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Showing: 21 - 40 of 72 results
  1. Prime Editing: Adding Precision and Flexibility to CRISPR Editing

    Type
    Blog Post
    ...reverse transcriptase with a sequence optimized for human codons; additional nuclear localization sequences...heteroduplex     ✓ ✓ ~ ~ ~ Human codon optimization Improve prime editor expression ~ ~...everything — prime editing typically needs to be optimized for each application, and the efficacy varies ...precise and versatile, but it requires careful optimization to achieve the best efficiency. The type of ...efficiency can vary widely — so its inventors kept optimizing it. Using a pooled CRISPRi screen, the Liu lab...originally introduced, rely on the PE2 enzyme. PEmax: Optimizing prime editor sequence to improve expression and...as prime editing, every efficiency counts! The optimized enzyme can be used with any of the PE2-5 approaches...
  2. Google Forums Round Up: First Impressions of NgAgo

    Type
    Blog Post
    ... a few months. More time is required for its optimization and development before it can truly be pitted...PAM sequence might not always be available at an optimal distance from the target site. For example, NGG...AT-rich regions of the genome or just after a stop codon (as required for C-terminus epitope tagging). NgAgo...method and 65% wanted to wait until someone else optimizes an NgAgo protocol for their favorite model system...respondents suggesting that NgAgo can indeed be optimized for genome editing in mammalian cells. However...indicates that it is very tricky to use and fussy to optimize. One reason could be the instability of the supposedly...Verdict", is that more time is required for NgAgo optimization before we can make any major conclusions: That...
  3. PITChing MMEJ as an Alternative Route for Gene Editing

    Type
    Blog Post
    ...cassette into a given locus, just upstream of a stop codon. Briefly, the PITCh vector should be constructed...the risk of off-target effects, Sakuma et al. optimized the PITCh-gRNA for minimal off-target binding ...GFP-Puro will be inserted just upstream of a stop codon. One potential concern is if the GFP-Puro will alter...
  4. CrispyCrunch: High-throughput Design and Analysis of CRISPR+HDR Experiments

    Type
    Blog Post
    ...Furthermore, we did not find any tools which were optimized for HDR, except for TagIn. HDR requires the additional...enabled it to return guides and primers in batch, optimized for HDR. Compared to wealth of resources for guide...insert, the more poorly the guide performs HDR. Optimal mutation in-depth One the most sophisticated features...mind, we implemented the following algorithm for optimal mutation in CrispyCrunch: If the guide PAM resides...above are options, the algorithm silently mutates codons in the guide sequence, one by one, from the PAM...
  5. 28 Hot Plasmid Technologies from 2015

    Type
    Blog Post
    ...resistance gene (missing the first two codons). Two stop codons are inserted between the truncated gene...removing the stop codons during backbone digestion and providing the missing codons for functional antibiotic...-specific reverse primer containing the missing codons from the antibiotic resistance cassette, a ribosome...formed from primer dimers and containing the missing codons from the antibiotic resistance gene is inserted...the mRNA since they are tethered AFTER the stop codon. Thus a non-translated mRNA will appear yellow, ...variety of bio-orthogonal UAAs via a re-assigned stop codon (TAG). This polyspecificity enables the site-specific...in constitutive splicing studies and has been optimized for high efficiency splicing. If intron splicing...
  6. Rinehart Lab Phosphoprotein Reagents

    Type
    Collection
    ...of recoded E.coli (rEcoli XpS 192872 ) and an optimized phosphoserine orthogonal translation system (pSerOTS-C1... recoded strain of E. coli ( 68306 ) with the optimized phosphoserine orthogonal translation system ( ... and a new pSerOTS described in: System-wide optimization of an orthogonal translation system with enhanced...Improved Reagents (ca. 2015) described in: A flexible codon in genomically recoded Escherichia coli permits ...Escherichia coli protein synthesis via partial UAG codon reassignment and release factor 1 deletion. Heinemann...
  7. Hot Plasmids: Fall 2024

    Type
    Blog Post
    ...sequences for mScarlet3 and mScarlet-I3 that were codon-optimized for C. elegans and included artificial introns... for structural studies of E3 ligase cereblon Optimized mScarlet-based tags for live imaging in C. elegans.../10.1038/s41467-024-52871-9. PMID 39406745. Optimizing mScarlet tags for live imaging in C. elegans ...mScarlet3 was 50% brighter than the original worm-optimized wrmScarlet. mScarlet-I3, while initially dimmer... et al., 2024 under CC-BY license.  These optimized fluorescent proteins will be a useful addition...
  8. CRISPR Plasmids - Prime Edit

    Type
    Collection
    ...inhibit MMR PEmax - optimized PE2 enzyme containing RT optimized for human codons, additional nuclear ...PE2–PE5 systems PE6 - small prime editors with optimized RT and/or Cas9 domains PE7 - addition of RNA-binding...
  9. A Practical Guide to Optimizing AAV DIO and FLEx Vector Expression

    Type
    Blog Post
    ...information.  Optimize titer for the DIO/FLEx vector Once you have determined the optimal injection parameters...begin to optimize the DIO/FLEx vector. This step is essentially the same as what was used to optimize the ...the causes of off-target expression and ways to optimize experiments to minimize it. Overview of DIO/FLEx...frt-STOP-frt (FSF) sequence prior to an ATG start codon to prevent transcription in cells where the recombinase...created with BioRender.com   Strategies for optimizing expression So now that we know spontaneous recombination...promoter with in vivo experiments to determine the optimal/minimal injection titer and volume needed to achieve... injection titers and volumes to determine the optimal injection parameters needed to transduce your cells...
  10. How to Design Your gRNA for CRISPR Genome Editing

    Type
    Blog Post
    ...the TSS but you can worry less about sequence optimality because you generally have fewer sequences to...alternative ATG downstream of the annotated start codon. Likewise, we avoid target sites that code for amino...so many possibilities, picking a gRNA with an optimized sequence is of primary importance (more on this... for this technology, and the user may need to optimize numerous parameters to generate the desired edit...have a dozen or so gRNAs to choose from in the optimal location. It is also important to have good information...approximately equal importance in design – an optimized sequence will do little if it is in the wrong ...there are fewer gRNA to choose from, and thus an optimal sequence may not be available. Predicting gRNA ...
  11. Plasmids 101: Common Lab E. coli Strains

    Type
    Blog Post
    ...UAG) stop codon by glutamine insertion supF (tyrT)   Suppression of the amber (UAG) stop codon by tyrosine...designing your plasmid – you carefully selected the optimal promoter for your gene of interest, painstakingly...
  12. Resolute Plasmid Collection

    Type
    Collection
    ... Plasmids This plasmid collection contains codon-optimized ORF sequences for human SLCs in Gateway-compatible...
  13. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

    Type
    Blog Post
    ...without the need to find a llama farm! To find an optimally binding sybody, you want to start out with a large...protocol goes through 3 major steps to select for optimal sybody candidates. Figure 2: Outline of the...mRNA molecule in the library doesn’t encode a stop codon, which causes the ribosome to pause at the end of...
  14. 5 Great Apps for Lab Life

    Type
    Blog Post
    ... Lastly, the Tm calculator helps you set up an optimal PCR depending on the primer sequence and the NEB...pyrrolysine. I have found myself wishing that it had a codon list for each amino acid, but, overall AMINO can...
  15. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

    Type
    Blog Post
    ...guide that directs cleavage right before the stop codon!  Figure 3: How to design a C-terminal insertion...would be selected, since it cleaves at the stop codon TAG. Design your repair template with 55-100...template with 55-100 bp homology on each side. For optimal repair, place the loxP sites precisely at the cut...
  16. SARS-CoV-2 Pseudotyped Virus

    Type
    Collection
    ...infectious particle production, including codon optimization, deletion of the C-terminal 18-21 amino acids...
  17. Ligation Independent Cloning

    Type
    Protocol
    ... your gene of interest, in frame with the start codon or tag sequences (where appropriate). The primer...sterile water (instead of TE buffer) to ensure optimal salt concentrations in subsequent reactions. Step...
Showing: 21 - 40 of 72 results