We narrowed to 852 results for: Tat

.... While certain cell types, such as principal excitatory cells and glia, have been successfully targeted...researcher’s locus of interest. NHEJ- or HDR-induced mutations in ATP1A1 can render cells resistant to the small...improves editing efficiency. Importantly, the point mutations created by Agudelo et al. prevent ouabain binding...DNA molecular weight markers The Tan lab at Penn State - set out to “rule” Molecular Biology. Under the...

...than indirect ones and can be used in highly quantitative assays. On the other hand, they are not as sensitive...stability Limited protein size range Tris-acetate 40–500 kDa Tris-tricine 150 V, 1–3 hours ...detection. Film also needs to be digitized for quantitative work — and with the advent of online lab notebooks...high-abundance single protein controls in semi-quantitative immunoblotting. Journal of Neuroscience Methods...

...this one mutated methionine was not enough to prevent alternative initiation, so they mutated the methionines...the target site (the same sequence you’d like to mutate in the genome) and an out-of-frame H2B (histone...

...megabase away, or looking at the histone methylation status at a double-strand break that needs repairing. ...start sharing your plasmids through Addgene, don’t hesitate to start the process! Addgene depositors who study...linked below are partially curated from the presentations and posters I saw at the 2018 Keystone Chromosome...

...promoters, which can be switched from an OFF to an ON state, and how you might use these in your research. When...negative control. Positive inducible In the OFF state, the promoter is inactive because the activator ...transcription.     Negative inducible In the OFF state, the promoter is inactive because a bound repressor...

...to neuroscience prior to this conference was a rotation in Qiao Zhou’s lab in graduate school where I ...neuroscience and you don’t have a background in statistics and programming, you’d be wise to start working...and brain monitors. Walking around the poster presentation area, I honed in on projects using biological...

...long sequences with reduced risks of unwanted mutations in mammalian cells. Long sequences traditionally...traditionally have higher risks of off-target mutations. These plasmids contain catalytically inactive dCas9 and...challenge due to multiple factors, including limitations of number of flourescent proteins that can be...

...Chromatin immunoprecipitation (ChIP) is an extremely useful technique that provides insight into protein...to counteract the effects of increased sample agitation; a shorter sonication time could be an opportunity...resources on Addgene’s blog Antibodies 101: Immunoprecipitation  Antibodies 101: Polyclonal Antibodies Antibodies...

...Cas12a for multiplexed gene perturbation The Penn State Protein Ladder Engineered miniature CRISPR-Cas system...2021. doi: 10.1038/s41587-020-0600-6. The Penn State Protein Ladder  by: Rachel Leeson This simple, inexpensive...expression and purification. Figure 3: The Penn State Ladder run on SDS-Page gels. A: individually expressed...

... efficient. Pro-Tip Make sure to reverse the orientation of the crRNA’s direct repeats when expressing...preventing packaging of the virus.  Reversing the orientation of the direct repeat protects the (+) stranded...cells, but notice how Zetsche et al reverses the orientation of the promoter driving expression of the crRNA...

...there is a classification system, CasID, to help facilitate direct comparison of different enzymes. CasPEDIA... their sequence (NGG, etc.) as well as their orientation relative to the gRNA (5’ or 3’). In some cases...would be helpful to know for viral packaging limitations. Maybe you want to read literature on the less...

...proteins. On the other hand, they don’t require an excitation light source (usually a laser in fluorescence...to a nearby fluorophore, which emits light. No excitation illumination needed — just the luminescent substrate... proteins to be visualized simultaneously. Complementation systems for examining protein-protein interactions...

...to overexpress endogenous RNAi pathways. These mutations however can interfere with other genetic pathways...enzymes that overcome both the speed and toxicity limitations of APEX2 and BioID. In the Ting Lab’s recent ...proteome contains a breadth of modular domains that facilitate protein-protein interactions and mediate biochemical...

... control the abundance of proteins in cells. Homeostatic regulation of protein abundance is essential ...Alternatively, fluorescent protein tags can be used to facilitate the visualization of specific proteins in cells...proteins in situ. Now FUNCAT-PLA provides both quantitative and spatio-temporal information about the turnover...

...assay for a native (folded) protein, such as immunoprecipitation, the epitope may not be accessible for binding... down in a variety of ways. First, review the citations. An antibody that has been cited thousands of ...antibody to that of the anti-tag antibody; and immunoprecipitation-mass spectrometry strategies that isolate...

... pathway of interest, but there can be a lot of static since other signaling networks can also be non-....” Dronpa’s color thus indicates MEK1’s current state (Green when off, dark when on). Figure 1: Photoswitchable...turn off psRaf1). After this, the phosphorylation status of MEK1/2 was tracked at 5 minute intervals via...

...complicating the interpretation. Because of this, these methods only give a qualitative view of dimerization...molecules based on size is ultracentrifugation. Sedimentation equilibrium analytical ultracentrifugation yields...

...for compliance. However, 10 days prior to the implementation date, our data indicated that, while 69% of...the lapsed mandate (or are being compelled at the state level, in the case of some public institutions) ...continuing to reach out to institutions with a statement indicating that we encourage them to keep raising...

...vector with half the size of the ssAAV genome has a mutation in the terminal resolution site (TRS) to form ...genome with wild-type ITRs at the both ends and mutated ITR at the center of symmetry. After uncoating ..."Development and optimization of a real-time quantitative PCR-based method for the titration of AAV-2 ...

...altering gut microbiome members in their native habitat (Ronda et al., 2019). They called their method ...the addition of standards, the assay is semi-quantitative and can approximate mRNA concentration within...infection, dysbiosis, and antibiotic treatment. To facilitate these studies, Pamela Silver’s lab developed ...