest using a 50-80 bp sequence around the desired insertion site to search for...C-terminal insertion with Easi-CRISPR. Potential guide sequences (arrows) and their PAM (bold highlighted text)... knock-in design may naturally remove the gRNA sequence or place it far from the PAM; if not, you can ...guide. This design also separates the gRNA target sequences from their PAMs, preventing re-cutting after editing...
  13. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

    Type
    Blog Post
    ... a ~20 nucleotide targeting sequence and ~75 nucleotide scaffold sequence) is consistent between plants...contain a plant pol III promoter and gRNA scaffold sequence and allow researchers to insert targeting oligos...is commonly tagged with a nuclear localization sequence to enhance targeting to the nucleus, and several...the specifics - promoters used, precise protein sequences or domains, and methods of delivery - the underlying...
  14. Resolute Plasmid Collection

    Type
    Collection
    ...contains codon-optimized ORF sequences for human SLCs and SLC binder sequences in Gateway-compatible cloning...
  15. DAP arrays for multiplex gene editing

    Type
    Blog Post
    ...repetitive tRNA sequences must be avoided, different tRNAs with optimized 5’ leader sequences can be used ...plant source), by tuning the length of 5’ leader sequences of a given tRNA to achieve the highest efficiencies...
Showing: 221 - 240 of 531 results