We narrowed to 590 results for: abo.1
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TypeBlog PostPublishedMarch 10, 2015, 2:25 p.m.... factors such as PAX7, PAX6, AP-2 alpha and ISLET-1. In addition, we distribute monoclonal antibodies ...Monoclonal Antibody Research Institute dedicated to: 1) developing new ways of generating antibodies, for...antibodies to be used as a powerful reagent in the laboratory. The DSHB focuses on monoclonal antibodies,...Hybridoma Bank (DSHB) since 1996. More Blog Posts about Scientific Sharing: The 10 Most Distributed Plasmid...
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The AAVantages of AAV in CRISPR Screens
TypeBlog PostPublishedFeb. 4, 2025, 2:15 p.m....NGS) to identify genes of interest. Figure 1: Overview of in vitro AAV CRISPR screens. Created ...certain experiments. AAV can be safely handled at BSL-1, while lentivirus requires a BSL-2 setup. This requires...CRISPR-induced DNA breaks. Nature Communications, 10(1). https://doi.org/10.1038/s41467-019-12449-2 Pupo,...diseases. Signal Transduction and Targeted Therapy, 9(1). https://doi.org/10.1038/s41392-024-01780-w Additional...Hanlon, K. S., Kleinstiver, B. P., Garcia, S. P., Zaborowski, M. P., Volak, A., Spirig, S. E., Muller, A.,...vivoscreening platform. bioRxiv (Cold Spring Harbor Laboratory). https://doi.org/10.1101/2023.06.13.544831 Santinha... -
AAVs in Retinal Gene Therapy
TypeBlog PostPublishedJuly 31, 2018, 12:55 p.m....and Therapeutic Purposes. Annu Rev Virol. 2014 Nov;1(1):427-51. DOI: 10.1146/annurev-virology-031413-085355...personalized medicine. References and further reading 1. FDA approves gene therapy for blindness 2. Gene Therapy... Med Biol. 2014; 801: 687–693. doi: 10.1007/978-1-4614-3209-8_86. PubMed PMID: 24664759. PubMed Central...famously visited Congress to help increase awareness about the potential of gene therapy!). It would take another...muscular atrophy, neurodegenerative diseases and metabolic diseases are also underway and reported results... -
Isolating Genomic Regions of Interest with the CRISPR System
TypeBlog PostPublishedMay 30, 2019, 12:44 p.m....identification of proteins associated with the IRF-1 locus. Figure 1: Schematic of enCHIP. Image from Fujita...the promoter region of the transcription factor IRF-1. Immunoprecipitation, using an antibody targeting ...References Campbell, Amy E., et al. "NuRD and CAF-1-mediated silencing of the D4Z4 array is modulated ...specific genomic region In 2013, the Hodaka Fujii Laboratory first described a method to purify a specific...additional research conducted in the Hodaka Fujii Laboratory, please also see our interview with Dr. Fujii... -
Chromoproteins: Colorful Proteins For Molecular Biology Experiments
TypeBlog PostPublishedFeb. 4, 2020, 2:15 p.m....attract fish for them to prey upon (Figure 1). Figure 1: The sea anemone's red color can be used ...synthetic biology. Journal of Biological Engineering, 12(1). https://doi.org/10.1186/s13036-018-0100-0 Murakoshi...expression in living cells. Scientific Reports, 9(1). https://doi.org/10.1038/s41598-019-48604-4 Salih... Fluorescent Protein 101 blog series Learn more about FRET Find protocols and tips for making plasmid ... -
Synthesized by Ginkgo Bioworks, Shared by Addgene: SARS-CoV-2 Plasmids for Many Expression Systems
TypeBlog PostPublishedMay 19, 2020, 1:15 p.m....give your research more visibility. Figure 1: Illustration of SARS-CoV-2 from Philippa Steinberg...constructs include proteins like nonstructural proteins 1 to 16, spike proteins, envelope small proteins, and...Humana Press, pp 331–338 https://doi.org/10.1007/978-1-59745-181-9_23 Additional resources on the Addgene...19 blog posts Learn about other COVID-19 plasmids available at Addgene Read about SARS-CoV-2 detection...the full suite of time consuming, costly, and laborious QC for all several thousand plasmids at once. ... -
Multifunctional Neural Fibers: Modulation from Gut to Brain
TypeBlog PostPublishedAug. 31, 2023, 1 p.m....Fun fact: A 1 cm block of polymer can generate many meters of fibers! Fig. 1 - Overview ... and brain neural circuits. Nature Biotechnology, 1–13. https://doi.org/10.1038/s41587-023-01833-5 Resources...I often wonder about the gut-brain axis (admittedly for self-serving reasons – I want to understand my... -
Celebrating One Million Plasmids Shared!
TypeBlog PostPublishedSept. 25, 2018, 2:39 p.m.... @Addgene congrats for 1 million orders. @RothLabUNC accounts for 10,000 or 1%! — BryanRoth (@zenbrainest...to picture (see the picture of our shipping room above), but as Joanne Kamens, Addgene’s executive director...A colossal 547 years! While we are very excited about reaching this milestone, it wouldn’t have been possible... -
Performing In Vivo CRISPR Screens Using the FITS Approach
TypeBlog PostPublishedMay 2, 2024, 1:15 p.m....lentiviral gRNA expression vector (pRDA_526) that (1) enables efficient knockout (KO) of genes in immune...statistical power of in vivo screens. Figure 1: Using FITS to perform in vivo CRISPR screens to assess...faithfully model the complex spatial, cellular, metabolic, and cytokine microenvironment that exists in ...LaFleur is a Postdoctoral Fellow in Arlene Sharpe’s laboratory at Harvard Medical School and is interested in... -
Multiplexed Overexpression of Regulatory Factors (MORF) collection
TypeBlog PostPublishedMarch 30, 2023, 1:15 p.m....the viral TF library, with each cell receiving only 1 TF expression construct. Cells were cultured following...states was generated (Joung et al., 2023). Fig. 1: Barcoded TF library was packaged in lentiviral particles...atlas of directed differentiation. Cell. 2023. 186 (1) 209-229. doi: 10.1016/j.cell.2022.11.026 Joung J....changes. Using this road map, and what was known about previously characterized TFs, the Zhang group were...Additional Resources on the Addgene Blog Learn More about Lentivirus Figure out How to Get the Most from Your... -
Flow Cytometry Readouts: Yes, No, and Everything in Between
TypeBlog PostPublishedAug. 20, 2024, 1:15 p.m....overlap with the negative control population (Figure 1). Based on where the GFP- population ends, you can...total cells present in the gate. Figure 1: Example of yes-no flow plot of the (negative) control...for a yes-no dot plot, like the one shown in Figure 1. Figure 3: An example of a histogram plot ...interest. Created with biorender.com. The plot above is for a smeary expression and is quite different.... Additionally, you can gate off the histograms above, allowing you to visualize your data as a dot plot... -
Antibodies 101: Introduction to Immunofluorescence
TypeBlog PostPublishedNov. 16, 2021, 2:15 p.m.... is conjugated to a fluorophore (Figure 1). Figure 1: Comparison between how direct immunofluorescence...important considerations are to make sure your secondary 1) will recognize the species of your primary antibody...New York, pp 299–311. https://doi.org/10.1007/978-1-4939-8935-5_26 Stuurman N. (2012) Introduction to ... Learn about research applications of antibodies in Introduction to Antibodies Learn more about fluorescence...Stay tuned for a future blog post to learn more about these techniques! Direct vs. indirect immunofluorescence...different approaches to be familiar with when talking about IF, direct and indirect. For direct IF, researchers...immunofluorescence procedure with key considerations about each step. Image created with BioRender.com ... -
Hot Plasmids: Winter 2025
TypeBlog PostPublishedMarch 11, 2025, 1:15 p.m....new combinations of PE protein components (Figure 1), an altered epegRNA delivered with an enhanced pU6cm...amplification of cargo, and heat treatment. Figure 1: Left: recombined prime editing tools PE2max-NC and...conformational dynamics of the motor protein kinesin-1, the Twelvetrees Lab took advantage of the self-labeling..., Craggs, T.D., & Twelvetrees A.E. (2024) Kinesin-1 is highly flexible and adopts an open conformation...synaptic events By Brian O’Neill The Lin Lab and collaborators recently created ASAP5, a faster and more responsive... -
Minigenomes - a Safe Way to Study Dangerous Viruses Like the Ebola Virus
TypeBlog PostPublishedMarch 17, 2016, 2:30 p.m....required for replication and transcription (Figure 1). All viral genes are removed and replaced by a single...cells that stably express T7 (e.g. BSR T7/5 cells) (1). We hope that minigenomes will greatly enhance our...transcription of negative strand RNA viruses. References 1. Buchholz, Ursula J., Stefan Finke, and Karl-Klaus...reverse genetics. Springer Berlin Heidelberg, 2004. 1-41. PubMed PMID:15298166. 3. Hoenen, Thomas, et al...Microbiology, National Emerging Infectious Disease Laboratories. She is interested in genome replication and... -
Sequencing Options for CRISPR Genotyping
TypeBlog PostPublishedOct. 4, 2016, 2:30 p.m.... and reproducibility of a study’s findings. Table 1: Biased Genotyping Options Technique Sequence Information...sequencing doesn’t tell the whole story Figure 1: Schematic representations of the indicated unbiased...types Must be verified with cell-based method IDLV 1% Cell-based Programmable, can detect DSBs in live ...magazine.scienceforthepeople.org/. References 1. Fu, Yanfang, et al. "High-frequency off-target mutagenesis...next-generation sequencing." BMC genomics 15.1 (2014): 1. PubMed PMID: 25409780. PubMed Central PMCID: PMC4246457...et al. 2015). Meanwhile, Sanger sequencing is laborious, time consuming and cannot be applied to heterogenous...viable options for multiplex sequencing in many laboratories. Nevertheless, unbiased detection isn’t as sensitive... -
The PAM Requirement and Expanding CRISPR Beyond SpCas9
TypeBlog PostPublishedAug. 20, 2020, 2:30 p.m....example, Cas9 from Staphylococcus aureus (SaCas9) is about 1 kilobase smaller than SpCas9, so it can be packaged... modify any desired genomic target provided that (1) the sequence is unique compared to the rest of the...will cover three ways to circumvent this limitation: 1) the use of novel S. pyogenes Cas9 variants with varying...Biol 19: . https://doi.org/10.1186/s13059-018-1591-1 Cox DBT, Gootenberg JS, Abudayyeh OO, Franklin B, ...Resources on the Addgene Blog Read more about Cpf1 Read more about SaCas9 and AAV Check out our CRISPR Featured... and VRER) recognize novel PAM sequences (shown above). The VQR, EQR, and VRER Cas9 variants are capable... -
Hot Plasmids: Summer 2024
TypeBlog PostPublishedAug. 27, 2024, 1:15 p.m....10.1038/s41551-024-01227-1. doi: https://doi.org/10.1038/s41551-024-01227-1 CHARM: A compact epigenetic...spacer proteins ending with a GFP nanobody (Figure 1). This enrichment streamlines the purification and...highly-visible beads on the cryo-EM grid. Figure 1: MagIC-cryo-EM for sample enrichment and structure...single-particle analysis of PRC2 with RvLEAMshort (1:6 molar ratio) with 10 minutes of glutaraldehyde crosslinking...transcriptional silencing (Nuñez et al., 2021). Now, in a collaboration with the Vallabh/Minikel Lab, the Weissman Lab... -
Form Your Own Peer Mentoring Group: A How-To Guide for Scientists
TypeBlog PostPublishedFeb. 18, 2014, 4:22 p.m.... experimented with a group mentoring format where 1 mentor met with a group of mentees to get more “bang...The groups in these programs typically consist of 1-2 mentors and 3-5 mentees who meet together for an...get together. If you all work at the same place, a 1-2 hour lunch on a regular schedule might work. If ...for Scientists Series. I have been thinking a lot about Mentoring for over 10 years. Many successful scientists...Medical School researcher Connie Cepko to learn about her mentoring style. While working on this project...postdocs I have started to talk to trainees more about peer mentoring. They want to find mentors to help... questions I get is, “What are we going to talk about?” There are an infinite number of ideas on the internet... -
Reagent Repositories Are Speeding up Science During the Pandemic
TypeBlog PostPublishedAug. 4, 2020, 1:15 p.m....transmissibility, and laboratory studies of COVID-19: an observational study. The Lancet Microbe 1:e14–e23 . https...available from their original sources. Figure 1: Biological repositories that distribute mouse strains... from Reproducibility for Everyone. Case study 1: Cell lines Many of the reagents used to investigate...the Addgene blog Read more about COVID-19 databases and resources Learn about Addgene's work to share plasmids... availability of this strain from The Jackson Laboratory. Originally developed and characterized by Stanley...mouse strain is regaining popularity. The Jackson Laboratory, a nonprofit research institution, has been able... -
Viral Vectors 101: Viruses as Biological Tools
TypeBlog PostPublishedMarch 21, 2023, 1:15 p.m....unleashes its cargo – its own genome. Fig. 1: Viral particle infection into a host cell. Image ...Vector Resources at Addgene! References and Resources 1. Roe T, et al. “Integration of murine leukemia virus...nuclear import of human immunodeficiency virus type 1 preintegration complexes.” Proc. Natl. Acad. Sci. ...applications to help you start (safely!) thinking about the possibilities. Ready to plan your next (or maybe...S, Varmus H. Retroviruses. Cold Spring Harbor Laboratory Press; Cold Spring Harbor, NY, USA: 1997. PubMed...Additional Resources on the Addgene Blog Learn More about Lentivirus Listen to Connie Cepko Discuss Gene Therapy...Addgene.org Browse Our Viral Vector Pages Learn About Viral Vector Biosafety Deposit Your Viral Vectors...