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We narrowed to 954 results for: APP

Showing: 201 - 220 of 954 results

  1. New CRISPR Tools: Cas7-11 and PASTE

    Type
    Blog Post
    ...impact. In molecular and cellular biology, this happens through the development of tools that exploit and...observations, Koonin and Makarova found that Cas7-11 appeared to have derived from the more complex type III-A...experimental design and its potential for clinical applications. Specifically, efficacy rates of Cas7-11 were...patient's specific mutations. With a drag and drop approach, however, the specific mutations wouldn’t matter... the entire gene, allowing a one-size-fits-all approach to gene replacement therapy for most patients....PASTE). Finding the right integrase for this new approach proved a challenge. The old standby of CRE/flp...place, while increasing the number of potential applications. But they weren’t done engineering quite yet...

  2. Antibodies 101: Immunoprecipitation

    Type
    Blog Post
    ...control antibody. Alternative applications Oftentimes, an IP-appropriate antibody simply isn’t available...specificity of anti-epitope antibodies make this approach appealing, but the disadvantages must be carefully ...measure the target. However, the two different approaches allow for optimized strategies for differing ...target protein is then eluted. This method is appropriate for most situations.  A slightly different method...Protein A and Protein G are not suitable for all applications, such as protein isolation from serum. In this...capture antibody interaction and/or the downstream application. Typically, if the target protein will be detected...

  3. Microbes: Look, Listen, and Tell

    Type
    Blog Post
    ...cellular imaging with ultrasound. In his research he applies naturally occurring bacterial “molecular buoyancy...biomolecule-based dyes. This technology is widely applicable as bacterial expression of dyes allows dye visualization...acoustic reporter genes’ on our blog. Creative approaches to presenting the microbial world After learning...the lab, I was excited to learn about creative approaches to visualize bacteria in an educational setting...setting. The Symposium on ‘Creative Approaches to Presenting the Microbial World’ showcased complex connections...connections and ideas in various visualized approaches from hand-drawn comics (Dr. Sanja Saftic) to educational...makes scientific topics both interesting and approachable!   The grand finale of visual impressions was...

  4. Let There Be LITE Plasmids

    Type
    Blog Post
    ...effectors (TALEs) as anchors for genome engineering applications was still very new. Now, Konermann and her colleagues...just how flexible their LITE system could be by applying it to altering gene expression via epigenetics...light retraction. Finally, because light can be applied non-invasively, its use is not restricted to cultured...optogenetic tools." In total, the researchers applied the LITE system to 28 different genes to establish...cellular processes." The LITE system can now be applied to unraveling the genetic and epigenetic players...disease states. While LITE plasmids have clear application to anyone with an interest in neuroscience, their...elegans and in Plasmodium. For those who do want to apply LITEs for the transformation of neurons, she offers...

  5. Three Key Considerations for Precise Neuronal Targeting Using AAV Technologies

    Type
    Blog Post
    ...experimental approach you choose, it’s essential to consider the technical limitations of each approach and to...affect the phenotype. Viral vectors and genetic approaches are continuously refined and developed so there.../loxP or Flp/FRT, with AAV vectors are common approaches to control transgene expression by restricting...post-translational regulatory elements. Examples of these approaches are given in Tables 3-7. 3. Making use of AAV...populations using viral strategies Combining different approaches can increase the specificity of cell targeting...experimental design and data. With these different approaches to open science, we aim to accelerate the rate...

  6. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

    Type
    Blog Post
    ...Polyethylene Glycol (PEG), although the application of this approach is limited to protoplast cells (plant...current CRISPR research focuses on its potential applications for human medicine (Waltz, 2016), the potential...desirable traits using traditional plant breeding approaches, these techniques are cumbersome, often requiring...selected the correct CRISPR components for your application, it is time to deliver these components to your...find many plasmids for a wide variety of CRISPR applications in plants available through Addgene. In addition...N (2016) The CRISPR/Cas Genome-Editing Tool: Application in Improvement of Crops. Front Plant Sci 7: ....10.1073/pnas.1818290116 Zhu H, Li C, Gao C (2020) Applications of CRISPR–Cas in agriculture and plant biotechnology...

  7. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

    Type
    Blog Post
    ...in the blood. But the virus doesn’t completely disappear; it just hides in latently infected cells. To ...of the integrated HIV-1 genome. For a targeted approach, Zhang et al. turned to the CRISPR/Cas9 Synergistic... essential to HIV-1 replication. However, this approach could permit some viral protein production, so...animal models, and it’s difficult to tell if one approach might be more successful. “Shock and kill” has...HIV-1 to deplete the viral reservoir, and this approach doesn’t require a functional Cas9 nuclease, so... reservoir spans multiple organ systems. Both approaches may prove more successful early in the course...for either “shock and kill” or viral excision approaches, and each of these gRNAs will need to be validated...

  8. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    ...suitability of a systemic capsid for an individual application is dependent on a number of factors, including...test your chosen capsid before using it in an application.     Figure 1: AAV toolkit for targeted...doses are recommended for all systemic capsid applications. For example, AAV-PHP.eB is typically administered...capsids or transgenes. Sensory neurons and liver appear especially susceptible to off-target transgene ...experimentally determine the best titer for your application.   Pro tip!Want to know if a capsid is a good...always, validate the capsid for your specific application and animal model.  Other model organisms Tropism...astrocytes or oligodendrocytes when paired with appropriate cell type-specific promoters or Cre lines. Spatial...

  9. Antibodies 101: Epitope Tags

    Type
    Blog Post
    ...experienced. Finding an antibody that works for your application, specifically detects your protein, is species...and have been widely used across species and applications. In this blog, we will review the most common...not exist, or they don’t exist for a specific application, or they exist but are unreliable for a variety...almost certainly already been optimized for your application. Depending on the tag, directly imaging or tracking...our affinity purification tag blog!).   Applications of epitope tags   The tags A number of...with moderate to high success rates across all applications. You can find FLAG antibodies on Addgene’s catalog... biochemical fundamentals to commercial systems. Appl Microbiol Biotechnol. (2003) 60:523-533 DOI: 10.1007...

  10. Hot Plasmids: FRET-Based Biosensors

    Type
    Blog Post
    ...out that the approach he and his colleagues took to optimize sensitivities can now be applied to dozens ...Because they are chemical compounds, they have to be applied or injected, and they don’t always end up where...lymphocytes, too, making them a versatile tool for application in both neuroscience and immunology. Don’t be...FRET-based sensors. For example, his team is now applying it to improve upon an indicator they developed... calcium versus zinc should require the simple swapping of binding domains, in practice optimizing the... large dynamic range,” he says. Merkx recently applied this “trick” to the development of additional color...

  11. Scientific Reproducibility - Focusing on Solutions at the Minisymposium on Reproducibility

    Type
    Blog Post
    ...reproducible if its findings can be predictably applied to future work. Importantly, no one should expect...studies, as reported by drug companies attempting to apply the findings from these studies, are quite low (...low rates of reproducibility. Failed attempts to apply irreproducible results to future work cost both ...solutions based on what I’ve learned. I hope you can apply some of these solutions to your own research and...ridiculous to expect that one should be able to apply someone else's new and incredibly useful technique...information about fluorescent proteins so you can best apply these technologies to your own research needs. Other...evidence shows otherwise. Others will go on to try to apply these findings in their own work ultimately wasting...

  12. Technique: Probe Phage Genomes for Host Binding Proteins

    Type
    Blog Post
    ...interesting, much of what a phage faces as it approaches a host cell surface are complex polysaccharide...involves digesting phage genomic DNA into 1-3 kb (approximately gene-sized) fragments so that these fragments...competent E. coli and analyze transformants for appropriately sized inserts. We consider a library worth using...-side up onto a fresh LB plate containing an appropriate inducing agent (0.4 mM IPTG is a good start if...organism and incubate overnight according to appropriate cell growth conditions. Note: if using fast-growing...Franklin L., et al. "Revisiting phage therapy: new applications for old resources." Trends in microbiology 23.4...Mirzaei, and Anders S. Nilsson. "Adapting drug approval pathways for bacteriophage-based therapeutics....

  13. Finding Your Perfect Job After University

    Type
    Blog Post
    ...received many applications, employers were requesting that only scientists with an MSc or higher apply. It was...scientific research would be very competitive, and so I applied for a summer role as a Research Scientist at the... edge of London to gain relevant experience. I applied for this summer position as I felt I needed more...I had to reassess what I wanted to do and so I applied for a role in Industry. I wanted to get "a real...university to study a Masters of Science I decided to apply to study a Master of Science (MSc) in Human Molecular...virology classes in California and enjoyed them, so I applied for a role at a commercial virology testing company...enjoy helping people and decided to compromise and applied anyway. I later found out the job was with Addgene...

  14. Using CRISPR/Cas9 to Edit Disease Out of the Genome

    Type
    Blog Post
    ...the technology in different labs for different applications.” Li’s team noted that CRISPR/Cas9 has been ...disease. Meanwhile, Hans Clevers and colleagues applied CRISPR to disease correction in adult stem cells...to be perfected until the efficiency of repair approaches 100 percent. “We need to be sure it's accurate...repair,” Doudna said. “And it can't be too hard to apply. These papers suggest it might work well enough ...with size limitations. In addition, non-viral applications are also possible through the use of nanoparticles....  “CRISPR Genome Editing Technology and its Application in Genetic Diseases: A Review.” Current pharmaceutical...4. Uddin et al. 2020.  “CRISPR Gene Therapy: Applications, Limitations, and Implications for the Future...

  15. Trading Spaces - Visiting Scientist Edition

    Type
    Blog Post
    ...out some feelers, apply to programs, and apply for travel grants. Good luck and happy travels! Resources...workdays will be carried out until the end of the appointment. The visiting scientist could be a graduate student...visiting positions within defined labs which you can apply to. These structured types of placements often have...are your options if neither of these situations apply to you? Once you’ve identified one or more labs ...mentor can help get the ball rolling! If you are applying to a structured program, they likely have guidelines...

  16. Enabling Precision Functional Genomics with the Target Accelerator Plasmid Collection

    Type
    Blog Post
    ...and most patients still don’t benefit from this approach. One central bottleneck is that most recurrently...computational algorithms, such as SIFT or PolyPhen to approach this challenge, using attributes of cancer variants... would be extremely helpful as a complementary approach. Also, in principle, these experiments could find...sequencing studies (as well as reference cDNA clones mapping to well-annotated cellular pathways). It wasn’t... designed to complement the one assay per gene approach that has been the historical standard. Specifically...team have recently demonstrated the power of this approach: Phenotypic Characterization of a Comprehensive...technical feasibility and proof-of-concept. If such approaches are proven to improve future clinical decisions...

  17. Hot Plasmids - May 2022

    Type
    Blog Post
    ...Proximity-dependent labeling has become a powerful approach for proteomic mapping in both cell culture and whole organisms...organisms (see our 2019 overview). Until recently, the approach has been hampered by the need to tag each protein...provides researchers better flexibility and makes the approach more accessible, as it reduces the need to generate...optimized with zebrafish in mind, it can easily be applied to other systems.    Find BLITZ Plasmids here! ...Targeted Evolution method (M-CREATE), in which one applies both positive and negative selective pressures ...clonal multiplexing of cells in live imaging application. Each visual barcode consists of a fluorescent...

  18. RNA Interference in Plant Biology: New Tools for an Old Favorite

    Type
    Blog Post
    ...RNAi) is a conserved eukaryotic process where approximately 20-30 nucleotides of double-stranded RNA (dsRNA...silencing can be easily induced by exogenous application of long or short dsRNA. However, it is important...have benefited from the ease of use in dsRNA applications. Figure 1: Schematic of an RNAi-inducing... two. Consequently, I will focus on different approaches and considerations present at the first stage...long-term RNAi phenotype. Long hairpin RNA The easiest approach to induce RNAi involves the expression of long...RNA The greatest limitations of the long hpRNA approach are thought to be off-target effects and variable...your gene(s) of interest and the reporter. This approach greatly enhances experimental throughput, as silencing...

  19. Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering

    Type
    Blog Post
    ...best for insertions or deletions greater than approximately 20 nucleotides, while ssDNA substrate is best...regions flanking the target site).  The best applications for dsDNA inserts include: large insertions ... used in limited circumstances. An alternative approach is to flank the desired change with 4-5 silent...Uses in Recombineering Substrate Best Suited Application Recombination Frequency Special Considerations...can be modified with any of the below described approaches.    Bacterial strain with integrated defective...requires drug selection.  One drawback to this approach is that it requires the generation of bacteriophage...modification into a different background, if needed. This approach is best suited for modifying plasmids or BACs ...

  20. Human Germline Editing Using CRISPR

    Type
    Blog Post
    ...While repair using endogenous chromosomal DNA is appealing for heterozygous mutations, it will clearly be...consider that already-tested CRISPR alternatives are applicable in many situations. In the case of hypertrophic... need to be much, much lower before clinical applications could be considered. It is important to consider...consider the question of broader applicability of CRISPR germline editing. Nature News mentions that the...between CRISPR repair in embryos and iPS models, it appears that embryo research is the only way to answer ...answer questions of efficiency and applicability. Given moral and ethical concerns surrounding such research...experiments are needed before we can consider clinical applications for germline editing. Although this paper represents...
Showing: 201 - 220 of 954 results