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Showing: 361 - 400 of 788 results
  1. High Complexity Golden Gate Assembly with NEB’s DAD

    Type
    Blog Post
    Published
    Aug. 1, 2023, 1:15 p.m.
    ...suspected a data-driven approach might allow for an increase in the complexity. In 2018, they published a paper...conditions available in DAD tools While DAD made an incredibly complex reaction possible, NEB also optimized...Additionally, this assembly, which used only antibiotic screening for selection, failed under normal cycling protocols...Ultimately, data-driven Golden Gate Assembly greatly increases the potential complexity allowable by a favored...
  2. Science communication: 9 Strategies to Get Your Foot in the Door

    Type
    Blog Post
    Published
    Sept. 27, 2017, 1:23 p.m.
    ...of Science Writers How to create a successful science blog  5) Get creative – Bring your knacks into ... live sketches at conferences like @ATJCagan or create agar art with colorful microbes? Try your hand ...Science communication is my way of living out my creative side. My newest, exciting endeavor is starting...
  3. Truncated gRNAs for Regulating Gene Expression

    Type
    Blog Post
    Published
    Jan. 10, 2017, 3:37 p.m.
    ...demonstrated to result in decreased mismatch tolerance and, consequently, increased specificity relative to...more stringent targeting rules that result in a decrease in available target sites. Regulating gene expression...focused advancing scientific discovery through the creation of innovative technologies. To date his group ...
  4. The Scientific Conference Poster Session: Tips for Success

    Type
    Blog Post
    Published
    Aug. 29, 2019, 12:50 p.m.
    ... you typically would at a microbiology meeting. Create an outline: Write key bullet points for what you...while seated or with your poster on your computer screen than it is to pretend you’re standing at the session...off as a broken record, remember the outline you created for yourself. Hit the key bullet points and elaborate...will help you to provide an on-topic answer by creating time to organize your thoughts. It’s likely you...
  5. Magnetic Control of Proteins: More than a Dream

    Type
    Blog Post
    Published
    Sept. 24, 2024, 1:15 p.m.
    ...Hayward et al., 2024). The fluorescence intensity decreased whenever the magnet approached the sample (by ... and the team set up a directed evolution and screening experiment with three of the proteins that had...several rounds of semi-random mutagenesis and screening, the EGFP and mScarlet variants were showing no... suggest she deprioritize the project, Maria’s screens of AsLOV2 variants showed some significant gains...
  6. PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs

    Type
    Blog Post
    Published
    June 25, 2024, 1:15 p.m.
    ... we performed high-throughput ‘self-targeting’ screens with oligo libraries where pegRNAs are coupled ...cell contexts. Figure 1: High-throughput screening of pegRNA efficiency and building prediction tools...sequence-based prediction models from self-targeting screens such as PRIDICT/PRIDICT2.0 provide valuable insights...your target. Figure 3: High-throughput screening of the effect of chromatin on prime editing efficiency...
  7. PhD Applications After COVID

    Type
    Blog Post
    Published
    Jan. 5, 2023, 2:15 p.m.
    ... you and your goals. Making a List of Schools Creating a list of schools is one of the first steps in...submitting your application. I found this step to be incredibly useful, as it gives a more comprehensive idea...advisor’s research interests which can be helpful in creating your application to that program. An email to ...simply not feasible. Through the virtual systems created and promoted during COVID-19, online meetings with...
  8. Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells

    Type
    Blog Post
    Published
    Dec. 10, 2020, 1 p.m.
    ...templates in somatic cells of adult animals in order to create animal models for particular cancer. That’s exactly...the Memorial Sloan Kettering Cancer Center did to create a model of Eml4–Alk-driven lung cancer (Maddalo... Addgene and could be useful to labs wishing to create this kind of animal models. Start using adenoviral...Circ Res 115:488–492 . https://doi.org/10.1161/circresaha.115.304351 Holkers M, Maggio I, Henriques SFD...
  9. Chromoproteins: Colorful Proteins For Molecular Biology Experiments

    Type
    Blog Post
    Published
    Feb. 4, 2020, 2:15 p.m.
    ...methods. While techniques such as  blue-white screening require X-gal, an expensive exogenously-added ...chromoproteins don’t require other substrates for screening. Thus chromoproteins can be used as markers in... used the amilCP and tsPurple chromoproteins to create negative selection markers for allelic exchange...transfer (FLIM-FRET) in living cells (Figure 4). They created ShadowR by modifying the surface of the chromoprotein...
  10. Transgenic Organisms, Cas9 Gene Drives, and Appropriate Safeguards

    Type
    Blog Post
    Published
    May 22, 2015, 4:58 p.m.
    ...Cas9 should be aware of the potential hazards of creating “gene drives” capable of spreading through wild...does making transgenic organisms with Cas9 risk creating a gene drive? The simplest way to make a gene ...appropriate flanking homology into a germline cell can create an RNA-guided gene drive. In principle, this event...Consequently, the best way to avoid accidentally creating a gene drive is also the easiest: don't use a ...
  11. Drew Endy Introduces the Biobrick Public Agreement Plasmid Collection

    Type
    Blog Post
    Published
    Dec. 12, 2013, 3:35 p.m.
    ...White House as a Champion of Change, a program created as part of President Barack Obama's Winning the...DNA. We thought these were so much fun and so incredibly useful that we wanted to make them free to use... the invention of genetic engineering. What's incredible is the bioeconomy is already pretty substantial...product – equal to mining. There is an absolutely incredible hidden story here. The parts we are releasing...
  12. Transferable Skills Guide: Identifying Your Transferable Skills

    Type
    Blog Post
    Published
    Jan. 11, 2018, 3:29 p.m.
    ...teamwork, communication, writing, management, and creativity; I have developed these skills through school...not just “do the job”. When they ask about your creativity, your potential manager wants to hear a specific... job market, it is the transferable skills that create a full package and add an extra shine to your work...resolution Organization Leadership Problem Solving Creativity Data analysis Listening Negotiation Career Planning...
  13. MXS Chaining

    Type
    Blog Post
    Published
    Feb. 7, 2017, 3:30 p.m.
    ...purpose of MXS chaining MXS-chaining was designed to create plasmids for fluorescence imaging or flow cytometry...cells. Four individual expression constructs were created, each containing a unique fluorescent protein with...) and the four constructs were then combined to create a single polycistronic 15 kb insert. The final ...construction of plasmids with many components. The creators of the MXS-chaining method have used the technique...
  14. INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons

    Type
    Blog Post
    Published
    Dec. 7, 2020, 2:53 p.m.
    ... bound by QCascade (Fig. 1B). The process also creates a 5-bp target-site duplication (TSD), a hallmark...Transform plasmid(s) into cells and plate overnight Screen colonies phenotypically or by PCR/sequencing ...doi.org/10.1073/pnas.1709035114 Rubin BE, Diamond S, Cress BF, Crits-Christoph A,  He C , Xu M, Zhou Z, Smock...science.abb2920 Vo PLH, Ronda C, Klompe SE, Chen EE, Acree C, Wang HH, Sternberg SH (2020) CRISPR RNA-guided...
  15. Introducing Addgene's New Search - Find Plasmids More Easily For Your Research!

    Type
    Blog Post
    Published
    Dec. 3, 2019, 11:38 a.m.
    ...more about this!). I’ve assembled a series of screenshots to highlight changes to both the design and functionality...NeuroMab Collection for details). The following screenshots show the range of different terms we can use ...the primary investigator where the plasmid was created can narrow your search results to exactly what ...experiment, and want to see if someone has already created and deposited it with Addgene. Combining search...
  16. Tips for arabidopsis transformation

    Type
    Blog Post
    Published
    Oct. 25, 2018, 1:23 p.m.
    ...new inflorescences begin to grow. This will also increase the number of inflorescences overall, which may...them again.  This won’t hurt them, and it will increase the chances of tDNA integration. Selecting Arabidopsis... seeds too densely during selection: this will increase background growth of non-transformants and make...Gateway Binary Vectors: High-Performance Vectors for Creation of Fusion Constructs in Transgenic Analysis of...
  17. Simplify Cloning with in vivo Assembly

    Type
    Blog Post
    Published
    Oct. 18, 2018, 12:37 p.m.
    ...assembly decreases as the cloning complexity increases. The efficiency of recombination is increased with ... minimize false positive colonies. We routinely screen just two colonies for simple cloning procedures...
  18. A Career in Grants: How To Become a Grant Professional

    Type
    Blog Post
    Published
    Aug. 20, 2015, 2:30 p.m.
    ...written portion of the grant application. They have increased their demand for stronger budgets with clear budget..., the amount of grant funds available and the increasing regulatory process for grants has fostered the... your own Professional Development Strategy to increase your competencies and skills in the grants profession...Management and Evaluation and/or earning the GPC credential from the Grant Professional Certification Institute...
  19. Plasmids 101: Protein tags

    Type
    Blog Post
    Published
    Dec. 11, 2014, 4:26 p.m.
    ...other epitope tags – which when doubled or tripled increase the tag size quickly – modifying the length a ...tag is not enough. What if you need one tag to increase solubility and one tag for purification? Or you...don’t want more tag than protein), 2-3 tags is increasingly common. Tandem affinity purification (TAP) once...protease itself, with various mutations used to increase its stability activity, can be readily purified...
  20. Save Time with Transient Plant Leaf Transformations

    Type
    Blog Post
    Published
    July 25, 2019, 12:03 p.m.
    ...inefficient, and often not reproducible. Prior to creating transgenic cultures or plants, our transient expression... expression method enables us to quickly screen and investigate transcription factor candidates and the...with the MoClo system you can easily and quickly create customized vectors. For more information on MoClo...transient leaf transformations are a great help in screening candidate genes and speeding up research. Certainly...
  21. Plasmids 101: Codon usage bias

    Type
    Blog Post
    Published
    Sept. 27, 2018, 1:09 p.m.
    ... sequences Restriction sites Sequences prone to create secondary structures in RNA transcripts Effects...factors on their own. Luckily, many researchers have created codon optimization algorithms and DNA synthesis...abundance tRNAs in your expression host and thereby increase their abundance. For example, the commercial Rosetta...system for many different genes without having to create new constructs. However, due to problems such as...
  22. Healthcare Consulting: A Door to the Business of Life Sciences

    Type
    Blog Post
    Published
    Oct. 13, 2016, 2:30 p.m.
    ...s clinical and commercial future, and yet are incredibly difficult to find solutions to. There are many...on them in a timely fashion while allowing for creative solutions to emerge. They enjoy the fact that ...home and at the office. Consulting firms are increasingly aware of the toll that long working hours and...career paths available to MDs and PhDs, and an increasing recognition of the value graduates bring to these...
  23. Tips for Using FRET in Your Experiments

    Type
    Blog Post
    Published
    Nov. 5, 2014, 3:41 p.m.
    ... table below lists plasmids that can be used to create your choice of fluorescent fusion protein with ...quenching and the fluorescence of the donor is increased. This method is straightforward and quantitative...days and good “gigs” ahead...No offense to BRET, CRET and other RET techniques which have never outclassed... BRET= Bioluminescence Resonance Energy Transfer CRET= Chemiluminescence Resonance Energy Transfer    ...
  24. March for Science

    Type
    Blog Post
    Published
    April 21, 2017, 2:30 p.m.
    ...21–26). Increased scientific funding (17). Federal funding for science has been decreasing for the last... government and, consequently, politics. More concretely, scientists gather information about reality ...institutions, while many also seek to honor and credit women, immigrants, and minorities who have had ...
  25. Plasmids 101: Biotinylation

    Type
    Blog Post
    Published
    Nov. 15, 2018, 1:50 p.m.
    ...complex can bind to your biotinylated antibody. This creates a large meshwork of biotin-avidin complexes bound...label a protein of interest with biotin by simply creating a fusion in which AviTag is added to either the...or polypeptides to a solid substrate (Holden and Cremer, 2003). References 1. Chapman-Smith, A., & Cronan...588–600. PubMed PMID: 2388593 7. Holden, M. A., & Cremer, P. S. “Light activated patterning of dye-labeled...
  26. Five Popular Model Organisms, Part 2

    Type
    Blog Post
    Published
    Sept. 29, 2020, 1:15 p.m.
    ...most unique model organisms, recognized for its incredible regeneration abilities. The axolotl has the ability..., 2019). To study regeneration scientists have created molecular biology tools to generate transgenic ...Xenopus genes and a tool-kit from the Hamdoun Lab to create fluorescent fusions in a multitude of organisms...Xing, X.-H. (2018). Pooled CRISPR interference screening enables genome-scale functional genomics study...
  27. Transferable Skills Guide: Conflict Resolution

    Type
    Blog Post
    Published
    Jan. 4, 2022, 2:15 p.m.
    ... an organization gets, and creating new avenues of communication can create as many problems as it can...guidance X and Y might be able to work together to create solution C. And if a conflict resolver does their...have learned that by working together, they can create unique solutions that benefit themselves and their...
  28. Using Phosphoserine to Study Protein Phosphorylation

    Type
    Blog Post
    Published
    June 23, 2016, 2:30 p.m.
    ...phosphoserine (Sep)-tRNA synthetase enabled researchers to create an orthogonal translation system (OTS) for the ...residues in the above study with phosphoserine (to create a pSer/phosphomimetic dual mutant) elevated kinase... as an alternative to phosphomimetic mutation. Creating phosphoserine-incorporated proteins The generation... This is a particularly important control when creating a phosphoserine-incorporation mutant for a residue...
  29. CRISPR 101: Off-Target Effects

    Type
    Blog Post
    Published
    Feb. 8, 2024, 2:15 p.m.
    ...differences. If you are performing CRISPR library screens, the same principle holds true - the higher the...lower the likelihood of an off-target artifact. Increasing the N in your experiment is the only way to effectively...effectively control for off-targets and significantly decrease the probability of artifacts. Off-target controls...Rabinowitz R, Offen D. Single-Base Resolution: Increasing the Specificity of the CRISPR-Cas System in Gene...
  30. Viral Vectors 101: Optogenetic Tools

    Type
    Blog Post
    Published
    June 27, 2023, 1:15 p.m.
    ...Experimental output is measured and quantified. Created with BioRender.com.   Optogenetic tools Types...passing ions against the concentration gradient. Created with BioRender.com.   Opto-G-protein coupled...the binding pocket and activates the receptor. Created with BioRender.com.   Controlling secondary...LOV domain allowing the pathway to be activated. Created with BioRender.com.   Important considerations...
  31. Technique: Probe Phage Genomes for Host Binding Proteins

    Type
    Blog Post
    Published
    Sept. 29, 2016, 2:30 p.m.
    ...be cloned into E. coli and subsequent proteins screened for cell-binding abilities (6). This can be accomplished... repair sheared ends with T4 DNA polymerase (to create blunt ends) and ligate into a bluntly digested ...construction for functional genomic and metagenomic screening." Applied and environmental microbiology 74.5 ...Protein-Protein Interactions Use CRISPR For Genome-Wide Screens Resources on Addgene.org Visit Our Microbiology...
  32. Mycoplasma Contamination: Where Does It Come From and How to Prevent It

    Type
    Blog Post
    Published
    Oct. 8, 2020, 1:15 p.m.
    ...individuals wherever the cell cultures are kept will increase the risk of contamination. Mycoplasmas can spread...even though the viability of cryopreserved cells decreases with every subculture. Equipment Fumigate the... not be stored in a single incubator since it increases the risk of cross-contamination. CO2 incubators...Elimination is a very time-consuming process and increases the risk of secondary contamination to other healthy...
  33. Antibodies 101: Validation

    Type
    Blog Post
    Published
    March 24, 2022, 1:15 p.m.
    ...IWGAV five proposed antibody validation pillars. Created with BioRender.com.     Orthogonal Strategies...knock-down expression of your target or CRISPR/Cas9 to create mutations that essentially eliminate expression...opposite of the Genetic strategy and looks for increased antibody signal in samples that have had the target... target protein expression experimentally increased. The simplest version would be to use cells that do...
  34. A History of Genome Engineering in Popular Culture

    Type
    Blog Post
    Published
    Feb. 25, 2020, 2:15 p.m.
    ...The premise of the novel involves Dr. Moreau who creates human-animal hybrids. This book is published 30...character revolts against class divide that is created by genetics.    Zinc finger nucleases Zinc finger... it can read many base pairs simultaneously to increase specificity. This modular approach made ZFNs highly...space travels. The movie sees the USS Enterprise crew fight against a genetically engineered superhuman...
  35. With an Eye Towards the Future, We Look Back at the March for Science

    Type
    Blog Post
    Published
    Oct. 24, 2017, 1:54 p.m.
    ...public. Find out more at www.projbridge.com. Walnut Creek, CA, USA 37.9101°N 122.0652°W – Steph Hays When...microbial interactions, and science education. Photo cred Alina Chan. Seattle, Washington, USA 47.6062°N 122.3321...others come out who feel the same.  I was also incredibly impressed with how well organized the march was...was, as well as the friendly atmosphere that was created by the many thousands of science professionals ...
  36. Antibodies 101: Designing Your First Flow Panel

    Type
    Blog Post
    Published
    May 28, 2024, 1:45 p.m.
    ...more photons are absorbed and then emitted, which creates a relatively stronger — or brighter — signal.   ...brightness levels on your smartphone or computer screen), and you should be able to properly label many...included—the live/dead stain. This stain is in fact not created through the actual APC-Cy7 fluorophore but displays...absorbed and emitted by matter, and how this process creates visible colors. Next, you learned about how fluorophores...
  37. Which Fluorescence Microscopy Techniques is Best for Me?

    Type
    Blog Post
    Published
    Oct. 10, 2017, 1:57 p.m.
    ...Parallelized Confocal Microscopy (Spinning Disk) increases the speed at which a confocal image can be acquired...utilizes a configuration of two or more objectives to create a thin sheet of excitation light that propagates...molecules on and off. This can provide a 2-10 fold increase in resolution, down to 10s of nanometers. Thick...samples due to its fast temporal resolution and decreased phototoxicity. Lightsheet designs that allow for...
  38. #Deckthelab Contest Winners 2017

    Type
    Blog Post
    Published
    Jan. 31, 2018, 2:44 p.m.
    ...year’s impressive entries, but our community of creative scientists delivered some spectacular photos once...supply tree and set a challenge for her lab mates to create the best-recycled lab supply ornament ever! & they...winners. We hope everyone had a blast decorating and creating memories with their labmates! Are you inspired...
  39. CRISPR 101 eBook...en español

    Type
    Blog Post
    Published
    Jan. 18, 2024, 2:15 p.m.
    ...the world to help increase global access to materials in our repository. This incredible gift will allow...a los materiales de nuestro repositorio. Este increíble regalo permitirá que más personas accedan a recursos...
  40. New Educational Resource: The Addgene Videos Page

    Type
    Blog Post
    Published
    June 16, 2017, 2 p.m.
    ...complement our written protocol materials, we have also created video protocols.  These feature step-by-step instructions...below: How-to videos Our How-To videos feature screen-capture footage to help you navigate Addgene’s ...the Addgene Blog 5 Science Rap Videos and Their Creator: Tom McFadden SciComm with the Experts at Science...
Showing: 361 - 400 of 788 results