We narrowed to 1,014 results for: REN;
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TypeBlog Post...shared ownership. Go check it out! References and Resources References Radtke, A. J., Chu, C. J., Yaniv,...mean highly multiplexed: you can image over 65 different parameters using this method (see Movie S8 from...for spatial biology enthusiasts. This dataset currently includes 1049 community-validated reagents from...fluorescent probes, representing imaging from 47 different tissues. Researchers upload and share both their...resources .csv file for easy filtering and sorting. Reference images can be viewed by clicking on the links ...data, more discussion, and more functionality. Transparency, both in what works and in what doesn’t, and...
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Plasmids 101: Common Lab E. coli Strains
TypeBlog Post...hard to count the number of different commercial strains of E. coli currently available – a quick Google...the intestinal tract of animals. There are many different naturally occurring strains of E. coli, some of...more convoluted due to researchers sharing and renaming samples throughout history. It was likely isolated...tetracycline Additionally, Table 2 provides a quick reference for some of the popular strains, their genotypes...lacZΔM15] hsdR17(rK-mK+) MC1061 Streptomycin Parent of DH10B/TOP10 and derived strains, common lab ... has a great list of genetic markers for your reference. Browse Addgene's curated list of Bacterial Expression... Matthew Ferenc... -
Deep Mutational Scanning with One Pot Saturation Mutagenesis
TypeBlog Post...works well to generate libraries, they all have inherent shortcomings compared to one pot saturation mutagenesis... and scalability (see Supplementary Table 1 of Wrenbeck et al). It uses a uracil labeled wild-type ssDNA... saturation mutagenesis technique described in Wrenbeck et al is a PCR-based approach for generating a...264 basepairs, was the maximum length tested by Wrenbeck et al but it’s likely that longer stretches of...of positive clones. See Supplementary Note 1 in Wrenbeck et al for details on how nicking was optimized...mutagenesis? How would you use it in your research? References 1. Natarajan, Chandrasekhar, et al. "Epistasis...Protocols, pg. 103-109. PubMed PMID: 20676978. 3. Wrenbeck, Emily E., Justin R. Klesmith, James A. Stapleton... -
Multicolor Animals: Using Fluorescent Proteins to Understand Single Cell Behavior
TypeBlog Post...construct containing fluorescent proteins (XFP) of different colors to label an organ or entire organism. Because...localization sequence, allowing it to localize to a different area of the cell than CFP and YFP. The most recent...could recombine to activate the expression of a different fluorescent protein. Therefore, each cell could...Confetti mouse was first used to describe the self-renewal of cells in the intestinal crypt, and since then...proliferating cells. Tetbow optimizes Brainbow for current technologies Tetbow (Sakaguchi et al., 2018) overcame...method that makes tissues, such as the brain, transparent so that the 3D architecture of a fluorescent ...can be combined with new imaging techniques. References Cai, Dawen, et al. "Improved tools for the Brainbow... -
New Optogenetic Tools for Cytoskeleton and Membrane Control
TypeBlog Post...of interest supports a variety of processes in different cell types. One great way to do this is to use...model for optogenetic studies since they are transparent and the developing embryo is accessible for injection...SuperPLD module is optogenetically recruited by different CIB constructs to the plasma membrane or lysosomes...future updates to the collection! Resources and references Additional resources on the Addgene blog Viral....org Optogenetics Guide Optogenetics Plasmids References Aljiboury, A. A., Ingram, E., Krishnan, N., Ononiwu...precise control over vascular endothelial barrier strength. eLife, 12, RP84364. https://doi.org/10.7554/eLife...optogenetic tool for localized, microtubule disassembly. Current Biology, 32(21), 4660-4674.e6. https://doi.org/... -
Using Phosphoserine to Study Protein Phosphorylation
TypeBlog Post...however different proteins will likely achieve different levels of incorporation due to differences in stability... further technical reference and protocols for use of this system, please reference ‘Rinehart Lab reagents...tools such as phosphospecific antibodies, which aren’t available for the majority of documented phosphorylation... length of induction, which will vary between different proteins. Beyond these standard considerations...mitochondrion. You can follow her on Twitter @nieminm. References 1. Cohen, Philip. "The origins of protein phosphorylation... -
Networking and Inspiring Young Scientists at Freshers Fairs
TypeBlog Post...Laureates, who speak about their work and current, trending topics in their area of research. The society...students with their applications. The society currently has 1,283 members, who comprise undergraduates...students who want to study chemistry. The society currently has 352 members, ranging from undergrad all the...Biological Society based at the University of Oxford currently has around 700 members and hosts a range of scientific...provides talks and career support for a range of different scientific disciplines, as well as social and ...members as well as arranging collaborations and conferences for their students. Another large goal of the... -
Early Career Researcher Toolbox: Free Tools for Making Scientific Graphics
TypeBlog Post... to use pre-drawn images in your figures Biorender Biorender is like clip art for scientists. The web-...guarantee Biorender will create it. Additionally, you can upload your own images to the Biorender workspace...workspace. Free Biorender accounts can store 5 workspaces at a time and workspaces are only downloadable in...in a small file size with a Biorender watermark, which is usually ok for informal settings like lab meeting... paid account. I’m proud to announce that @BioRender (a project my team & I have poured our hearts ... -
Antibodies 101: Fc Effector Functions
TypeBlog Post...subclass, and are part of the reason why different isotypes drive different types of immune responses. Handily... do so much more than that! References and resources References Clynes RA, Towers TL, Presta LG, ...immune cells. (psst! Need a quick review of the different immune responses? We got you! You can also review...receptors; and so on and so forth. There are a lot of different receptors, but their downstream effects can be...region contributes to affinity and specificity. Trends in Immunology, 29(2), 91–97. https://doi.org/10.1016... -
Is this the right place for me? 8 tactics for choosing a lab
TypeBlog Post...something you CAN choose and it will make a huge difference for your future career and life. You might see...amazing scientists, but the labs were profoundly different. My first rotation was with a mid-sized lab with...hone in on the factors that will make the most difference for your success. Gather data on the lab choices...? What is the energy level in the lab? Does a frenetic atmosphere make you edgy or energized? Are you...used to a lot of attention? Or are you one of 8 children and used to getting the attention you need? Are...your best performance and learning? Everyone’s different so give some thought to what atmosphere makes ...lifelong learners. I believe we won’t be happy if we aren’t learning so before you take any position you must... -
Plasmids 101: Dimers and Multimers
TypeBlog Post...plasmid sample has a mix of different-sized multimers, you may even see different sets of bands on the gel... us at [email protected]. Resources and References References Bacolla A, Wang G, Jain A, Chuzhanova NA...multimerization has been observed to occur in many different kinds of plasmids, taking many forms (Levene, ...from BiteSize Bio for more information on how different plasmid conformations run on an agarose gel). ... tips. Portions of this figure were made with BioRender. Grow plasmids in recombinase-deficient...Plasmids 101 eBookAddgene's Molecular Biology ReferenceAddgene's Restriction Digest Protocol More resources... -
Fluorescent Proteins 101: Luciferase
TypeBlog Post...emission wavelengths. Renilla luciferase from the sea pansy (Renilla reniformis) emits a blue light with...(Vargulin) luciferin None Yes Sea pansy(Renilla reniformis) 480 36 Coelenterazine None No Deep sea...laser to rapidly excite GFP. As a result of the different mechanisms to produce photons, chemiluminescent...Cofactors/Substrates Required Not Required Signal Strength Lower Higher Sensitivity Higher Lower Background... -
Visualizing Genomic Loci with CRISPR-Sirius
TypeBlog Post...cells (Ma et al., 2015). To do so, they fused a different fluorescent protein to various Cas9 variants, ...either MS2, PP7, or boxB) that each recruits a different fluorescent protein (BFP, GFP, or RFP) to the ...green, or red readout. But gRNAs containing two different hairpins will produce a secondary color (yellow...allows for simultaneous visualization of sites on different chromosomes in living cells, the system requires...they chose an intergenic DNA region (IDR3) as a reference loci to measure inter-locus distances of loci ...sgRNA-Sirius-4X(MS2-PP7) showing recruitment of different fluorescent proteins. (B) CRISPR-Sirius used to...try. Find CRISPR-Sirius plasmids at Addgene. References Ma, Hanhui et al. “Multicolor CRISPR labeling... -
Summer SciComm Series: A PhD in Science Communication
TypeBlog Post...efficacy of different materials so that we could have discussions about the pros and cons of different fabrics...about the difference between airborne and aerosolised droplet transmission and how different fabrics and...sexual and reproductive health. References and Resources References Drummond, C., & Fischhoff, B. (2017...used to stay up past my bedtime, poring over my grandparents’ medical textbooks by torchlight under the covers... -
Plasmids 101: Gram Negative and Positive Bacteria
TypeBlog Post...in 1983. The differences between gram positive and negative bacteria is due to differences in cell wall...minoring in studio arts photography. References and resources References Silhavy, TJ., Kahne, D. & Walker ...negative and positive bacteria are permeable to different classes of antibiotics. The classification system...system is incredibly helpful in visualizing differentiations between bacteria, leading to safer medicine...diagnostics/22612-gram-stain Hardy, J. Gram’s Serendipitous Stain. https://hardydiagnostics.com/wp-content... -
FPbase: A new community-editable fluorescent protein database
TypeBlog Post...view previous versions. Currently, all submissions also require a DOI referencing primary literature, and...the time) began an effort to collate some of the current “best” FPs, and I collaborated with him on a web-based...that one might like to store about FPs than is currently represented at fpvis (complete spectral information...sequences and lineages, FRET efficiencies, additional references, etc...) and a more robust database structure...address). One may also simply attach important references that serve to further characterize a protein ...plenty of room for improvement and elaboration. Current projects include incorporation of biosensors, protein... -
Screening for Successful Genome Editing with Digital PCR
TypeBlog Post...desired mutations. The assays you will use aren’t that much different from conventional duplexed primer probe...mutation of your favourite gene, there are several different methods available. Thankfully, there are many ...primer to amplify the target locus, as well as a reference probe designed to bind at an unedited site distal...are completely “blind” to this very important difference (Figure 3). If you are interested in harnessing... mutations be out of frame! Scott Findlay is currently a Postdoctoral Fellow at the University of Alberta...biology. Follow him on Twitter @AnotherLabRat. References 1. Miyaoka, Y. et al. Isolation of single-base... -
Protein Tagging with CRISPR/Cas9: A Conversation with Mendenhall and Myers
TypeBlog Post... actually surprising to us that there aren’t a hundred different versions of this out there. Addgene: ...Addgene. For more details on the plasmids that are currently available along with detailed protocols, go to...and it’s already looking like it’s making a big difference. We can now look at many more transcription factors... this for tagging any protein in all kinds of different assays, not just transcription factors. The second...cells. It was made artificially. That means you aren’t getting any background or cross-reacting. We’ve... They could also switch from FLAG to GFP or a different epitope. Addgene: Do you have any additional tips... -
AAV Q&A with Tim Miles
TypeBlog Post... the best method for titering AAV? Is there a difference in titer results between ddPCR and qPCR? A: At...curve and somewhat more reliable quantitation. Differences in sample treatment across methods can affect... Q5: What is the efficiency of co-delivering different AAV particles into the same cells in vivo? A: ...give some insight into codelivery efficiency at different doses. See Figure 4 in this paper for more information...epithelial cells of the blood brain barrier we would currently recommend PHP.V1 or AAV-BR1. We recommend you ...IACUC committee. Animal Models Q9: Is there any difference in transfection efficiency when delivering these...injections? A: We have not observed any appreciable difference in AAV transduction efficiency between retro-... -
Antibodies 101: Monoclonal Antibodies
TypeBlog Post...for your experimental needs. References and resources References Bradbury ARM, Trinklein ND, Thie ...experiments, you may be curious about all of the different kinds of antibodies that are available. One common...monoclonal antibody production. Image created with BioRender.com. The antibody-producing B cells that are...heterogenous mixture of antibodies that recognize many different epitopes on the same protein - are more likely...impacts the specificity, avidity, and number of different antibodies produced by the hybridoma. Image from... Trimmer JS, Görnemann J, Glanville J, Wolf P, Frenzel A, Wong J, Koh XY, Eng H-Y, Lane D, Lefranc M-P...