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  1. Networking Follow-up: I Met a Person. Now What?

    Type
    Blog Post
    Published
    Jan. 12, 2021, 2:15 p.m.
    ... for favors.  Don’t focus on networking with “important” or senior people. Focus on building relationships...times if you don’t get a response. It breaks an important law of networking--don’t be creepy. There is a...children. When I had my baby, we became closer. She supported me and answered my questions and honestly, she...
  2. Scientists Map the SARS-CoV-2-Human Interaction Network

    Type
    Blog Post
    Published
    April 9, 2020, 1:15 p.m.
    ...physiologically-relevant systems, to catch all the important interactions. It’s also important to determine if the human interactors...includes a GFP construct as a control. For easier portability, all viral genes are flanked by EcoRI and BamHI...
  3. Summer SciComm Series: A PhD in Science Communication

    Type
    Blog Post
    Published
    Aug. 23, 2022, 1:15 p.m.
    ...how it works. I used to stay up past my bedtime, poring over my grandparents’ medical textbooks by torchlight...to all the optional sexual health sessions and reported the intel back to my shyer classmates. For my ...the community During my PhD, I’ve also found opportunities for more hands-on science communication. Between...
  4. 5 Great Apps for Lab Life

    Type
    Blog Post
    Published
    Sept. 22, 2016, 2:30 p.m.
    ... Lab Archives by LabArchives The single, most important part of lab life is the lab notebook. Lab Archives...always comes first with research! It is always important to know what kind of reagents you work with in...iGreenEarth AMINO is a very simple app that packs important biological information, amino acid abbreviations...
  5. Viral Vectors 101: Gamma-Retroviral Packaging Systems

    Type
    Blog Post
    Published
    Aug. 6, 2024, 1:15 p.m.
    ...γ-retroviruses differ from lentiviruses? There are a few important differences between engineered γ-retroviruses ... enough to enter the nucleus through the nuclear pore complex. This feature may be useful for the transduction... expression of transgenes via increased nuclear export. LTR Subcomponents: -U3 -R -U5 LTR; Long...
  6. A Practical Approach to Choosing the B(right)est Fluorescent Protein

    Type
    Blog Post
    Published
    June 1, 2017, 2:30 p.m.
    ...of posts explains how to critically assess the reported properties of fluorescent proteins, how to do ...detected signal and therefore high brightness is an important feature of a fluorophore. The key question is ...However, the theoretical brightness ignores several important experimental conditions that are related to the...
  7. Hot Plasmids December 2018 - C. elegans RNAi, TurboID, Detecting Viral Outbreaks, and Protein Binding Specificity Tools

    Type
    Blog Post
    Published
    Dec. 6, 2018, 1:34 p.m.
    ...producing long unspecific RNA fragments that are incorporated into the dsRNA necessary for RNAi. The Vellai...adjacent to the T7 promoters to prevent the incorporation of non-specific nucleotides into the dsRNA leading...enzyme and a small-molecule substrate to map the spatiotemporal distribution and interaction networks of specific...
  8. New and Upcoming Viral Vectors - May 2020

    Type
    Blog Post
    Published
    May 28, 2020, 1:15 p.m.
    .... The advantages of optogenetics lie in the spatiotemporal control offered by the system that allows for... expression of ChR2(H134R) bound to an mCherry reporter. We now also offer AAVrg for plasmid 83898, which...advantage of the extensive supply of transgenic reporter lines that supply a variety of GFP expression ...
  9. Plasmids 101: Screening Strategies Used in Plasmid Cloning

    Type
    Blog Post
    Published
    Sept. 15, 2020, 1:15 p.m.
    ...as well. In a screen, you aren’t killing off a portion of the cells like in a selection. Instead, all ... genome, and scientists have found that when a portion of the gene is deleted, it creates a non-functional...Complementing this mutation by expressing this deleted portion, for example on a plasmid, creates a functional...
  10. Why and how to start studying chromatin (with Addgene's help)

    Type
    Blog Post
    Published
    June 12, 2018, 11:40 a.m.
    ...histones and chromatin architecture to every diagram portraying some aspect of eukaryotic DNA would become busy...plasmids available from Addgene Many articles reporting chromatin-related research describe the production...Lawrence JB Mol Cell. 2009 Mar 27;33(6):717-26. Reporter-nanobody fusions (RANbodies) as versatile, small...
  11. AAV Q&A with Tim Miles

    Type
    Blog Post
    Published
    May 17, 2022, 1:15 p.m.
    ... in sample treatment across methods can affect reported titer by either method so to ensure equal animal...AAV8. Very recently an engineered AAV5 capsid was reported for specific and potent liver transduction. While...marmosets each. Brain potency for each individual is reported in Figure 4B (see left for image and link for ...
  12. Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers

    Type
    Blog Post
    Published
    July 28, 2015, 2:30 p.m.
    ...is to understand the function of the non-coding portion of the genome. Mendenhall and Richard Myers of ...efficiency of inducing double strand breaks and more opportunity for homologous recombination. Before CRISPR, ...versions of this out there. Addgene: Why was it important to you to make these plasmids available to other...
  13. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

    Type
    Blog Post
    Published
    Feb. 24, 2015, 7:50 p.m.
    ...nucleolytically inactive Cas9-VP64 fusion; 2. A sgRNA incorporating two MS2 RNA aptamers at the tetraloop and stem-loop...knockout screening). As the Zhang lab's Nature paper reports, “Here we have shown that the SAM system is robust...size of the backbone, transformations require electroporation. References & Further Reading: For more ...
  14. Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur

    Type
    Blog Post
    Published
    July 10, 2014, 7:17 p.m.
    ...bacteriophages as bacterial therapeutics. This idea was incorporated into Novophage Therapeutics, Inc. in March 2009...potential conflicts that waste money and time. Most importantly, “the company does not become real until someone...Synthetic Biology? Read On! Synthetic Biology & the Importance of Assembly Standards Story of a SynBio Startup...
  15. Uncertainty about Labor Law Brings More Uncertainty to Postdoc Wages

    Type
    Blog Post
    Published
    Jan. 11, 2017, 3:30 p.m.
    ...with their planned raises, some are taking the opportunity of the lapsed mandate (or are being compelled... up on this issue. These salary raises are an important step forward in helping the postdoctoral population...Careers Resources on Addgene.org Find Career Opportunities at Addgene  ...
  16. Transferable Skills Guide: Public Speaking

    Type
    Blog Post
    Published
    April 20, 2023, 4 p.m.
    ...almost any career. It allows you to share and build support for your ideas, invite others into decision making...Averaging ten panels each. (For this story, it is important to know that the student presenting right before...your work, opens up collaboration and growth opportunities, and gives your entire audience a chance to ...
  17. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    Published
    March 3, 2020, 2:15 p.m.
    ...rhodopsin Ace2N and mScarlet. Ace2N quenches a proportion of mScarlet's emission via FRET. Image from Beck...indicator plasmids at Addgene! Beck et al., Sci Report 2019. PubMed PMID: 31685893. A MoClo toolkit for... Eisenhoffer lab, is a new tool that increases temporal and spatial precision of gene expression and reduces...
  18. dTAG - You're it!

    Type
    Blog Post
    Published
    June 21, 2018, 2:06 p.m.
    ...transcription factors with important roles in Multiple Myeloma), it is important to ensure lack of degradation... chimeras For each protein-of-interest, it is important to determine which terminus can accommodate the...
  19. Antibodies 101: Selecting the Right Antibody

    Type
    Blog Post
    Published
    March 15, 2022, 1:15 p.m.
    ...know about the vendor and the vendor’s technical support? An antibody from a vendor that you use frequently... with a responsive and knowledgeable technical support team, is a safer bet than one from a large distributor... know that application validation is the most important factor in antibody selection, but what does that...
  20. A Look at Addgene's QC Process

    Type
    Blog Post
    Published
    May 6, 2025, 1:15 p.m.
    ...conclusions. Being vigilant about these errors is an important part of maintaining the quality of reagents, especially... especially shared ones.  The importance of QC Plasmids are a fundamental part of research. They are ...plasmids are sent out to Plasmidsaurus for long-read nanopore sequencing. This platform sequences the entire...
  21. Making CRISPR Plasmids Using Fragmid

    Type
    Blog Post
    Published
    Aug. 29, 2024, 1:15 p.m.
    ...New to the bench? Fragmid depositor John Doench reports even the greenest members of his lab, high school...modular cloning approach, it’s easy to switch out reporters, Cas proteins, guide cassettes, promoters, N’ ...vectors are available? What you’re building is important — but so is where you’re building it! Table 1 ...
  22. CRISPR in the Clinic

    Type
    Blog Post
    Published
    Nov. 2, 2023, 1:15 p.m.
    ...sites within the viral genome to excise a large portion of it. This ongoing trial is sponsored by Excision...effectiveness, and delivery. Patient safety is important for allogenic therapies to prevent a graft vs....vs. host response. Off-target effects are also important safety considerations for all CRISPR therapies...
  23. Rabies and Neuronal Tracing

    Type
    Blog Post
    Published
    May 29, 2018, 1:51 p.m.
    ...that the body’s architecture and plumbing are important. We started with learning the head is connected...and the G protein (supplied in trans) will be incorporated into the viral envelope (but not the viral genome...B. Retrograde monosynaptic tracing reveals the temporal evolution of inputs onto new neurons in the adult...
  24. Viral Vectors 101: Virus Safety

    Type
    Blog Post
    Published
    June 22, 2023, 1:15 p.m.
    ... would be infected by a lab-grown virus, it's important to understand the risks of the specific virus ...waste, remember that the percentage indicates the proportion of the decontaminate in the waste itself, not...familiarize yourself with your organization’s reporting mechanisms before you start an experiment, just...
  25. CRISPR 101: Anti-CRISPR Proteins Switch Off CRISPR-Cas Systems

    Type
    Blog Post
    Published
    July 23, 2020, 1:20 p.m.
    ...pair to another base pair at a specific site. 2. Temporal, spatial, or conditional control of CRISPR activity... way to make those genome edits. But, just as important is a way to flip the switch and turn off CRISPR...The ability to turn off CRISPR activity is an important step towards CRISPR-based therapies and for more...
  26. How to Prepare for an Industry Interview

    Type
    Blog Post
    Published
    July 9, 2020, 1:15 p.m.
    ...industry job! You’ve worked hard to earn this opportunity and are excited for this next step. But wait,... background info. Use the presentation as an opportunity to demonstrate technical and transferable skills...your industry interview. Each interview is an opportunity to learn something and then apply it to the next...
  27. Synthetic promoter AAVs for cell-type specific expression in retinal cells

    Type
    Blog Post
    Published
    March 12, 2020, 1:15 p.m.
    ...gene is expressed in a particular cell type is important not only for translational research, such as gene...expression of the same transgene: an optogenetic reporter, channelrhodopsin, fused to a fluorescent GFP ...expression of a Cre-dependent fluorescent CatCH-GFP reporter. Expression of GFP will only result in cells where...
  28. 5 Tips for Troubleshooting Viral Transductions

    Type
    Blog Post
    Published
    Aug. 11, 2016, 2:23 p.m.
    ...that infect bacteria), many of which are doing important work in our microbiomes. Given that viruses are... and the type of virus, there have been varied reports of titer losses from 5% to 50% per freeze thaw ...vector: optimization of conditions for storage, transport and delivery." Japanese journal of cancer research...
  29. Cpf1 Update: Comparison to Cas9 and NgAgo

    Type
    Blog Post
    Published
    July 14, 2016, 2:30 p.m.
    ...in mammalian cells, LbCpf1 and AsCpf1. In both reports, on target editing efficiency for the Cpf1 orthologs...mismatches, but variably so, with Kleinstiver et al. reporting that Cpf1 can tolerate mismatches at gRNA positions...efficiency across CRISPR nucleases and NgAgo is an important next step for the field. Based on what we know...
  30. Reaching out to China: Canton Nucleic Acids Forum (CNAF) 2015

    Type
    Blog Post
    Published
    Dec. 1, 2015, 3:30 p.m.
    ...still working at the bench. It was a fantastic opportunity to talk to so many scientists who were potential...field. Nobel Laureates and the ever expanding importance of RNA The second keynote lecture was presented... labs are using CRISPR/cas9 and more are being reported. Zhou Songyang from Baylor College of Medicine...
  31. Hot Plasmids: Winter 2025

    Type
    Blog Post
    Published
    March 11, 2025, 1:15 p.m.
    ...all the components of the biosensor in optimal proportions from a vector backbone that allows lentiviral...Waldron We recently added two antibodies against important targets for neurodegeneration research: Anti-MAPT...6E10-A5] in Immunohistochemistry (Human). Addgene Report, doi: https://doi.org/10.57733/addgene.6ncijt.  ...
  32. The AAVantages of AAV in CRISPR Screens

    Type
    Blog Post
    Published
    Feb. 4, 2025, 2:15 p.m.
    ...CRISPR screens rely on lentiviral systems, a fact supported by the wide array of lentiviral-based CRISPR libraries...locations that could cause deleterious effects. It is important to note, however, that while AAV rarely integrates..., CRISPR may increase this rate. Specifically, portions of the AAV genome can integrate at double-stranded...
  33. Magnetic Control of Proteins: More than a Dream

    Type
    Blog Post
    Published
    Sept. 24, 2024, 1:15 p.m.
    .... Andrew and Maria were encouraged by previous reports that described magnetic responses of cryptochrome...reproduced their EGFP findings since the initial report in 2023.)     Figure 1: Fluorescence intensity...frequent collaborator and is happy to give advice and support for follow-up studies. “We don’t have a vision ...
  34. Mobile-CRISPRi: Bringing CRISPRi to Diverse Bacteria

    Type
    Blog Post
    Published
    April 4, 2019, 12:53 p.m.
    ...experiments where maintaining library diversity is important, while lower transfer rates are only suited for...measured by knockdown of a constitutely expressed RFP reporter, was variable across bacterial strains, ranging...Klebsiella pneumoniae, and P. aeruginosa (all opportunistic pathogens) were grown in presence of trimethoprim...
  35. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

    Type
    Blog Post
    Published
    July 13, 2017, 2:30 p.m.
    ...combs. To make genetic crosses properly, it is important to isolate females from males while they are still... after hatching into their adult phase. It is important to clear out the parent crosses from the container...feature when setting up genetic crosses. More importantly, this knowledge will stop you from embarking ...
  36. Genome-wide Screening Using CRISPR

    Type
    Blog Post
    Published
    Aug. 18, 2015, 2:30 p.m.
    ...post was updated on Aug 20, 2020. What genes are important in your phenotype of interest? Many scientists...not entirely known. Identifying which genes are important for a phenotype can lead to a wealth of additional...strong evidence that a particular gene is actually important for a given phenotype. Each hit from the screen...
  37. Drew Endy Introduces the Biobrick Public Agreement Plasmid Collection

    Type
    Blog Post
    Published
    Dec. 12, 2013, 3:35 p.m.
    ... These parts have been carefully engineered to support reliable functional composition. In other words...YouTube primer on BIL gates.) Addgene: Why is it so important to you that these parts be made freely available...language is put into practice? Endy: I think it's important to understand that these platforms, or pieces ...
  38. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    Published
    Aug. 13, 2024, 1:15 p.m.
    ...for further processing. It may be helpful to incorporate regular feeds during this incubation time to ...immunohistochemistry, and immunocytochemistry. It’s important to note that some antibodies are better suited...Rockberg J, Chotteau V. Small-scale bioreactor supports high density HEK293 cell perfusion culture for...
Showing: 401 - 440 of 780 results