We narrowed to 741 results for: RAN-1

... the highly upvoted question.”If the Q&A session ran out of time, the speaker could continue to answer...participants could share their notes together. Figure 1: Can you draw Spongebob from these instructions without...

...two weeks, we were able to obtain eight clones. We ran digested and undigested samples of the clones on ...intern to complete and present on.    Figure 1: Addgene's summer interns presenting their capstone...and I wouldn’t want it any other way. Toj Toj-Villagran is a rising senior in high school who just completed...

...). Figure 1: The seed, tail, and scaffold sequences have different tolerances for substitution ...hybrid guide RNAs. Nature Biomedical Engineering, 1–13. https://doi.org/10.1038/s41551-025-01545-y  Yin.... Turns out, carefully designed RNA-DNA hybrid strands work just as well—or maybe even better—at guiding...genome-bound complex. This decreases the Cas protein’s tolerance for mismatches, reducing potential off-target ...., Testa, L. C., Quigley, A., Brooks, D. L., Grandinette, S. A., Said, H., Dwivedi, G., Jindal, I., Volpp..., R. C., Li, Q., Musunuru, K., Alameh, M.-G., Peranteau, W. H., & Wang, X. (2025). Improved specificity...

...References 1. Bressan RB, Dewari PS, Kalantzaki M, Gangoso E, Matjusaitis M, Garcia-Diaz C, Blin C, Grant V, ...the tag sequence flanked by homology arms (Figure 1). In the first step of optimization, we started off...form the ribonucleoprotein complex (csRNP, Figure 1). We use in-house purified Cas9 protein, which, in...standard immunocytochemistry (ICC) assays.  Figure 1: Three ingredients of epitope-tagging experiments....binding to the template strand (strand used by RNA polymerase II for transcription) are more effective for...complex. This complete transfection mix, i.e. csRNP plus ssODN, is then transfected into stem cells. Cells... were transfected in 96-well format using an Amaxa Shuttle device; 5 days after the transfection, the ...

...automated. Unlike gel electrophoresis, you only need 1-2 ul of sample and the run time is just a few minutes...quantified first before larger fragments. Figure 1: The quantification of a RNA ladder using capillary...This method involves measuring the absorbance/transmission of light through a liquid to determine the concentration...spectrophotometer measures these absorbances using UV-transparent cuvettes. First you measure the absorbance of...PicoGreen or SYBRGreen, are specific for double strand DNA (as compared to spectrophotometric methods ...However, the measurements are made in the visible range and can be read with a standard ELISA reader if ...

...is recognized and recorded as a DNA strand is synthesized (Figure 1). Sanger sequencing requires four separate...trace” file to determine the sequence. Figure 1: Overview of Sanger sequencing technology. Created...Technologies. Current Protocols in Molecular Biology, 122(1). https://doi.org/10.1002/cpmb.59  Wang, Y., Zhao,...“nanopores” that are attached to the flow cell membrane and have an electrical current running through...

...your budget, you should take the following steps: 1. Define your timeline Start with your thesis in mind...these decisions in the following order of importance: 1. First make decisions based on experimental timelines... several factors aren’t taken into consideration. 1. Always focus on the science When negotiating finances...will take to secure your first (R-level) research grant.  Set your timeline from there, then start identifying...techs’ financial books.  To find personnel salary ranges, go to online job information sites (like, indeed.com...

...nLightR (Kagiampaki et al., 2023).     Figure 1: Properties of nLightG and nLightR. A, Structural ...Article 6. https://doi.org/10.1038/s41592-022-01488-1 More resources on the Addgene blog Fluorescent proteins...generating variants with improved affinity and dynamic range of both nLightG and nLightR, and may soon have a...

...following three strategies might help!     Figure 1: Species on species staining can be a problem because...same host species as your secondary antibody since 1) your secondary should not recognize Fab fragments...References and Resources References Goodpaster T, Randolph-Habecker J (2013). A Flexible Mouse-On-Mouse Immunohistochemical...

...the journal-specific guidelines.  Peer-review step 1: The first read At the first read of the paper, I ...group of Prof. Mark Tester, where she focuses on (1) salt-induced changes in root-to-shoot ratio in Arabidopsis... discipline and reduces the dissemination of unwarranted claims or unacceptable interpretations. A good...studying plant development and abiotic stress tolerance, I have been peer-reviewing journal submissions...

... by PCR has error rates that range from roughly 1 per 500bp to roughly 1 per 10 million bp depending on...chance for mis-priming, so you can use a pretty wide range of annealing temperatures, but you may need to increase...

...sequences are inserted into the genome. Figure 1: Self-excising cassette schematic from Dickinson et...):1028-34. doi: 10.1038/nmeth.2641. Epub 2013 Sep 1. PubMed. Find plasmids from this publication at ...can generate a fluorescent protein fusion, transcriptional reporter, and loss-of-function allele in just...markers. Bob Goldstein’s lab previously used a transgene selection strategy for their C. elegans/CRISPR...

...those ideas and build from those.   Figure 1: Virtual lab meeting? No problem! You can still creatively... on it – so it is important to take breaks. After 1 hour (or another designated time) of meeting, someone... creativity are pivotal in writing publications/grants too. As described by several works (Wuchty et al...and do a quick break to chat. This can be done randomly or manually assigning which participants to group...

...Hsp70, the heat shock releases heat shock factor 1 (HSF-1), which subsequently binds to heat shock elements... polymerase and transcription factors. Since the promoter region drives transcription of a target gene...promoter to induce transcription of the phage repressor cI. Repressor cI inhibits transcription from phage promoter...lag time due to the time needed for transcription/translation. Many thanks to Nicole Zurcher who contributed... the promoter, turning it ON and initiating transcription.     Negative inducible In the OFF state, the...a bound repressor protein actively prevents transcription. Once an inducer binds the repressor protein...the DNA. With the repressor protein absent, transcription is turned ON. Types of inducible promoters Chemical...

...sticks out and can be considered a linker (figure 1). In fact, for several FRET biosensors (yellow cameleon...fluorescent protein are relatively close together (figure 1). Where should the fluorescent protein be inserted...fluorescent protein database." Nature methods (2019): 1. PubMed PMID: 30886412. Mastop, Marieke, et al. "A...et al., 2018). Unbiased, random insertions can be generated with a transposon-based strategy (Sheridan...fluorescent fusion proteins: random insertion of GFP with an in vitro transposition reaction." BMC neuroscience... This type of interference is known as steric hindrance. For instance, GFP may occlude catalytic sites...sites or motifs that are necessary for post-translational modifications. Despite these potential issues...

...blotting, named for its inventor Edward M. Southern (1), can be used to detect DNA identity, size, and abundance...hours at low cost with restriction mapping (Figure 1). Though some labs may prefer to send DNA directly... serotonergic system and behavior.     References 1. Southern, Edwin Mellor. "Detection of specific sequences...into smaller pieces, run on a gel, and transferred to a membrane for analysis through hybridization of ...researchers generating transgenic animals may choose Southern blotting to screen founder transgenic animals for ...techniques used to generate transgenic mouse lines, such as BAC transgenic or traditional knockins/knockouts... control sample. Southern blotting applications range from confirming the results of cloning or knockout...

... There are two methods of neuronal tracing (Fig. 1): one to visualize neurons that send information to...significantly updated in 2023 by Jason Nasse.  References 1. Tervo, D. Gowanlock R., et al. "A designer AAV variant...neurons! Neurons are really cool because they can transmit information, for example, from one of the 180 ...associated virus (AAV) shows relatively low retrograde transport efficiency in most serotypes. Some viruses (e....e.g., rabies) naturally exhibit retrograde transport and can therefore perform retrograde tracing, but...efficiently infects neurons, directs high-level transgene expression, and has retrograde functionality to...genetically controlled function. By using AAVrg in Cre transgenic mouse lines, you can access and manipulate an...

...refreshed figures made using BioRender.com. Figure 1: PRIME editing Please check out the updated guide... to use CRISPR plasmids in the lab and the vast range of possibilities at their disposal. With this update...CRISPR’s ability to make large genome edits using transposases or the Cascade-Cas3 system. We also describe...

...restriction digest and colony PCR.   Fig. 1: (A) Schematic of cloning, expression and validation... doi: 10.1371/journal.pone.0038313. Epub 2012 Jun 1. PMID: 22675541; PMCID: PMC3365890....-mAbs. It was recognized that an aberrant IgG light chain transcript was expressed by some of the hybridomas...heavy (blue) chains as driven by two CMV promoters (orange). Figure from Andrews, et. al., Elife  A limitation...IF-ICC.) This method was chosen because cells transfected with a plasmid to express the target antigen ...the restriction enzyme BciVI was present in the aberrant light chain sequence, but was predicted to occur...express multiple subclasses of IgG antibody. Broad range secondary antibodies are commonly used in research...

...research like metabolism. Transport, biofilms, and much more. Because of it’s BSL-1 status, E. coli can be...oxygen. Additionally, its status as a Biosafety Level 1 microbe makes it a perfect candidate for introductory...with superior performance. Nature Communications, 9(1). https://doi.org/10.1038/s41467-018-04899-x Yokoyama...plasmids for use in CRISPR and Tol2 transposase induced transgenesis.  Xenopus Xenopus, or frogs, are one...have created molecular biology tools to generate transgenic axolotls for an array of different studies. Elly...popular tools for studying frogs include egg transplants and microinjections. Injections of mRNAs, for...Arabidopsis. There are also important tips for plant transformations and the use of Arabidopsis in the classroom...