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Addgene
Showing: 41 - 60 of 254 results
  1. Sharing is Caring: But How to Distribute Open Hardware?

    Type
    Blog Post
    Published
    Feb. 28, 2023, 2:15 p.m.
    ...devices for research. There are a number of new platforms (such as openUC2, which I am a co-founder of),...that make everyday microscopy much easier. On platforms such as Github, users can download the software...example, can also be printed quickly in Madagascar. Platforms that allow for on-going creativity with the construction...organizations and companies to provide problem-solving platforms.     Fig. 3: Different workflows involved...Prakash, "Squid: Simplifying Quantitative Imaging Platform Development and Deployment." bioRxiv. 2020. Diederich...
  2. Human Germline Editing Using CRISPR

    Type
    Blog Post
    Published
    Aug. 10, 2017, 2:19 p.m.
    ..., and electroporated them with an ssODN repair template in induced pluripotent stem cells made from the...fertilization. Since Ma et al. designed a repair template with two synonymous mutations to distinguish it...were able to distinguish between repair from the template vs repair from the maternal MYBPC3 allele. Interestingly...from the single-stranded oligonucleotide (ssODN) template supplied by Ma et al., but instead from the mother...embryos to undergo editing using the provided ssODN template. In fact, this finding led the authors to title...
  3. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

    Type
    Blog Post
    Published
    June 18, 2020, 1:15 p.m.
    ...secondary nanobodies blog post.  A rapid selection platform for generating sybodies against membrane proteins...weeks (Zimmermann et al., 2020). This selection platform was designed so that any standard lab can quickly...in the form of mRNA for academic research. The template plasmids for generating your own libraries are... out with anti-Myc antibodies bound to an ELISA plate to capture Myc-tagged sybodies. Then, the biotinylated...proteins. The full protocol for this sybody selection platform can be found here and relevant plasmids are available...
  4. Plasmids 101: Choosing an Antibiotic Resistance Gene

    Type
    Blog Post
    Published
    Oct. 10, 2023, 1 p.m.
    ...shaking at 37 degrees) can be shortened since the plated cells will have time to produce beta-lactamase ...to produce satellite colonies when used on agar plates due to the fact that beta-lactamase is excreted...Cons: Prone to satellite colony formation on agar plates, less stable at high temperatures and in acidic... and is less susceptible to degradation in agar plates. This prevents satellite colonies from forming ...Molecular Biology Protocols Over-Agar Antibiotic Plating Plasmids 101 eBook Resources on the Addgene blog...
  5. Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus

    Type
    Blog Post
    Published
    March 17, 2016, 2:30 p.m.
    ...then recognizes the encapsidated minigenome as a template for replication and transcription, as it would...-minigenome). The anti-minigenome is used as a template by the viral polymerase to synthesize additional...addition, the polymerase will use the minigenome as a template to transcribe the reporter gene (e.g. firefly ...polymerase complex and utilize the minigenome as a template. Thus, it is important to choose cell lines that...and 2 μg minigenome plasmid per well (in a 6 well plate format). However, since plasmid quality and transfection...
  6. What's New in CRISPR - May 2019

    Type
    Blog Post
    Published
    May 28, 2019, 12:49 p.m.
    ...genome-wide CRISPR inhibition Covalent tethering of DNA template to Cas9 SECURE base editors Nme2Cas9 CRISPR interference...inhibition library Covalent tethering of DNA repair template to Cas9 Homology-directed repair (HDR) can be ...using a single-stranded oligodeoxynucleotide HDR template covalently attached to the Cas9-gRNA RNP complex...Candida albicans A new CRISPR interference (CRIPSRi) platform for targeted gene repression in Candida albicans...
  7. Viral Genome Sequencing - A One Stop Shop for AAV Identity and Serotype Confirmation

    Type
    Blog Post
    Published
    April 23, 2020, 1:15 p.m.
    ...establish a next-generation sequencing (NGS) QC platform that allows us to provide scientists with complete...launching our viral service in 2016, we adapted this platform to accommodate adeno-associated viral vector (...ligation and tagmentation require a double-stranded template.  Using viral genome sequencing to verify the ...double-stranded species that could be used as a template for downstream applications (Berns, 1972). Using...
  8. Sweating the Small Stuff: Details in the Lab

    Type
    Blog Post
    Published
    Feb. 8, 2022, 2:15 p.m.
    ... to glance at as you work. Draw your plate maps onto your plates, alongside your physical copy. If you...reminders on a sticky note   Visual Planning  Plate maps, pre-labeling tubes, and even drawing out experimental...example, setting up your pipette tips to match your plate layout can help you track samples as you add them...
  9. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

    Type
    Blog Post
    Published
    Feb. 10, 2016, 3:30 p.m.
    ...desired mutation, then use those to PCR amplify the template plasmid. The parental, nonmutated DNA is digested...nick repair. This method can work well, but poor template digestion can result in a high number of background...mutations, to amplify both strands of a plasmid template. In addition to containing the mutations, the ...After being treated with DpnI to digest away the template plasmid, these PCR products are directly transformed...
  10. Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells

    Type
    Blog Post
    Published
    Dec. 10, 2020, 1 p.m.
    ...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 ...
  11. Addgene's Tips for Plasmid Quality Control

    Type
    Blog Post
    Published
    Jan. 14, 2016, 3:30 p.m.
    ...samples through our lab using barcoded tubes and plates. The critical pieces of information for a given...100 µl of glycerol stock to each of 2 96-well microplates (identical copies, see image above). We then ... database of over 2000 primers. Two 96-well PCR plates are prepared with the primer stocks for forward...shipped along with their corresponding glycerol plate on dry ice to the sequencing provider. Each sequencing...
  12. CrispyCrunch: High-throughput Design and Analysis of CRISPR+HDR Experiments

    Type
    Blog Post
    Published
    Feb. 7, 2019, 2:16 p.m.
    ...each gene, we needed to design guide RNAs, donor templates and sequencing primers for quality control. At... taken up to a month to design a single 96-well plate for HDR that satisfy all requirements. To alleviate...guides by CFD score, and it mutates HDR donor templates to avoid re-cutting when needed. It gives you ...the standard information that goes into a 96-well plate and comes out of it. Biotech companies are known...
  13. Plasmids 101: Knockout/Knock-In Plasmids

    Type
    Blog Post
    Published
    Dec. 1, 2016, 3:30 p.m.
    ...homologous recombination using a repair template. These templates can include loxP sites to create conditional...recombination. The concept is simple: deliver a template with a modified version of the targeted sequence...sequence to the cell which will recombine the template with the endogenous gene. Here, we'll describe the ...
  14. Tips for arabidopsis transformation

    Type
    Blog Post
    Published
    Oct. 25, 2018, 1:23 p.m.
    ... from an LB plate. In my hands, a 5 mL starter culture inoculated from a colony on a plate will reach ..., check out Harrison et al., 2006. Tips: Don’t plate seeds too densely during selection: this will increase...difficult. Don’t leave your plants on selective plates for too long: even resistant plants will be affected...
  15. Sharing Your Lab Protocols: Using Apps to Save Time & Track Your Experiments

    Type
    Blog Post
    Published
    Sept. 23, 2014, 3:05 p.m.
    ... to copy and modify templates (e.g. http://openwetware.org/wiki/Protocols/Template). Nature Protocol Exchange... up after trying out the new protocols.io beta platform for sharing, annotating, and storing life science...molecular cloning protocols, including making LB agar plates, restriction digest of plasmid DNA, and bacterial...
  16. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

    Type
    Blog Post
    Published
    Sept. 1, 2020, 1:15 p.m.
    ...strategy for increasing the size of the AAV donor template for CRISPR-mediated homology directed repairs ...homologous recombination approach delivers large donor templates using two sequential homology directed repairs... the gRNA target site that mediated the donor template’s integration so that the site is reconstituted...which results in the integration of a larger donor template.  Drawbacks: Transgene expression varies with...
  17. Mycoplasma Contamination: Where Does It Come From and How to Prevent It

    Type
    Blog Post
    Published
    Oct. 8, 2020, 1:15 p.m.
    ...broth and on the agar plates. Mycoplasma colonies are easily visible on the agar plates. This method is capable...detection, DNA staining, fluorescent tagging, agar plating, etc. Be wise to choose any of the techniques listed... (Uphoff and Drexler, 2011). Culturing on agar plates/broth is considered the ‘gold standard’ for detecting...
  18. When Fidelity Matters: A frank discussion about ligase fidelity

    Type
    Blog Post
    Published
    March 6, 2018, 1:49 p.m.
    ...in 16 wells of a 96-well plate, allowing 6 conditions to be screened per plate. The results indicated that... pools were prepared consisting of one target (template) strand and four upstream probes and four down-stream...strand covering all 16 possible NN pairs in the template. The probes were designed such that each possible...
  19. Addgene is Stopping Use of X (formerly Twitter)

    Type
    Blog Post
    Published
    Jan. 11, 2024, 2:15 p.m.
    ...LinkedIn. We are also exploring other social media platforms with active scientific communities and welcome...functionality and features that previously made the platform a mainstay of conversation in the scientific community...considering a gradual move off X as a response to major platform changes, such as limiting access and increased...
Showing: 41 - 60 of 254 results