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TypeBlog Post...enzyme screening is sensitive to single base pair changes, but the edit must occur at an existing restriction...simultaneously validate edits and look for off-target changes. This method requires a set of control cells to...
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Plasmids 101: Expressing shRNAs for RNA Interference
TypeBlog Post...might suggest, an RNA-mediated gene silencing mechanism. RNAi was a landmark discovery in the 1990s and..., C. (2018). Overview of MicroRNA biogenesis, mechanisms of actions, and circulation. Frontiers in Endocrinology... -
SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas
TypeBlog Post... This test can be performed in two steps for challenging samples as in Two-Step-SHERLOCK or in a fast,...the immobilised target sequences. Upon binding, changes in fluorescence can be visualised. Another approach... -
Proximity Labeling: A Powerful Tool for Protein Complex Purification and Proteomic Mapping
TypeBlog Post...soluble and insoluble proteins, which can be a challenge for classic antibody based affinity purification..., S. C., Noble, K. A., KC, B., Roux, K. H., Motamedchaboki, K., & Roux, K. J. (2016). An improved smaller... -
Site Directed Mutagenesis by PCR
TypeBlog Post...role of renaturation temperature in the polymerase chain reaction." Analytical Biochemistry 209.2 (1993):...Xia, Yongzhen, et al. "New insights into the QuikChangeTM process guide the use of Phusion DNA polymerase... -
Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?
TypeBlog Post... a well-established viral reservoir. A second challenge for CRISPR HIV-1 therapies is sequence specificity.... Ramanan V, Shlomai A, Cox DB, Schwartz RE, Michailidis E, Bhatta A, Scott DA, Zhang F, Rice CM, Bhatia... -
Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods
TypeBlog Post...competent cells. The master mix of enzymes can be purchased from a company (e.g. NEB or SGI-DNA), or can be...fragments of the chromosome, which was technically challenging. Other homology based technologies We've described... -
Plasmids 101: Common Lab E. coli Strains
TypeBlog Post...below outlines a few of the more common genetic changes found in E. coli strains. Table 1: Common gene ...are methylation sensitive. dnaJ Mutation in a chaperonin gene Increases the stability of certain expressed... -
How to Design Your gRNA for CRISPR Genome Editing
TypeBlog Post...the C’ terminus of the protein, to maximize the chances of creating a non-functional allele. For a 1 kilobase...the so-called base editor Cas9, which makes DNA changes in the absence of dsDNA breaks (Rees et al., 2018... -
Transferable Skills Guide: Teamwork
TypeBlog Post...Watson, Crick, & Franklin, Meselson-Stahl, Hershey-Chase...Who was I to dispute history? And boy did I make...process that kits require; Nicole, the web master in charge of all our externally facing kit pages. No single... -
9 tips for a successful postdoctoral experience
TypeBlog Post...Today's postdoctoral fellows (PFs) face a number of challenges ranging from long periods of training to limited...is equally important to have a plan to get to mechanism. Do the necessary tools exist to tackle the problem... -
A Guide to Getting Started in Undergrad Research
TypeBlog Post...were inspired by the imminent threat of climate change to study plant and marine biology, environmental...and while doing scientific research. It’s okay to change your mind about what exactly you want to do—I started... -
Quick Guide to All Things Lentivirus
TypeBlog Post... using proper technique, there’s always a small chance that a researcher could infect him or herself with...you put in your culture. As viral production can change from one batch to another. For experimental consistency... -
Tips for a 1st Time CRISPR User (by a 1st Time CRISPR User)
TypeBlog Post... genomic DNA to amplify the gRNA targets was challenging because you’re limited by the sequence of the...Vaimberg EW, Donovan KF, Smith I, Tothova Z, Wilen C, Orchard R, Virgin HW, Listgarten J, Root DE. Nat Biotechnol... -
How to Deposit Your Plasmids with Addgene
TypeBlog Post...indicate the amino acid change as well as any functional consequences of that change. For example, "Mutated... -
CRISPR 101: Multiplex Expression of gRNAs
TypeBlog Post... editing or labeling efficiency doesn’t usually change when you add multiple gRNAs on one plasmid. Sound...contains all of the desired gRNAs. This increases the chance that all the edits you want to make will happen... -
Selecting Your Plasmid Purification Kit
TypeBlog Post... is working for you, then there is no reason to change it. But what if a kit isn’t working for you, or...factor label Non-silica based, avoids use of chaotropic salts What are all these other kit types... -
New Antibody Animation!
TypeBlog Post...mammals. Subscribe to Addgene's YouTube channel for more helpful animations, useful protocol videos... -
Beginner's Guide to Viral Vectors
TypeBlog Post...Haery has summed up some of the most important characteristics of retroviruses, lentiviruses, AAVs, and adenoviruses... -
Antibodies 101 Series on TikTok
TypeBlog Post...you can watch the full animation on our YouTube channel. More resources on the Addgene blog Antibodies...