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We narrowed to 798 results for: Cre

Showing: 161 - 180 of 798 results

  1. Uncertainty about Labor Law Brings More Uncertainty to Postdoc Wages

    Type
    Blog Post
    Published
    Jan. 11, 2017, 3:30 p.m.
    ... the injunction. While much of this decrease is due to an increase in the number of universities’ whose...postdocs who were expecting a salary increase have had that increase cancelled. Rounding out the remainder...payment for working more than 40 hours per week increasing from $23,660 to $47,476 per year. This post discusses... of postdocs who weren’t going to get a salary increase prior to the injunction still won’t after the ...issues such as childcare using money from their increased salaries. In addition, salary uncertainty may ... costs of living would get much better salary increases that those in less densely populated areas. This...Gary's Previous Article: Changing Labor Laws Bring Increased Postdoc Wages Read about the Advocating for Science...

  2. Plasmids 101: Golden Gate Cloning

    Type
    Blog Post
    Published
    Aug. 27, 2015, 2:30 p.m.
    ... of interest. Although efficiency may decrease with an increased number of fragments, or the ligation ... cleave outside of their recognition sequence, creating four base flanking overhangs. Since these overhangs... fragments, these problems can be overcome by screening a higher number of potential clones. Golden Gate...the ordered assembly of multiple DNA fragments to create TAL effector nucleases. These plasmids were designed...This cloning strategy not only makes it easy to create a single gRNA-expressing plasmid, but it can also...fragment: PCR-based amplification can be used to create silent point mutations at internal recognition ...Whether you are using the Golden Gate method to create CRISPR/Cas9 constructs, assemble standard plasmids...

  3. Educational Planarian Tools for Teaching Developmental Biology Techniques

    Type
    Blog Post
    Published
    May 24, 2018, 1:20 p.m.
    ...challenging for amateur scientists. Planarians, wormy creatures commonly found in freshwater ponds, provide a ...promoters to allow for bidirectional transcription to create dsRNA. Students can produce DNA templates via PCR... PCR off of the same plasmid and use these to create riboprobes for in situ hybridization experiments.... as how to perform worm amputations. They also created an online companion resource called “cutting class...within an embryo or tissue. Once the riboprobes are created, the WISH protocol involves preparation of the ...as a result, these cells turn blue. Students can create synthetic riboprobes off of linearized DNA templates...from their organism of interest, use the RNA to create a complementary DNA (cDNA), and then use PCR and...

  4. 3D Printing Meets CRISPR Cas9

    Type
    Blog Post
    Published
    Oct. 17, 2017, 12:55 p.m.
    ...protein in your hand? At 3D Molecular Designs, we create physical models of proteins using 3D printing technology... real”.  We sometimes forget that the models we create are around 30 million times larger than the real...were soon developed that allowed researchers to create stunning, interactive images of their proteins....physical models of protein structure? We have been creating physical models of proteins for researchers for...educators and students use molecular models?   We created the Center for BioMolecular Modeling (CBM) in 1999... 1999 with the expressed purpose of creating physical models of proteins and other molecular structures...researchers to learn about their research while creating physical models of proteins that are being investigated...

  5. Microbes: Look, Listen, and Tell

    Type
    Blog Post
    Published
    Aug. 28, 2018, 12:04 p.m.
    ...in vivo: acoustic reporter genes’ on our blog. Creative approaches to presenting the microbial world ...bacteria in the lab, I was excited to learn about creative approaches to visualize bacteria in an educational...educational setting. The Symposium on ‘Creative Approaches to Presenting the Microbial World’ showcased complex... comics (Dr. Sanja Saftic) to educational gifs created by the Amoeba Sisters. Here’s one example of how...lactose-around-we-can-make-some-enzymes-for   The take home message was that being creative and telling a story makes scientific topics both... fascinating to see the living art designed by creative minds with a (I assume) very steady hand. By connecting...connecting art and science, a fascinating interface is created that produces loads of inspiration for the current...

  6. Uncovering Ancestral Bias in CRISPR Research

    Type
    Blog Post
    Published
    Nov. 29, 2022, 2:15 p.m.
    ...genome-wide screens, introducing bias into all work based on these and any other CRISPR screens using the..., race. Many researchers do large-scale CRISPR screens in cancer cell lines, looking to uncover genetic...targets and related biomarkers . Data from such screens are often uploaded to the Cancer Dependency Map...Boehm labs pulled data from more than 1000 CRISPR screens in DepMap to see if they could identify the ancestry... American, Africa, or South Asian) used in the screens based on the cells’ germline genetic variations...about 90% of the cell lines used in DepMap CRISPR screens are of either European or East Asian ancestry, ...actually reference?  The CRISPR guides used in the screens they analyzed were designed to have a perfect match...

  7. Typing CRISPR Systems

    Type
    Blog Post
    Published
    March 18, 2025, 1:15 p.m.
    ...breaks caused by Cas12 create short 3’ overhangs, which leads to slightly increased efficiency when conducting...type to subtype to variant (shown in italics). Created with BioRender.com.   Class 1 versus class ...underutilized compared to Class 2. Class 1 Despite their incredible abundance, Class 1 CRISPR systems are less popular...Cascade. As you might imagine, this is handy for creating large genomic deletions. Type I systems are also...with Cas3 (pink). Complex shown is from type I-E. Created with BioRender.com.   Type III Type III is ...most engineered Cas enzyme, with adaptations for increased fidelity, activation/repression, high precision...CRISPR-Cas9 mechanism, representing type II-A. Created with BioRender.com.   Type V Type V uses Cas12...

  8. Fluorescent Proteins 101: Aptamer Fluorophores

    Type
    Blog Post
    Published
    April 11, 2017, 2:30 p.m.
    ...and Carrot, and further means to increase aptamer stability and decrease background in vivo. The nature ...enrichment (SELEX), some 1010 oligonucleotides could be screened for their affinity to a wide range of non-nucleotide... visualization techniques. In addition, their incredible versatility opens aptamers for use in many entirely...aptabeacons (or aptatags) were born. Aptabeacons can be created in many different ways, but the general premise...that bound the compound malachite green (MG) to create a non-protein based visualization technique. Ultimately... knowledge of the nature of GFP fluorescence to create an improved fluorescent aptamer system. Knowing... RNA aptamer that would bind the fluorogen and increase its fluorescence, essentially mimicking GFP.  ...

  9. Plasmids 101: Gateway Cloning

    Type
    Blog Post
    Published
    Jan. 12, 2017, 3:30 p.m.
    ...reactions. The BP reaction creates an attL-flanked entry clone. The LR reaction creates an expression clone ...reactions. Recombination of attP and attB sites creates attL and attR sites.   Gateway vectors contain...Gateway plasmids.    Figure 3: Method A to create an entry clone: recombination of an attB-flanked...attL-containing entry vector.   Figure 4: Method B to create an entry clone: TOPO cloning the insert into an...attL-containing entry vector.   Figure 5: Method C to create an entry clone: Restriction cloning the inset into...vector will recombine with the attL-entry clone to create the expression clone.    Figure 6: Generating...between the entry clone and destination vector creates two products: the desires expression clone and ...

  10. Bioinformatics at Addgene

    Type
    Blog Post
    Published
    July 14, 2022, 1:15 p.m.
    ... we grew. As the number of deposited plasmids increased, the accompanying sequencing data collection and...bioinformatics workflow management system As novices to creating a robust data pipeline that would be reliable ...community of Nextflow supporters existed who had created a shared resource of pipelines for genomic data... with others without any complicated setup. We created, tested, and debugged each of our pipeline steps...running the pipeline locally and in the cloud. Creating a bioinformatics workflow in Nextflow Establishing...scripting language that can be executed on Linux, we created our first process by simply copying and pasting...was working as expected, we moved forward with creating the next process and linking the output from the...

  11. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

    Type
    Blog Post
    Published
    May 2, 2019, 12:41 p.m.
    ... progress on the NSF “G to P grand challenge.” Creating a productive, new scientific community is no small...in particular, that they all share the plasmids created under this programs via Addgene. New organisms ... organisms) -  perhaps you’ll choose to study Crepidula atrasolea or Prochlorococcus with your next project...crisis. I like how they are using protocols.io to create a protocol community! Asclepias syriaca and Asclepias...used to study aspects of cognition. Spiralians - Crepidula atrasolea (Jonathan Henry) This black footed slipper...can express fluorescent proteins. This lab has created an automated tank for feeding and maintenance that...real bottleneck. New gif for #MolluscMonday: #Crepidula atrasolea juvenile, light microscope with polarizing...

  12. New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression

    Type
    Blog Post
    Published
    Jan. 24, 2023, 2:15 p.m.
    ...vesicles with nonlinear contrast. Increasing expression and decreasing genetic footprint We took a cue ...heterologously by bacteria inside the body. So we screened gas vesicles gene clusters from a diverse set ...expression heterogeneity required single cell screening to isolate a clonal cell line capable of producing... expression to appreciable levels. We wanted to create second-generation mARGs with higher expression,...reduced the number of copies of gvpA needed to increase expression. We were able to express Anabaena ...expression leads to greater amount of gas vesicles and increased ultrasound contrast. In all the cell lines we ...their tracking with ultrasound imaging (Fig. 2d). Creating a cell line can be a time-intensive endeavor. ...

  13. Deep Mutational Scanning with One Pot Saturation Mutagenesis

    Type
    Blog Post
    Published
    Feb. 22, 2017, 3:30 p.m.
    ...polymerase, 2) increased PCR extension time, 3) increased concentration of MgCl2, 4) increased concentration...PCR reaction is created by making some or all of the following modifications: 1) increased concentration...saturation mutagenesis Several methods can be used to create mutational scanning libraries. While each of these...Therefore, Gibson assembly is better suited for creating small, focused scanning libraries. PFunkel:...library that’s ready to be tested in a functional screen of your liking. This method is similar to site-directed... screen...

  14. Antibodies 101: Beyond Surface Labeling

    Type
    Blog Post
    Published
    June 27, 2024, 1:15 p.m.
    ...as a stepwise decrease in signal strength in a flow plot. d = days post treatment. Created using biorender.com...binding and (b) antibody host species interactions. Created using biorender.com. Another way of indirect...1b). As above, the advantage of this system is increased flexibility for panel design. Another perk is ...can be bound by several secondary antibodies, increasing the fluorescence signal intensity. However, you...cell, CD4+ T cell, dendritic cell, CD8+ T cell. Created using biorender.com.   Intracellular labeling...cytosolic proteins, as well as proteins of the secretory pathway. Those can include cytokines and chemokines...bind to their targets in the cytosol and nucleus. Created using biorender.com.   Dye stains Dye stains...

  15. Hot Biosensors 2022: Year-End Roundup

    Type
    Blog Post
    Published
    Dec. 6, 2022, 2:15 p.m.
    ...was identified from a high-throughput screen, selected for increased voltage response, brightness, and photostability... They use a unique and powerful high-throughput screen to select variants based on performance metrics...resulting JEDI-2P has faster response kinetics and increased brightness, sensitivity, and photostability under... be generalized to other RTKs of interest, they create sensors for FGFR1, EGFR and ErbB2. And orthogonal...developed using a high-throughput multiparameter screen (Koveal et al. 2022). Lactate is a key metabolite...cellular concentrations of lactate. The microfluidic screening platform developed here is also a promising approach...Figure 6: A) Schematic of BeadScan platform for screening candidate biosensor variants for performance under...

  16. Multiple Plasmids at a Low Price: Kits from Addgene

    Type
    Blog Post
    Published
    Sept. 14, 2016, 2:30 p.m.
    ...greatly reduced costs per plasmid. We generally create kits to allow you to easily use a set of plasmids...markers built into all plasmids in the kit help decrease false positives observed in the cloning process...protein combinatorial library by in vivo functional screen." Scientific reports 5 (2015). BIOFAB plasmid ...set 3000 Series Confronted with the problem of creating vectors for predictable protein expression in ...bacteria, researchers at the BIOFAB and the Endy Lab created this kit. The plasmids within it contain a variety...assembly. PhD student Dejan Gagoski used SITS to create the pCell-Free vectors, Gateway-compatible backbones...these different modular repeat segments, you can create a PUF protein that binds your RNA sequence of interest...

  17. Thoughts on the Future of Research 2015 Boston Symposium

    Type
    Blog Post
    Published
    Nov. 25, 2015, 4 p.m.
    ...topics discussed during the symposium will prove incredibly important to the stability of the biological ...align trainee expectations with job outcomes, and increase diversity in the academic research environment...these problems and some that stuck out to me were: Decrease the Number of Postdocs De-incentivize going into... more services based on what they're spending. Increase the number of science masters programs to prepare...postdoc salaries as opposed to Staff Scientists Increase the Starting Salary for Postdocs to $50,000 (the...salary as reported by Paula Stephan is $40,000) Increase Knowledge about Postdoc and Graduate Student Career...was highlighted during the conference that just increasing funding for academic research will not solve ...

  18. Viral Vectors 101: What is a Virus (and a Viral Vector)?

    Type
    Blog Post
    Published
    Aug. 18, 2023, 4:15 p.m.
    ...payload to a cell but cannot create new particles. As a bonus, this increases the carrying capacity of the...non-enveloped virus (left) and an enveloped virus (right). Created using biorender.com   If you’re new to talking ... Figure 2: Baltimore replication classes. Image credit: Louten, 2016 Viruses with DNA genomes can either...After a virion infects a cell, the single particle creates many copies of itself, sometimes up to millions...the risk of infection — researchers were able to create far safer viral vectors that can be used in BSL... the viral vector, increasing both safety and usefulness of the tool. In fact, most gutted genomes have...have as much genome removed as possible, just to increase the viral vector’s carrying capacity. In order...

  19. Prime Editing: Adding Precision and Flexibility to CRISPR Editing

    Type
    Blog Post
    Published
    Jan. 13, 2025, 9:49 p.m.
    ..., the Liu lab created and evaluated 19 PE1 variants with RT mutations known to increase activity, enhance... initial nick site (to avoid creating a double strand break), increasing editing efficiencies 2-3-fold... Figure 1: An overview of prime editing. Created with BioRender.com. How does it work? First... between the template and primer binding site, increase processivity, or improve thermostability. What...fold. However, the process of double nicking increases indel formation slightly. Designing the sgRNA with...inventors kept optimizing it. Using a pooled CRISPRi screen, the Liu lab discovered that cellular mismatch ...addresses the problem of RNA stability. Using a CRISPRi screen, they identified a protein that enhances prime ...

  20. Pushing the Limits of DNA Assembly

    Type
    Blog Post
    Published
    Sept. 6, 2017, 1:01 p.m.
    ...physically joining multiple fragments of DNA to create a synthetically designed DNA sequence. There are...fragment joining, but this is fine for its goal of creating a choice of standardized constructs and tools ... regions. Golden Gate Assembly also allows the creation of standardized DNA constructs, but its use of... expediently join multiple synthetic fragments, create multiple mutations in one or multiple fragments...well-designed fragment overlap sections, while still creating scarless plasmid inserts.  Want to Learn More...and eliminates the annealing step usually used to create a double-stranded oligo. Generating an sgRNA construct...directly transformed into E.coli for plating, screening and generation of sgRNA. Generation of sgRNA libraries...
Showing: 161 - 180 of 798 results