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We narrowed to 400 results for: POR C

Showing: 181 - 200 of 400 results
  1. Viral Vectors 101: Types of viruses

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    Blog Post
    ...10.1016/j.gendis.2017.04.001 Maetzig T, Galla M, Baum C, Schambach A. Gammaretroviral vectors: biology, technology...2011 Jun;3(6):677-713. DOI: 10.3390/v3060677 Varanda C, Félix MDR, Campos MD, Materatski P. An Overview of...Lenti particles enter the nucleus through nuclear pores and thus do not require breakdown of the nuclear...
  2. Antibodies 101: Buffers, Storage, and Conjugates

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    Blog Post
    ...short term storage (think days to weeks) in the 4°C. If you’ll only be using it every few month or if ...be going through small aliquots at a time, the -20°C is your best option, in aliquots no smaller than 10uL...whenever you use the antibody. This information is important, and you’ll need to track it throughout your experiments...
  3. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

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    Blog Post
    ... of cytidine and adenine base editors that enable C-to-T and A-to-G base substitutions respectively. Substitutions...:723–728 . https://doi.org/10.1021/sb500351f Dong C, Fontana J, Patel A, Carothers JM, Zalatan JG (2018... https://doi.org/10.1016/j.cell.2013.02.022 Ronda C, Pedersen LE, Sommer MOA, Nielsen AT (2016) CRMAGE...Vridhambal GS, Rivera AJ, Montgomery SA, Fortier L-C, Barrangou R, Theriot CM, Ousterout DG (2020) In Vivo...the phage recombineering machinery are first electroporated with pCas9. Then, pCRISPR is introduced along... a mammalian cell line (Qi et al., 2013). Two important features of this early system are its regulatable...Euler CW, Jiang W, Nussenzweig PM, Goldberg GW, Duportet X, Fischetti VA, Marraffini LA (2014) Exploiting...
  4. CRISPR/Cas9 FAQs Answered!

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    Blog Post
    ...10.1126/science.1231143  Elliott, B., Richardson, C., Winderbaum, J., Nickoloff, J. A., & Jasin, M. (1998....1128/mcb.18.1.93  Ran, F. A., Hsu, P. D., Lin, C., Gootenberg, J. S., Konermann, S., Trevino, A. E....j.cell.2011.06.019  Wang, H., Yang, H., Shivalila, C. S., Dawlaty, M. M., Cheng, A. W., Zhang, F., & Jaenisch...j.cell.2013.04.025  Yang, H., Wang, H., Shivalila, C. S., Cheng, A. W., Shi, L., & Jaenisch, R. (2013)....refer to Cong et al. (2013) for more details. One important note is that this ‘split RNA’ design is not as...). One-Step generation of mice carrying reporter and conditional alleles by CRISPR/CAS-Mediated Genome...
  5. Viral Vectors 101: Calcium Sensors

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    Blog Post
    ...variables. Twitch is a FRET-based calcium reporter derived from troponin C. It is engineered with a reduced number...calcium binding proteins (e.g., calmodulin or troponin C). Their fluorescent readouts are used to monitor calcium...Calcium is arguably one of the most important metal ions in biology (sodium and potassium are up there..., and an allosteric modulator. Because of its importance, scientists have developed calcium sensors to...GCaMP6 family of sensors are commonly used calcium reporters with different kinetic parameters. There are three...also available. Detection methods Many calcium reporters use a single fluorescent protein (FP), requiring...for in vivo studies) There are several calcium reporters specially designed for the aims and requirements...
  6. Rosella: A Fluorescent pH-Biosensor for Studying Autophagy

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    Blog Post
    ...connected by a 9 amino acid linker that’s fused to the C-terminus of DsRed.T3. See Table 1 for a summary of...are available from Addgene. References 1. Rosado, C., Mijaljica, D., Hatzinisiriou, I., Prescott, M., ...spectra. DsRed is the permanent fluorescent tag portion of Rosella: it will emit red fluorescence regardless...mechanisms behind autophagy by tracking what’s being transported to the yeast vacuole (i.e. cytosol, mitochondria...2008). Rosella: A fluorescent pH-biosensor for reporting vacuolar turnover of cytosol and organelles in...using a single fluorescent biosensor. Scientific Reports,5(1). doi:10.1038/srep12397. PubMed PMID: 26215030...
  7. Antibodies 101: Stripping and Reprobing Western Blots

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    Blog Post
    ...from an additional 5–10 minutes of incubation at 37 °C. Wash the membrane for 5–10 minutes 2–3x in fresh ...stripping solution and agitate for 30–45 minutes at 50 °C. Wash the membrane for 5–10 minutes 2–6x in fresh ...directly to buffer without a re-wetting step. Important: do not dry your membrane with antibodies on it...the ones shared by Bio-Techne, ThermoFisher, or Millipore Sigma. We’ll share the basic composition of these...Alternatively, companies including ThermoFisher, Millipore Sigma, and Azure Biosystems offer pre-made stripping...your western blot several times — some researchers report up to ten cycles! Just remember that a bit of sample...
  8. Allen Institute for Cell Science Plasmid Collection

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    Collection
    ..., Arakaki, J., Fuqua, M. A., Nelson, A., Hookway, C., Ludmann, S. A., Mueller, I. A., Yang, R., Horwitz...114407 NUP153-mEGFP AICSDP-50 mEGFP Nucleoporin Nup153 Nuclear pores 114410 FUS-mEGFP AICSDP-64 mEGFP RNA-binding... from the Allen Institute for Cell Science data portal (Link opens in a new window) , including: data ...
  9. Hot Plasmids - June 2020 - Barcoded CRISPR Library, Sparse Cell Labeling, Calcineurin Reporter, and DNA Staining Dye Alternative

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    ...blog post for more details. Figure 2: Dense (c), intermediate (d), and sparse (e) labeling of the...remove a stop cassette upstream of an effector/reporter gene. In cells where the stop cassette is removed...https://doi.org/10.1101/788679 A destabilized GFP reporter for calcineurin activity in yeast Article contributed... it is an attractive drug target. Calcineurin reporters allow scientists to measure calcineurin dynamics... target calcineurin. Current calcineurin gene reporters are based on the bacterial βgal assay, and are...Büttner’s lab designed a calcineurin transcriptional reporter consisting of a quickly-degraded destabilized ...panels) equipped with destabilized GFP calcineurin reporter (blue) and stained with PI (pink) to indicate ...
  10. Plasmids 101: Using Transposons in the Lab

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    Blog Post
    ... its preferred target integration site: TNA(C/G)TTATAA(G/C)TNA. Tol2 can deliver 10-11 kB to mammalian...   References and Resources References Feschotte C, Pritham EJ (2007) DNA Transposons and the Evolution...piggyBac plasmids    Tol2  Tol2 was the first reported active DNA transposon in vertebrates. It was discovered...mutations. In these screens, the transposons encode reporter genes, mutagenic cassettes, or barcodes. When ...2021). Target site preference and host range are important to consider when selecting a transposon for a ...pronuclei of fertilized eggs, which leads to random incorporation of that sequence into the zygote’s genome, a...unpredictable. Transposons, however, efficiently incorporate into the zygote’s genome after injection into...
  11. CRISPR Plasmids - Prime Edit

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    Collection
    ...which a reverse transcriptase (RT) is fused to the C terminus of Cas9 H840A nickase. The fusion enzyme ...the PBS of the pegRNA and the desired edit is incorporated into the DNA by reverse transcription. The edited...
  12. Hot Plasmids and Viral Preps - January 2021

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    Blog Post
    ...application of blue light, Vvd dimerizes bringing the C-terminal and N-terminal Cre fragments together and...the PAM sequence is 5’-TBN-3’ (where B is G, T, or C). The authors demonstrate that CRISPR-Casɸ is active...in a protein.    Cells expressing an RFP reporter plasmid for recombinase activity were exposed ...interest. However, FACS is unable to spatially and temporally target single cells. Now, Francois St-Pierre’...way to isolate individual cells with unique spatiotemporal phenotypes from large heterogeneous cultures...introduction & resolution of two DSBs in a fluorescent reporter. Find the plasmids here Yongsub Kim’s lab engineered...
  13. dTAG - You're it!

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    Blog Post
    ...These plasmids enable lentiviral expression of N- or C-terminally FKBP12F36V-tagged fusion chimeras or locus-specific... rapid means of comparing functionality of N- and C-terminal fusions and degradation in a cell line of...transcription factors with important roles in Multiple Myeloma), it is important to ensure lack of degradation... chimeras For each protein-of-interest, it is important to determine which terminus can accommodate the...
  14. Making CRISPR Plasmids Using Fragmid

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    Blog Post
    ...easy to switch out reporters, Cas proteins, guide cassettes, promoters, N’ and/or C’ terminus, and selection...Griffith, A. L., Szegletes, Z. M., Wen, B., Kraus, C., Miller, N. W., Steger, R. J., Escude Velasco, B....New to the bench? Fragmid depositor John Doench reports even the greenest members of his lab, high school...vectors are available? What you’re building is important — but so is where you’re building it! Table 1 ...
  15. Plasmids 101: The Wide World of Natural Plasmids

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    Blog Post
    ...doi.org/10.1128/AEM.67.8.3440-3444.2001 Fogarty, E. C., Schechter, M. S., Lolans, K., Sheahan, M. L., Veseli....102684 Shareck, J., Choi, Y., Lee, B., & Miguez, C. B. (2004). Cloning Vectors Based on Cryptic Plasmids...plasmids — more on that in a minute! Fun fact! Electroporation is one popular method scientists use to promote...
  16. Adeno Associated Virus (AAV) for Cell and Gene Therapy

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    Blog Post
    ...mutations in the common cytokine receptor gamma chain (c) and is characterized by a lack of immune cell development...1172-1179. PubMed PMID: 28671695. 6. Münch, Robert C., et al. "Off-target-free gene delivery by affinity-purified...basic research and other ongoing clinical trials support the utility of AAV as a broadly applicable gene...
  17. Special Delivery: Fluorophore Targeting for FRET Studies

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    Blog Post
    ...Most FP fusions for FRET studies are at the N- or C-terminus of your target protein, but even these modifications...can insert your protein of interest, resulting in a C-terminal fusion of a tetracysteine tag. In addition...for observed FRET efficiencies between 80% and 10%. C Cy3NTA and Cy5NTA bind His tags similarly but with...nonspecifically soak up your fluorophore package. One important concept in FRET experimental design is that the...donor first where labeling specificity is most important. Donor labeling and the need for specificity Donor...protein molecules contain the donor and, more importantly there is no fluorescence background resulting...in the ribosome, resulting in site-specific incorporation of the attached fluorophore. However, since ...
  18. Viral Vectors 101: Chemogenetics

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    Blog Post
    ...in mice. Scientific Reports 9: https://doi.org/10.1038/s41598-019-41088-2 Magnus C, Lee P, Bonaventura...10.1021/cn500325v Goutaudier, R., Coizet, V., Carcenac, C., & Carnicella, S. (2019). DREADDs: The Power of the...Targeted and specific delivery becomes especially important for studies in neuroscience where specific tissues...neuron need to be targeted. Targeting is also important in the development of therapies when expression...Picking Ligands Picking the right ligand is also important for building a chemogenetic system. Your experiment...cellular response you aim to manipulate. It is important to consider that the same receptor can elicit ...drug that only binds to one receptor, so it is important to fully characterize the compound, or compounds...
  19. Twenty Years of Addgene Sharing: CRISPR

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    ... CRISPR plasmids deposited with Addgene by year. (C) Cumulative number of laboratories that have deposited...smoothed using locally estimated scatterplot smoothing. (C) Number of requests per year for pooled libraries,...plasmids/year from 2017 to 2023. This growth is supported by new labs joining the Addgene CRISPR community...year of deposit. Outlines show a representative proportion of CRISPR plasmids requested, categorized by ...plasmids deposited by country; square size is proportional to number of plasmids deposited by each country...plasmids requested by country; square size is proportional to the number of plasmids requested by each ...Barrangou for his authorial contributions to, and support for, this and previous Addgene CRISPR publications...
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