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Showing: 421 - 440 of 514 results
  1. Chemogenetics vs. Optogenetics: Which Method Should I Choose?

    Type
    Blog Post
    ...Minamimoto’s lab known as deschloroclozapine (DCZ) has been developed to meet these requirements. TL;DR..., both techniques offer researchers different advantages and limitations.  The four main factors in which...allow for light delivery. Chemogenetics poses the advantage of being less invasive and more flexible as it...controlled EndogenousNot easily controlled Unique advantages Mapping the brainDissecting circuits Studying...
  2. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

    Type
    Blog Post
    ...might be more successful. “Shock and kill” has the advantage of killing cells infected with HIV-1 to deplete...tough job! Kamel Khalili’s lab at Temple University has demonstrated two potential strategies for CRISPR-... treatment with CRISPR/Cas9 SAM increased the percentage of cells with activated HIV-1, measured via HIV...
  3. A new platform for fast functional characterization of potentially cancerous mutations

    Type
    Blog Post
    ...characterization of over 1,000 mutations, and the group has deposited several hundred plasmids from this study...lentiviral constructs using the High-Throughput Mutagenesis and Molecular Barcoding (HiTMMoB) technique (... any mutations that that confer proliferation advantages will be revealed in the absence of growth factor...
  4. Our New Antibody Mascot is....

    Type
    Blog Post
    ...fact, they’ve been following a set of clues that has led them to their biggest discovery yet: Addgene ...submit your name suggestions here or by using the hashtag #AntibodyMakesThree on Twitter. As with Blugene...
  5. Rabies and Neuronal Tracing

    Type
    Blog Post
    ...transsynaptic spread is useful for neuronal tracing, it has two practical limitations. First, these high levels...projection neurons). Research into these phenomenon has shown that the RABV G protein is necessary and sufficient...monosynaptically from these cells. These modifications take advantage of the fact that RABV is an enveloped virus. In...
  6. Visualizing Translation at the Single Molecule Level

    Type
    Blog Post
    ... disrupting ribosome-mRNA complexes. Recent work has adapted this technique to monitor local translation...contains 24 copies of SunTag, a synthetic scaffold that can recruit GFP fused to the SunTag-specific antibody...Imaging by Coat protein Knock-off) instead takes advantage of the ribosome’s movement. When the ribosome ...indicating translational repression. During later stages, single RFP-labeled osk and Oskar protein were ...scFv. Each time the reporter is translated, the SunTag sites on the nascent polypeptide recruit scFV-GFP..., as the authors of these papers did. Since the SunTag-based system tethers mRNAs to the plasma membrane...Additional Resources the Addgene Blog Learn More about SunTag Catch up on Your GFP Background Choose the Brightest...
  7. Viral Genome Sequencing - A One Stop Shop for AAV Identity and Serotype Confirmation

    Type
    Blog Post
    ... AAV quality control Historically, AAV vector QC has been sparse including only titration of AAV particles... used SMRT sequencing, TA-based ligation and tagmentation-based methods for AAV genome sequencing (Tai...self-complementary AAVs and the TA-based ligation and tagmentation preparation approaches described previously ...single-stranded and both TA-based ligation and tagmentation require a double-stranded template.  Using viral...the mix to serve as effective substrates for tagmentation-based library preparation procedures. This finding...packaging plasmids. We decided to use this to our advantage by designing a Python script that looks for pre-defined...
  8. AAV ddPCR Titration

    Type
    Protocol
    ...sealer and press the ‘Seal’ button. After the plate has been sealed, proceed to thermocycling. Thermal Cycling...CGGCCTCAGTGAGCGA ITR Reverse Primer: 5’-GGAACCCCTAGTGATGGAGTT ITR Probe: -FAM-CACTCCCTCTCTGCGCGCTCG-BBQ...
  9. Plasmids 101: Codon usage bias

    Type
    Blog Post
    ...native organism.” This is possibly a better idea and has been used successfully in the past (Angov et al.,...functionally analyze the protein produced to ensure that it has folded properly. You may be able to avoid getting...normally found at low abundance in E. coli. The advantage of producing additional tRNAs is that you can ...
  10. How to Write a Scientific Review Article

    Type
    Blog Post
    ...requires. Using the (Last name, Year) format also has the benefit of exposing you to relevant researchers...just gotta do it." At the end of the day, someone has to write the article and that someone is going to...retreat to the woods for months at a time, so take advantage of whatever time you have. If you’re like me, ...
  11. CRISPR 101: Cytosine and Adenine Base Editors

    Type
    Blog Post
    ...combining the function of both editors into one? This has been done by fusing the adenine and cytosine editing...deaminases with a Cas9 nickase (Zhang et al., 2020). It has increased CBE activity and reduced RNA off-targeting...engineering and directed evolution of the TadA domain has yielded base editors that are equally efficient at...which uses a different mechanism than base editing, has allowed scientists to replace entire sequences of...properties of the individual Cas9. They also mutagenized the cytidine deaminase portion of the base editor...
  12. Management for Scientists: Managing vs. Leading

    Type
    Blog Post
    ...leadership. Perhaps one of your advisors or mentors has urged you to work on developing your “leadership ...just have to know it when you see it? “The Three Stages of Your Career: Doer, Manager, Leader” by Charlotte...importance of these very different roles. At any stage in our careers we may be in a cycle of doing, managing...
  13. Recombinase-based State Machines Enable Order-dependent Logic in vivo

    Type
    Blog Post
    ...in state machine technology? Biological research has produced a massive amount of information regarding...two-input gene regulation programs. The software has two components - a database of pre-compiled register...reporter-based) each come with their advantages and disadvantages. Sanger sequencing is simple and the...
  14. Cancer and the Immune System: Deciphering the Relationship

    Type
    Blog Post
    ...possible angle to leave no stone unturned, but cancer has been producing landslide after landslide, only adding...used immunotherapeutic agents. Currently the FDA has 12 approved monoclonal antibodies targeting the PD-L1...bacteria, the tumor cells that escape the elimination stage acquire genetic alterations and alter cell-surface..., by way of favorably attaining the equilibrium stage. This can be called “stalemate equilibrium” where...the acute immune responses that eliminate early stage cancer cells, chronic inflammatory responses can...
  15. An Introduction to Adenovirus

    Type
    Blog Post
    ... virulence (Tollefson et al., 1996) – cell death has been reported when using vectors, and immune inactivation...the infection to sometimes result in cell death, has led to interest in using adenoviral vectors for vaccine...death protein (E3-11.6K) is required at very late stages of infection for efficient cell lysis and release...
  16. Antibodies 101: Flow Cytometry Controls

    Type
    Blog Post
    ...rather than for setting up your initial voltages and gates. Ashlyn has a research background in CD8+ T cells...color controls are used to help you set up your voltages and can also be helpful for compensation. You ... cells. This can be achieved by adjusting your voltage using your single color controls (Figure 1A), instead... using beads and not experimental samples, the voltages and compensation you set from your single color...
  17. Plasmids 101: Plasmid Incompatibility

    Type
    Blog Post
    ...high for both plasmids, so each plasmid “thinks” it has a higher copy number than it actually does, and neither...large, low copy virulence plasmids. This strategy has been successful in displacing, or “curing” the virulence...Using plasmid incompatibility for therapeutic advantage Although it may seem like plasmid incompatibility...
  18. Advanced Uses of Cre-lox and Flp-FRT - A Neuroscientist’s View

    Type
    Blog Post
    ...FLP efficient The first version of FLP discovered has a temperature optimum of 30 °C and is therefore inefficient...evolution led to the identification of FLPe which has a temperature optimum of 37 °C (Buchholz, Angrand...Properties of FLP Recombinase Evolved by Cycling Mutagenesis.” Nature biotechnology 16(7): 657–62. PubMed ...
Showing: 421 - 440 of 514 results