Skip to main content

We narrowed to 868 results for: REN

Showing: 501 - 550 of 868 results
  1. Lighting Up Cell Signaling with Photoswitchable Kinases

    Type
    Blog Post
    Published
    July 25, 2017, 1:20 p.m.
    ...but where the kinases are located, their signal strength, and how long their signals last all impact transduction... or “on.” Dronpa’s color thus indicates MEK1’s current state (Green when off, dark when on). Figure 1...function of the protein and pdDronpa are preserved. References 1. Zhou, Xin X., Linlin Z. Fan, Pengpeng Li, ...28232577. Figures 2-4 were modified from this reference. 2. Regot, Sergi, Jacob J. Hughey, Bryce T. Bajar...
  2. RANbodies: Reporter Nanobody Fusions

    Type
    Blog Post
    Published
    April 10, 2018, 12:56 p.m.
    ...antibodies Conventional antibodies are a non-renewable reagent - Their production requires animal sacrifice...produce - Hybridomas offer an alternative and renewable source of monoclonal antibodies, but they are ... their use. Each RANbody is detectable by two different tags: a reporter and an HA tag. The reporter comes... link to its sequence in the comments below. References Sanes, J.R., & Yamagata, M. (2018). Reporter-...
  3. Oh, The Places You Can Go: Careers in Science Communication - Writing for a Research Institute

    Type
    Blog Post
    Published
    Feb. 2, 2018, 3:20 p.m.
    ...SciComm by doing SciComm Writing had always been a strength of Susan’s, but she didn’t know if she liked science... of a team.” It took her two years to find her current position at Fred Hutch because her skill set wasn...connections she made through this program lead to her current job. “One of my colleagues in the class was like...Hutch magazine. Getting pulled in all of these different directions is sometimes at odds with the space...
  4. Celebrating 15 Years of Scientific Sharing

    Type
    Blog Post
    Published
    Jan. 14, 2019, 2:08 p.m.
    ... vector team is publishing research, hosting conferences, and are expanding our catalog of materials to...appearance and functionality are happening and this strengthens our image in the world. Addgene is now as much...practices and benefits and these are making a difference. We serve scientists around the globe and our...Thanks to all the Addgenies and congratulations to current and alumni Addgenies on our success. Thanks to ...
  5. Transferable Skills Guide: Public Speaking

    Type
    Blog Post
    Published
    April 20, 2023, 4 p.m.
    ...sixty seconds of silence–but it was thorough and coherent.  To be honest, if my paper hadn’t been ridiculously...to stop talking until I could present something coherent or to quickly string together all the words that...screeching feedback. You’re muted on Zoom. Your video conferencing software freezes and then crashes. You’re muted... a clear, informative presentation, speak at conferences, or even just provide quick updates during a ...
  6. To Each HIS Own

    Type
    Blog Post
    Published
    March 2, 2023, 2:15 p.m.
    ...if you need a very pure sample. Because binding strength is proportional to the length of the tag, with...Antibodies.) Unfortunately, for some proteins there just aren’t any good antibodies available. In these cases, ...antibody posts from our blog!  Resources and References  Resources on addgene.org Addgene Antibody Guide...ChIP Antibodies 101: Introduction to Antibodies References Hochuli E, Bannwarth W, Döbeli H, Gentz R and...
  7. Enhancing CRISPR Targeting Specificity with eSpCas9, SpCas9-HF1, & HypaCas9

    Type
    Blog Post
    Published
    Dec. 16, 2015, 3:30 p.m.
    ...the target strand and the gRNA. Created with BioRender.com. To decrease the electropositivity of the...mutations). Although the precise mutations were different than those found in eSpCas9, the effect on specificity...and/or therapeutic settings. Will combining the different mutations found in each of these great tools further...continued improvements in genome engineering! References 1. Slaymaker, Ian M., et al. "Rationally engineered...
  8. Writing Scientific Manuscripts: Literature Searching, Reading, & Organizing

    Type
    Blog Post
    Published
    May 5, 2015, 3:54 p.m.
    ...scientific manuscript will require numerous other references to scientific literature to substantiate the ...literature related to the topic. Finding reliable references and sorting out what they mean is no small task...focus in on a particular conclusion. Many papers aren’t always written this way and there is a greater ...inspiration and accountability. There are a few different ways to automate the process as well. Sign up ...
  9. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

    Type
    Blog Post
    Published
    Nov. 14, 2024, 2:15 p.m.
    ...without permanently altering the DNA, CRISPR interference (CRISPRi) and CRISPR activation (CRISPRa) are...study ncRNA, CRISPR systems offer a number of different options. By carefully considering your ncRNA of... you more about its function.  Resources and references Resources on addgene.org Addgene's CRISPR Guide... CRISPR enzymes for transcriptome engineering References Jinek M, Chylinski K, Fonfara I, Hauer M, Doudna...
  10. Making CRISPR Plasmids Using Fragmid

    Type
    Blog Post
    Published
    Aug. 29, 2024, 1:15 p.m.
    ...CRISPR experiment. Happy cloning! References and Resources References McGee, A. V., Liu, Y. V., Griffith...chosen because of their broad applicability in different model systems. What’s the error rate? The Doench...Table 1 has a list of Fragmid destination vectors currently available. Table 1: Fragmid destination vectors...
  11. Hot Plasmids and Viral Preps - January 2021

    Type
    Blog Post
    Published
    Jan. 5, 2021, 2:15 p.m.
    ... recombinase/photodimer pairs. Created with BioRender.com In their recent ACS Synthetic Biology publication...fold more photostable and as bright to mVenus, the parent YFP, and is the most photostable YFP to date. As...and reduced RNA-off target footprint compared to current N-terminal linked SaCas9 ABE variants. It's also...specific tight affinity glutamate sensor from the Loren Looger Lab now available in AAV1. Get GFAP.SF-iGluSnFR.A184S-AAV1...
  12. Lab Automation at Addgene

    Type
    Blog Post
    Published
    March 22, 2018, 1:28 p.m.
    ... one. As a starting point, I would recommend conferences like Lab Robotic Interest Group (LRIG). There...customizability. It has a large deck that can house many different types of devices. As long as a device fits on ... Software for Biology Tips from the Repository Trenches: Using Barcodes to Track Samples Resources at...video library Check out our molecular biology reference pages ...
  13. Tips for Titering Your Lentiviral Preps

    Type
    Blog Post
    Published
    March 15, 2016, 2:30 p.m.
    ...options as well as the benefits and drawbacks of different methods (for comprehensive protocols for all of...used in the transfection; if preparing several different lentiviruses in parallel, this approach should...that standard conditions be used when comparing different batches of virus. In addition, some viral preps...step of a successful transduction experiment. References 1. Kutner, Robert H., Xian-Yang Zhang, and Jakob...
  14. 10 Basic tips for mammalian cell culture

    Type
    Blog Post
    Published
    July 12, 2018, 1:09 p.m.
    ...Also, keep all liquid containers closed when they aren’t in immediate use. This will prevent spills, but...could change their growth rates and morphology, rendering their continued use inadvisable for experiments...in a lab where multiple people are working on different things, this will help you avoid cross-contamination... Immunology. You can find Sana on LinkedIn.   References 1. Yin, R., et al. "Gene expression profiling...
  15. Chromoproteins: Colorful Proteins For Molecular Biology Experiments

    Type
    Blog Post
    Published
    Feb. 4, 2020, 2:15 p.m.
    ...chromoprotein and how is it different from fluorescent proteins? Before going into the difference between chromoproteins...research Read our Molecular Biology Reference Find plasmids for FRET References Blanquet RS, Phelan MA (1987...
  16. xCas9: Engineering a CRISPR Variant with PAM Flexibility

    Type
    Blog Post
    Published
    March 28, 2018, 6:52 p.m.
    ...species, like S. aureus and N. meningitidis require different PAM sites than SpCas9, in this case, NNGRRT and...single PAM recognition. Created with BioRender.com. After 24 days of phage propagation, Hu ...percentages, with fold changes compared to SpCas9 in parentheses. The development of xCas9 3.6 and 3.7 shows ...is working for you in the comments section! References Hu, Johnny H., et al. "Evolved Cas9 variants ...
  17. Plasmids 101: Degron Tags

    Type
    Blog Post
    Published
    March 14, 2024, 1:15 p.m.
    ... can make an informed choice!   References and Resources References Bondeson, D.P., Mullin-Bernstein,...are titratable. With these tags, protein levels aren’t limited to ‘on’ and ‘off’; varied levels of drug...profile their effectiveness with over a dozen different proteins. In the end, you can’t predict with absolute...
  18. Plasmids 101: Optimizing Plasmid Yields

    Type
    Blog Post
    Published
    May 26, 2016, 2:30 p.m.
    ... Let it incubate Check the bacterial strain Differences between E. coli host strains can impact plasmid...might want to include an extra wash step or use a different strain. For most applications, Addgene uses and...inadequate plasmid DNA yields. Why would volume make a difference? In the simplest of terms, more volume = more...conditions play a critical role in plasmid DNA yield. Different plasmids and strains will vary in their optimal...
  19. Anatomy of a Plasmid Page at Addgene

    Type
    Blog Post
    Published
    Feb. 4, 2016, 3:30 p.m.
    ... ever found yourself bamboozled by all of the different kinds of information on our plasmid pages? Well...depositing lab, although you may have an entirely different use in mind! This section of our plasmid pages... you to use in your Materials and Methods and References sections when citing the use of your colleague...e.g. if it was derived from a plasmid made in a different lab - or one obtained from Addgene!).  It also...
  20. Interview: Nicola Patron on Plant Synthetic Biology, MoClo, and More

    Type
    Blog Post
    Published
    June 12, 2014, 3:30 p.m.
    ...anymore. The kit contains sequences for several different fluorescent proteins. Visualizing fluorescence...use our promoters and terminators, but then they aren’t sure how to convert their own coding sequence to...with the Athena SWAN Charter and it has really strengthened the network of female scientists. Twitter has...for those who go to work in cancer biology.  References: A Golden Gate Modular Cloning Toolbox for Plants...
  21. CRISPR 101: RNA Editing with Cas13

    Type
    Blog Post
    Published
    July 31, 2020, 12:30 p.m.
    ...alleles, or introduce a premature stop codon to render an RNA nonfunctional. In their quest to build a...are present in the gRNA spacer, as ADAR will preferentially edit an adenine if the template has a cytosine...(Abudayyeh et al., 2019). To avoid some of the inherent drawbacks for RNA editing of natural cytidine ... Valley contributed to updating this article. References Cox, David B.T., et al. “RNA editing with CRISPR-Cas13...
  22. Droplet Digital PCR for AAV Quantitation

    Type
    Blog Post
    Published
    Jan. 16, 2020, 2:18 p.m.
    ...known quantities of DNA. Additionally, an AAV reference, a virus with a known titer, can be used to confirm...both results would be valid. This is why the AAV reference is critical. It allows you to determine if your... PCR (ddPCR) does not require a standard or a reference, meaning saving on reagents (and time)! AAV titering...becoming a popular option for PCR experiments.  References Furuta-Hanawa, Birei, Teruhide Yamaguchi, and...
  23. Isolating Genomic Regions of Interest with the CRISPR System

    Type
    Blog Post
    Published
    May 30, 2019, 12:44 p.m.
    ... adaptations of this system have been made in different fields of study. In addition to the identification...purification with an anti-Cas9 antibody. These different tag systems and affinity purification schemes ...dystrophy (FSHD), a disease for which there is currently no cure (Campbell et al., 2018). Find plasmids...please also see our interview with Dr. Fujii. References Campbell, Amy E., et al. "NuRD and CAF-1-mediated...
  24. Viral Vectors 101: The Retroviral Lifecycle

    Type
    Blog Post
    Published
    July 27, 2023, 1:15 p.m.
    ...dimerized linear ssRNA strands (which can have a different genomic sequence from one another) — by various... with lentiviral replication.  Resources and References More resources on the Addgene blog Viral Vectors...popular lentiviral plasmids γ-Retrovirus Guide References Cullen, B. R. (1992). Mechanism of action of ...Delivery of Gene-Editing Systems Based on CRISPR/Cas: Current State and Perspectives. Viruses, 13(7), 1288. https...
  25. Lentiviral Vector Uses and Overview

    Type
    Blog Post
    Published
    May 19, 2016, 2:30 p.m.
    ... applications. Read on to learn more about the current (and future) applications of lentiviral vectors...facilitates nuclear export of transcripts). A different viral envelope protein (Env), usually from VSV-G...plasmid number. For more information on the key differences between the 2nd and 3rd generation packaging ...use lentivirus in the comments section below! References 1. In vivo gene delivery and stable transduction...
  26. Tips for Screening with Yeast Two Hybrid Systems

    Type
    Blog Post
    Published
    Oct. 22, 2015, 2:30 p.m.
    ...when separated (2), and that DBD and TAs from different systems could be combined effectively (3). In ...a more vigourous screen is to use a number of different bait and prey vectors. This has been shown to ...split ubiquitin system has been devised (8). References 1. Casadaban M.J., Martinez-Arias A., Shapira...Science. 1986; 231:699-704. PubMed PMID: 3080805. 3. Brent, R., and Ptashne, M. A eukaryotic transcriptional...
  27. Cpf1: A New Tool for CRISPR Genome Editing

    Type
    Blog Post
    Published
    Oct. 14, 2015, 2:30 p.m.
    ...endonuclease domain, indicating that Cpf1 functions differently. Since Cpf1 loci are widely distributed across...could be adapted for genome editing. The use of a different nuclease could potentially overcome some of Cas9...Figure from Kleinstiver et al., 2016. Cpf1’s strength may lie in its low off-target editing rates, determined...shown the diversity of CRISPR-based systems. References 1. Zetsche, Bernd, et al. "Cpf1 is a single RNA-guided...
  28. Your Lentiviral Plasmid FAQs Answered

    Type
    Blog Post
    Published
    April 23, 2014, 1:08 p.m.
    .... While these differences may seem subtle they result in a key physiological difference between lenti-... system is that it involves transfecting four different plasmids into the producer cells (two packaging...as the viral long terminal repeats (LTRs) are different. As a result, lentiviral and retroviral packaging...
  29. Negotiating Work and Life: How to Find the Joy

    Type
    Blog Post
    Published
    March 20, 2014, 3:04 p.m.
    ... to a conference. Really. No one will starve while you are away a few days. Also, your children will enjoy... yourself, “I’m not married,” or “I don’t have children, so my life will be under control.” Think again... hard not to do this. For a family with working parent(s), the sooner your kids can make a decent meal...
  30. Hot Plasmids: Fall 2024

    Type
    Blog Post
    Published
    Nov. 21, 2024, 1:30 p.m.
    ...middle of proteins) and performs well in many different antibody-based applications.  IPI’s recombinant...virus 5 and their use in revealing antigenic differences between human, canine and simian isolates. J ...systems don’t always work across species due to differences in natural DNA repair pathways and spontaneous...at focal adhesions in living cells in several different contexts.   Figure 5: Left: Mechanism ...
  31. Controlling for Off-target Effects with a New Genome-wide CRISPR Screen Design

    Type
    Blog Post
    Published
    Sept. 13, 2018, 1:55 p.m.
    ...that safe-targeting guides better control for the inherent effects, or background noise, of dsDNA breaks ...on-target activity. However, there was no significant difference in depletion of ricin sensitizer genes identified...Knockout Library are available from Addgene! References 1. Morgens, David W., et al. "Genome-scale measurement...libraries Find all of the CRISPR Pooled Libraries currently available from Addgene Other Resources Watch...
  32. Neuronal labeling with Spaghetti Monster

    Type
    Blog Post
    Published
    Aug. 14, 2018, 12:42 p.m.
    ...tracking experiments (Rizzo, 2009). With many different FPs that emit across the visible spectrum, researchers...of existing FP and epitope tags, researchers in Loren Looger’s lab have developed new molecular tags combining...antibodies. The “spaghetti monster” name is a reference to the deity of the social movement, the church... to the expanded use of smFPs in the future. References 1. Viswanathan, Sarada, et al. "High-performance...
  33. Transferable Skills Guide: Creativity

    Type
    Blog Post
    Published
    Jan. 18, 2022, 2:15 p.m.
    ...the lab can be applied anywhere! References and Resources References Grant, A. (2017). Originals how non-conformists...inclusivity. Work with and value people who think differently from you and you will arrive at unique solutions...ability to innovate. (Finkelstein, 2019) One issue currently plaguing the scientific community is supply chain...
  34. Finding nucleic acids with SHERLOCK and DETECTR

    Type
    Blog Post
    Published
    April 16, 2020, 1 p.m.
    ...variations of Cas13 and Cas12a, are combined with different fluorescent reporters for each enzyme. In addition...Zetsche et al., 2015 ). Cas12a however recognizes a different PAM site and generates 5’ and 3’ staggered ends...Jennifer Tsang contributed to updating this article. References Abudayyeh OO, Gootenberg JS, Konermann S, Joung... Mondini A, Nogueira ML, Isern S, Michael SF, Lorenzana I, Yozwiak NL, MacInnis BL, Bosch I, Gehrke L,...
  35. Advanced Uses of Cre-lox and Flp-FRT - A Neuroscientist’s View

    Type
    Blog Post
    Published
    Oct. 19, 2017, 1:54 p.m.
    ... Optimizing FLP FRT through smart engineering Different FLP versions – making FLP efficient The first ...efficiency to Cre (Kranz et al. 2010). These differences in recombinase efficiency are important to keep...should be visualized at the same time from two different plasmids this approach becomes problematic as ...the genOway press release for more information. References 1. Atasoy, D., Y. Aponte, H. H. Su, and S. M....
  36. Overcoming the AAV Size Limitation for CRISPR Delivery

    Type
    Blog Post
    Published
    Sept. 16, 2020, 1 p.m.
    ...immunogenicity and range of serotypes allowing preferential infection of certain tissues. However, packaging...equally potent Cas9 protein, the Zhang lab took a different approach. They analyzed over 600 Cas9 orthologs...Sontheimer lab used NmeCas9 with AAV to edit two different disease-causing loci in mouse liver.  Two other...have also been used to express base editors. References Chew WL, Tabebordbar M, Cheng JKW, Mali P, Wu...
  37. CRISPR-mediated Plant Base Editors

    Type
    Blog Post
    Published
    Jan. 3, 2019, 1:35 p.m.
    ...0-5%. This blog post covers a brief review of different basic BE technologies and their adaptation for...Nickase Cas9 (D10A) Deaminase PAM requirements Reference CBE SpCas9 rAPOBEC1 NGG 6 SpCas9 Target-AID...Rice Research Institute, Cuttack, Odisha, India. Currently Kutubuddin is a Fulbright Visiting Scholar at ...improvement in the laboratory of Yinong Yang at PSU.   References 1. Komor, Alexis C., et al. "Programmable editing...
  38. New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression

    Type
    Blog Post
    Published
    Jan. 24, 2023, 2:15 p.m.
    ... the Shapiro lab at Caltech.   References and Resources References Piraner, D. I. et al. Going Deeper...produce ultrasound contrast. We (the authors) are currently working on improving and optimizing ARGs, with...straightforward to engineer various cell lines from different tissues and mammalian species to produce gas vesicles...
  39. Plasmids 101: Gateway Cloning

    Type
    Blog Post
    Published
    Jan. 12, 2017, 3:30 p.m.
    ... The entry clone and destination vector carry different antibiotic resistance markers (indicated here ...STEP 1: Generate an Entry Clone There are a few different ways to generate our desired entry clone - human...interest: Find Gateway cloning plasmids here! References 1. Chee JY, Chin CF (2015) Gateway Cloning Technology... Digest Video Check Out Our Molecular Biology Reference Pages  ...
  40. 5 Reasons to Use Reddit for Science Communication

    Type
    Blog Post
    Published
    Oct. 20, 2016, 2:30 p.m.
    ...of conversations with people who work in many different scientific fields. They also host AMA forums where...first makes Reddit a great platform for those who aren’t so great at coming up with answers off the cuff...future. The AMA was also cataloged for permanent reference by the Winnower. The only small downside to the...leaving out the term “implicit bias” which is apparently a troll trigger phrase these days). Redditors...
  41. Filming Science Videos in the Age of Social Distancing

    Type
    Blog Post
    Published
    May 20, 2021, 1:15 p.m.
    ... involved multiple people in tight locations. Conference rooms for on-screen presenters! Labs and benches...Zoom, everyone’s new favorite third-party video conferencing software. Interviewees could simply boot up ...while the camera is here, the operator is in a different room.   Design: The previous cycle made me...monitor and teleprompter being repurposed for a different shoot to create the How to Deposit Plasmids video...
  42. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

    Type
    Blog Post
    Published
    May 5, 2020, 1:15 p.m.
    ...testing is crucial in controlling this pandemic. Currently, the CDC uses RT-qPCR tests to diagnose COVID-...Cas12a, Cas13a does not require strict sequence preferences at the target site, while Cas12a requires a PAM...femto-aptomolar range. For more details on the differences between these methods, check out this table.  ...can follow her on Twitter @shra_krishna.       References Azhar, M., Phutela, R., Ansari, A. H., Sinha,...
  43. CRISPR 101: Epigenetics and Editing the Epigenome

    Type
    Blog Post
    Published
    June 24, 2020, 5:45 p.m.
    ...with transcriptional activation. Created with BioRender.com. Tet1 demethylase Ronggui Hu’s lab has created... with increased transcription. Created with BioRender.com. Tet1 initiates cytosine demethylation of...with transcriptional repression. Created with BioRender.com. DNA Methyltransferase MQ1 Margaret Goodell's...Schwiesow contributed to updating this article. References Haldeman JM, Conway AE, Arlotto ME, et al (2018...
  44. Technique: Probe Phage Genomes for Host Binding Proteins

    Type
    Blog Post
    Published
    Sept. 29, 2016, 2:30 p.m.
    ...influence the evolution of their bacterial prey. Currently, receptor binding proteins (RBPs, the host recognition...thinking. Find her on Twitter @JessicaSacher.   References 1. Nobrega, Franklin L., et al. "Revisiting phage...phage therapy: new applications for old resources." Trends in microbiology 23.4 (2015): 185-191. PubMed PMID...bacteriophage-encoded glycan binding proteins and carbohydrates." Current opinion in structural biology 34 (2015): 69-77....
  45. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

    Type
    Blog Post
    Published
    Dec. 17, 2020, 1:30 p.m.
    ... strategies in C. elegans As brilliantly and irreverently illustrated in the parable of the Geneticist...the sequence added, leaving a 34 bp “scar”, but currently requires additional experimental manipulation....days. The only animals on a plate, other than the parental animal, are rescued progeny, which makes screening...more at his webpage or follow him on Twitter.   References Arribere JA, Bell RT, Fu BXH, Artiles KL, Hartman...
  46. Technologies Enabled by NanoLuc® Luciferase

    Type
    Blog Post
    Published
    Feb. 8, 2018, 12:17 p.m.
    ...more common luciferases like firefly (FLuc) and Renilla (RLuc) luciferase. This is important not so much...strategy was first applied using RLuc8, an engineered Renilla luciferase, to produce a series of FP-RLuc8 fusions... #85201), Orange (OeNL; plasmid #85202) and Red (ReNL; plasmid #85203) NLuc fusions. The Nagai lab has...Promega cellular analysis products at Promega.     References 1. Hall, M.P., et al. (2012) Engineered luciferase...
  47. Which Fluorescence Microscopy Technique is Best for Me?

    Type
    Blog Post
    Published
    Oct. 10, 2017, 1:57 p.m.
    ...excitation light path. Each hole corresponds to a different location in the sample. As more than one hole ...one of four categories that are each suited to different types of modern day fluorescence microscopes (...means that the images will appear sharp without interference from blurry out-of-focus light. The most difficult...microscopy manufacturers have similar information References 1. Lichtman JW, Conchello JA. Fluorescence microscopy...
  48. Find and Share AAV Data with Addgene's New AAV Data Hub

    Type
    Blog Post
    Published
    Oct. 8, 2019, 12:33 p.m.
    ...over 100 entries spanning six different species and dozens of different expression sites. The Data...the AAV Data Hub is a beta project, and we are currently only accepting data for materials distributed ...
  49. Antibody Data Repositories and Search Engines

    Type
    Blog Post
    Published
    Oct. 31, 2024, 1:15 p.m.
    ...search engines, which allow you to search many different antibody catalogs at the same time.  If you're...Library for Cancer Research Human Luekocyte Differentiation Antigen Workshops Immune cells Flow cytometry...others) Data repository From the Human Cell Differentiation Molecules group Addgene Data Hub Any ...
Showing: 501 - 550 of 868 results