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  1. Transferable Skills Guide: Career Planning Resources

    Type
    Blog Post
    Published
    Nov. 14, 2017, 2 p.m.
    ...better prepare for your career, and increase your chances of landing that next coveted job! Professional...development (or lack thereof) One of the biggest challenges facing students today is that many graduate and...your credentials to HR, greatly increasing your chances of getting a phone interview! If you don’t have...touch and reach back out when you are looking to change positions in the future. Anyone looking for work... Michael G. Lemieux...
  2. Advanced Uses of Cre-lox and Flp-FRT - A Neuroscientist’s View

    Type
    Blog Post
    Published
    Oct. 19, 2017, 1:54 p.m.
    ...inverted vectors expressing light inducible ion channels (plasmid # 20298 for example) have revolutionized...FLEx vectors expressing the light activatable ion channel under the control of Cre recombinase are used in... M. Sternson. 2008. “A FLEX Switch Targets Channelrhodopsin-2 to Multiple Cell Types for Imaging and Long-Range...Sadowski. 1985. “The FLP Recombinase of the Saccharomyces Cerevisiae 2 Micron Plasmid Attaches Covalently...PMC41617. 7. Metzger, D, J Clifford, H Chiba, and P Chambon. 1995. “Conditional Site-Specific Recombination...
  3. CRISPR 101: Targeting RNA with Cas13a (C2c2)

    Type
    Blog Post
    Published
    Sept. 21, 2017, 2:07 p.m.
    ...Enzymatic Domains Guide RNA Target PAM (PFS) Cleavage Mechanism Cas9 HNH, RuvC TracrRNA, crRNA DNA 5' NGG... Leptotrichia shahii (LshCas13a) to begin to characterize this new effector (Abudayyeh et al., 2016). ...and cleavage through a series of conformational changes in the Cas13a molecule. Like Cas9, Cas13a tolerates... plant cells (Abudayyeh et al., 2017). They characterized Cas13a from Leptotrichia wadei (LwaCas13a), ..., Sergey, et al. "Discovery and functional characterization of diverse class 2 CRISPR-Cas systems." Molecular...
  4. Antibiotic Resistance: An Old Solution but a New Problem

    Type
    Blog Post
    Published
    Nov. 10, 2016, 3:30 p.m.
    ...Resistance can be intrinsic, meaning a basic characteristic that naturally occurs in the bacterium, and...another bacterium died for instance). These three mechanisms of acquired drug resistance are referred to as...competition drives microbes to develop survival mechanisms. Some microbes even make their own antibiotic...killed), thus increasing the initial microbe’s chances of survival. This was the whole basis of how penicillin...targets (ones that are less likely to mutate or change in order for the bacterium to survive). Check out...
  5. Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs

    Type
    Blog Post
    Published
    Oct. 27, 2015, 3 p.m.
    ...to interfere with the function of resident ER chaperones and may impact cellular function or possibly ...For example, the formation of inappropriate inter-chain disulfide bonds between FPs blocks Golgi complex-localized...protein activity. We encourage investigators to characterize FP-fusion proteins functionally relative to ...moxFPs. The inherent brightness and spectral characteristics of the moxFPs are comparable to the non-optimized...postdoctoral fellow at the University of North Carolina at Chapel Hill. Under the co-mentorship Blossom Damania and...
  6. Filming Science Videos in the Age of Social Distancing

    Type
    Blog Post
    Published
    May 20, 2021, 1:15 p.m.
    ...found it easy to drop into a chair and chat with me remotely via an audio chat (Fig. 4).  Learn: This works...small operation, so sometimes it can be a big challenge. But ask any filmmaker or videographer and they...you can usually see a director sitting in their chair not watching their actors live on set, but peering...
  7. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    Published
    Sept. 14, 2016, 2:30 p.m.
    ...centered within GFP/RFP bicistronic reporters characterized in Cambray et al., 2013. These terminators can...: 2388-2393. Huang, Shijie, Xuechen Zhu, and Charles E. Melançon III. "Detection and Quantification...metalloproteinase: López-Pelegrín, Mar, et al. "A novel mechanism of latency in matrix metalloproteinases." Journal...size from 4 to 156 kDa, enabling the user to characterise the efficiency of their cell-free system in ...5373-5383. Walkiewicz, Katarzyna, et al. "Small changes in enzyme function can lead to surprisingly large...
  8. Hot Biosensors 2022: Year-End Roundup

    Type
    Blog Post
    Published
    Dec. 6, 2022, 2:15 p.m.
    ...sensor relies on a change in localization to the cell membrane and not a direct change in the fluorescent...better response kinetics and photochemical characteristics than previous NIR calcium reporters iGECI and...   Matlashov ME, et al. Design and Initial Characterization of a Small Near-Infrared Fluorescent Calcium... B) LiLac responses are highly resistant to pH changes. Image adapted from Koveal et al. 2022, under CC-BY...
  9. Introducing the Addgene Antibodies 101 eBook!

    Type
    Blog Post
    Published
    Oct. 29, 2024, 1:15 p.m.
    ...designed to be a helpful desktop reference. Each chapter brings together all of our 101 blog posts on an...to antibodies as research tools, you may find “Chapter 1: What is an Antibody” quite useful. If you’re... design your first flow cytometry experiment, “Chapter 7: Sorting” is there to help guide you through ...find an antibody that works, we highly recommend “Chapter 3: Finding the Right Antibody for Your Experiment...
  10. A Control for All Seasons

    Type
    Blog Post
    Published
    Oct. 5, 2023, 1:15 p.m.
    ...positively charged groups, such as aldehydes in fixed samples. To address this, block positively charged groups...the label control for all new samples, protocol changes, or when high background labeling occurs (Burry...critical for data interpretation, especially when changes in protein expression are the experimental readout...       References and resources References Burry, Richard W. “Controls for Immunocytochemistry.” Journal ...
  11. Viral Vectors 101: AAV Variables That Matter

    Type
    Blog Post
    Published
    June 1, 2023, 1:15 p.m.
    ...promoter, and titer.     Figure 1: Flow chart depicting a) steps for selecting serotypes and promoters... different receptors, co-receptors, and other mechanisms to gain entry into the cell (Dudek et al., 2018... different brain regions.  Image modified from Aschauer et al., 2013, Figure 1. Used under Creative Commons...the region you want to cover - and as your titer changes, so may your needed volume (de Backer et al., 2010....2014.00076 References and Resources References Aschauer, D. F., Kreuz, S., & Rumpel, S. (2013). Analysis...
  12. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

    Type
    Blog Post
    Published
    April 5, 2018, 12:42 p.m.
    ...Cre-dependent conditional alleles, has remained a challenge. Enter Easi-CRISPR: a method that harnesses the...First, you’d construct a plasmid with your desired changes, long homology arms and a selection marker, then...template. Although effective, ivTRT may be more challenging for sequences with complex secondary structure...-purified DNA template.   Many thanks to Channabasavaiah B. Gurumurthy, Masato Ohtsuka, and Rolen M....PMC5434640 Miura, Hiromi, Rolen M. Quadros, Channabasavaiah B Gurumurthy, and Masato Ohtsuka. “Easi-CRISPR...
  13. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    Published
    Dec. 20, 2022, 2:15 p.m.
    ...added, it binds tTA, resulting in a confirmation change that prevents binding to the promoter and turning...added, it binds cTA, resulting in a confirmation change that prevents binding to the promoter and turning...this way, you can interrogate the activity of uncharacterized promoters. Similarly, placing UAS upstream ...1472-6750-6-43Kaczmarczyk A, Vorholt JA, Francez-Charlot A. Cumate-inducible gene expression system for ...genes for metabolic engineering applications in Saccharomyces cerevisiae.” FEMS Yeast Res. 12(2) (2012): 197...
  14. Providing Plasmids to Researchers in Developing Countries: Addgene and Seeding Labs Team Up

    Type
    Blog Post
    Published
    April 5, 2016, 2:30 p.m.
    ...to face global challenges, we hope to empower those that need to face these challenges locally. We look...themselves on the front lines of emerging global challenges. However, these same researchers face significant...international distribution As you can see from the chart below, we are making great progress toward spreading...
  15. Editor's Choice, October 2016

    Type
    Blog Post
    Published
    Nov. 4, 2016, 2:30 p.m.
    ...had record readership with over 75,000 views. Changing Labor Laws Bring Increased Postdoc Wages Our most...information for anyone considering a postdoc. In “Changing Labor Laws Bring Increased Postdoc Wages,” Future...for some of these institutions to manage these changes quickly and harmlessly. Learn much more about the...Reasons to Use Reddit for Science Communication Changing Labor Laws Bring Increased Postdoc Wages I hope...
  16. The Developmental Studies Hybridoma Bank: Over 25 Years of Antibody Sharing

    Type
    Blog Post
    Published
    March 10, 2015, 2:25 p.m.
    ...Antibodies are composed of two light chains and two heavy chains. The ends of the branches contain the...variable, allowing exquisite specificity. This characteristic allows monoclonal antibodies to be used as ...the DSHB, play an important role in scientific exchange. In addition to ensuring affordable access to ...
  17. RNA Interference in Plant Biology: New Tools for an Old Favorite

    Type
    Blog Post
    Published
    Oct. 27, 2020, 1:15 p.m.
    ...the RNAi trigger delivering the RNAi trigger characterizing the RNAi phenotype. Although all these steps...plants to have enough tissue for downstream characterization. To simultaneously address both limitations...the RNAi output and trivializes downstream characterization, as the entire culture can be harvested instead...Stainier DYR (2020) Transcriptional adaptation: a mechanism underlying genetic robustness. Development 147....186452 Wilson RC, Doudna JA (2013) Molecular Mechanisms of RNA Interference. Annu Rev Biophys 42:217–...
  18. Measuring Kinase Activity at the Single-Cell Level with Kinase Translocation Reporters (KTRs)

    Type
    Blog Post
    Published
    July 26, 2018, 12:46 p.m.
    ...kinase activity is FRET, but FRET reporters are challenging to design and difficult to multiplex. The Covert...which fluorophores can be multiplexed together. Challenging  to Design: FRET reporter activity depends on...and NES sequences, which have previously been characterized. See Box 1 in Kudo et al. for more details on...Resources on the Addgene Blog Learn about photoswitchable kinases Learn more about fluorescent biosensors...
  19. Management for Scientists: Seeking Feedback

    Type
    Blog Post
    Published
    Jan. 8, 2015, 2:34 p.m.
    ...Act on information to make change whenever possible. Be public about changes influenced by feedback. If... Human Dynamics Laboratory identified five characteristics of very successful teams. Check out Joanne'... post in this series). Members carry on back-channel or side conversations within the team. We are ...
  20. Science as Art

    Type
    Blog Post
    Published
    March 2, 2015, 3:13 p.m.
    ...the lines between science and art was Albert G. Richards, who passed away in 2008. His work exposes and... use of x-rays. His haunting images have been enchanting people for years and have gathered much acclaim...Smithsonian Magazine, where the editor stated “Albert G. Richards, a teacher of dental radiography, had focused ...which are now extinct. A collection of Albert G. Richards’ work is held by The Museum of Jurassic Technology...
Showing: 281 - 300 of 793 results