Skip to main content

We narrowed to 932 results for: Gene

Showing: 551 - 600 of 932 results
  1. A Look Back at One Year of Plasmid Sharing for COVID-19 Research

    Type
    Blog Post
    Published
    July 12, 2021, 1:15 p.m.
    ...Calabrese (activation), from Addgene to better understand which human genes are important for SARS-CoV-...deposited at Addgene. Plasmids deposited from Alejandro Balazs’s lab includes those for generating pseudovirus... deposited the plasmids used for this study at Addgene which include a C-terminal deletion in the spike... Bst polymerase constructs from their assay to Addgene.  Drew Endy’s and Philippa Marrack’s labs also ...investigate how the virus interacts with human cells. Addgene’s mammalian target plasmids express these and other...the COVID-19 pandemic, the Krogan lab at UCSF generated lentiviral vectors expressing SARS-CoV-2 open ...10.1089/crispr.2020.0030 Additional resources on the Addgene blog Learn more about mapping the SARS-CoV-2 -...
  2. SciComm: Taking Science to Elementary and Middle Schools

    Type
    Blog Post
    Published
    July 9, 2019, 12:52 p.m.
    ... terms of the vocabulary--DNA, protein, plasmid, gene, etc. Though I talked about CRISPR’s molecular mechanism...quick tips to get things going: If your PTA has a general meeting and a means to request funding for events...7th grade biology teacher. I led up to my job at Addgene, which is likely a career path none of them had...offered engaging examples of how understanding genetics is so timely.” Genome engineering, and many other...guidance and feedback. Additional resources on the Addgene blog Browse our CRISPR blog posts Download our...science communication blog posts Resources on Addgene.org Check out our comprehensive CRISPR guide Find...
  3. What’s in Your Tube?: A Quick Guide to Measuring DNA by Spectrophotometry

    Type
    Blog Post
    Published
    July 1, 2025, 1:15 p.m.
    ... preparations on downstream applications. Qiagen Gene Expression Newsletter. Issue 15/10. March 2010. ... Tech Tip (2013).  Additional resources on the Addgene blog Plasmid Preps: Different Purity, Different... Your Plasmid Purification Kit Resources on Addgene.org DNA Quantification Protocol Recovering Plasmid...
  4. Career Insights: Technical Support Specialist

    Type
    Blog Post
    Published
    Nov. 9, 2017, 2 p.m.
    ...in the fields of gene and cellular therapies.     Additional Resources on the Addgene Blog Read What ...Technical Support Calls Resources at Addgene Visit the Addgene Careers Page Check Out Our Career Videos...You will also help troubleshoot products, give general experimental guidance, and resolve complaints about...willingness to help others with their problems, a general positive attitude, and an open-minded personality...will do well in a technical support role. What general characteristics do jobs in technical support have...covered by the lab based team as part of their general job duties. Bigger companies have dedicated technical...post. Klaus Wanisch is an Outreach Scientist at Addgene. These days he's doing a lot of science communication...
  5. Hot Plasmids - November 2023

    Type
    Blog Post
    Published
    Nov. 14, 2023, 3:35 a.m.
    ...delivery of genetic cargo  By Alyssa NeuhausTo improve delivery and reduce off-target effects of gene therapy...system to improve on-target delivery of genetic cargo Optogenetic proximity labeling and TransitID Tracking...continuous evolution and protein engineering to generate seven new prime editors, PE6a–g, that overcome...10.1038/s41467-023-40788-8. PMID 37612276.   Optogenetic proximity labeling and TransitID By Mike Lacy...transcriptional history of a cell. Lin et al. generated a fusion protein called iPAK4 that assembles into...43R] has been one of the hottest antibodies in Addgene’s collection since we began distribution and has...[K28/43R] under the Application section of the Addgene antibody page, and learn more about the whole-brain...
  6. Course-Based Undergraduate Research Experiences (CUREs)

    Type
    Blog Post
    Published
    Feb. 9, 2023, 2:15 p.m.
    ...my students published their work identifying new genes required for stem and progenitor cell maintenance...incorporated a discovery-based lab on planarian regeneration into one of my own courses, I was excited to...be authentic – students should be attempting to generate new knowledge that will be of genuine interest...Provost’s course recently used a combination of phylogenetic analysis, structural prediction, and bench work...recombinant enzymes in bacteria, purified them to near homogeneity using a 6XHis tag, and compared their specific...
  7. How to Write a Scientific Review Article

    Type
    Blog Post
    Published
    Feb. 16, 2017, 3:30 p.m.
    ...T-cell development, physiology and malignancy." Genes & cancer 6.5-6 (2015): 184. PubMed PMID: 26124919...PMCID: PMC4482241. Additional Resources on the Addgene Blog Writing Scientific Manuscripts: Literature...Manuscript 6 Tips for Grant Writing Resources on Addgene.org Check out Our Hot Plasmids Articles to See Compiled...
  8. Mesothelioma - Causes, Symptoms, and Treatment

    Type
    Blog Post
    Published
    Dec. 13, 2016, 3:30 p.m.
    ...studies show that certain mutations of the BAP1 gene play a role in susceptibility to developing mesothelioma...Additional Resources on the Addgene Blog Find out More About Cancer and Addgene's Cancer Collection Pages...others never do, but we do know that there are some genetic factors involved. For example, multiple studies...research is being done to see what, if any, other genetic factors may be in play. However, there is no question...options: Early detection, immunotherapy, and angiogenesis inhibitors New research is also going into two...bevacizumab (Avastin). This drug (known as an angiogenesis inhibitor) prevents the growth of new blood ...the use of asbestos, thus ensuring that future generations will be protected from this dangerous material...
  9. Better Dyeing Through Chemistry & Small Molecule Fluorophores

    Type
    Blog Post
    Published
    Sept. 8, 2016, 2:30 p.m.
    ...from transient overexpression of protein fusions to gene-edited cells can decrease the number of fluorophores...Fluorescent Protein Should I Use? Resources on Addgene.org Generate Fluorescent Protein Fusions Request Plasmids...in-cell labeling strategies have two parts: (1) a genetically encoded “tag” expressed as a fusion with your... dye ligand (e.g., FlAsH, ReAsH) and a short genetically encoded tetracysteine (Cys4) peptide tag could...TMP-tag) – These widely used systems consist of a genetically encoded enzyme variant tag that reacts specifically...such as paclitaxel. Unlike other systems, no genetically encoded tag is required as the small-molecule...strategies have trade-offs between the size of the genetically encoded tag, the speed and selectivity of the...
  10. Tips from the Repository Trenches: Using Barcodes to Track Samples

    Type
    Blog Post
    Published
    Oct. 6, 2015, 2:30 p.m.
    ...contain either an ampicillin or kanamycin resistance gene. Every step along the way involves good aseptic ...of tube for each plasmid we have at Addgene. Each sample at Addgene has four layers of location which can...pages! Resources Avaliable on the Addgene Blog Read more Inside Addgene Posts! Learn all about Plasmids ...Every plasmid sample enters Addgene the same way. A package is delivered by a mail courier and then the... a microcentrifuge tube. Once a sample enters Addgene’s lab, a series of events is triggered. Each step...fluctuates throughout the year (see graph below). Addgene scientists inspect each sample and make sure they...takes over and prepares the sample for entry into Addgene’s repository. For long-term storage in our facilities...
  11. Plasmids 101: Plasmid Incompatibility

    Type
    Blog Post
    Published
    March 31, 2020, 1:15 p.m.
    ... Ti plasmids in Agrobacterium tumefaciens. Genes & Genetic Systems 77:1–9 . https://doi.org/10.1266/ggs... Resources on Addgene.org Download the Plasmids 101 eBook  Browse plasmids at Addgene Read our Molecular...plasmid partitioning system in the bacteria, but generally it consists of a centromere-like region on the...Kamruzzaman et al., 2017). Additional resources on the Addgene blog Read all of our Plasmids 101 blog posts Learn...
  12. CRISPR 101: Validating Your Genome Edit

    Type
    Blog Post
    Published
    Nov. 3, 2022, 12:15 p.m.
    ...likely -/-, 50% are -/+, and 25% are +/+ for your gene of interest. Thus, to find a null clone, you should...edited. For many experiments, the end goal is to generate a clonal cell line, so it’s important to verify... for a needle in a haystack before going on to generate and screen individual clones. If a clonal line...al., NAR). This technique uses the trace file generated in Sanger sequencing and a simple algorithm to...with your sgRNA sequence. The TIDE software will generate a graph representing all insertions and deletions... 4 clones. Did you use a dual guide system to generate your knockout? Then you’re in luck! You don’t ... to visualize an edit. Most dual guide systems generate a deletion large enough that it can be visualized...
  13. Plasmids 101: E. coli Strains for Protein Expression

    Type
    Blog Post
    Published
    Feb. 10, 2015, 3:06 p.m.
    ...IPTG. T7 RNAP is then available to transcribe the gene of interest from a T7 promoter on the plasmid. Many...::T7 gene1 [lon] ompT gal sulA11 R(mcr-73::miniTn10--TetS)2 [dcm] R(zgb-210::Tn10--TetS) General protein...cytosine within a particular sequence. Browse Addgene's curated list of Bacterial Expression Systems Table...DE3) F- ompT lon hsdSB (rB- mB-) gal dcm (DE3) General protein expression BL21 (DE3) pLysS* Chloramphenicol...ompT lon hsdSB (rB- mB-) gal dcm rne131 (DE3) General expression; not recommended for toxic proteins ...lon hsdSB (rB- mB-) gal dcm araB::T7RNAP-tetA General protein expression  BLR (DE3) Tetracycline RecA-deficient...overexpression? The strains described above should generate sufficient expression levels for most purposes...
  14. Antibodies 101: Beyond Surface Labeling

    Type
    Blog Post
    Published
    June 27, 2024, 1:15 p.m.
    ...achieved through, for example, a previously induced gene knockout. Besides amine- and DNA-binding dyes, nucleoside... on Addgene.org Ready-to-use recombinant antibodies at Addgene Addgene's Antibody Guide Addgene's Antibody... combines a marker with a signal. For clarity, Addgene uses 'labeling' to refer to antibodies and 'staining...Find streptavidin plasmids and biotin plasmids at Addgene!     Figure 1: Indirect detection of target...signal. Dump gating When you are working with heterogeneous cell mixes, like bulk lympho-/splenocytes, you...Antibody Plasmid Collection Resources on the Addgene blog Antibodies 101: Reading a Flow Plot Antibodies...
  15. Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection

    Type
    Blog Post
    Published
    April 9, 2019, 1:13 p.m.
    ...mediated HDR) enables the tagging of endogenous genes close to native expression levels. However, it is...chimera are encoded by DNA. Since researchers can generate almost any DNA sequence in the way that they like...proteins is relatively straightforward. However, generating a fusion while keeping all of the native properties...challenging. In this blog I discuss strategies to generate fusion proteins and highlight some aspects of ... from Aequorea victoria and its variants are genetically encoded fluorescent probes. One of the limitations...restriction enzymes in the multiple cloning site for generating fusions. For the POI-fluorescent protein fusions...sufficient. For the fluorescent protein-POI fusions, we generate straight fusions, without any linker. When both...
  16. Antibodies 101: The Basics of Western Blotting

    Type
    Blog Post
    Published
    March 8, 2021, 2:41 p.m.
    ...do not naturally express the protein or have had gene expression knocked down or knocked out. If you are...antibodies Resources on Addgene.org Find written and video protocols Visit Addgene's antibodies collection...plasmid encoding your protein of interest from Addgene, transfected it into your target cells, now what...wet, semi-dry, and dry but all follow the same general principle where the gel and membrane are “sandwiched...may even find plasmids encoding antibodies from Addgene that you can make on your own.  To narrow your ... found this blog helpful be sure to check out Addgene’s blog for overviews of other antibody topics. ...10.4103/1947-2714.100998 Additional resources on the Addgene blog Find other tips and tricks for molecular ...
  17. Antibodies 101: Introduction to Antibodies

    Type
    Blog Post
    Published
    Jan. 19, 2021, 2:15 p.m.
    ...which come from naturally-occurring immunoglobulin genes, recombinant antibodies are plasmid-based. Their... What is an Antibody? Resources on Addgene.org: Browse Addgene’s Antibody Plasmid Collection Find antibodies...cascades that clear these infections. Anything that generates an antibody response in the immune system is referred...in the DNA of the hybridoma can occur, known as genetic drift, meaning that over time, the antibody you...monoclonal antibodies, recombinant antibodies are a homogeneous population. However, unlike monoclonal antibodies...antigen binding, the variable regions alone can be generated as a fusion protein. An ScFv is made up of the...detect the presence of a single protein from a heterogeneous mixture - for example, cell lysate or media ...
  18. Live and Let Dye: Self-Labeling Protein Tags

    Type
    Blog Post
    Published
    April 16, 2024, 1:15 p.m.
    ...proteins or cloning backbones to study your gene of interest with these tools. Conclusion Researchers and... Ligands GCE4All: Making Genetic Code Expansion Accessible Addgene's Genetic Code Expansion Collection... & Small Molecule Fluorophores. Addgene Blog. https://blog.addgene.org/better-dyeing-through-chemistry-small-molecule-fluorophores... is now the most popular self-labeling tag in Addgene’s collection. CLIP-tag: Also in 2008, Kai Johnsson...specific with a small and minimally-disruptive genetic tag on the protein of interest. Table 1: Summary...are the most popular self-labeling enzymes in Addgene’s collection, so you may be able to get a plasmid...ligand to use for your experiment, and explore Addgene's collection to find self-labeling fusion proteins...
  19. Cancer and the Immune System: Deciphering the Relationship

    Type
    Blog Post
    Published
    March 14, 2017, 2:30 p.m.
    ... 18 lung cancer patients. This study used CRISPR gene editing to knockout PD-1 on immune cells harvested... Cell heterogeneity Tumors are composed of a wide variety of cell types. This cell heterogeneity is an...cells that escape the elimination stage acquire genetic alterations and alter cell-surface antigen production... promotes the production of VEGF to increase angiogenesis around the tumor. This in turn regulates the... immunotherapy. Using activated DCs ex vivo to generate cytotoxic effector T cells, and targeting specific...played a huge role. For instance, researchers are genetically altering tumor cells and immune cells to knockout...element of successful tumor progression. A tumor’s genetic composition is constantly in flux and is dependent...
  20. Antibody Validation for Flow Cytometry

    Type
    Blog Post
    Published
    Sept. 10, 2024, 1:15 p.m.
    ...procedure and application to the major ALS/FTD disease gene C9ORF72. eLife, 8, e48363. https://doi.org/10.7554...101: Validation Resources on addgene.org Addgene's Antibody Guide Addgene's Antibody Protocols... outlined below. Knockout cell line approach Genetic knockout-based validation can conclusively prove...you are working with cells that are amenable to genetic knockout, this represents a very robust approach...to start with a screening procedure in easily genetically modified cell types (top). The specific approach...10.1038/s41598-019-55133-7 More resources from the Addgene blog Introduction to Gating in Flow Cytometry Antibodies...
  21. A Needle in a Base-Stack: Cas9 Structural Biology

    Type
    Blog Post
    Published
    June 4, 2024, 1:15 p.m.
    ...transition from weak, random binding to precision gene editing requires three major steps: RNA loading,...resources on addgene.org  Addgene's CRISPR Guide Addgene's CRISPR 101 eBook  Resources on the Addgene blog Components...from Streptococcus pyogenes.   Figure 2:  Crystal structure of S. pyogenes Cas9 in the apo state...    Figure 3: Crystal structure of S. pyogenes Cas9 bound to guide RNA (PDB ID 4ZT0), shown opaque...sequence isn’t in place yet.     Figure 4: S. pyogenes Cas9 in the apo state (PDB ID 4CMP, top) compared... residues in the CTD can get cozy with DNA. S. pyogenes Cas9 recognizes the PAM sequence 5’-NGG-3’, where...complementary strand is mismatched.   Figure 5: S. pyogenes Cas9 bound to guide RNA and target DNA (PDB ID...
  22. The CRISPR Software Matchmaker: A New Tool for Choosing the Best CRISPR Software for Your Needs

    Type
    Blog Post
    Published
    Nov. 3, 2015, 3:30 p.m.
    ...of highly active sgRNAs for CRISPR-Cas9-mediated gene inactivation." Nature biotechnology (2014). PubMed...to select a tool based on your project and not general opinion. I could spend a lot of time running through... Online tools dominate the software space but generally rely on less powerful algorithms to detect off-targets...tools available mostly work on any computer but generally require working knowledge of the command line ...tools require some kind of data input in order to generate results. While different types of input are more...focus on specific organisms. For this reason I generally recommend that laboratories that have already ...PubMed Central PMCID: PMC4262738. Resources at Addgene Get Tips on How to Design a gRNA Read Our CRISPR...
  23. Prime Editing: Adding Precision and Flexibility to CRISPR Editing

    Type
    Blog Post
    Published
    Jan. 13, 2025, 9:49 p.m.
    ...). Efficient site-specific integration of large genes in mammalian cells via continuously evolved recombinases...Over 75,000 pathogenic genetic variants have been identified in humans and cataloged in the ClinVar database...editing tools. We’ll summarize the major ones in Addgene’s repository later in the post. Advantages of prime...by double strand breaks has been widely used to generate precise changes. However, the efficiency of Cas9...Prime editing has a lot of promise for treating genetic diseases. In our summer Hot Plasmids post, we covered...demonstration of prime editing used to rescue a genetic disease phenotype in an animal model, which was...s41587-022-01527-4 Additional resources on the Addgene blog PRIDICT: Predicting Efficiencies of Prime...
  24. Viral Vectors 101: Voltage Indicators

    Type
    Blog Post
    Published
    Jan. 30, 2024, 2:15 p.m.
    ...Resources on Addgene.org Addgene’s Viral Services Addgene’s Virus Protocols Addgene’s Chemogenetics Guide ...system.   Figure 2: General overview of chemigenetic tools. A genetically encoded component is delivered...Resources on the Addgene blog Viral Vectors 101: Chemogenetics Viral Vectors 101: Optogenetics Fluorescent... within a cell are genetically encoded voltage indicators (GEVIs) and chemigenetic sensors. These tools...on this later). Chemigenetic sensors take a hybrid approach and utilize both a genetic component as well... system. Single Fluor Chemigenetic Sensors This system consists of a genetically expressed enzyme, typically...about how viruses can be used for chemigenetics, biosensors, and generally as biological tools, our blog ...
  25. New Viral Vectors - Winter 2025

    Type
    Blog Post
    Published
    Jan. 28, 2025, noon
    ...AAV1 Chemogenetics Scott Sternson New viral prep pAAV-CaMKIIa-hM3D(Gq)-mCherry AAV1 Chemogenetics Bryan...mCherry AAV1 Chemogenetics Bryan Roth New serotype pAAV-hSyn-hM3D(Gq)-mCherry AAV1 Chemogenetics Bryan Roth... Brian O'Neill.  More resources on the Addgene blog Addgene's Data Hub What is a Virus (and a Viral Vector...but browsing the 49 new preps available in the Addgene viral vector repository with a nice cup of hot ...Table 1: New ready-to-use viral vectors in the Addgene repository  Name Serotype Category Depositor... serotype pAAV-hSyn-hM4D(Gi)-mCherry AAV1 Chemogenetics Bryan Roth New serotype pAAV-EF1α-F-FLEX-mNaChBac-T2A-tdTomato...prep pAAV_hSyn1-SIO-stGtACR2-FusionRed AAV5 Optogenetics Ofer Yizhar New serotype pAAV-CaMKIIa-ChRmine-oScarlet-KV...
  26. Twenty Years of Sharing: Expanding Accessibility

    Type
    Blog Post
    Published
    Nov. 21, 2024, 10:47 p.m.
    ...learn what Addgene can do to help. More resources on the Addgene blog Twenty Years of Addgene Sharing: ...researchers around the globe. Addgene’s educational resources As Addgene built out our scientific support...other videos on Addgene’s YouTube channel.   Figure 4: Global viewership of the Addgene YouTube channel...about virus, I learned from Addgene,” or “I learned to clone from the Addgene website.” We delight in seeing...When Addgene opened in 2004, we focused on creating a repository that made it easy to share plasmids,...accessible, due to a wide range of logistical barriers. Addgene worked to identify, reduce, and remove these logistical...accessible weren’t always the same thing, shaped both Addgene’s founding and our growth into the company we are...
  27. Interview: Hodaka Fujii on enChIP, New CRISPR Tools, and More

    Type
    Blog Post
    Published
    Dec. 2, 2014, 7:23 p.m.
    ...Community Addgene: In 2012 your lab first deposited plasmids with Addgene. In 2014, you joined Addgene's Advisory...lab. In June 2014, Dr. Fujii joined Addgene's Advisory Board.  Addgene: Your lab has worked extensively ... enChIP through Addgene. Retroviral Expression System for enChIP using CRISPR Addgene: Your lab recently...the plasmids of these systems to Addgene in the near future. Addgene: Has your lab been working on any...first knew Addgene around 2010 and found the scheme very nice at first sight in that Addgene takes care...ourselves without Addgene. So, when I received an invitation to join the Advisory Board of Addgene, I accepted...Hodaka Fujii lab's Addgene page and click the "Subscribe to Alerts" link in the Addgene Alerts box. References...
  28. Fluorescent Proteins 101: When GFP lets you down

    Type
    Blog Post
    Published
    Aug. 23, 2018, 12:05 p.m.
    ...expected to grow with the ever-expanding genetic toolbox generated by the continuous effort of numerous scientists...). GFP is the most popular, most widely used genetically encoded fluorescent probe. Several factors contribute...probe, it is the first choice when selecting a genetically encoded fluorescent tag. There are, however, ...1998). Another mutation (A206K) is necessary to generate the strictly monomeric EGFP variant, mEGFP (Zacharias..., followed by an intramolecular reaction that generates the chromophore (Tsien, 1998). Importantly, this...Thorn, 2017). These fluorescent analogues are generally added to the bathing solution and require uptake...adding GFP may alter diffusion rates. Smaller genetically encoded probes are based on cofactor binding ...
  29. Viral Vectors 101: Preparing Pooled Libraries

    Type
    Blog Post
    Published
    July 13, 2023, 1:15 p.m.
    ...If you’ve ordered a pooled library from Addgene, you may have been a little surprised at how this powerful...deposited many types of pooled libraries here at Addgene, including cDNA, barcoding, screening, and gRNA...gRNA libraries. Most of the pooled libraries at Addgene are lentiviral pooled libraries, though other types...types exist.  When you buy a pooled library from Addgene, you can either order a DNA pooled library, which...single tube, or a pre-made viral prep library. Addgene’s pooled libraries are typically DNA preps, but ... A) Amplification, validation, and lentiviral generation of a pooled library. An aliquot of the pooled...experiments. Pooled library lentiviral preps are generally aliquoted to reduce the number of freeze-thaw ...
  30. The Golden Stopwatch Award: Recognizing Facilitators of Research

    Type
    Blog Post
    Published
    Sept. 5, 2019, 1:06 p.m.
    ... institution’s TTO or legal office first. Generally, Addgene is also waiting to receive that legal agreement...materials from Addgene can qualify. We also reward improvement against one’s own record Mention Addgene Master...question? Refer them to Addgene’s Tech Transfer Team: techtransfer@addgene.org Congratulations to the...between a TTO and Addgene, whose terms apply to all future deposits of materials with Addgene Master Reception...between a TTO and Addgene, whose terms apply to all future materials requests from Addgene MTA: material ...commercialization Additional resources on Addgene.org Addgene Help Center: Tech Transfer Technology Transfer...arrival of the newest plasmid you requested from Addgene...the plasmid that will help you run that last ...
  31. Engaging with science and society at pgEd

    Type
    Blog Post
    Published
    Sept. 20, 2018, 12:17 p.m.
    ... Resources on Addgene.org Learn how Addgene engages with the community on our Addgene gives back page...Initiatives for the Personal Genetics Education Project (pgEd). Advances in genetic technologies and other ...broadens the conversation about genetics pgEd, based at the Department of Genetics of Harvard Medical School...existing inequalities and injustices. The Personal Genetics Education Project (pgEd), where I currently work...work, strives to broaden the conversations about genetics and facilitate dialogue between scientists and...the personal, social and ethical implications of genetics. In these conversations, pgEd strives to be inclusive...and empowered to make their own decisions about genetics, both as individual consumers of technologies ...
  32. Learning Technical Skills at a Lab Central Workshop

    Type
    Blog Post
    Published
    Feb. 20, 2018, 2:30 p.m.
    ...Resources at Addgene.org Find pooled libraries at Addgene Find basic lab protocols at Addgene ...As a tech at Addgene, part of my job, in addition to preparing DNA and generating/replenishing kits, ...information from the workshop. Future workshops for Addgene Addgene strives to be a great resource for the research...Technician at Addgene who is interested in medicine and music.       Additional Resources on the Addgene Blog ... use what we learn to improve processes in the Addgene lab. In this post, I’ll tell you a little bit about...excited to go there because both LabCentral and Addgene aim to make scientific advancement easier. NEBNext...extract libraries from previously fragmented DNA.The general process for library preparation using this kit ...
  33. CRISPR 101: Homology Directed Repair

    Type
    Blog Post
    Published
    Jan. 26, 2023, 2:15 p.m.
    ...your desired edit are all you need to generate a knock-in.   General considerations for designing a repair.... A Mouse Geneticist's practical guide to CRISPR applications. Singh P, et al. Genetics 114.169771; ...accurate mechanism for DSB repair. The process is generally error-free provided the DNA template used for ... DNA to the target sequence to be modified. In general, the insertion sites of the modification should...bases can be difficult, thus dsDNA plasmids are generally preferred for large insertions such as fluorescent...efficiency with circular plasmid templates is generally low; to increase the frequency of edits, researchers...targeting region from the vector. Alternatively, PCR-generated or commercially synthesized linear dsDNA templates...
  34. Pooled Library Amplifications

    Type
    Blog Post
    Published
    May 30, 2024, 1:30 p.m.
    ...Libraries Resources on Addgene.org Addgene's Guide to Plasmid Pooled Libraries  Addgene's Pooled Library Collection...chemical transformations are generally cheaper and easier. One library that Addgene distributes with a chemical...contact us at deposit@addgene.org. Happy amplifying! More resources on the Addgene blog Genome-Wide Screening...If you’re depositing a pooled library with Addgene, you may be surprised to learn that we ask for an ...recombination and loss of plasmid diversity, so Addgene strives to distribute aliquots of the original ...requesting scientist receives a pooled library from Addgene, they’ll need to amplify the sample for further...developed for each individual pooled library; generalized amplification protocols tend not to work as well...
  35. The Twelve Days of CRISPR

    Type
    Blog Post
    Published
    Dec. 22, 2020, 2:15 p.m.
    ... CRISPR, Addgene gave to me: a primer on prime editing.  On the second day of CRISPR, Addgene gave to ...On the fourth day of CRISPR, Addgene gave to me: ways to use optogenetics to control CRISPR editing.  ... day of CRISPR, Addgene gave to me: updates on base editing from the first generation of base editors ...the eighth generation (and dual base editors, too!).  On the seventh day of CRISPR, Addgene gave to me... of CRISPR, Addgene gave to me: anti-CRISPR proteins!  On the ninth day of CRISPR, Addgene gave to me:...🎶 On the 12 days of CRISPR, Addgene gave to me… 🎶 A few years ago we used the #12DaysOfCRIPSR hashtag...detect nucleic acids.  On the third day of CRISPR, Addgene gave to me: tips and tricks for designing gRNAs...
  36. SpyLigase Irreversibly Locks Peptides Together for Efficient Cell Capture

    Type
    Blog Post
    Published
    Aug. 13, 2014, 3:49 p.m.
    ...no weak links in the chain.  Addgene: What about the Streptococcus pyogenes protein domain made it ideal...cover it. Addgene: OK, thanks for your time, and thanks for depositing your plasmids with Addgene. Howarth...lab at the University of Oxford is dedicated to generating new tools to manipulate biology based on molecular...based on a protein isolated from Streptococcus pyogenes that locks itself together, to produce irreversible...another important step forward by dissecting that S. pyogenes protein into three parts. Their efforts yielded... from the “S” in Streptococcus and the “py” in pyogenes), capable of locking two peptide tags together... and its potential uses. Developing a new tool Addgene: Where did you get the idea to develop SpyLigase...
  37. Plasmids 101: NGS Quality Control for Pooled Libraries

    Type
    Blog Post
    Published
    Oct. 26, 2017, 1:59 p.m.
    ...reference, Addgene commonly prepares NGS samples using both pre- and post-amplification DNA and generates PCR...CRISPR Libraries Resources on Addgene.org Browse Pooled Libraries at Addgene ...In addition to single plasmids, Addgene also distributes pooled plasmid libraries containing hundreds...million plasmids. These libraries are some of Addgene’s most exciting and versatile offerings! We recently...plasmids are amplified and none are lost. Each Addgene library has its own depositor transformation and...components of the library are represented. Typically, Addgene uses electrocompetent Stbl4 cells when performing...transformation efficiency. For a typical library, Addgene usually does four to eight electroporation reactions...
  38. Celebrating 15 Years of Scientific Sharing

    Type
    Blog Post
    Published
    Jan. 14, 2019, 2:08 p.m.
    ...', style='' %} Resources on the Addgene blog Subscribe to the Addgene blog Read our viral vector blog...blog posts Learn more about Addgene Resources on the Addgene website Find plasmids for your research  ...Addgene has so much to celebrate! As we enter this new growth phase of the organization and the expansion...and the opportunities we have for the future. At Addgene we will never ever stop planning, perfecting, and...new projects. Diversification is happening. The Addgene team will have some fun challenges this year and...get excited about making their first deposit to Addgene. We are also lauded by another set of stakeholders...we received some entirely unsolicited praise: “Addgene, for one, is a sterling example of collaboration...
  39. Building and Validating Recombinant Antibodies: A Case Study

    Type
    Blog Post
    Published
    April 5, 2022, 1:20 p.m.
    ...first antibodies distributed by Addgene.  The plasmids used to generate these antibodies were based off... used to generate cDNA, which  was used as a template for PCR amplification with a degenerate primer set...Introduction to Antibodies Resources on Addgene.org  Browse Addgene's recombinant antibody plasmid collection...Addgene has recently announced the launch of an open-access recombinant antibody resource called NABOR...expressed from plasmids that have been deposited with Addgene. Here, we take a closer look at the construction...et. al., Elife  A limitation of hybridoma generated mAbs is that if the frozen cell line becomes non-recoverable...grow up the cells. This RNA could then be used to generate functional recombinant monoclonal antibody (R-...
  40. The Twelve Days of Antibodies

    Type
    Blog Post
    Published
    Jan. 6, 2025, 5:17 p.m.
    ...Antibody, Addgene gave to me… The Addgene Antibody Data Hub!    🎶On the sixth day of Antibody, Addgene gave...Antibody, Addgene gave to me…  An Antibodies 101 eBook!  🎶On the second day of Antibody, Addgene gave to...Antibody, Addgene gave to me…  An online Antibody Guide!    🎶On the fourth day of Antibody, Addgene gave ...Antibody, Addgene gave to me… Antibodies developed by IPI!   🎶On the eighth day of Antibody, Addgene gave ...Antibody, Addgene gave to me…  A recombinant Anti-APP!   🎶On the eleventh day of Antibody, Addgene gave to...Anti-DYKDDDDK!   🎶On the ninth day of Antibody, Addgene gave to me… A neuroscience antibody collection!...flow plots!   🎶On the twelfth day of Antibody, Addgene gave to me…  A growing recombinant antibody collection...
  41. Hot Biosensors 2022: Year-End Roundup

    Type
    Blog Post
    Published
    Dec. 6, 2022, 2:15 p.m.
    ...new to Addgene this year. Feel the love with MTRIA sensors One of the latest additions to Addgene’s catalog...imaging. Vladislav Verkhusha’s lab has generated a new genetically encoded calcium indicator using small...on the Addgene blog Fluorescent Proteins 101: Fluorescent Biosensors Resources on Addgene.org Fluorescent...Here at Addgene’s headquarters, the skies are getting dark and wintry with the end of year approaching...other targets. Figure 1: MTRIA biosensors are generated by inserting a circularly-permuted GFP into an...localized for synaptic glutamate response. They generated variants optimized for different applications ...St-Pierre lab and colleagues have developed a new genetically-encoded voltage indicator (GEVI) called JEDI-...
  42. Meet an Addgenie: Insights into Grad School, Career Paths, and More

    Type
    Blog Post
    Published
    June 25, 2020, 1:15 p.m.
    ...learning.” Addgene’s Director of Product Management Eric Perkins, who has been in many roles in Addgene since...work at Addgene. I posed this question to all nine of my interviewees. Fabienne Furt, Addgene’s Associate...resources on the Addgene blog Browse our science career blog posts Download Addgene's science career guide... guide Resources on Addgene.org Learn more about working at Addgene ...Flynn and I am currently wrapping up my co-op with Addgene as a DNA Sequencing Analyst intern. As a member...go back to school right away. Shannon Rinaldi, Addgene’s Lab Manager, was taking classes at her local community...community college when she took her first job at Addgene as an Order Processing Assistant. After a few months...
  43. Tips for Technical Support Calls

    Type
    Blog Post
    Published
    Sept. 20, 2016, 2:39 p.m.
    ...Resources on the Addgene Blog Learn About the Addgene Help Center Get Help with the Addgene Deposit Process...emails in my six years as a senior scientist at Addgene. Having spent that long in customer service, I'...Though my experience is based solely on my time at Addgene, I’m confident that these tips and tricks will ...another great source of information. At least at Addgene, the questions in our FAQ section are really, truly...not realize it, all of the reagents available at Addgene come from researchers, and the vast majority of...that for you” meme is infamous enough to have generated it’s own tongue-in-cheek website.  If you are ...happens more frequently than you might think. The Addgene scientists answering the phone are smart, but they...
  44. Year of the Camelid: Antibody Style

    Type
    Blog Post
    Published
    May 9, 2024, 1:15 p.m.
    ...from addgene.org  Plasmids encoding nanobodies at Addgene Sybody Generation Toolbox from Addgene     ...only antibodies. (A) Overview of genetic modifications made to generate the nanomouse. (VHH = variable ...The UN General Assembly has declared 2024 the International Year of Camelids. The declaration is intended...to human populations around the world. Here at Addgene, we love camelids too, though not just for the ...chromobodies,” which are single-domain antibodies genetically fused to fluorescent proteins and used to visualize... synthetic single-domain antibody libraries to generate new sdAbs. There has also been some interesting...) (Xu, et al., 2021).      Figure 2: Genetically modified mice offer an alternative method to ...
  45. Don’t FRET: Bimolecular Fluorescence Complementation Makes Visualizing Protein-Protein Interactions Easy

    Type
    Blog Post
    Published
    Aug. 27, 2020, 1:15 p.m.
    ...been generated for yeast (Kim et al., 2019) and fruit flies (Bischof et al., 2018), the generation of such...quantities (and the correct stoichiometric ratios) to generate useable data. What’s more, measuring and quantifying...straightforward nature of BiFC also makes it easier to generate a large number of constructs for high-throughput...screening of PPIs. For example, Bischof et al. (2018) generated an open reading frame (ORF) library to screen ... such resources in less genetically tractable organisms lags behind. BiFC can also be used to screen for...pair. Find BiFC plasmids for your experiment at Addgene! How to Design a BiFC Experiment Much like FRET...optimized to be successful. A BiFC experiment generally involves three steps: fusion protein construction...
  46. Four Factors that Differentiate the Stem Cell Field

    Type
    Blog Post
    Published
    Sept. 28, 2016, 2:35 p.m.
    ...scientists are generous Besides some of the scientists I've already mentioned, Addgene depositors Marius...What an honor for Addgene to be a part of that!  Additional Resources on the Addgene Blog Learn about...landmark Cell paper showing that it was possible to generate induced pluripotent stem cells (iPSCs) capable...called OSKM factors). As the Yamanaka lab's primary Addgene contact for many years, I've been looking forward...example of the fast movement in this field.  As an Addgene scientist, I'm exposed to many scientific communities...clinical trial patients with advanced macular degeneration; Laurenz Studer discussed his work with Parkinson's...quality control process alone takes nearly a year. Addgene depositor Juan Carlos Izpsua Belmonte said it took...
  47. Transferable Skills Guide: Cross-team Communication

    Type
    Blog Post
    Published
    Nov. 21, 2019, 1:53 p.m.
    ...communication blog posts Resources on Addgene.org Find careers at Addgene ... project I’d seen in my already long tenure at Addgene. I would work with our research team and software...pinpointed and (mostly) solved two main problems with Addgene’s cross team communication. Although these real ...these plates now” to a fellow team member. But, at Addgene, we use seven different types of “plates” (Fig....not the container was barcoded (this is pretty Addgene specific) The types or purposes of each given container...that there were a lot of words that nearly all Addgene teams used that seemed simple, but they could in...solution for this problem was the creation of an Addgene lexicon. The base lexicon was and continues to ...
  48. Three Key Considerations for Precise Neuronal Targeting Using AAV Technologies

    Type
    Blog Post
    Published
    Nov. 27, 2019, 2:03 p.m.
    ...approaches to control transgene expression by restricting expression to genetically defined cell types. ...neuroscientists have begun to use more precise genetic tools: activators, inhibitors, sensors, recombinases...vectors (AAV), neuroscientists can combine classical genetic tools with the manipulation of specific neuronal...changes affect the phenotype. Viral vectors and genetic approaches are continuously refined and developed...molecular tools and sensors Combinations of classical genetic tools, for example Cre/loxP or Flp/FRT, with AAV.... Specific transgene expression can be also achieved in nontransgenic animals by using cis regulatory ... one location can result in expression of an optogenetic payload in neurons that project to different ...
  49. The 12 Days of CRISPR: 2021

    Type
    Blog Post
    Published
    Dec. 28, 2021, 2:15 p.m.
    ...CRISPR, Addgene gave to me: a primer on prime editing.  On the eleventh day of CRISPR, Addgene gave to...all of them here.  On the first day of CRISPR, Addgene gave to me: a miniature CRISPR-Cas system for mammalian... mammalian use. On the second day of CRISPR, Addgene gave to me: engineered pegRNAs to improve prime editing...editing efficiency. On the third day of CRISPR, Addgene gave to me: Selective Endogenous eNcapsidation ... Delivery (SEND). On the fourth day of CRISPR, Addgene gave to me: enhanced prime editing systems through...manipulating MMR machinery. On the fifth day of CRISPR, Addgene gave to me: efficient CRISPR editing with a hypercompact...engineered guide RNAs. On the sixth day of CRISPR, Addgene gave to me: PRIME-del (Precise genomic deletions...
  50. New Viral Vectors - Fall 2024

    Type
    Blog Post
    Published
    Oct. 3, 2024, 1:15 p.m.
    ...preps available in the Addgene viral vector repository! This includes the first Addgene prep packaged in the... AAV1 Optogenetics Karl Deisseroth New serotype pAAV-hSyn-hChR2(H134R)-EYFP AAV2 Optogenetics Karl Deisseroth... Brian O'Neill.  More resources on the Addgene blog Addgene's Data Hub What is a Virus (and a Viral Vector...other new AAV vectors as well — including next-generation biosensors for GABA, dopamine, serotonin, and...Table 1: New ready-to-use viral vectors in the Addgene repository  Name Serotype Category Depositor...serotype pAAV_hSyn-PdCO-mScarlet-WPRE AAV5 Optogenetics Ofer Yizhar New viral prep pAAV_hSyn-DIO-PdCO-mScarlet-WPRE...-PdCO-mScarlet-WPRE AAV1, AAV5 Optogenetics Ofer Yizhar New viral prep with multiple serotypes pAAV-Syn-FLEX-rc...
Showing: 551 - 600 of 932 results