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TypeBlog Post...were developed before CRISPR-Cas9, for use in applications like siRNA and antisense oligonucleotides. Some... after less than a minute of exposure to the appropriate light. The photoactivatable counterpart to this...protocols to get your CRISPR experiment moving. Happy editing! References and Resources References Hendel...
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Antibodies 101: Conjugation
TypeBlog Post...especially if you start to consider clinical applications). But there are a few other classes that we ...proximity ligation, immuno-PCR, and single-cell applications (Hegazy, et al., 2020; Niemeyer, et al., 2007...al., 2015). However, there are certainly other approaches that involve modifying the antibody sequence ... -
Viral Vectors 101: An Introduction to AAV
TypeBlog Post...experiments. Recombinant AAVs (rAAVs) The primary application of AAV is delivery of genetic cargo to a host...rates for AAVs are generally high enough for this approach to work, although it’s less effective in vivo ... S., et al. “Various AAV Serotypes and Their Applications in Gene Therapy: An Overview.” Cells, 12(5),... -
The time and cost required to make a plasmid
TypeBlog Post...screens and the more traditional “one at a time” approach. According to his math, it takes five hours of...method is free for you, and many labs are quite happy to share, labs that get high volumes of plasmid ...or changes. Fun fact: Addgene’s high-throughput approach means we virtually always use every single well... -
Plasmids 101: The protein expression toolbox
TypeBlog Post...permanent control mechanism? Where is the control happening? Is the regulation of an exogenously introduced...times) into the genome. Make sure to choose an appropriate promoter to express your cDNA, depending on the...flavors of activators which can be used with this approach - read more about them on our CRISPRa blog! ... -
Tagging Optogenetics and Chemogenetics Receptors: Fluorescent Proteins and Other Options
TypeBlog Post...fluorescence that allow easy detection with the appropriate fluorescent illumination in in vivo, ex vivo,...of the most common tags currently used, are approximately 240 amino acids in size. The size of these proteins...Which tag should I use? When deciding on the appropriate tag, the experimental design should be the main... -
Gendered Innovations: Why Does Sex of the Cell Matter?
TypeBlog Post...and Western Europe have taken three strategic approaches to gender equality over the past several decades...Australia worked with stem cells in mice. They appropriately used male and female mice (using both sexes ... the sex of the most commonly used cell lines appearing in American Journal of Physiology-Cell Physiology... -
Teaching an Old DOG New Tricks: Controlling Protein Activity with GFP
TypeBlog Post... Tang and Cepko were eager to see if they could apply GFP regulation to other types of proteins. They ...systems are easily adaptable to neuroscience applications, including optogenetics, and they should make...Tang note that their scaffold system is likely applicable to many types of proteins. For proteins with ... -
Protocol - pLKO.1 – TRC Cloning Vector
TypeProtocol...your convenience. See “warranty information” in appendix. Table of Contents A. pLKO.1-TRC Cloning Vector...References H.1 Published articles H.2 Web resources I. Appendix I.1 Sequence of pLKO.1 TRC-Cloning Vector I.2 ...GenHunter: #Q401 FuGENE® 6 Transfection Reagent Roche Applied Biosciences: #11814443001 OPTI-MEM® serum-free ...protamine sulfate, and puromycin are located in the “Appendix”. F.2. Determining the Optimal Puromycin Concentration...overnight. Day 2: b. The target cells should be approximately 80-90% confluent. c. Dilute puromycin in the...increments. d. Label plates from 1-10 and add appropriate puromycin-containing media to cells. Days 3+:...overnight. Day 2: b. Target cells should be approximately 70% confluent. Change to fresh culture media... -
BeHeard Award 2018: Diseases of Glycosylation, Arginine Mutagenesis, & Neural Development
TypeBlog Post...Glycoimmunology group based at the Research Unit on Applied Molecular Biosciences (UCIBIO) focused on understanding...not related to this rescue function, GdnHCl was approved by the FDA in 1939 for the treatment of botulism...Given its unique molecular biology and previous approval by the FDA, GdnHCl could, in principle, provide... -
Hot Plasmids May 2018 - Optogenetics, Decaffeination, Biosensors, and Fluorescent Protein Tools
TypeBlog Post...some studies have shown that this clustering only happens under certain conditions. With its additional...protein of interest. Fusion protein oligomerization happens within seconds after a pulse of blue light, and...et. al. describe a novel system for the precise mapping of neuronal networks at the single-cell level. ... -
Split-BioID: An Improved Method for Studying Protein-Protein Interactions
TypeBlog Post...biomolecules. They can be part of multiple dynamic and overlapping complexes that have distinct functions. Many .... (2017). Split-BioID a conditional proteomics approach to monitor the composition of spatiotemporally...S., & Varnaitė, R. (2016). Meet the neighbors: Mapping local protein interactomes by proximity‐dependent... -
Adeno Associated Virus (AAV) for Cell and Gene Therapy
TypeBlog Post..., non-enveloped virus that carries a small, approximately 4.7 kb single stranded genome. AAV belongs to... over a period of 1 to 3 years – the treatment appears to be both safe and effective. Challenges for AAV...trials support the utility of AAV as a broadly applicable gene delivery tool, aspects of AAV biology should... -
Science communication: 9 Strategies to Get Your Foot in the Door
TypeBlog Post...of competitive TED talk – to win the audience’s applause with your performance. When your institute opens...guided tours to show people where the lab magic is happening. 3) Volunteer – Step into science education Do... Blog - Hone your writing skills Take the DIY approach and start a blog. Stellar talents like Ed Yong... -
Mouse Modeling, Part 2: Breeding and Crossing Mice
TypeBlog Post...tail clip, or toe clip) and using PCR with the appropriate primers to detect your targeting vector or gene...your parental mouse should be hemizygous at the appropriate allele. When crossed to a mouse that is homozygous...F1 heterozygotes to each other will generate approximately 1 in 16 mice that harbor homozygous alleles ... -
Open Resources and Plasmid Tools For Studying C. elegans
TypeBlog Post...Scientists are currently doing this using two approaches: single-cell RNA-sequencing to identify neuronal... 2019. For more information about the aims and approach of CeNGEN, check out their publication. 3’UTRome...that can be used to simulate muscle tissue as it applies to C. elegans locomotion. To see the other resources... -
A Look Back at One Year of Plasmid Sharing for COVID-19 Research
TypeBlog Post...more about it on the blog. COVID-19 research is happening fast and we’re glad to join these efforts and ... JM, DiVenere AM, Kuo H-C, Javanmardi K, Le KC, Wrapp D, Lee AG, Liu Y, Chou C-W, Byrne PO, Hjorth CK,...resources on the Addgene blog Learn more about mapping the SARS-CoV-2 - human protein-protein interaction... -
Plasmids 101: Modular Cloning
TypeBlog Post...multigene constructs, through multi-TU assembly,happens via three steps: Level 0: Cloning of basic parts...multi-purpose it can be. Let’s review a list of MoClo applications. Genetic circuits Most things in biology are...phenotype is best described with “it’s complicated.” Applying MoClo Interested in using MoClo? You don’t have... -
Antibodies 101: Stripping and Reprobing Western Blots
TypeBlog Post...protein in your sample? Or what if something weird happened during your western and your results look… funky...to probe the blot again, almost like new. This approach preserves your sample and saves you from having...retaining residual antibodies. If you have already applied antibodies and need to dry the membrane for storage... -
3D Printing Meets CRISPR Cas9
TypeBlog Post...of proteins. But they are still flat. To truly appreciate the 3D structure of these proteins, it is necessary...molecular viewing software. In reality, this rarely happens. But if you ever have an opportunity to read one...invariably say something like “Oh,…I didn’t quite appreciate that….” For example, when Tom Steitz was presented...