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  1. Plasmids 101: Control Plasmids

    Type
    Blog Post
    ... the reference section provide more in depth information. Technical replicates An example of a technical... to the consistency of the reagents and hands performing the experiment, not the reproducibility or consistency...independent aliquots of cells and plasmids, be performed on different days, etc, but outside constraints...incorporating additional positive and negative controls, performing multiple replicates, and ultimately getting interpretable...
  2. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

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    Blog Post
    ... virus directly using saliva without having to perform RNA extraction but that may work only if there ... Motif) for target cleavage. This test can be performed in two steps for challenging samples as in Two-Step-SHERLOCK...fluorescently labelled substrate, gets activated and performs non-specific collateral cleavage. This cleavage...emission reader Approach: FnCas9 Editor Linked Uniform Detection Assay (FELUDA) is a technique that uses...
  3. Hot Plasmids: February 2026

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    Blog Post
    ...), inspired by crystal structures and by the performance of an earlier variant mScarlet-H (Xiong et al...transfected, comes in either a Tet-On or Tet-Off format, and did not alter cell viability or global gene...and neuroligins play critical roles in synaptic formation and function, yet the regulation and interactions...neurexin and neuroligin family members in synapse formation and neurological disease. And they're just the...
  4. The Advances Behind The World's First Personalized CRISPR Treatment

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    Blog Post
    ...of off-target DNA editing and on-target indel formation. For the safety of KJ’s experimental treatment...cellular models of KJ’s mutation, SpG Cas9 + ABE8e performed the best when paired with the highest-efficiency...produced efficient editors, the Kleinstiver set performed best when paired with the V106W mutation (described... assessed for off-target risks, such a modular platform could accelerate the development of genetic therapies...
  5. Evolution of Lab Techniques

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    Blog Post
    ...mapping and modern sequencing Restriction mapping informs on DNA sequence through the use of restriction ...upon the incorporation of a ddNTP. Researchers perform four different reactions, one for each radiolabelled...techniques still have useful applications and have informed many current techniques. For example, restriction...sequencing technology." Genomics, proteomics & bioinformatics 13.1 (2015): 4-16. PubMed PMID:  25743089 ....
  6. Plasmids 101: Common Lab E. coli Strains

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    Blog Post
    ...are wild-type unless indicated otherwise fhuA (formerly tonA) ferric hydroxamate uptake, iron uptake receptor...Propagation of ccdB-containing plasmids Hte   High transformation efficiency deoR constitutive expression of...+), λ– EPI300   Cloning large inserts and transformation of large plasmids. F- mcrA Δ(mrr-hsdRMS-mcrBC...For a more comprehensive list and additional information, visit OpenWetWare's E.coli genotype resource...
  7. Important Considerations When Using AAVs

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    Blog Post
    ...several brain regions where other serotypes may perform better (3). Brain Region  Optimal Serotype ...expressed that anatomical assessments can be easily performed too. While I implied that axoplasmic transport...vectors that will have substantially improved performance profiles and should be suitable for genome editing...and Mark A. Kay. "Future of rAAV gene therapy: Platform for RNAi, Gene Editing and Beyond." Human Gene...
  8. Plasmids 101: Modular Cloning Applications and Kits

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    Blog Post
    ...restriction enzymes (Weber et al., 2011). It can be performed at multiple levels to generate anything from individual...expression in the biotech workhorse yeast — K. phaffii (formerly known as Pichia pastoris). If your goal is protein...vectors. The Plant Parts III kit has a focus on transformation and genome engineering. This is a specialized.... “A Unified Multi-Kingdom Golden Gate Cloning Platform.” Scientific Reports, vol. 9, no. 1, Springer ...
  9. Twelve Amazing Guest Blog Contributors!

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    Blog Post
    ...shared information about recent CRISPR deposits from Arlene Sharpe’s lab. X-Chime and Performing In Vivo...Embracing Serendipity Nicolas Mathis, who shared information on his open software that predicts efficiencies...
  10. Streaking for Single Colonies: The Streak Plate Challenge

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    Blog Post
    ...students transform them into different strains of E. coli,” says Westenberg. During the transformation experiment...genetic backgrounds of the host strains affect transformation efficiency.  Aside from the Streak Plate Challenge...
  11. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

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    Blog Post
    ...of empirically derived and/or prior knowledge to inform on the qualities of what determines good sgRNA ...tools provide results to the user in different formats. This can have a large impact on downstream results...save”. Trends: Most tools provide tabular HTML formatted output. Surprisingly only 2 tools provide FASTA...idea of what to look out for. Top tools for bioinformaticians: For flexibility in your own analysis, you...
  12. 500,000 Plasmids Shipped and Counting!

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    Blog Post
    ... ship individual plasmids as transformed bacteria in stab culture format. Our lab team creates stabs for... for each plasmid being shipped based on the information in our lab software, labeling stabs with barcodes...
  13. 2022 and 2023: Reflections and Looking Forward

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    Blog Post
    ...out an updated AAV Data Hub to share curated information about AAV usage in research applications. Scientists...what challenges remain in materials sharing, information sharing, and research reproducibility while expanding... and distributing high-quality materials and information. As a scientist, I have seen both the potential...
  14. How Do I Place an Addgene Order Using a PO Number?

    Type
    Blog Post
    ...official document listing materials and pricing information that is sent from a buyer to a seller. However...your order online has some benefits. All of the information that is entered at checkout is used to generate... process, the Addgene Help Center is full of information about how to deposit plasmids, store your plasmids...
  15. More Data for You: Find Articles Citing Addgene Plasmids

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    Blog Post
    ... list of citing articles under the "Resource Information" heading in the right column of the plasmid page... the "# References" link under the "Resource Information" heading, you'll be directed to a page listing...also included a feature to help save you from performing any unnecessary cloning - the list of "Associated...
  16. Three Key Considerations for Precise Neuronal Targeting Using AAV Technologies

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    Blog Post
    ...retrograde tracing: visualizing neurons that received information from a region. In the example shown in Figure...by sharing not only reagents, but also method information. To complement these efforts, we’re beginning...through our recently launched AAV Data Hub, an open platform where researchers using AAV from our viral service...
  17. Addgene is Expanding Our Viral Vector Service!

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    Blog Post
    ...your AAV plasmid of choice for more information on its performance.   Titers We expect titers for plasmids... and serotype. Please note that Addgene cannot perform functional or in vivo testing. We recommend you...
  18. Plasmids 101: Walkthrough of Addgene’s Snapgene-Powered Quality Control Process

    Type
    Blog Post
    ...how we use next generation sequencing results to perform quality control on deposited plasmids. We’ve also...verify that our sequencing results match sequence information contributed by the depositor, published backbone...region is present in the plasmid, we might need to perform a restriction digest to confirm the size of the...
  19. Plasmids 101: Positive and Negative Selection for Plasmid Cloning

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    Blog Post
    ...includes an antibiotic resistance marker. After transformation, plate the cells on medium containing the corresponding...selection will select for cells that have been transformed with the plasmid backbone (with or without your...scientists are finding more and more ways to creatively perform selections in plasmid cloning. Additional resources...
Showing: 541 - 560 of 968 results