Skip to main content

We narrowed to 842 results for: Eras

Showing: 451 - 480 of 842 results
  1. Plasmids 101: Choosing an Antibiotic Resistance Gene

    Type
    Blog Post
    Published
    Oct. 10, 2023, 1 p.m.
    ...formation on agar plates, less stable at high temperatures and in acidic environments.   Carbenicillin   ...mechanism. How to choose between the two? Carb is generally a ‘better’ antibiotic than amp: it is more stable...inactivates it. The NPTII gene confers resistance to several aminoglycosides, including G418 which is commonly...induce cell death by intercalating into DNA and generating DNA breaks. The Sh ble gene provides zeocin resistance...., & Brooks, G. F. (1986). Effect of storage temperature and pH on the stability of antimicrobial agents...
  2. Tips from the Repository Trenches: Using Barcodes to Track Samples

    Type
    Blog Post
    Published
    Oct. 6, 2015, 2:30 p.m.
    ...hundreds of samples, with an average of 10 plasmids per deposit. Each week an average of 16 deposits is received...Laboratory Operations Manager at Addgene.  In addition to helping with daily laboratory operations, she also...stored right away. Every week, the lab performs an average of 140 transformations. The lab typically transforms...
  3. The Importance of a Fun Workplace: Company Culture at Addgene

    Type
    Blog Post
    Published
    Sept. 3, 2015, 2:30 p.m.
    ...Administrative and Operations Coordinator at Addgene. In addition to her operational responsibilities, ... was a lot of blood, sweat, and, I’m guessing, literal tears (though none of the founders have EVER confirmed...to do, feel free to crowdsource! 2. Free food generally gets people to show up If you feel like you may... event planner)! If you have a very intricate itinerary, there is a higher likelihood that something will...
  4. CRISPR 101: Targeting RNA with Cas13a (C2c2)

    Type
    Blog Post
    Published
    Sept. 21, 2017, 2:07 p.m.
    .... Cas13a (previously referred to as C2c2), has several unique properties that further expand the CRISPR...other hand, uses only a short ~24 base crRNA that interacts with the Cas13a molecule through a uracil-rich...changes in the Cas13a molecule. Like Cas9, Cas13a tolerates single mismatches between the crRNA and target...interest (red) is amplified using Recombinase Polymerase Amplification (RPA) or Reverse-transcription ...knockdown to single gRNA expression. Although the collateral RNA cleavage response is well described in bacterial...
  5. Tips for Writing a Good Cover Letter

    Type
    Blog Post
    Published
    May 21, 2024, 1:30 p.m.
    ...can use your cover letter to explain why your transferable skills make you a good candidate for the position...experience or skills, often by pointing to your transferable skills. In the above example, if you don’t have...During my thesis work on [phenomenon X], I read several of your publications on [specific topic]. I am ...and grammatical errors. It does not need to be a literary masterpiece. For most jobs, the writing quality...professional. Always review grammar and spelling several times and ask someone else read your cover letter...
  6. Plasmids 101: Broad Host Range Plasmids

    Type
    Blog Post
    Published
    April 11, 2024, 1:15 p.m.
    ...their structural elements, oris interact with various RNA polymerases and proteins from bacterial hosts...ordonez, Serratia marcescens, Shigella spp., Vibrio cholerae, Xanthomonas campestris pv. campestris, X. campestris...Rhodobacter sphaeroides, Salmonella typhimurium, Vibrio cholerae, Xanthomonas campestris   In addition to incorporating... the broad host-range plasmid RK2. Molecular & General Genetics: MGG, 152(3), 129–135. https://doi.org...
  7. Hot Plasmids - August 2020

    Type
    Blog Post
    Published
    Aug. 18, 2020, 1:15 p.m.
    ...In their BioRxiv post, the authors generated and described several improved genetically encoded fluorescent...! Schematic of the evolution platform to generate TEV protease variants. Catalysis by TEV protease...markers can lead to non-specific labeling. They generated plasmids tagged with EB3 to mark the growing tips...plasmids containing different nanobodies (NB) were generated in pMAK:  pMAK461(NBαRabitb-IgG-Fc, Addgene #140699...
  8. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

    Type
    Blog Post
    Published
    May 2, 2019, 12:41 p.m.
    ...they study (unless if you count normal human interaction for all of us studying human genes in test tubes...invited to attend. My job is to ensure that, in general, these labs all include materials sharing in their...Monarch butterfly food. They have chemical pathways generating interesting drug-like compounds especially cardenolides... heart disease. Caterpillars that eat milkweed generate cardenolides that tastes yucky (and is poisonous...Celina Juliano) This is a known stem cell and regeneration model. Little bits of hydra can grow back into...
  9. To Codon Optimize or Not: That is the Question

    Type
    Blog Post
    Published
    Nov. 12, 2020, 2:15 p.m.
    ... An overview of peptide synthesis. A ribosome interacts with mRNA and charged tRNAs to build a peptide...codon usage among different organisms. There are several codons that encode the same amino acid. Each organism... be harmful (Sauna and Kimchi-Sarfaty, 2011).  Overall, codon optimization may not always be the optimal...in vivo experiments and in biotechnology and therapeutics (Mauro and Chappell 2014).  Ultimately, it is...critical analysis of codon optimization in human therapeutics. Trends in Molecular Medicine 20:604–613  https...
  10. Plasmids 101: Control Plasmids

    Type
    Blog Post
    Published
    April 9, 2015, 3:29 p.m.
    ...plasmid-based experiments. What are control plasmids? Generally, control plasmids help to ensure that the observed...constitutively expresses a reporter protein (e.g., GFP or luciferase) that is either co-transfected with the test ...non-targeting control also assesses any effects of the general introduction of shRNA into your target cells. Positive...replicate controls: technical and biological. In general, technical replicates can be thought of as "plate...of Plasmid A in different aliquots of cells on several different days. Biological replicates control for...
  11. A Case Study of Addgene Bioinformatics

    Type
    Blog Post
    Published
    May 25, 2023, 1:15 p.m.
    ...organized pipeline and accelerated the processing of our sequencing data.”  Recently, Seqera published a case...about our bioinformatics quest, which led us to Seqera Labs, a company that provides open source workflow...You can read it, and other case studies, on the Seqera website. ...
  12. Thoughts on the Future of Research 2015 Boston Symposium

    Type
    Blog Post
    Published
    Nov. 25, 2015, 4 p.m.
    ...communicator overall. Don’t Write in a Vacuum Your research papers should go through many iterations read ...Saturday Hack Day projects sought to make an interactive game that highlights just this point. As part... this, trainees need to be able to network and interact more with people who have taken a variety of career...write for a university publication, improving your general writing skills will help you in your academic publishing...
  13. Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons

    Type
    Blog Post
    Published
    April 24, 2015, 2:39 p.m.
    ...coupling of Cre-lox with FLP-FRT recombination to generate additional recombination events, and the synthesis...and sea anemone mKate2.) They then successfully generated custom antibodies to each of these proteins and...analysis. To achieve even cell labeling, they generated farnesylated derivatives of the fluorescent proteins...previously visible with Brainbow-1 and -2. The general structure of Brainbow-1.0 is retained in Brainbow...constructs are stably maintained through at least six generations. In addition to the neuronal pThy1-Brainbow constructs...
  14. Is this the right place for me? 8 tactics for choosing a lab

    Type
    Blog Post
    Published
    Oct. 2, 2018, 12:56 p.m.
    ... would thrive on this level of attention and interaction (and I did). Some of the information you will...advisor. They are always traveling, or too busy to interact regularly with the newer lab members. You must...careers?    Will you be encouraged to develop transferable skills by attending career events or being involved...your own choosing? Does the PI keep up on the literature and pass on relevant papers? Will you have access...resources on the Addgene blog Check out our transferable skills guide Learn about careers in science ...
  15. Plasmids 101: Dimers and Multimers

    Type
    Blog Post
    Published
    Jan. 10, 2023, 2:15 p.m.
    ...twice the length of the monomer (~11.6 kb). Image generated by SnapGene software.  Thanks to increasing...which has been used in plasmid vaccine and gene therapy development to examine plasmid topologies (e.g....stationary phase. Growing the culture at a lower temperature such as 30°C or optimizing the incubation time...Fishel RA, James AA, Kolodner R. recA-independent general genetic recombination of plasmids. Nature. 1981...294184a0. PMID: 7029308. Goebel W, Helinski DR. Generation of higher multiple circular DNA forms in bacteria...
  16. Celebrating the 2024 Nobel Prize in Chemistry

    Type
    Blog Post
    Published
    Oct. 17, 2024, 1:15 p.m.
    ...started by designing a novel topology, then iteratively generated 3D models and amino acid sequences that ...topology of protein” diagrams, which show the interactions between amino acids in an approximate, two-dimensional...crosslinked peptides proposed as a scaffold for a new generation of drugs, all developed with their protein design...
  17. The Developmental Studies Hybridoma Bank: Over 25 Years of Antibody Sharing

    Type
    Blog Post
    Published
    March 10, 2015, 2:25 p.m.
    ...ways of generating antibodies, for example through the use of less toxic adjuvants; 2) generating complex... The minimal fees from distribution funds our operation. Antibodies are glycoproteins that are part of...increased avidity to high profile antigens; and 4) generating mAbs against new cancer biomarkers. We believe...
  18. Michael Koeris' Journey from Grad Student to Entrepreneur: The Story of Sample 6

    Type
    Blog Post
    Published
    Jan. 21, 2016, 4:52 p.m.
    ...not right for the development of phage-based therapeutics. After a brief stint at the venture capital ...Novophage's focus. The company went from developing therapeutics to developing phage-based tools for detecting...develop tests for food products as opposed to therapeutics 15:15 - 16:26 : Means for testing for pathogens...for Dr. Koeris to transition from developing therapeutics to developing a diagnostic? 36:53 - 38:00 : ...
  19. Your Top Requested Plasmid in 2015!

    Type
    Blog Post
    Published
    Dec. 30, 2015, 3:30 p.m.
    ...are required to ensure that you get full library coverage in pooled library screens. Availability and Use...metalloproteinase-9 secretion, and identifying lysine methyltransferase substrates. We’re incredibly happy that lentiCRISPR...of the many plasmids being distributed to and accelerating research in labs all around the world. We thank...Browse Our CRISPR Posts Learn about Using CRISPR to Generate Knockouts Read Some Common Ways to Deliver CRISPR...
  20. Inntags: Innovative Protein Epitope Tagging

    Type
    Blog Post
    Published
    Nov. 10, 2015, 3:30 p.m.
    ...of different conformations and thus potentially interact with and alter the proteins they label. In fact...chaperone Ydj1, both of which display sophisticated interactions with multiple other proteins. Again, little ...indicating that they compromised protein-protein interactions. If you’re looking to a tag a protein, inntags...tags of choice for examining protein-protein interactions, particularly in single-molecule or high-throughput...
  21. Your Top Requested Plasmid in 2016!

    Type
    Blog Post
    Published
    Jan. 11, 2017, 8:47 p.m.
    ... the key component of most CRISPR systems and generates double strange breaks at target sites 5' of the...your 20 nucleotide guide sequence of choice (for generation of a gRNA that will target SpCas9 to the approrpriate... expression post transfection by western blot. Overall, this is a versatile mammalian expression vector...Browse Our CRISPR Posts Learn about Using CRISPR to Generate Knockouts Read Some Common Ways to Deliver CRISPR...
  22. Science Communication Snapshot: DayCon 2015

    Type
    Blog Post
    Published
    June 17, 2015, 9:04 p.m.
    ...DayCon. DayCon is a one-day conference aimed at the general public that provides an accessible introduction...conference-style experience that was accessible to the general public both in terms of cost and content level....of disease, cancer, and viral infections. An interactive lunch with student presenters and board members... of shorter, more narrowly focused lectures, interactive panels, and a student poster session. All DayCon...
  23. Quick, Versatile Plant Transgenesis with GreenGate Plasmids

    Type
    Blog Post
    Published
    Jan. 23, 2014, 3:23 p.m.
    ...available at Addgene, also gives the option to stack several expression cassettes onto a single T-DNA in subsequent...rounds, dramatically reducing the time required to generate multi-construct transgenic plants. In the most...choice, BsaI, which can be very sensitive to temperature fluctuations. He says their lab learned the hard...into the public domain in the process. “We had several motivations for making GreenGate available through...
  24. Which Fluorescence Microscopy Technique is Best for Me?

    Type
    Blog Post
    Published
    Oct. 10, 2017, 1:57 p.m.
    ...towards the objective is collected and focused onto a camera for visualization. Illuminating a sample in the...is excited at one time and captured in a single camera exposure. This is much faster than relying on raster...fast, sensitive detector such as a scientific CMOS camera. If plasma membrane dynamics are the main focus... excitation occurs through the fluorophore’s interaction with an evanescent energy field. Lightsheet microscopes... to a higher photon flux via the more efficient camera detector and lack of a light-reducing pinhole. ...
  25. Live and Let Dye: Self-Labeling Protein Tags

    Type
    Blog Post
    Published
    April 16, 2024, 1:15 p.m.
    ...) (Miller et al., 2005). Although this tight interaction is not covalent, later work showed that introducing...ER and mitochondria reveals dynamic organelle interactions. a) Labeling scheme. b) COS-7 cell ER labeled...without any cloning at all! As mentioned above, several variants of these tags have been developed over...https://doi.org/10.1021/cb900062k  Gautier, A., Juillerat, A., Heinis, C., Corrêa, I. R., Kindermann, M.... Pick, H., Vogel, H., & Johnsson, K. (2003). A general method for the covalent labeling of fusion proteins...
  26. Top 10 Open Science Developments of 2013

    Type
    Blog Post
    Published
    Dec. 19, 2013, 3:46 p.m.
    ...s how science progresses after all, with each generation of scientists standing on the shoulders of their...Technology Policy issued a memorandum calling on Federal agencies with over $100 million in annual R&D expenditures...support increased public access to the results of federally-funded research. 2)      In June, the White House...Bohannon published an article describing a sting operation in which he submitted a phony paper to a list ...
  27. IDP and your PI: A Roadmap for Career Planning and Personal Development

    Type
    Blog Post
    Published
    July 21, 2015, 2:30 p.m.
    ...then formulate a plan to further develop your transferable skills and reach your career goals.      Although...subject matter discussed at the meeting, but the overall tone of the meeting is almost more important. As...Wunderlich Z, Estrada J, Park J, Bragdon MD, Lopez Rivera F, Biette KM, DePace AH. Mol Cell. 2015 Jun 4;58... What Makes a Good Manager Anyway Developing Transferable Skills During Science Training ...
  28. Inside Addgene's 10 Year Anniversary Gala

    Type
    Blog Post
    Published
    July 3, 2014, 3:48 p.m.
    ... the interactive photo graffiti wall. I had a lot of fun playing the prototype of an interactive game ...about her grandfather’s humble beginnings as an operator of a printing press. Just as her grandfather used...the newspaper, Addgene uses E. coli bacteria to generate copies of plasmids. The community of scientists...
  29. Scientific Sharing in the Time of COVID-19: Databases and Resources

    Type
    Blog Post
    Published
    May 12, 2020, 1:15 p.m.
    ...opportunities, protocols, publications, and more to accelerate the pace of research into COVID-19. While this...opportunities, and community response initiatives. Accelerate the translational impact of research Universities...important for creating research synergies and accelerating the translational impact of research activities...Alliance at the CCRP2. Other groups have focused on iterating on methods for coronavirus research, sharing resources...
  30. Cre-ating New Methods for Site-specific Recombination in Drosophila

    Type
    Blog Post
    Published
    May 12, 2015, 1:32 p.m.
    ...from the standard UAS/GAL4 system is toxic to proliferating cells. A Cre-estrogen receptor ligand binding...about new recombinases suitable for this system. Gerald Rubin’s lab sought to make complex genome modifications...specific recombination site for each enzyme, were generated to test recombination efficiency. When expressed...PubMed. Reduction of Cre recombinase toxicity in proliferating Drosophila cells by estrogen-dependent activity...
Showing: 451 - 480 of 842 results