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Showing: 301 - 320 of 741 results
  1. Plasmids 101: 5 factors to help you choose the right cloning method

    Type
    Blog Post
    Published
    Aug. 21, 2018, 12:31 p.m.
    ...(the precise mechanism isn’t well understood). Finally, TOPO cloning is another good option to consider...integration sequences, relies on site-specific recombination reactions catalyzed by BP Clonase and LR Clonase... to the use of toxic ccdB to prevent any non-recombinant vectors from propagating. The ligation-independent...since one can pool the components and define their final order through sequence homology. Similarly, Golden...
  2. PhD Applications After COVID

    Type
    Blog Post
    Published
    Jan. 5, 2023, 2:15 p.m.
    ... program is the right fit for you without the financial and logistical stress that accompanies traveling...faculty, students, and each other. Before COVID-19, financial and logistical obstacles could make touring potential...COVID-19? How are students funded? Are there any financial aspects that are confusing? During a traditional...interviews for a variety of reasons (logistical, financial, etc…) now have options to fully engage in the...
  3. Fluorescent Proteins 101: Visualizing Subcellular Structures & Organelles

    Type
    Blog Post
    Published
    June 22, 2017, 2:30 p.m.
    ... interest from its production site to its final destination. As an example, most secreted proteins are...pathway to their subcellular or extracellular destination. At the end of their life cycle, proteins may...through the vesicles to the lysosome where they are finally degraded (2, 3). Once you've created your fusion...
  4. Anatomy of a Plasmid Page at Addgene

    Type
    Blog Post
    Published
    Feb. 4, 2016, 3:30 p.m.
    ... lab page, then onto the publication page, and finally on down to the individual plasmid page. The depositing...modifications listed can refer to changes made to the original backbone by the depositing lab, or by a previous...previously deposited with Addgene, you can list the original vector’s plasmid number here. Gene/insert: This...plasmid contains certain fluorescent proteins. Finally, for many plasmids you can find additional resources...
  5. New Optimized Genome-wide CRISPRko, CRISPRi, and CRISPRa Libraries

    Type
    Blog Post
    Published
    Oct. 4, 2018, 12:44 p.m.
    ... nuclease domain. These mutations result in an inactive RNA-guided DNA binding protein (dCas9). dCas9 ...the next 3 ranked sgRNAs. Dolcetto was able to discriminate between non-essential and essential genes similarly... an improved activator design that consists of inactive Cas9-VP64, a sgRNA with two MS2 RNA aptamers, ... active sgRNAs for CRISPR-Cas9–mediated gene inactivation." Nature biotechnology 32.12 (2014): 1262. PubMed...
  6. Tips for Screening with Yeast Two Hybrid Systems

    Type
    Blog Post
    Published
    Oct. 22, 2015, 2:30 p.m.
    ...proteins of interest has occurred. Although the original Y2H systems utilized the yeast Gal4 activator,...for screening greater numbers, but the latter eliminates the step of identifying prey proteins after screening... the experiment to reduce the likelihood of indiscriminate reporter gene activation. Including a prey-... libraries can be screened using both N- and C-terminal fusions of these proteins. This way both ‘ends...
  7. The Importance of a Fun Workplace: Company Culture at Addgene

    Type
    Blog Post
    Published
    Sept. 3, 2015, 2:30 p.m.
    ... bit of Addgene history... As you may be aware, Melina Fan, her brother Ken Fan, and her husband Benjie... corn toss boards, Kan Jam, and Ladder Ball (I finally discovered my hidden talent in Ladder Ball... there...popularly- cookies). 3. Do something outside of your ordinary environment Team building events like Escape the...Veckerelli is the Administrative and Operations Coordinator at Addgene. In addition to her operational responsibilities...
  8. Sharing Your Lab Protocols: Using Apps to Save Time & Track Your Experiments

    Type
    Blog Post
    Published
    Sept. 23, 2014, 3:05 p.m.
    ...last month it’s been viewed by users in the US, China, India, Canada, the UK, South Korea, and beyond!...protocols So that’s great, but what if someone in China improved upon that protocol? How would the thousands...prior to publication, and this will delay the dissemination of your improved protocol. Many scientists, ...need for quicker, more effective updating and dissemination of experimental protocols, simultaneously allowing...
  9. Binning Singletons: Tackling Conference Networking When You Don’t Know Anyone

    Type
    Blog Post
    Published
    Feb. 18, 2020, 2:15 p.m.
    ...Microbe meeting, but it was my favorite because I finally felt like I had a network of people to talk to ..., Kat Milligan-Myhre, and Pragati Chengappa.  Financial and moral supporters Denise Akob, Sara Alexander...Heather Hendrickson, Jonathan Jacobs, Mo Kaze, Christina Kellogg, Heather Martinez, Pat Schloss, Tara Smith...McGovern, and Julie Wolf. Apologies to anyone I’ve inadvertently left off this list. Many thanks to our guest...
  10. Deciphering the Mysteries of Behavior with Viral Vectors

    Type
    Blog Post
    Published
    Sept. 17, 2019, 12:40 p.m.
    ... in directly controlling muscle activity and coordinating movement, several additional brain areas that...dark areas (protected) as opposed to brightly illuminated ones (risky). They also prefer to explore novel... (Howerton at al. 2014). Addgene has several recombinase-expressing ready-made AAV vectors which can be...scientists study such as sleep, food intake, mobility/coordination, learning, and memory. We’ll cover these in ...
  11. Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More

    Type
    Blog Post
    Published
    Aug. 13, 2019, 12:58 p.m.
    ...strain distribution centers in the US, Europe, and China. In addition, the Zebrafish Model Organism Database...screens. Microscopy-based lineage tracing can help illuminate how signaling pathways—such as those regulated...patterns of gene activity and cell divisions that coordinate development of the body plan (Farrell et al.,...transgenesis with Tol2 and application for Cre/lox recombination experiments." Methods in cell biology. Vol. ...
  12. How to Write a Scientific Review Article

    Type
    Blog Post
    Published
    Feb. 16, 2017, 3:30 p.m.
    ...exposing you to relevant researchers in the field. Finally, you can sound credible and cool when you casually...research papers on these particular themes, for seminal papers on these themes, and also for articles from...citations so that people can go back and read the original reference for the data. For example, we summarized...how big the studies were, and you could find the original paper if you wanted to learn more. Another example...
  13. Overcoming the AAV Size Limitation for CRISPR Delivery

    Type
    Blog Post
    Published
    Sept. 16, 2020, 1 p.m.
    ... Originally published Jul 14, 2015 and last updated Sep 16, 2020 by Beth Kenkel.  CRISPR genome editing...catalytically dead dCas13b to the catalytic domain of RNA deaminase ADAR2. Constructs containing the ADAR2 truncation...orthologs works for some applications, it doesn’t eliminate the need to deliver larger cargo such as base ...Cytosine and adenine base editing of the brain, liver, retina, heart and skeletal muscle of mice via adeno-associated...
  14. Hot Plasmids - November 2023

    Type
    Blog Post
    Published
    Nov. 14, 2023, 3:35 a.m.
    ...but some applications have been challenging or inaccessible. The Ting lab recently made two deposits that... Figure 3: A) LOV-Turbo becomes active when illuminated with blue light, catalyzing the biotinylation...that had been trafficked from the “source” to “destination”. Images adapted from Lee and Cheah et al. 2023.... (2019). A toolbox of IgG subclass-switched recombinant monoclonal antibodies for enhanced multiplex ...
  15. Bacterial Toxin-antitoxin Systems as Molecular Biology Tools

    Type
    Blog Post
    Published
    Nov. 1, 2018, 12:35 p.m.
    ... a second recombination event between the two flanking repeats. In cells where recombination has not occured... serves as a counterselectable marker in the destination vector. Successful cloning occurs when the ccdB...6308648. PubMed Central PMCID: PMC384129. Aizenman, Einat, Hanna Engelberg-Kulka, and Gad Glaser. "An Escherichia...
  16. Transferable Skills Guide: External Collaborations

    Type
    Blog Post
    Published
    April 19, 2018, 1:25 p.m.
    ...suitable partner, connect the relevant teams, coordinate implementation, and now must focus on managing...some microscopy enthusiasts to start a microscopy seminar to connect the imaging community and to create ...university approachable, friendly, and helpful. Finally, don’t forget about collaborations and projects...for lunch, make a point of talking to them at a seminars, or even set up regular meetings. Meeting people...
  17. Sonic Hedgehog? Sleeping Beauty? Learn About the Genes Behind Addgene’s Conference Room Names

    Type
    Blog Post
    Published
    April 2, 2019, 1:44 p.m.
    ...this is where most of our conference room names originated from. Let’s take a look at some of the stories...known to play a role in neural development, sex determination, and anterior-posterior segmentation (Jennings... SB transposon system including those from the original publication, Ivics et al 1997. Spaghetti Squash...may think that a gene called "spaghetti squash" originated from the squash itself, but think again. Spaghetti...
  18. Lab to Office Culture Shock

    Type
    Blog Post
    Published
    Feb. 5, 2019, 1:04 p.m.
    ...their best interest to do so, sure, but it also eliminates that feeling of floundering one can have when...also need to talk to Tony from legal, Diana in finance, and Wu in graphic design. You could dread these...career options are expanding. As someone who coordinates cross-team projects at Addgene, I find that my... that led you into science in the first place. Finally, if you still find the idea of not holding a pipette...
  19. Important Considerations in Optogenetics Behavioral Experiments

    Type
    Blog Post
    Published
    Oct. 1, 2015, 2:30 p.m.
    ...circuit, while a nose-poke at a separate hole (inactive hole) does not. If activation of the circuit is...unwanted phenomenon or it could reveal something fascinating. Behavior is based primarily on careful observation...experimenting and hopefully optogenetics will help illuminate (is that pun worn out yet?) your research. Derek...PMCID: PMC4165888. 6.Witten, Ilana B., et al. "Recombinase-driver rat lines: tools, techniques, and optogenetic...
  20. Plasmids 101: The Promoter Region – Let's Go!

    Type
    Blog Post
    Published
    April 3, 2014, 8:05 p.m.
    ... practice, the term "promoter" describes the combination of the promoter (RNA polymerase binding site)...synthetic promoters, which typically include some combination of other promoter elements, and tend to be more...expression mRNA Mammalian promoter from phosphoglycerate kinase gene.  Constitutive  Widespread expression, but...optogenetics mRNA  Ca2+/calmodulin-dependent protein kinase II promoter Specific Used for neuronal/CNS expression...
Showing: 301 - 320 of 741 results