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We narrowed to 1,075 results for: TOR

Showing: 421 - 440 of 1075 results

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

    Type
    Blog Post
    ...deaminase-mediated base editing (cytosine base editor or adenine base editor) and reverse transcriptase-mediated ... et al., 2019). Both cytosine base editors and adenine base editors have been developed for plants and...CRISPR has taken the genome engineering world by storm owing to its ease of use and utility in a wide variety... al., 2013). Nuclease dead Cas9 (dCas9) based activators (such as dCas9-VP64) or repressors (dCas9-KRAB...variety of Agrobacterium-compatible, Cas9 containing vectors ready for Golden Gate mediated cloning of your ... the Patron Lab.  As with all plasmids in the repository, we highly recommend reading the associated publications...Z, Wang Y, Wang X (2019) Rescue of a plant cytorhabdovirus as versatile expression platforms for planthopper...

  2. Using Phosphoserine to Study Protein Phosphorylation

    Type
    Blog Post
    ...contributed by guest blogger Natalie Niemi, a postdoctoral fellow at the Morgridge Institute for Research...phosphorylation sites. If knowledge of a candidate regulatory kinase is known, it’s possible to generate non-phosphorylated...Often, however, researchers lack knowledge of the regulatory kinase, access to active kinase for the reaction...tRNA with phosphoserine A specialized elongation factor that allows proper extension and translation of...synthetase, and EF-Sep – an optimized elongation factor that accepts Sep-charged tRNAs during translation...This modification allowed the deletion of release factor 1, the protein responsible for terminating translation...TOPO E17TAG GFP and pGEX-6P-1. The pCRT7 NT TOPO vector contains a mutant pSer-containing GFP that can ...

  3. Hot Plasmids - December 2019 - CRISPR pooled library, LipoGlo, CRISPRa, and Voltage Imaging Tools

    Type
    Blog Post
    ...highlight a subset of the new plasmids in the repository through our hot plasmids articles. These articles...activation, using expression of differentiation factors as the screen readout. This retroviral mouse CRISPR...library can be used for screening of cells that are refractory to lentiviral transduction, now enabling forward...lipoproteins, shuttles lipoproteins through the circulatory systems, but can also lead to the formation of...as both a powerful tool for generating complex regulatory systems and further the study of natural σ54-... PMID: 31451697. Genetically encoded voltage indicators for use in worms Article contributed by Brook...Brook Pyhtila Genetically encoded voltage indicators (GEVIs) change fluorescence in real time when neurons...

  4. Fluorescent Protein Travel Awards - Protein Variants, a Serotonin Sensor, and an Artificial Leaf Replica System

    Type
    Blog Post
    ...the abundance of a protein variant library is monitored by fusing the variants to eGFP followed by an ... is an enzyme critical for activating clotting factors and is the target of the anticoagulant drug warfarin...serotonin sensor The goal of Elizabeth Unger’s postdoctoral work in Lin Tian’s lab at UC Davis is to generate...serotonin is a well-known but poorly studied neuromodulator, and evidence suggests that it is incredibly...sensor). In preliminary studies with the lab’s collaborators, they were able to use the serotonin sensor ...activity. Unger also plans to use the serotonin receptor to study how single nucleotide polymorphisms present...and dose response. Selective serotonin reuptake inhibitors are frequently used to treat depression and anxiety...

  5. The Crispr Babies Saga Shows the Need for Action, Not More Delays

    Type
    Blog Post
    ...upon a moratorium until another meeting, three branches – a private funder, government regulators, and ...there was a generally agreed-upon international moratorium on utilizing CRISPR/Cas9 in humans. This topic...mtDNA transfer options being investigated; A UK regulatory body tasked two separate non-governmental groups...technology to research centers engaged in long-term, mandatory follow-ups and observational studies of the technique...whether or not scientists can recognize so-called bad actors among them and “self-police” or whether the media...to argue otherwise). To be sure, throughout the history of medical research, there have always been people...stop punting decisions on scientific, ethical, regulatory, and general public consensus to the next meeting...

  6. Synthetic Photobiology: Optogenetics for E. coli

    Type
    Blog Post
    ... fields, including synthetic biology. Addgene depositors Christopher Voigt and Jeffrey Tabor have been...and inactivate biological processes. Chemical effectors are suboptimal for a number of reasons, including...cross-reactivity with other pathways. Since these effectors are diffusible, they’re also not suitable for ...histidine kinase that phosphorylates a response regulator (RR). TCS-induced responses are varied; one outcome...conditions, the chromophore activates the response regulator via phosphorylation, promoting transcription of...spread across three plasmids, with the response regulator encoded in the genome. To make the system less...The utility of these TCSs was limited by a few factors. These bulky systems were spread over a number ...

  7. Finding and Joining Your Dream Lab

    Type
    Blog Post
    ... important, factors to consider when seeking your dream lab. The principal investigator's point of view... hires are simpler because of their documented history in science. Potential graduate students typically...goals and chat about awesome science. Important factors in the search for a lab Studies show that job satisfaction...both work style and development needs. These two factors will provide a solid foundation on which to thrive... this should (in most cases) not be the driving factor. The following questions can serve as a guide for...you take the position. Am I choosing the right mentor? Make sure your advisors will be good role models...more on this topic see our blog "Choosing a Good Mentor for Scientists". This post also includes a useful...

  8. CRISPR Plasmids - Xenopus

    Type
    Collection
    ...Empty gRNA Expression Vectors Select a gRNA expression plasmid based on factors such as selectable marker...-FokI Screen Pooled Libraries gRNAs Empty gRNA Vectors gRNAs By Species Mammalian Bacteria Drosophila ...both the gRNA and Cas protein act as all-in-one vectors, but their function is often limited to a single...

  9. Quick Guide to Working with Drosophila Part 3: Genome Engineering in Flies

    Type
    Blog Post
    ... your gene of interest in a plasmid and get the vector incorporated into the germline. To begin this process...knockdown. Addgene also has a number of insect vectors to consider. An easy way to see what is available...Find Gal4 and UAS plasmids at Addgene Choosing a vector to generate a transgenic fly There are a few important...important points to consider when choosing the vector you’d like to use to generate your new fly line:... gene to be incorporated into the genome? Some vectors incorporate into the genome randomly, while others...would you like to select for your flies? Sure, the vector will have an antibiotic resistance gene to select...transgene. One such marker is the white gene, which restores eye color to fly lines where the endogenous white...

  10. From Lab Bench to Leadership: Transitioning into Management as a PhD

    Type
    Blog Post
    ...project management. Mentorship is another invaluable resource: connecting with mentors who have made similar...management often means stepping into unfamiliar territory. Unlike solving technical problems in the lab,...lab, management involves a different skill set: mentoring, setting strategic goals, and fostering team success...for me. I began exploring alternative career trajectories within the industry, but the transition wasn... role is also crucial. I owe quite a bit to my mentors, as they encouraged me to explore small-scale opportunities...company by taking on responsibilities such as mentoring a junior colleague. Guiding an intern, in particular...and leveraging tools like the Myers-Briggs Type Indicator or DISC assessments can help you navigate team...

  11. Plasmids 101: Screening Strategies Used in Plasmid Cloning

    Type
    Blog Post
    ...bacteria that have taken up this vector, but it won’t tell you whether the vector contains the gRNA insert or...X-gal allows you to identify cells that took up the vector and distinguish between plasmids that contain the...functional 𝛽-galactosidase. Blue-white screens rely on vectors where the gene of interest is inserted into the..., you will see two bands: one representing your vector backbone and the other representing the insert....doesn’t contain the insert, you will just see the vector backbone band. Or, you can choose an enzyme that...specific to your insert or by using primers that are vector specific but amplify a potential insert. If you...plasmid does not contain the insert. If you’re using vector-specific primers, look for size differences. You...

  12. Oh, The Places You Can Go: Careers in Science Communication - Writing for a Research Institute

    Type
    Blog Post
    ...feels that storytelling is an impactful tool for science communicators. “The power of a story is to make... to learn things quickly. Story telling. The ability to know what’s a story and how to hook your readers...there’s always plenty of writing: plain-language stories about Fred Hutch research, pieces for donors such...that can be a very painful process. And certain stories can make you feel like ‘I’m a terrible writer. ...through connections and that’s something that good storytellers in science can do.” Susan’s number one piece...social media as a scientist here Learn more about storytelling in science ...

  13. Career Coaching for Scientists: Why and Where Do I Find One?

    Type
    Blog Post
    ...AMA I am a strong advocate for peer mentoring, but volunteer mentors are only able to go so far with their...coach do that is different from an adviser, boss or mentor? First, professional coaches have experience and...infrastructure are not always as effective in mentoring for this transition. Second, a coach will help...experiences. Good coaches will have loads of success stories and plenty of people to vouch for them. Trust...help you. A good coach usually will be a clear communicator and make direct suggestions for improvement ...online content for PhDs and postdocs posted by Toronto-based Jennifer Polk of From PhD to Life. She runs...has an outstanding blog and, while her PhD is in History, I think she would be a good match as a coach for...

  14. Reaching out to China: Canton Nucleic Acids Forum (CNAF) 2015

    Type
    Blog Post
    ...scientists who were potential Addgene requestors and depositors. China is in one of the top 10 countries...using bacterial phage vectors with CRISPR/cas9 sensitizing gene cassettes. Thse vectors are engineered to ...world. With three Nobel Prize winners, one NIH Director and a co-founder of BGI-China presenting, it’s... discoveries and moving beyond DNA Eric Green, Director of the National Human Genome Research Institute...human tRNA genes and, until now, we've overlooked regulatory fragments of these transcripts. I remember when...was kicked off by Nobel Laureate (and Addgene depositor) Craig Mello. Taking his groundbreaking work in...Medicine presented another unexpected finding in the regulatory RNA field. The Rajewsky lab is studying circular...

  15. Performing In Vivo CRISPR Screens Using the FITS Approach

    Type
    Blog Post
    ...utility of the pRDA_526 vector. Moreover, the screen identified putative novel regulators of CD8+ T cell responses... here! Marty LaFleur is a Postdoctoral Fellow in Arlene Sharpe’s laboratory at Harvard Medical School ...in immune cells have identified many putative regulators of immunity. However, in vitro screens cannot... of this system is a lentiviral gRNA expression vector (pRDA_526) that (1) enables efficient knockout ...model in vivo. In this screen, we used the pRDA_526 vector to knock out 30 genes putatively involved in CD8...responses to cancer. The screen recovered known regulators, such as Ptpn2, Pdcd1, and Zc3h12a, demonstrating...

  16. Addgene Packaged on Request: Scope of Service

    Type
    Collection
    ...any viral vector. Addgene performs QC measures which verify the identity of the viral vector, but not ... Viral Vector Packaging Service Packaged on Request Scope of Service AAV Packaged on Request: Scope of...guarantees above. We will have our expert viral vector production team carefully review your cargo/serotype...

  17. Fluorescent Proteins 101: Fluorescent Protein Timers

    Type
    Blog Post
    ...into wide use, there were a variety of ways to monitor cell, organelle, and protein localization. For ...the FP timers, add an entire new dimension to monitoring localization; using FP timers, researchers can...Tsuboi et al.), limiting its use. Nonetheless, its creators noticed a few properties that have now become ...benefit of the common FP timers is that you can monitor age by expressing a single FP-timer protein or ... These separate proteins should be useful for monitoring cellular events occurring at varied time scales...fluorescent protein timers FP timers have been used to: Monitor dynamics of vesicle fusion and release from the...vesicle cargoes to FP timer mk-GO (Tsuboi et al.) Monitor gene expression in the developing pancreas by placing...

  18. Common Injection Routes in Mice

    Type
    Blog Post
    ...Administration of substances to laboratory animals: routes of administration and factors to consider. PubMed, 50...type of injection to use depends on a number of factors. You have to weigh the pros and cons of various...be injected, including cells, drugs, DNA, viral vectors, and viruses. All researchers must go through ...choice for administering different drugs and viral vectors. Like IV injections, intraperitoneal injections...common use of intradermal injections is studying inflammatory responses, as this method is useful for analyzing...for the delivery of various therapies and viral vectors. This injection sounds very disruptive, but surprisingly... This is most often used for delivery of viral vectors, though drug treatments are also possible. One ...

  19. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

    Type
    Blog Post
    ...bacteria, but have no fear - plasmids from Addgene depositors are making it easier than ever to use CRISPR  ...double stranded breaks (DSB) are lethal. Addgene depositor Luciano Marraffini’s lab took advantage of this...activation of transcription including transcription factors, phage proteins, and RNAP components (Dong et al... al., 2018). They found a transcription factor called SoxS for CRISPRa. Adding complexity, they found ...been observed with Phagemids (Selle et al., 2020, Citorik et al., 2015, Bikard et al., 2014). When the CRISPR... on the presence of specific target sequences (Citorik et al., 2014). These could be genes, specific polymorphisms...refined by the addition of a uracil DNA glycosylase inhibitor and degradation tag on the fusion protein to limit...

  20. What's New in CRISPR - Spring 2019

    Type
    Blog Post
    ...different Cas12a inhibitors. Some of these anti-Cas12a proteins have broad inhibitory effects on Cas12a...Caixia Gao’s lab has developed a new plant base editor from an evolved tRNA adenosine deaminase that is... is fused to a nicking Cas9. This base editor can be used for A•T to G•C edits in protoplasts or plants... Biology Find plasmids containing these base editors Spatially and temporally regulated AAV-based ...single step gRNA multiplexing system that generates vectors containing high numbers of gRNAs in one overnight...overnight reaction. STAgR is highly customizable as vector backbones, and gRNA structure, numbers, and promoters...Mobile-CRISPRi plasmids Identification of Cas12a inhibitors Using a bioinformatics and a screening approach...
Showing: 421 - 440 of 1075 results