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We narrowed to 1,048 results for: REN

Showing: 581 - 600 of 1048 results
  1. Fluorescent Proteins 101: Introduction to FRET

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    Blog Post
    ...or undetectable FRET, well-characterized FRET reference standards can be used to validate FRET measurements...sophisticated questions about cellular processes. Currently, FRET experiments can probe protein-protein interactions...Borghi 2016) to a selected protein. Overcoming current limitations to permit the use of multiple FRET ... diseases and even assist in drug discovery. References 1. Baird, Geoffrey S., et al. "Circular permutation...biomolecular structure and dynamics in live cells." Current opinion in structural biology 34 (2015): 52-59....
  2. Getting Started with Behavioral Neuroscience: Standardizing Experiments and Using Viral Vectors

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    Blog Post
    ... can only carry around 4.5 kb. Different AAV serotypes have preferences for specific cell types. For example...end of an experiment series would behave very differently (distracted) from the ones tested at the beginning...Experiment Behavioral scoring systems (experimenter differences in behavior observation); experimenter blinding...viral service for their behavioral studies. References Stoica L, Ahmed SS, Gao G, Sena-Esteves M. Gene...
  3. Split-BioID: An Improved Method for Studying Protein-Protein Interactions

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    Blog Post
    ...28032891. This is a different version of Split-BioID. BirA* is fragmented at a different site than in Schopp... This can artificially select against PPIs that aren't stable outside the native cell context. The Split-BioID...of the BirA* fusion matters! Schopp et al saw different levels of fusion protein expression and biotinylation...research? Plasmids are available from Addgene! References Schopp, I.M., Ramirez, C.C., Debeljak, J., Kreibich...
  4. Progress Towards a PAM-Free CRISPR

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    Blog Post
    ...mammalian plasmid here and edit on! References and Resources References Kwart, D., Paquet, D., Teo, S. et...sequence constraints, or at least has looser or different requirements. Luckily, there are some available...necessarily more flexible than NGG; they’re often just different (e.g. NGAG, NGAN, etc.). Additionally, alternative...al). Additionally, SpG Cas9 with the same PAM preference of NG was isolated by the Kleinstiver Lab (read...
  5. The Materials Science of Optogenetics Experiments

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    Blog Post
    ...Several protocols have been written outlining the different steps and materials required for each [1, 2]. ...discussed above, each opsin variant has slightly different activation/inactivation kinetics. For example,...Biology from the University of Michigan and he is currently a Postdoctoral Fellow in the lab of Mary Jeanne... or follow him on Twitter @derekpsimonphd.    References 1. Gutierrez DV, et al. Optogenetic control of...channelrhodopsin for activation of CNS neurons. Current protocols in neuroscience / editorial board, Jacqueline...
  6. Promoters

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    Guide
    ... Educational Resources Molecular Biology Reference Promoters Promoters Prokaryotic Promoters Eukaryotic...promoter region during transcription. Created with BioRender.com. DNA sequences called response elements are ...transcription of DNA into mRNA. Promoter binding is very different in bacteria compared to eukaryotes. In bacteria...promoter region. Each sigma factor recognizes different core promoter sequences. Figure 2. Basic structure...TSS = transcription start site. Created with BioRender.com. Operons Although bacterial transcription is...regulation, like operons. Operons are a cluster of different genes that are controlled by a single promoter...Figure 3: Lac operon regulation. Created with BioRender.com. Common Bacterial Promoters Researchers often...
  7. Of Myc and Men

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    Blog Post
    ...antibodies, context is key.    References and Resources References Evan GI, Lewis GK, Ramsay G, Bishop...cell proliferation and tumorigenesis.  Using two different synthetic peptides corresponding to linear sequences... or the C-terminus, Evan, et al. isolated six different monoclonal antibodies (Evan, et al. 1985). Three...-9E10 variable regions and sticking them onto different scaffolds. But over the years, several alternative...
  8. Magnetic Control of Proteins: More than a Dream

    Type
    Blog Post
    ...Find the MagLOV plasmid here!   References and resources References Duret, G., Polali, S., Anderson,...just be an artifact and eliminate sources of interference, but the result persisted. (Even better, multiple...be developed from other fluorescent proteins.  Currently, the team is working to identify how MagLOV’s ... of many optogenetic tools. And, since MagLOV’s parent protein AsLOV2 has already been adapted into a ...
  9. Cloning Mammalian Cells with the Agarose Method

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    Blog Post
    ... splitting transfected cells into 3 plates at different densities for selection). A 2% agarose solution...to heat- the inside of the wrist or the cheek. (Parents of infants will have no problem with this!) Make...transfection into plates containing selection agent at different densities, then dispose of the plates that do ...freeze at least 2 ampules each of 4 clones with different levels of expression of our gene of interest. ...to rapidly isolate individual cell clones with different expression characteristics from a population of...
  10. Fluorescent Proteins 101: Visualizing Subcellular Structures & Organelles

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    Blog Post
    ... the protein within a living cell. Analyzing differences in protein localization and transport between...signals not visible to the human eye and are indifferent to subjective color intensity perception. Open...statistics that can be used to compare between different experimental setups. A colocalization analysis...one fluorescent signal in a channel setup for a different fluorescent signal) and photobleaching i.e. FP...Markers of Subcellular Localization Poster here! References 1. Allen Institute Plasmid Pages 2. Cooper GM...
  11. Golden Gate Assembly Upgrades: More Fragments, Faster Assembly, and Higher Fidelity

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    Blog Post
    ...pathway engineering and optimization. However, current best practices for assemblies of more than 10 modules...rely on two-step hierarchical approaches using different Type IIS restriction enzyme specificities at each...Assembly test systems Our research focused on three different levels of assembly: High efficiency and accurate...products to market, New England Biolabs, Inc.       References 1. Vladimir, Potapov, et al. "Optimization of...cloning protocols Check out our molecular biology reference pages ...
  12. Plasmids 101: 5 factors to help you choose the right cloning method

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    Blog Post
    ...still love using them! With so many technologies currently available, you now face the challenge of trying...create customized overhangs to assemble up to 6 different fragments in a prescribed order. These fragments...protocol is fairly flexible and adaptable to cloning different types of DNA, such as cDNA, PCR fragments, or ...deposit your finished constructs at Addgene!). References 1. Li, Chaokun, et al. "FastCloning: a highly...Find vector backbones Read our molecular biology reference ...
  13. Antibodies 101: Flow Compensation

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    Blog Post
    ...However, if your flow cytometer reads them out on different lasers, you should not need to compensate between... Guide Chart.  Pro tip! Some antibodies go by different names depending on your flow cytometer’s setup...look at the other channels you’re using first. A different fluorophore channel may be affecting your populations...first before you apply compensation values to your current channels. A notable exception If you have a sample...CD8+ T cells and cancer immunotherapies. She is currently a research technician in Arlene Sharpe's lab at...
  14. Twenty Years of Addgene Sharing: CRISPR

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    Blog Post
    ...previous Addgene CRISPR publications.  References and resources References Pyhtila, B., Kasowitz, S., Leeson...with CRISPR pooled libraries, although we used different categories (Figure 2C). Note that in Figure 2,...through the years.  Libraries are divided into different categories based on function: knockout (KO), activate...have CRISPR plasmids deposited from labs in ~40 different countries, and we’ve shipped CRISPR plasmids to...
  15. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

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    Blog Post
    ...randomized with a defined set of different trinucleotides (corresponding to different amino acids) in the regions...this, they injected the spike protein from two different coronaviruses into a llama over several days and...your target protein. The Seeger lab designed 3 different mRNA sybody libraries for use in the protocol,.... Find the Seeger lab's SARS-CoV-2 sybodies! References Geertsma ER (2013) FX Cloning: A Versatile High-Throughput...
  16. Experimenting with New Careers while in Grad School

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    Blog Post
    ... of "The world’s biggest and best children’s museum", The Children's Museum of Indianapolis. I drove passed...science outreach: engaging the public to promote an awareness and understanding of science. Like most science...advantage of my graduate experience. Melanie Fox is currently the founder and executive director of Central ...Plasmids for Your Research Learn About A Variety of Different Fields on Our Collections Pages  ...
  17. Sharing Your Lab Protocols: Using Apps to Save Time & Track Your Experiments

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    Blog Post
    ...your favorite protocols for future reference. The exchange currently boasts over 2,500 protocols covering...protocols.io/ Protocols.io is the creation of ZappyLabs. Currently in beta testing, the software aims to be a life...for others to use, and add your own comments. Currently you can find protocols from NEB, various academic...101 articles on various plasmid features, and reference tables (i.e. antibiotic concentrations, commonly...
  18. CRISPR Between the Genes: How to Experiment with Enhancers and Epigenomics

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    Blog Post
    ...As with GPS in the real world, coordinates alone aren’t very useful. We’ll need something like Google Maps...denotes intersection and the – operator denotes set difference. That’s the intuition for how genome math helps...enhancers from step 2. See which ESCs die or differentiate Step 3 reveals which NANOG-related genes are...distinct enhancer disrupted. As our ESCs die and differentiate over time, we periodically use next-generation...by starting with all of the DHS sites from 125 different human cell types from the ENCODE Project. DHS ...
  19. Course-Based Undergraduate Research Experiences (CUREs)

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    Blog Post
    ... in and out of the classroom.   References and Resources References Bangera, G., Brownell, S. 2014. Course-based...1977; Ma et al., 2020). Many have interpreted this trend as evidence that the best teachers and mentors pass...experiences afforded to those fortunate enough to apprentice with top scientists to larger groups of trainees...the University of San Diego), decided to take a different approach. His own most impactful learning experiences...
  20. The Effect of COVID-19 on Liu Lab Plasmid Requests From Addgene Data

    Type
    Blog Post
    ...capture the fact that different parts of the world encountered COVID-19 at different times. Most notably...papers. Figure 1: Plasmid requests by date. Parentheses depict the total number of plasmids ordered for...regions. Each of these regions was affected at a different time by COVID-19, so we defined the COVID-19 event...COVID-19 on many other scientific fields could be different.  Conclusion Figure 7: Mean inferred effects...
Showing: 581 - 600 of 1048 results