We narrowed to 855 results for: REN
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TypeBlog PostPublishedAug. 18, 2020, 1:15 p.m....For labeling the plasma membrane, they tested different target sequences for improved selectivity and ...into the supernatant. Four plasmids containing different nanobodies (NB) were generated in pMAK: pMAK461...pluripotent stem cells By Jennifer Tsang CRISPR gene interference (CRISPRi) and gene activation (CRISPRa) are ...Addgene! A new dual-deaminase base editor enables concurrent adenine and cytosine editing. Find the plasmids...oscillator, bistable network, stripe pattern-forming incoherent feed-forward loop. Find the plasmids at Addgene...
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Supporting Reproducibility with a Connected ELN
TypeBlog PostPublishedJan. 17, 2019, 1:38 p.m....critically important to be able to conveniently reference specific pieces of data stored externally in the...of research compiled in the ELN. Without such references the record of research is incomplete, making ...research Just as researchers need to access and reference external data sources, they also need to continue...spreadsheets, images, sequencing data, etc.) used and/or referenced in the experiment. Since most ELNs, unlike data...produced, collected, and analyzed. While the many different ELNs out there can help with searchability, record-keeping... -
CRISPR 101: Which Cas9 Do I Choose for My CRISPR Experiment?
TypeBlog PostPublishedOct. 13, 2022, 1:45 p.m....options in our CRISPR 101 series! References and resources References Anzalone, A. V., Koblan, L. W. &...plasmids that have been optimized for expression in different species and cell types including (but not limited.... Nat. Biotechnol. 2020 387 38, 824–844 (2020). Moreno-Mateos, M. A. et al. CRISPR-Cpf1 mediates efficient...101 Series Learn about the PAM Requirements of Different Cas9 variants Learn about CRISPR Pooled Library... -
Antibiotic Resistance: An Old Solution but a New Problem
TypeBlog PostPublishedNov. 10, 2016, 3:30 p.m....multi-drug resistance are resistant to three or more different classes, or types, of drugs used to treat them...resistance can arise, and has arisen, for many different reasons. Exposure to antibacterial drugs provides...drug to work… if the instructions for treatment aren’t followed closely, you could be doing more harm ...bacteria are resistant to antibiotics and which ones aren't? This video shows how to perform a Kirby-Bauer...science communication, and public health. References 1. O'Neill, J. "Tackling drug-resistant infections... -
Data Freedom: The Expansion of Data Sharing in Research Publications
TypeBlog PostPublishedAug. 5, 2014, 6:51 p.m....of veracity of the conclusions drawn. The main difference with the PLOS policy is that access of this data...perhaps similarly impoverished lab) might apply different or novel tools and assumptions to reveal findings...geneticists may track the motion of multiple animals on different occasions via video, generating huge amounts of...albeit unintentional, tendency to work against transparency. This opens science to charges of elitism and...opportunities for research as well as increasing transparency. Thank you to our guest blogger! Jim Woodgett... -
Thanks to Addgene Depositors, We’re Now Sharing over 100,000 Reagents!
TypeBlog PostPublishedApril 8, 2021, 7:25 p.m....almost at: 100,000 different plasmids available from the repository (currently at 98,276 plasmids as...shared in total (currently at 1,484,507 as of April 8, 2021) 5,000 depositing labs (currently at 4,651 as ... -
Quick Guide to Near-Infrared Fluorescent Proteins
TypeBlog PostPublishedOct. 5, 2021, 1:15 p.m....recent research @daria_gift_shch. References and resources References Shemetov, A.A., Oliinyk, O.S. & ...phytochrome (BphPs) photoreceptors have higher apparent cellular brightness than previously reported widely...the monomeric state of a probe leads to less interference with the oligomeric state of a fusion partner...Proteins: Multiplexing and Optogenetics across Scales. Trends Biotechnol 36, 1230-1243 (2018). Shcherbakova, ... -
Antibodies 101: Single Chain Fragment Variables (scFvs)
TypeBlog PostPublishedJune 3, 2021, 1:15 p.m....delivering scFvs that inhibit HIV. References and Resources References: Ahmad ZA, Yeap SK, Ali AM, Ho WY...single chain fragment variables (scFvs)? scFvs weren’t developed for another decade when in 1988 they ...additional rounds of screening. Created with Biorender.com. Some phage display libraries screen antibody... the prevention or treatment of HIV infection. Current Opinion in HIV and AIDS 10:190–197 . https://doi.org... -
CRISPR 101: Validating Your Genome Edit
TypeBlog PostPublishedNov. 3, 2022, 12:15 p.m....dice on a new gRNA in the future! References and Resources References Eva K. Brinkman, Tao Chen, Mario ...your bulk population. This way you can ensure you aren’t looking for a needle in a haystack before going...option, especially if the options outlined above aren’t realistic. Check Out Our Post on Sequencing Options...M, Schönig K, Eckert H, Eschstruth A, Mianné J, Renaud J-B, Schneider-Maunoury S, Shkumatava A, Teboul... -
Fluorescent Proteins 101: When GFP lets you down
TypeBlog PostPublishedAug. 23, 2018, 12:05 p.m....purified protein at different acid concentrations. Overviews of the pKa values of different fluorescent protein...requires an N-terminal consensus sequence (MG-) and prenylation requires a C-terminal consensus sequence (-CaaX...can follow him on twitter: @joachimgoedhart. References 1. Zacharias, David A., et al. "Partitioning ...LOV-based reporters for fluorescence imaging." Current opinion in chemical biology 27 (2015): 39-45. PubMed... -
Adeno-associated Viruses (AAVs) for Genome Editing
TypeBlog PostPublishedMarch 27, 2018, 1:32 p.m....comparable or better than the efficiency of most current CRISPR-based approaches for the generation of knockins...applications that require large gene fusions. The current state-of-the-art in combining the AAV and CRISPR-based..., Georgetown School of Medicine. His research currently focuses on determining the mechanisms and consequences...cohesin gene inactivation in human cancer. References 1. Russell, David W., and Roll K. Hirata. "Human...vectorization of DSB-mediated gene editing technologies." Current gene therapy 16.3 (2016): 207-219. PubMed PMID:... -
CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9
TypeBlog PostPublishedOct. 11, 2016, 2:30 p.m....in a wide variety of organisms. While much of current CRISPR research focuses on its potential applications... region into the plant genome. Created with BioRender.com. In recent years, deaminase-mediated base...agrobacterium-mediated delivery. Summary While different in many of the specifics - promoters used, precise...mediated genome engineering in plants isn’t all that different from how it’s used in other systems. Luckily, ... don’t be afraid to try your hand at CRISPR. References Belhaj K, Chaparro-Garcia A, Kamoun S, Nekrasov... -
Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons
TypeBlog PostPublishedApril 24, 2015, 2:39 p.m....Drosophila. Why Brainbow? Brainbow highlights the trend in biology towards single-cell resolution imaging...bottom of this post for a basic synopsis of the differences amongst the Brainbow systems. Pre-Brainbow techniques...controlled by FLP/FRT recombinase. When placed under different promoters, Brainbow and Flpbow can be used to ...strategy described in Karine Loulier, et al. (2014). Currently, Brainbow techniques are also being applied to...2.1 plasmids Brainbow 3.0, 3.1, 3.2 plasmids References: Transgenic strategies for combinatorial expression... -
A Control for All Seasons
TypeBlog PostPublishedOct. 5, 2023, 1:15 p.m....check out these blog posts. References and resources References Burry, Richard W. “Controls for ..., you will have a better understanding of the different types of controls and be able to use this information...treatment versus and which are likely just natural differences between individuals. Recommended controls for.... Western blotting When comparing samples in different lanes in a western blot, you’ll need to include... -
Recombinase-based State Machines Enable Order-dependent Logic in vivo
TypeBlog PostPublishedJuly 28, 2016, 2:30 p.m....register (Fig. 1C below). If attB-attP pairs from different recombinases are overlapping or nested on a register...that enters distinct states when treated with different combinations and orders of two recombinases. ...or strings of parts may be PCR-ed out of their current registers and used to build new registers. The ... register. The purpose of this is to prevent interference between the transcribed gene and its 5’ UTR.... in biocomputing and biological circuits. References 1. N. Roquet et al., Synthetic recombinase-based... -
Plasmids 101: Restriction Cloning
TypeBlog PostPublishedFeb. 18, 2016, 3:42 p.m....their different migration speeds; after running the gel for some duration of time, these differently sized...time required for complete digestion varies for different enzymes. Many companies now sell fast digest enzymes...purification. In gel purification, you use a voltage difference across a gel matrix (usually agarose) to pull...sized pieces will be in different locations and can be cut out of the gel individually. There are a variety... -
Streaking for Single Colonies: The Streak Plate Challenge
TypeBlog PostPublishedMarch 2, 2021, 2:15 p.m....He mixed together 10 E. coli strains producing different pigments, and tasked the students to separate ...over 20 years. Previously, the lab used three different species for the challenge, but one species always...Addgene is have the students transform them into different strains of E. coli,” says Westenberg. During the...transformation experiment, he plans to show how different genetic backgrounds of the host strains affect... -
Activate Addgene's "Find Plasmids" Badge on Pubmed Abstracts
TypeBlog PostPublishedMay 12, 2017, 12:58 p.m....“NCBI Site Preferences” box. Once on the Preferences page, navigate to “PubMed Preferences” and click ... that you know how to navigate to the PubMed Preferences and Filters pages, be sure to check out the other... -
Visualizing Your Plasmid Request Data
TypeBlog PostPublishedApril 11, 2023, 4 p.m....requested plasmid, the number of requested plasmids, or trends of requests over time. Visualizing the data So,...is a great step up, but I needed a way to show different aspects of the data simultaneously. That’s why...dashboards are (i) easy access to important numbers and trends, (ii) user interaction with the data, and (iii)...new data. These features are incorporated in the current dashboard. The dashboard is coded in R Markdown... -
Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering
TypeBlog PostPublishedDec. 15, 2016, 3:57 p.m....allele is selectable, it can be transferred to a different genetic background via P1 transduction. Plasmid...could be used to move the modification into a different background, if needed. This approach is best suited...our guest blogger, Beth Kenkel Beth Kenkel is currently a research scientist in the Department of Laboratory...science communication and in vitro diagnostics. References 1. Costantino N, Court DL. Enhanced levels of...Engineering in Bacteria Using Homologous Recombination. Current Protocols in Molecular Biology. 106:V:1.16:1.16.1...