...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...

...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...

...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...

...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...

... 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 ...

...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...

...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...

...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...

...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...

...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...

...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...

...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...

...discussed are compiled for reference below. Happy virus making!  References and Resources Kulanayake,...promoter and terminator regions and are slightly different in sequence. Both LTRs do share common repeat ...there are bonus components to these vectors that aren’t reflected in the common components outlined above...Adeno-associated virus AAV’s elements are quite different from gamma-retrovirus, but they perform very similar...which allows for altered tropism of AAV to target different tissue or cell types. AAV also requires some back...will outline the common features as well as the differences within their viral elements. Gene expression ...

...spread the word as new protocols come out! References Noren, C. J., Anthony-Cahill, S. J., Griffith, M...incorporation of an unnatural amino acid in translation (Noren et al., 1989). In the late nineties, this was developed... But this focus on development, along with the inherent trickiness of using and optimizing GCE, led to...site-directed mutagenesis, many researchers new to GCE aren’t able to successfully complete their experiments...uncommon to find protocols that require reagents which aren’t broadly or easily available, so you may find yourself... they’d also love scientist interested in, or currently using, GCE to reach out to them and let them know...

...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...

...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...

...new features to the tool. Resources and References References Adler, B., Trinidad, M., Bellieny-Rabelo...CasID, to help facilitate direct comparison of different enzymes. CasPEDIA is meant to be a constantly ...plasmids containing that enzyme, and embedded in the References lists on every page you can find direct links...design, etc.). With this feature, you can compare different Cas enzymes to make sure you are getting the desired...the winner!).   Fig. 3 – Comparison of different Cas enzymes using CasPEDIA. Adapted from Adler...Phylogeny tool allows users to browse entries by the current phylogenetic nomenclature and discover orthologs...

... 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-...

... 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...

...use temperature to denature and renature the dsDNA. Upon renaturation, you will generate DNA duplexes ...at how variable Cas9-expression was across the different cells (Figure 3).   Figure 2: Cas9 expression...publication. Pro-Tip: 1. Use multiple gRNAs to target different regions of your gene. I used existing BRAF gRNA...our website. There are a few reasons to target different regions of the gene with multiple gRNAs, but the...comparing the phenotypes of multiple gRNAs. Targeting different regions of the gene is also useful in case the...that would co-migrate on a gel) instead of two different sized digestion products (which could be easier...your way to making new scientific observations. References 1. Rago C, Vogelstein B, Bunz F. Genetic knockouts...