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We narrowed to 1,010 results for: RING;

Showing: 291 - 300 of 1010 results

  1. Mouse Modeling, Part 1: Genetically Engineered Mice

    Type
    Blog Post
    ...population. Outbred strains of mice are useful for comparing dominant and recessive traits and their impact...or treatments, but are not useful for genetic engineering. Examples of outbred strains include Swiss Webster...generating knockin mice but because CRISPR/Cas9 engineering favors DNA repair via non-homologous end joining...have errors introduced to the nucleotide sequence during the DNA repair process. The addition of small molecules...to transgenic mice, knockout mice are engineered during the embryonic stem cell stage using one of several...blog posts about using Cre-lox Read our genome engineering blog posts Resources on Addgene.org Find more...more about Cre-lox Read our Genome Engineering Guide Learn more in our CRIPSR guide ...

  2. Progress Towards a PAM-Free CRISPR

    Type
    Blog Post
    ...guide sequence for your genome engineering experiment. With CRISPR entering the clinic for correction of...structure-guided engineering of the PAM-interacting domain of Cas9. After multiple rounds of engineering, they developed...PAM right where you need it, the odds of this occurring are not in your favor. Thus, there is a need to...coverage in the human genome. SpRY Cas9 has PAM sites covering the majority of the genome! Want to get your...Requirement and Expanding Beyond Cas9 xCas9: Engineering a CRISPR Variant with PAM Flexibility History...

  3. Viral Vectors 101: Calcium Sensors

    Type
    Blog Post
    ... Cold Spring Harbor Protocols. 2012 Jun 1;2012(6):pdb-top069609. Palmer AE, Tsien RY. Measuring calcium...concentrations. This will reduce noise and ensure you are measuring the events-of-interest. Sensors suitable for ER...reporters use a single fluorescent protein (FP), requiring only a simple measurement. However, single wavelength...sites per sensor (to decrease unnecessary calcium buffering and to increase sensitivity), and is a great FRET...expression and integration within the target cells, ensuring more consistent and reproducible results in calcium...subtypes for efficient expression and downstream monitoring. This targeted approach allows scientists to ...

  4. Viral Vectors 101: Chemogenetics

    Type
    Blog Post
    ...In order to understand the complex wiring of the brain and the underpinnings of neurological disease,...manipulating cell activity, especially neuronal firing. What is chemogenetics? Chemogenetics relies on...looking at immediate effects of specific neuron firing are better equipped using fast-acting optogenetic...receptors can be used to alter excitability by lowering or raising the threshold for signaling. The two...for neuronal signaling and causes neuronal burst firing. Other DREADDs, such as the KORD receptor, increase...The Power of the Lock, the Weakness of the Key. Favoring the Pursuit of Specific Conditions Rather than...Carpenter JC, Snowball A, Knauss S, von Schimmelmann M, During MJ, Lignani G, Schorge S, Young D, Kullmann DM,...

  5. Tips for Technical Support Calls

    Type
    Blog Post
    ...amount of time. Though I now spend far less time answering help emails and phone calls, I feel compelled ...can be a particularly good resource if you are considering using a reagent for “off-label” purposes. When... than you might think. The Addgene scientists answering the phone are smart, but they cannot (and should..., but many bio companies have real scientists answering their technical support questions (besides Addgene...Addgene, I know both Abcam and NEB have Ph.D.s answering emails and phones). We can’t be experts on every...-up when things get crazy. Take home message Answering customer service questions is a delicate balance...Once You Recieve Them Get Help with the Addgene Ordering Process ...

  6. CRISPR 101: Anti-CRISPR Proteins Switch Off CRISPR-Cas Systems

    Type
    Blog Post
    ... while engineering viruses Acr genes can be used as positive selectable markers in engineering viruses...Acr proteins can also be used to prevent dCas9 tethering to DNA. Since these early anti-CRISPR studies,...dimerize which blocks the PAM recognition site (Harrington et al., 2017). Inhibit crRNA loadingExample: ...domain of Cas9 and prevents target DNA cleavage (Harrington et al., 2017). Figure 1: Anti-CRISPR proteins...436–439 . https://doi.org/10.1038/nature22377 Harrington LB, Doxzen KW, Ma E, Liu J-J, Knott GJ, Edraki... EJ, Maxwell KL, Davidson AR (2016) Naturally Occurring Off-Switches for CRISPR-Cas9. Cell 167:1829-1838...

  7. 5 Tips for Troubleshooting Viral Transductions

    Type
    Blog Post
    ..., the vector may undergo genomic rearrangements during replication. To avoid genomic rearrangements, try...store freshly harvested virus at 4 °C instead of storing it briefly at -80 °C. If troubleshooting, the safest...increased by concentrating a viral stock. Different titering methods can reveal differences in physical versus...result of plasmid integration via recombination during transfection, and does not necessarily indicate... infect the packaging cells. Another method of ensuring viral production is to perform PCR against components...adoptive immunotherapy." Acute Leukemias VIII. Springer Berlin Heidelberg, 2001. 291-306. PubMed PMID:...Yezzi, and Barbara R. Young. "Recombination events during integration of transfected DNA into normal human...

  8. The Materials Science of Optogenetics Experiments

    Type
    Blog Post
    ... important consideration when preparing the implant itself, which brings me to the second key point; the...cable to the ferrule implant must be maintained during the entire protocol, otherwise optical stimulation...it to a patch cable connected to the laser and measuring its output with a light meter before and after...that one laser can stimulate only a single animal during the course of an experiment. There are a number..., 6]. These have the obvious advantage of not requiring patch cable connection to the laser, which affords...science writing. Derek is also a pianist and an aspiring composer. View his blog drsimonsaysscience.org...

  9. Story of a SynBio Startup: RevBio's Epiphany (or Lack Thereof)

    Type
    Blog Post
    ...of Revolution Bioengineering.  Last year we started a company. Revolution Bioengineering is two responsible...so hard that we upended our lives and took this daring risk? What moment changed our whole outlook on ... We both had an applied science bent, so the engineering aspect of this job appealed to us. However, since...thinking about how we could bypass the establishment hiring system altogether. We had a lot of ideas about ...molded the whole thing into a marketable product. During this process, we had an idea that survived the ...outside of Washington D.C. and has always enjoyed exploring the outdoors and experiencing nature first-hand...

  10. 15 Hot Plasmids from 2017

    Type
    Blog Post
    ...experiments simultaneously measuring the activities of CaMKII and RhoA during induction of structural plasticity...type. To this end, they constructed AAV plasmids bearing one of the distal-less homeobox 5 and 6 (Dlx5/6...“caged” by fusion to specific domains thereby rendering them inactive in the cytoplasm. The authors use... Segment on PhoCl LSSmCherry1 & RDSmCherry1: Engineering and directed evolution of new RFP variants The... length with TZAP Multiplexible plant genome engineering toolkit The Voytas Lab at the University of Minnesota...used for either TALEN or CRISPR -based genome engineering across a variety of plant species. This toolkit...variety of promoters for versatile and robust engineering. These components are provided in Golden Gate...
Showing: 291 - 300 of 1010 results