We narrowed to 611 results for: RAN-1

...impacts of neural circuits on behavior. Figure 1: An overview of the chemogenetics system. Why use...approved drugs so that your results are viable for translation to human patients. Picking receptors The receptor... specifically designed Gi-coupled receptor in transgenic mice. Nature Biotechnology 17:165–169 . https...

...plasmids are passed down through generations (Figure 1). These so called “plasmid addiction systems” require...required for hok translation. Here, Mok and Hok translation is coupled. Translation from the Shine-Dalgarno...more stable than the methyltransferase. When a plasmid is lost, the methyltransferase is degraded and/or...systems have been used as biological tools for a wide range of applications in molecular biology or in vivo ...ccdB gene die off and a higher percentage of transformants contain the ccdB-less construct. Other toxin-antitoxin...composed of restriction endonucleases and methyltransferases. Restriction endonucleases cleave DNA at ...specific nucleotide sequences. To counter this, methyltransferases add methyl groups to bases at specific nucleotide...

... education and scientific writing.     References 1. Martz, Colin A., et al. "Systematic identification...’s group at the University of California, San Francisco, is approaching the Ras problem by exploiting ...lines. Further, for each plasmid in the kit, the transcript most commonly found across all TCGA tumor samples...

...such as model systems and primary cells. References 1. Doench, John G., et al. "Rational design of highly...prevent efficient transcription from sgRNA targets. CRISPRi is effective in a narrow range around the transcription...two sets of sgRNAs; A, the top 3 ranked sgRNAs, and B, the next 3 ranked sgRNAs. Dolcetto was able to discriminate...Cas9 derivatives. Unmodified Cas9 causes double stranded DNA breaks that commonly result in a complete ... lab selected sgRNAs in this optimal window and ranked them based on their optimized sgRNA rules and potential...gene expression, dCas9 can also be used for transcriptional activation. Activation of specific genes allows... strategies have been developed to recruit transcriptional machinery to dCas9 and its RNA directed binding...

...determine purity of the AAV preparation. Figure 1: Silver staining of purified and non-purified AAV ...of Pennsylvania Vector Core. Transfections are performed using the transfer plasmid, a plasmid encoding...PCR with primers targeting the transfer plasmid used in the transfection. PCR products are analyzed by ...cell cultures are inspected for sterility. Transducibility Some viral vectors are tested in vitro and ...images).     Figure 2: AAV Pro cells were transduced with either pAAV-Ef1a-mCherry-IRES-Cre (55634...filtration through a 0.45 µm polyethersulfone (PES) membrane. The preparations are then aliquoted, frozen, ...from Wang et al., 2018). Briefly, 293T cells are transduced with serial dilutions of a lentiviral vector,...

...antibiotic selection. Essentially, this gene is a 2-in-1 providing both bacterial and eukaryotic selection,...in a plasmid. During the propagation and/or transformation process, some bacteria will either never receive... is nifty because the recovery period after transformation (the dreaded 60 minutes shaking at 37 degrees... available, cost-effective, timesaving for transformations. Cons: Prone to satellite colony formation ..., interchangeable with Amp, timesaving for transformations. Con: Expensive.   Kanamycin Kanamycin, or...selection gene. However, it does require a slower transformation recovery period than amp or carb (60 minutes...confers mammalian resistance to G418. Con: Slow transformation   Spectinomycin/streptomycin Spectinomycin...

...sample’s absorption at 260 nm (A260). Figure 1: Characteristic absorption spectra for pure DNA and... that this simple procedure is often taken for granted. In this post, we take a moment to review what ...a characteristic absorption spectra across this range of wavelengths with maximal absorption at 260 nm...present in the sample also absorb light in this range of wavelengths (Figure 1B-D). These other molecules....  In common practice, a pure sample of double-stranded DNA should give an A260/280 ratio of ~1.8 and ...Proteins absorb light to varying degrees across the UV range used in NanoDrop systems. Peak absorption occurs...

... done and we’re onto the next story. Figure 1: Addgene’s Agile Approach Sharing is caring There...to be translated into Modern Greek to be easily accessible today. Roughly speaking, we translated our software...see these improvements, you are benefited with reassurance your plasmids will not get lost in a freezer ...Another advantage of Scrum is that it provides transparency to everyone involved about the status of each...accelerating research and discovery. We work with transparency, gladly share our knowledge, and love to collaborate...

... of low-toxicity RNA editing tools.   Fig. 1 Schematic of luciferase RNA knockdown assays using...PRIME, PASTE relies on single-stranded nicks instead of the double-stranded breaks used in other insertion...target. In addition, when they looked at the transformed E. coli expressing Cas7-11, they found no evidence...broadly similar to shRNA and Cas13 systems in a range of mammalian cell lines. However, in those same ... of landing sites via Cas9-directed reverse transcriptases, followed bylanding site recognition and integration...

...processed since the declaration, only a small fraction (<1%) of authors have asked for advice about the scope...supporting datasets must be logically annotated and arranged, as in an actual publication and not require interaction...responsible for storage.  If datasets are too large to transfer to a journal repository, they are likely too large...albeit unintentional, tendency to work against transparency. This opens science to charges of elitism and...opportunities for research as well as increasing transparency. Thank you to our guest blogger! Jim Woodgett...Will Pay for Public Access to Research Data? - by Francine Berman and Vint Cerf (Science, August 2013) PLOS...

...fun together! Laura’s Top 10 Event Planning Tips! 1. Take suggestions Some of Addgene’s best events have... elaborately pranking each other, dressing in costume, and holding competitions (ranging from cook-offs...orderly and timely fashion. 9. Ask for help My grandma used the old adage “many hands make light work”..., evite, posters, megaphone, or your company’s intranet. Don’t forget about the power of simple word of...

...References 1. Haery, Leila, Ryan C. Thompson, and Thomas D. Gilmore. "Histone acetyltransferases and histone...popular papers, but looked for papers from a wide range of authors. Just start writing When I first started...drafts of the manuscript. This is the time to transform the document into something cohesive-- change ...Tips for Improving Your Next Manuscript 6 Tips for Grant Writing Resources on Addgene.org Check out Our...

...antibody bonding strengths.    . Steps of an IP: 1) Protein extracts from cells or tissues contain a ... protein of interest, such as a sample transiently transfected or stably infected with the protein of ...downregulated, examine a protein’s stability or post-translational modifications, or study how a target protein...experiments using a tagged protein may not be translatable to the endogenous system and will need to be...

... reached labs in over 75 countries. Figure 1: SARS-CoV-2 proteins and other components. Image from...loop-mediated isothermal amplification after reverse transcription (RT-LAMP) and a colorimetric readout that can... 45 minutes. The team deposited the reverse transcriptase, protease, and Bst polymerase constructs from...toolkit include ones for expressing MMLV reverse transcriptase and Taq polymerase that can be used in a one-step...

...two (Knutson et al., 2010a,b).      Fig. 1: Undergraduates in Provost’s CURE prepare to analyze...). But is it possible to bring the kinds of transformative educational experiences afforded to those fortunate... now connects MDH-focused CUREs at 50 schools, ranging from R1 institutions to community colleges, and...NADH production.   CUREs are beginning to transform undergraduate education in the sciences by making...

...commandments for making it all work – most of the time. #1 Thou shalt find enjoyment in your work If you are ...responsibilities. Another tip: don’t miss your grandfather’s 100th birthday, as your mom will never forgive...when you can’t get home, babysitting or running errands. Give help when you have time, and in return you...decent meal, fold their laundry, take public transportation, call a cab and remember their own school assignments...

...for your first journal club to begin! Figure 1: Discussing next-generation sequencing at the Addgene...of current new and exciting literature. As I transitioned out of academia and away from the bench I certainly...

...can make this fun activity relate to STEM.” Figure 1 shows the activities we had for my school’s Math &...olds in a single evening. Grades K-5 cover a broad range of attention spans, skill levels, and STEM exposure...aspects of talking to 8th graders was the broad range of questions I received. I gave my presentation ...

...blood test for HMGB1, the high mobility group box 1 protein. Normally localized to the nucleus, if the...of diagnosis) is about 35 years, but it usually ranges from 20-50 years and sometimes longer. There is...be Used to Study Cancer Drug Resistance Plasmid Grant to Aid Cervical Cancer Screening in Ghana Additional...

...testing. You can find Nick on LinkedIn. References 1. Skloot, Rebecca, and Bahni Turpin. The immortal life...cell line contamination: Epithelial Mesenchymal Transition Is Required for Acquisition of Anoikis Resistance... to carry our independent quality control for a range of testing, from animal doping to forensics, DNA...