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TypeBlog Post...method to create CRISPR/Cas9 constructs, assemble standard plasmids parts in different combinations, or other...
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Pathways Over Time Plasmids Engage Students in Functional Genomics Research
TypeBlog Post...organism where deletion strains are available. Then, staff or students clone similar sequences from a less-... -
CRISPR 101: Anti-CRISPR Proteins Switch Off CRISPR-Cas Systems
TypeBlog Post...2020 by Jennifer Tsang. CRISPR-Cas technology is constantly evolving. Variants of Cas proteins can be used... -
Split Fluorescent Proteins for Studying Protein-Protein Interactions
TypeBlog Post...aa 155), includes I152L in N-terminal fragment Constant rate of p53 tetramerization in response to DNA... -
Viral Vectors 101: Chemogenetics
TypeBlog Post...In order to understand the complex wiring of the brain and the underpinnings of neurological disease,... -
Progress Towards a PAM-Free CRISPR
TypeBlog Post...away from a desired site does not have the same devastating impact on efficiency as 10-15 bps away does. ... -
Plasmids 101: 5 factors to help you choose the right cloning method
TypeBlog Post...techniques do tip the scales in your favor. For starters, Golden Gate cloning is extremely efficient due... -
xCas9: Engineering a CRISPR Variant with PAM Flexibility
TypeBlog Post...where cleavage leads to the loss of spectinomycin resistance. xCas9 3.7 showed the broadest PAM range, recognizing... -
Twenty Years of Addgene Sharing: CRISPR
TypeBlog Post...useful tools, and as such, we’re always looking to understand our community better. We therefore looked at ... -
Viral Vectors 101: Voltage Indicators
TypeBlog Post...translate perceived signals to physical actions. Understanding neuronal pathways and the function of certain... -
Transferable Skills Guide: Identifying Your Transferable Skills
TypeBlog Post...not a leader,” because you don’t see yourself standing in front of a crowd and using your charisma to... -
Isolating Genomic Regions of Interest with the CRISPR System
TypeBlog Post...and adaptations that can provide an increased understanding of DNA binding and gene regulation. For additional... -
What’s in Your Tube?: A Quick Guide to Measuring DNA by Spectrophotometry
TypeBlog Post...time and resources allow, you might be better off starting from the beginning. Before trying again, revisit... -
Rett Syndrome: A History of Research and Therapeutic Outlooks
TypeBlog Post...medical journal. Decades later and after years of painstaking work trying to isolate the causative gene for... -
Sonic Hedgehog? Sleeping Beauty? Learn About the Genes Behind Addgene’s Conference Room Names
TypeBlog Post...extremely important gene in animal development. To understand where sonic hedgehog got its name, we need to... -
Viral Vectors 101: AAV Serotypes and Tissue Tropism
TypeBlog Post...table summarizes tissue tropism as we currently understand it. Tropism depends on many variables, so be ... -
Exploring Applications of the Bioluminescent HiBiT Tag
TypeBlog Post...cells with pro-oncogenic traits, facilitating metastatic spread. The authors used NanoBiT assays to quantify... -
Coomassie Purity Stain of Recombinant Antibodies
TypeProtocol...IgG isotype standard 2.5 mg/mL - can use commercial standard or validate an in-house standard Before Starting...Thaw IgG standard and prestained protein ladder on ice. Reagent Preparation Prepare IgG Standard Dilute ...ready-to-use bio-safe Coomassie G-250 stain (Addgene uses SimplyBlue SafeStain) and ImageJ software. The sample... serial dilutions of a standard antibody of known concentration. After staining with Coomassie blue, protein...ready-to-use biosafe Coomassie stain and ImageJ software. Protocols... Protocols Coomassie Purity Stain of Recombinant Antibodies...Antibodies Coomassie Purity Stain of Recombinant Antibodies You may also like... Antibody Plasmid Collection... -
Virus Protocol - Generating Stable Cell Lines
TypeProtocol... Protocols Generating Stable Cell Lines with Lentivirus Generating Stable Cell Lines with Lentivirus... antibiotic resistance (e.g., puromycin, blasticidin), which enables selection of a stable cell culture...lentiviral vectors deliver antibiotic resistance. This protocol was established using 293T cells but can be adapted... of antibiotic, which may not be stable at 37 °C. To achieve a stable cell pool, the antibiotic selection...expression. As polyclonal populations of resistant cells start proliferating and the individual wells become...Protocol to generate stable cell lines expressing a gene of interest from an integrated lentiviral vector...Introduction This protocol can be used to generate stable cell lines expressing a gene of interest from an... -
AAV Titration by qPCR Using SYBR Green Technology
TypeProtocol...help stabilize the standards add carrier DNA to a final concentration of 4 ug/mL to each standard dilution... Once a validated standard curve is obtained, make a small aliquot of each standard (enough for 1 or 2...their initial value. If the Ct value of the standard starts to drift, it’s time to make a new one. When...your plasmid standard with DNase ** Make 6 serial dilutions, in duplicate, of your standard curve plasmid...5'-CGGCCTCAGTGAGCGA ITR-containing plasmid for standard curve RNase-free DNase 10X DNase buffer Nuclease-free...Pipette tips General Considerations Always run standards and samples in duplicate at least If possible,... the samples have been added to the qPCR plate. Start by adding water, then SYBR master mix, then the ...