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...been transformed. But caution: check for GUS-like activity of your tissue. Run a control with Agrobacterium...gene since plants can have endogenous GUS-like activity (Hu et al., 1990). We commonly use pSB161 - pL2...therefore good temporal reporters to measure promoter activity, for example. Useful positive controls could include...115. Hu, Ching-yeh, et al. "Intrinsic GUS-like activities in seed plants." Plant cell reports 9.1 (1990...

...a little more complicated since basal neuronal activity in your brain region of interest could be low ...21716290. Pubmed Central PMCID: PMC3775282. 2. McDevitt, Ross A., et al. "Serotonergic versus nonserotonergic...PMC3150193. 8.Han, Xue, et al. "A high-light sensitivity optical neural silencer: development and application...M., et al. "Optogenetic manipulation of neural activity in freely moving Caenorhabditis elegans." Nature...

... of any of these phosphorylation events on the activity of a given protein? Classical methods for studying...non-phosphorylated recombinant protein and perform in vitro kinase reactions. Often, however, researchers lack...or have difficulties with kinase specificity in vitro. The establishment of a system in which purified...pSer/phosphomimetic dual mutant) elevated kinase activity over 70-fold over dual phosphomimetic mutation...

...most popular red fluorescent proteins just got a longevity boost! mScarlet3 is the brightest red fluorescent...updated gRNA design models, to balance on-target activity with off-target effects to select only the most...variations in the tracrRNA sequence improves sgRNA activity predictions for CRISPR screening. Nature Communications...  Figure 6: To test family-wide cross reactivity, ExpiCHO cells were transfected with human and...

...virus type 1 integrase mutants retain in vitro integrase activity yet fail to integrate viral DNA efficiently...investigating HIV integrase mutants in the early 1990s (Leavitt et al., 1996), and since then, numerous variants...PMID: 18688286 PubMed Central PMCID: PMC2496964 Leavitt, A. D., Robles, G., Alesandro, N., & Varmus, H....

...infect non-dividing cells is not restricted to in vitro cell culture as lentivirus-derived vectors are capable...promoter of the 5’LTR has been deleted to reduce its activity. A CMV or an EF1α promoter has been inserted in...have to be aware that there is often  background activity and it requires continuous administration of Dox...GFP encoded virus, and the reverse transcriptase activity assay uses qPCR to quantify viral RNA. All of ...

... Cas9 activity in my stable A549 cell pools. Using this virus, it’s expected that Cas9 activity, guided...Cas9 (see tip 2). Pro-Tips 1. To quantify Cas9 activity using this assay, you really need to use FACS ...described in Optimized sgRNA design to maximize activity and minimize off-target effects of CRISPR-Cas9...

...Griesbeck, Heim, & Tsien, 1999), monitoring kinase activity (Ni, Titov, & Zhang, 2006), quantifying antibody...structural changes due to this bulky insertion are inevitable. Most FP fusions for FRET studies are at the ...commercially available as Lumio Green and Lumio Red from Invitrogen (now ThermoFisher Scientific). These reagents...strategies. FRET experimental design lends itself to creativity and innovation, valuable commodities in any NIH...

...these. Addgenies have been organizing Halloween festivities for years – searching our photo archives I found...bragging rights for the next 12 months. Your team’s creativity, cleverness, and crafting skills have surpassed...tribute to the changing seasons – and they also invited Father Time to the party. They won over our judges...

...annual Deck the Lab competition drew upon the creativity of the community, who delivered impressive science-themed...In third place is Matthijs Dorst’s Deck the Lab Nativity scene below his Christmas tree! It is that time...up at home!This year with a #DeckTheLab themed nativity scene, courtesy of our house pets.. 😁 pic.twitter.com...

...developed a platform called SHERLOCK (specific high-sensitivity enzymatic reporter unlocking) to detect single...further to provide multiplexed detection, higher sensitivity, and more. Read the paper in Science Find...dual-nuclease Cas9-Cas9 chimeras with higher target site activity and more predictable and precise deletion products...

... other projects, using stem cells to develop in vitro models for lung disease. Darrell strives to promote...reliable projects. Chapter 9: Using stem cells as in-vitro models of disease. How Darrell is using stem cells...reagents, cell lines, data, and knowledge without exclusivity. Chapter 11: The Stem Cell Bank (CReM Bank) at...

... a colorful makeover Even without its nuclease activity, catalytically dead Cas9 (dCas9) has many applications... Another caveat of the study is the method’s sensitivity. The authors estimate that a minimum of 150-200...necessary for a detectable signal, limiting the sensitivity of the technique. One potential solution is SunTag...

...can we shape our time in academia to maximize productivity and success? We asked leading professors for...suggest that you make time for extracurricular activities both to develop new skills and to discover what...about the benefits of pursuing extracurricular activities. Success evolves from passion True success evolves...

...substrate OR production of a product OR enzyme activity. Small molecule biosensors Addgene has many sensors...constructs are often used to monitor enzymatic activity or phosphorylation over time. You can also use...plate well). Use to track a process (e.g. enzyme activity) over time or under various conditions Localization...

...include fairground rides and other fun activities and even invite members of the public to attend. We thought...aim to support events and scientific community activities throughout Europe and the world. So get in touch...

...available allowing you to chemically control neuronal activity while studying your phenotype of interest. Optogenetic...Optogenetic tools for similarly controlling neuronal activity with light will be available soon. We’re also ...sharing will only help research advance. Remember: productivity is infectious!  Additional Resources on the...

...purity or infectivity of the final viral preparation. Through sugar detection assays, in vitro transduction...show that there is no difference in purity or infectivity between the untreated and sucrose treated viral...

...several important shortcomings including low processivity (ie. the probability of the polymerase continuing...heterogeneous RNA samples. Furthermore, such high processivity enzymes and the structural understanding thereof...to existing technologies based on polymerase processivity. Please find the MarathonRT plasmid here! Zhao...

...resource list available from this post. Use an activity to start a discussion. The Forced Choice Analysis... can use it to clarify and discuss values. The activity is just the start – it is the discussion after...mentoring blog posts, the "Forced Choice Analysis Activity", the "Peer Mentor Groups Guide", "Tips for Choosing...