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We narrowed to 968 results for: lat

Showing: 441 - 460 of 968 results

  1. Back to Bacteria: CRISPR gRNA Multiplexing Using tRNAs

    Type
    Blog Post
    ... promoter, gRNA and pol III terminator. These relatively large cassettes (considering the gRNA itself ... vector. In addition, the pol III promoter is relatively weak, and low expression of gRNAs from these ...deletions of other regions, such as noncoding RNAs or regulatory elements, to examine their function. Bacteria... of polycistronic gene organization, and its translation to CRISPR/Cas9 shows great potential for multiplexed...gRNA Multiplexing Multiplexed and programmable regulation of gene networks with an integrated RNA and CRISPR...

  2. CRISPR 101: Non-Homologous End Joining

    Type
    Blog Post
    ...aren’t, so repeated cycles will favor accumulation of the latter products. As noted above, a single cycle...repair, as there is no requirement for a repair template (sister chromatid or homologue) or extensive DNA... repair should take less than an hour, thus a population of cells constitutively expressing a targeted...NHEJ-dependent repair (“pop-in” insertion) provided a template containing compatible overhangs is available. ...

  3. Will You Be My Mentor? Finding and Asking for Mentoring Support

    Type
    Blog Post
    ...watch my webinar, “Not Networking 101-Building Relationships for Success”. Choose 1-2 tactics to try. One...be a bit random because you never know which relationships will take off, or who your new contact will ...current organization but also important to build relationships outside your organization. The mentor in your... doing it again next month?” Some mentoring relationships grow naturally out of friendships or work interactions...other ways they can help you grow. Mentoring relationships can last for an hour or for a year. Some click...

  4. Rosella: A Fluorescent pH-Biosensor for Studying Autophagy

    Type
    Blog Post
    ...non-selective macroautophagy of the cytosol leads to accumulation of Pho8Δ60 in the vacuole, where it is cleaved...structures based on morphology. Autophagosomes are relatively easy to identify: double-membraned structures... GFP allows for tracking the localization or accumulation of pre-autophagosomal structures, autophagosomes...comprised of two tandem fluorescent proteins: a relatively pH-insensitive RFP variant, DsRed.T3 and a pH-sensitive...induce autophagy, red but not green fluorescence accumulates in the vacuole. See Figure 2 for an example of...

  5. Uncertainty about Labor Law Brings More Uncertainty to Postdoc Wages

    Type
    Blog Post
    ...better salary increases that those in less densely populated areas. This assumption does not appear to hold...not getting a raise. Meanwhile, in less densely populated places like the University of Kansas and the University...say, salaries are showing surprisingly little correlation with cost of living at the location of the institution...important step forward in helping the postdoctoral population continue to pursue academic work, and to enhance...scientific enterprise by reducing the postdoctoral population which keeps growing despite a lack of available...

  6. Antibodies 101: Conjugation

    Type
    Blog Post
    ...low abundance targets. Check out our post on Biotinylation to learn more about biotin and its use in molecular...groups from cysteines, or carbohydrates from glycosylation (Dennler, et al., 2015). However, there are ...Endogenous carbohydrates added to antibodies post-translationally. 4) Modifications made to antibodies, such ...2015) Antibody Conjugates: From Heterogeneous Populations to Defined Reagents. Antibodies 4:197–224. https...The Basics of Western BlottingPlasmids 101: Biotinylation Resources on Addgene.org Unconjugated antibodies...

  7. CRISPR Activators: A Comparison Between dCas9-VP64, SAM, SunTag, VPR, and More!

    Type
    Blog Post
    ... to specific sequences, causing targeted gene regulation. This can be used to activate transcription during...generation” CRISPR activator. While it requires a relatively simple construct, it exhibits modest levels of...activation experiments. In cases of multiplex gene regulation (activating multiple genes at once), however,...construction: it relies on antibody chains, which are relatively large and are not expressed consistently throughout... WA (2013) Repurposing CRISPR as an RNA-Guided Platform for Sequence-Specific Control of Gene Expression...

  8. Plasmids 101: The Wide World of Natural Plasmids

    Type
    Blog Post
    ...can spread between hosts through horizontal (or “lateral”) gene transfer. Horizontal gene transfer can occur...specialized degradative capabilities are often tightly regulated to be active only in the presence of the target...rapid spreading of genetic material through a population of cells. Cryptic plasmids: microbial mysteries...organization doesn’t necessarily reflect genetic relationships or plasmid incompatibility. Plasmids may also...2004). Cloning Vectors Based on Cryptic Plasmids Isolated from Lactic Acid Bacteria:Their Characteristics...

  9. Viral Vectors 101: Calcium Sensors

    Type
    Blog Post
    ...crosslinking agent, a signaling ion, and an allosteric modulator. Because of its importance, scientists have developed...understand how this metal ion is trafficked and regulated. In this blog we will explore some of the most...and organs noninvasively and target a defined population of cells (e.g., a neuron subtype) and specific... calcium. It has been applied to mark active populations of neurons in vivo to study circuit activity.... allows scientists to focus on specific cell populations of interest. Many of the calcium sensors described...

  10. Mouse Modeling, Part 1: Genetically Engineered Mice

    Type
    Blog Post
    ...understanding a specific effect related to an experimental manipulation. Common inbred strains include ...in the population, meaning they more closely mimic the genetic diversity of the human population. Outbred...controlled through a drug or small molecule that regulates Cre expression. The most common drug used to induce...

  11. Engaging with science and society at pgEd

    Type
    Blog Post
    ...following the latest developments in genetics research, their applications and regulatory policies; keeping...traditional and social); and synthesizing and translating all these into social media and blog posts, lesson...symposia, or courses in social, health or policy-related topics, as time permits. Also seek out opportunities...scientific research does not happen in a vacuum that is isolated from the rest of society or devoid of social context...

  12. Overcoming the Challenges of Lentiviral Production

    Type
    Blog Post
    ...precipitation. All of these methods ultimately isolate the viral particles allowing you to concentrate...be optimized prior to starting. We recommend calculating the ratio of the surface area of the larger vessel...example, while the PEG precipitation method is relatively inexpensive and does not require an ultracentrifuge...titering. Typically researchers will choose a relatively permissive cell line for titering in order to...information provides a great starting point, it may not translate to the target cell line. To overcome this issue...

  13. Popular Retroviral Vectors and Their Uses in Scientific Research

    Type
    Blog Post
    ...diseases. Additionally, retroviral vectors can regulate gene expression by delivering shRNA or miRNA. ...vector systems Gamma-retroviral vectors have a relatively high transduction efficiency, but in contrast...and lentiviral vectors that are used for gene regulation, gene of interest expression, knockout, and screening...Consortium, also known as the Genetic Perturbation Platform, to produce their shRNA library to support functional...genetic power and allows high throughput genetic modulation studies in mammalian cells and tissues. This ...

  14. Hot Plasmids and Viral Preps - March 2021

    Type
    Blog Post
    ...assembly By Eric Perkins Though it’s easy enough to contemplate DNA in terms of its sequencing, in vivo studies...targeting a specific chromatin feature (e.g. a methylated histone such as H3K27me3), a linker between these... are sensor-actuators, either transcriptional regulators or chromatin-modifying enzymes. The speed and...used to bring cargo, such as protein or DNA, to manipulate function in receiver cells. There are over 40... G-baToN provides versibility in tracking and modulating the interactions between cells.      Tang et...

  15. Experimenting in an Open Source lab: from CRISPR to Cats

    Type
    Blog Post
    ...OpenWorm project. The main goal of OpenWorm is to simulate C. elegans as a computer model. When I first heard...biology of the worm into a computer model that recapitulates how molecular biology impacts worm locomotion...neuron knockouts so that we can perturb factors related to worm motion. Working on the Cat Microbiome Project... have members looking at how to re-use it as a platform for monitoring homemade microfluidic chips using...using the fantastic optics and fluidics platform it contains. Biotech equipment becomes obsolete amazingly...

  16. Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells

    Type
    Blog Post
    ...(Lukashev et al., 2016). The protein capsid encapsulating the genome is majorly composed of three proteins...genes. For this you would need to provide a DNA template to repair the double strand break via homology...Cas9/sgRNA and one vector for your specific DNA template. Using this two vectors system, Manuel Gonçalves...This technology therefore represents a potential platform that could be realized via simple switching of...tools can also be used to deliver Cas9 and DNA templates in somatic cells of adult animals in order to ...

  17. Transferable Skills: Negotiation

    Type
    Blog Post
    ...I would mainly do over the price of a used car. Later, as I applied for jobs, I knew I should negotiate... the ultimate resolution can involve ideas not related to the actual data collection task but still be...negotiation skills will help you strengthen relationships with your colleagues and supervisors and lead...negotiation skills are key to maintaining and growing relationships with your colleagues within and outside of your... what you want and can also strengthen your relationships with others who know that working with you will...

  18. The Scientific Conference Poster Session: Tips for Success

    Type
    Blog Post
    ...attending the session, and what is their background relative to your research? Tailor your language to your... you may receive. People often ask about the relationship of your work to recently published papers or...audience just that. Explain what you do know about a related topic, and let them know while you appreciate the...collaborate with a group who presented on a topic related to your research? Find a way to get in contact ...affiliation from the poster heading to get in touch at a later time. With these tips in mind, you’ll be geared ...

  19. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    ...bacterial pellet for the remainder of the cultures and later maxiprep only the cultures with intact ITRs. I use...solution. PEG takes several hours on a heated stir plate to dissolve and requires monitoring so that the ...qPCR Protocol for more details. Pro Tips When calculating the titer for your AAV, remember to account for...plasmid, not that I would know about this… A no template control (NTC) should always be included. While...tool for gene expression in mammals Use the PEI calculator for planning AAV packaging transfections Find...

  20. Plasmids 101: 5 factors to help you choose the right cloning method

    Type
    Blog Post
    ... vector and your insert, DpnI digest away the templates, and transform the PCR products into E. coli. ...will require a PCR reaction or two to generate templates for the cloning process. Time spent actually doing...restriction enzyme and ligase based cloning is a relatively inexpensive way to get the job done, provided...because the T4 polymerase needed for this method is relatively inexpensive and can be obtained for about $70... or purify DNA fragments from gels. If you’re relatively new to the cloning game, however, or simply looking...
Showing: 441 - 460 of 968 results