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We narrowed to 837 results for: ache

Showing: 261 - 280 of 837 results
  1. CRISPR 101: Epigenetics and Editing the Epigenome

    Type
    Blog Post
    Published
    June 24, 2020, 5:45 p.m.
    ...histone modification at specified loci. Charles Gersbach’s lab has deposited mammalian expression constructs...Both of these methods also recruit epigenetic machinery - but is there an advantage to using direct epigenetic...Vockley CM, Thakore PI, Crawford GE, Reddy TE, Gersbach CA (2015) Epigenome editing by a CRISPR-Cas9-based...Safi A, Song L, Hilton IB, Crawford GE, Reddy TE, Gersbach CA (2017) CRISPR–Cas9 epigenome editing enables...Ruan K, Wang F, Xu G, Hu R (2016) A CRISPR-based approach for targeted DNA demethylation. Cell Discovery...
  2. Editor's Choice, July 2016

    Type
    Blog Post
    Published
    Aug. 5, 2016, 3 p.m.
    ...our bloggers each and every month, we've decided to start an "Editor's Choice" series. Each month, I'll...was a fantastic month for the Addgene blog. We achieved roughly 50,000 views over the entire blog and ... Expression in Mammals Recombinase-based State Machines Enable Order-dependent Logic in vivo As always...
  3. When Fidelity Matters: A frank discussion about ligase fidelity

    Type
    Blog Post
    Published
    March 6, 2018, 1:49 p.m.
    ...related LCR technique uses two sets of probes to achieve exponential amplification. What does fidelity mean...substrates. Thus, high fidelity ligation can be achieved through a combination of the intrinsic selectivity...four upstream probes and four down-stream probes, each differing only in the base at the ligation junction...represented. Sixteen separate pools were prepared, each with a different complement strand covering all ...the template. The probes were designed such that each possible pairing resulted in a product of a different...
  4. Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering

    Type
    Blog Post
    Published
    Dec. 15, 2016, 3:57 p.m.
    ... used in limited circumstances. An alternative approach is to flank the desired change with 4-5 silent...from mini-λ or 4) from the lambda red phage itself (each of these will be discussed in more detail below)...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 ...
  5. Sequencing Options for CRISPR Genotyping

    Type
    Blog Post
    Published
    Oct. 4, 2016, 2:30 p.m.
    ... on genome sequencing. Used in concert, these approaches can provide the researcher with a reasonable ...(Fu et al. 2013; Pattanayak et al. 2013). This approach misses larger mismatches (e.g. six nucleotides... may be to integrate both biased and unbiased approaches. As suggested in a review by Tycko et al., 2016...a highly accurate manner. Using both of these approaches may not be necessary for every CRISPR experiment...Mark J., et al. "Evaluation of TCR gene editing achieved by TALENs, CRISPR/Cas9, and megaTAL nucleases....
  6. The Addgene Antibody Data Hub

    Type
    Blog Post
    Published
    Sept. 12, 2024, 1:15 p.m.
    ...found yourself staring at a browser full of tabs, each open to a different antibody option. Or you may ... options in the Antibody Data Hub. Data reports  Each antibody submission is used to create a data report...Curating the data reports Just like our AAV Data Hub, each data submission we receive is checked by Addgene's... Rachel Leeson...
  7. Plasmid Preps: Different Purity, Different Quantities, Different Uses

    Type
    Blog Post
    Published
    June 16, 2020, 1:25 p.m.
    ...a plasmid or viral origin. The type of cloning approach you choose ultimately will influence the quantity... for the extraction. Restriction enzyme based approaches can require several hundreds of nanograms or ...assembly or Golden gate assembly use a more direct approach, allowing scientists to clone from a smaller amount...will likely require micrograms of plasmid DNA for each reaction. As a consequence, the preparations for...
  8. With an Eye Towards the Future, We Look Back at the March for Science

    Type
    Blog Post
    Published
    Oct. 24, 2017, 1:54 p.m.
    ...facts. Because, similar to scientists, the legacy of each government and generation is in the veracity of ...the lab, she dabbles in science policy, public outreach, and restorative justice.  Follow her on twitter...where these issues hit hardest. According to the Guttmacher Institute, most women of reproductive age live...galilei-dialogues-concerning-two-new-sciences). This is the approach policy makers take in abusing climate science ...tirelessly to get the publications, grant funding, and teaching experience that it takes to complete your resume...
  9. Fluorescent Proteins 101: Photoactivatable Fluorescent Proteins

    Type
    Blog Post
    Published
    April 25, 2017, 2:30 p.m.
    ...light used to activate the first PA-FP does not photobleach the second, and vice versa. Finally, as every...contrast, PA-FPs offer a reduced potential for photobleaching and phototoxicity that standard FPs might induce... PA-FPs is photoactivated, imaged, and then photobleached. Additional PA-FP molecules are then activated...still do not emit the large number of photons achievable with photoswitchable dyes. Correlative light ...297.5588 (2002): 1873-1877. PubMed PMID:12228718. 2.Subach, Fedor V., et al. "Photoactivatable mCherry for...
  10. Modulate the Activity of 17 Signaling Pathways with One Kit!

    Type
    Blog Post
    Published
    March 22, 2016, 2:30 p.m.
    ...consensus lentiviral expression vector and attached a DNA barcode to each to make the library usable for pooled...proliferation, survival, differentiation, and apoptosis. For each of these 17 pathways, they identified a set of one...researchers didn’t have to discover new ways to activate each of these pathways. Rather, they relied on published...
  11. IBEX Knowledge-Base: A Data Resource for Multiplex Tissue Imaging

    Type
    Blog Post
    Published
    June 8, 2023, 1:15 p.m.
    ...method that uses iterative staining and chemical bleaching to allow for high-resolution imaging without degrading...IBEX: An iterative immunolabeling and chemical bleaching method for high-content imaging of diverse tissues...). IBEX: A versatile multiplex optical imaging approach for deep phenotyping and spatial analysis of cells... Rachel Leeson...
  12. A Needle in a Base-Stack: Cas9 Structural Biology

    Type
    Blog Post
    Published
    June 4, 2024, 1:15 p.m.
    ...2014). Table 1. Summary of Cas9 domains, the lobe each domain belongs to, and their roles. Lobe Domain...crRNA:tracrRNA duplex — Cas9’s two lobes move toward each other into the “closed” conformation shown in Figure...test DNA bases that are already snugly paired to each other? At this point, the protein can switch between...guide RNA (Cofsky et al., 2022; Osuka et al., 2018). Each matching DNA:RNA pair gives just enough stability...own advantages—and blind spots—to these questions. Each new structural insight also spurs the next generation...
  13. An Addgene Summer Internship

    Type
    Blog Post
    Published
    Aug. 8, 2024, 7:22 p.m.
    ..., I reached out to Amy with exciting news. I managed to secure a virtual summer program, teaching me the.... A capstone project is a major project given to each intern to complete and present on.    Figure...report shared my work by breaking down the process of each day, my background, observations, etc. On my final...
  14. Hot Plasmids and Viral Preps - July 2021

    Type
    Blog Post
    Published
    July 27, 2021, 1:15 p.m.
    ...users have recently begun to develop CRISPR-based approaches for studying gene function in these systems. ...use in a fetal-lung derived organoid system, the approach is intended to be amenable to organoids derived...tissue-types. By bringing together CRISPR-based approaches and organoid models, toolkits like this one provide...trigger seed germination of parasitic plants, this approach was also used to build and validate a ratiometric...
  15. Walking beside Academia and giving it a high five: My transition from graduate work to a position at Addgene

    Type
    Blog Post
    Published
    July 2, 2015, 8:37 p.m.
    ...University and entered a new role here at Addgene as an Outreach Scientist. I used to spend my days (and often ...This is particularly true in my position as an Outreach Scientist where I spend a large amount of my time...communicator that got me here! Thus far being an Outreach Scientist at Addgene has been awesome. The process...researchers gain doing PhDs (i.e. technical writing, teaching, presenting, analytical thinking, time management...
  16. Viral Vectors 101: Transductions

    Type
    Blog Post
    Published
    April 30, 2024, 1:15 p.m.
    ...another method Transfection and transduction seem to achieve similar outcomes, so why and when should you opt...Second, what is the biological outcome you want to achieve? For example, do you want the nucleic acid cargo...work is that you can swap out your virus type to achieve different biological outcomes. For example, some...targeting of that virus, which can’t be easily achieved with alternative methods. Ready, set, transduce...
  17. Why Add Sucrose? Improved Yields for Adeno-associated Virus Preparation

    Type
    Blog Post
    Published
    Dec. 13, 2018, 1:14 p.m.
    ...assays, in vitro transduction, and silver stain approaches we show that there is no difference in purity...so excited? For starters, we believe that this approach can be adapted by vector cores and laboratories...investigated 3 serotypes it’s possible that this approach will be beneficial for a host of other AAV serotypes...serotypes; it will be exciting to test this approach with different capsids. Most importantly, because ...
  18. Hot Plasmids June 2018 - Reverse transcriptase, nanobody, and protein-DNA interaction tools

    Type
    Blog Post
    Published
    June 27, 2018, 1:16 p.m.
    ...surface. Their toolkit includes a set of plasmids each containing an anti-GFP nanobody fused with a different...genomic locus: Caspex  Article contributed by Susanna Bachle  Listen to the Caspex podcast segment Steven Carr...Scientist in the group, developed a CRISPR-based approach to detect proteins that associate with specific...Sontheimer and his group from the University of Massachusetts Medical School have developed a group of plasmids...
  19. Viral Vectors 101: What is a Virus (and a Viral Vector)?

    Type
    Blog Post
    Published
    Aug. 18, 2023, 4:15 p.m.
    ...disease front. Viruses survive by hijacking the machinery of the cells they infect. Once they enter a cell...delivered to the cell. The cell then uses its own machinery to replicate the viral genome and proteins. This... growing number of Viral Vectors 101 posts about each type, so be sure to check our blog, or our Viral... Rachel Leeson...
Showing: 261 - 280 of 837 results