We narrowed to 794 results for: mpl

... models. In complex diseases, it can aid in generation of multiple edits or implementation of expression...change in pathology. If the disease pathology is complex, a model may be most effective. Once drug candidates... all diseases are fully characterized or have a simple pathology. In these cases, preliminary identification...made this control step extremely accessible. For example, let’s say you identified gene target X for BRCA-deficient...

...this biological lesson and created a system to amplify fluorescent signals. Named for the "stellar explosion... However, this system is far from perfect. For example, If your fusion protein is expressed at low levels...expressed from a separate plasmid. This system amplifies the intensity of the fluorescent signal and enables...chance of phototoxicity Reduced photobleaching Simplified, long-term single-molecule tracking Caveats ...et al. “A protein-tagging system for signal amplification in gene expression and fluorescence imaging....

...this can be accomplished with either a PAM-in or PAM-out orientation. Just as the names imply, PAM-out designs...Overview of Cas9 nickase We’ll use SpCas9 nickases as examples for this post. The D10A mutation inactivates the...site rather than the optimal <10 nt distance. Employing two gRNA sites that are further away from the ...mutation site. Quick tips for nickase design Ready to employ nickases for your next CRISPR experiments? Here...

...resolution as receptors can be turned on and off simply with the presence or absence of the correct wavelength...increasingly faster kinetics. The opsin ChETA, for example, is a ChR2 opsin mutated to have faster off kinetics...studies, however, require a permanent intracranial implant to be surgically installed to allow for light delivery...flexible as it relies on designer ligands that can be simply introduced by injection. The main challenge in ...Invasiveness Mice require permanent intracranial implant Noninvasive Controlling Stimulation ExogenousEasily...

... last step will influence the stability of your sample over time and determine which experiments you can...most common E. coli strains used for plasmid amplification are endA negative, meaning the gene has been... impact the time you will be able to store your sample without having substantial degradation and which... DNA, it will limit what you can do with these samples. This is because divalent cations are essential...reaction, an effective possibility is to dilute your sample in water to reduce the EDTA concentration. Alternatively...

...medium containing the corresponding antibiotic. For example, if the DNA you’re inserting into the plasmid backbone...an essential amino acid), and a plasmid that complements the auxotrophy (i.e., synthesizes the critical... resistance spontaneously arises in yeast. For example, Markus Ralser’s lab created a yeast prototrophy...prototrophy kit containing 23 plasmids to complement auxotrophy. Negative selection: Cells that have lost a specific... gene. SacB can be used similarly to CcdB. For example, in the gene expression plasmid pGTvL1-SGC from...

...method kills the transgene free individual. For example, with CRISPR-Cas9 gene editing, transformation ...GUS staining or are not suited to studying large samples. RUBY-Red But recently, something new has been ... events and am currently planning to use it to simplify my work with an Arabidopsis mutant that can’t ...unfamiliar with these mutant plants. Using RUBY to simplify the identification of these mutants will speed...Other innovative uses of RUBY are possible, for example as positive selection of transformed plants to ...

... sequencing and RNA sequencing of complex heterogeneous RNA samples. Furthermore, such high processivity...fields of biology and enable the conversion of RNA templates to DNA but suffer from several important shortcomings...probability of the polymerase continuing to copy the template rather than dissociating).  MarathonRT, isolated...structured HCV genome (~9.6 kb of highly structured template!). MarathonRT also faithfully transcribes RNA ...

...until you don't, of trying to understand your completely unexpected findings, or understanding why your...thrice-failed experiment, this paper was actually from a completely unexpected finding in a different experiment,...your conflict, you’ll need two other things to complete your story: an introduction, and a resolution.... big-picture problem, by asking your audience a simple question, like “Have you ever thought about how...conflict to get your audience invested in the more complex story, and then build on that in your resolution...

... learning behavioral optogenetics in order to implement the technique in my lab at The Rockefeller University...physiology in order to directly show that, for example, the firing of a specific type of neuron in a specific...too but that’s what collaborators are for). For example, if you study neural pathways involved in addiction... proper controls are required and include, for example, confirmation of opsin expression in the intended...region you wish to stimulate 2) Fabrication and implantation of the optical fiber into the region of interest...you may need to allow the virus to express. For example, if you inject into the ventral tegmental area ...

...to target cells as a pooled library, which will amplify each TF to determine how its presence influences...processes. For help with library transformation and amplification, refer to the Zhang lab’s previously published...the specific dysregulation in the disease. For example, very few diseases manifest as a single mutation...expression dysregulation event. Diseases are often complex, with multiple layers of dysregulation from either...Addgene.org Plasmid Pooled Libraries Pooled library amplification Zhang Lab CRISPR Plasmids The Human TFome Library...

...the Gal4/UAS system. This incredibly useful, yet simple system allows you to systematically study gene ...downstream of a tissue-specific promoter sounds simpler, this modular system saves you from having to create... making a fly line in the next blog post). For example, the hedgehog gene can be overexpressed in several...under the control of UAS enhancer sequences. For example, if you discovered five new genes and wanted to...control purposes that there are dosage effects. For example, overexpression of two genes by one Gal4 driver...

...Table 1 provides an example calculation of the weights. Table 1: Journal Weighting Example Article Number...However, determining this exactly is difficult. For example, it is very plausible that science published in...research our adjustment controls for them.   So, for example, in 2010, 10 percent of the papers with Addgene...factors that could still be controlled for. As an example, plasmid-related areas of science could be growing...

... bulk of which you can find below. CRISPR for complex genetic diseases As CRISPR technology becomes increasingly...using it to investigate potential therapeutics for complex genetic diseases. So we’re revisiting this post...look at CRISPR’s potential for use in treating a complex genetic diseases, Alzhiemer’s disease (AD).  Troy...diseases with real phenotypic effect.” “It’s a very simple technology,” Doudna further explained. “That’s ...Gene Therapy: Applications, Limitations, and Implications for the Future.” Front. Oncol. https://doi.org...

...equivalent of crossing off days on the calendar after completing your writing goal, which can serve as positive...graph of which days of the week you most often completed your habit is useful for figuring out when to ...makes suggestions on how to make your writing less complex. While I don’t think you should accept all of the...jargon in your writing. While it’s not possible to completely avoid jargon, this tool can help you avoid overusing...tools for grad school Hello PhD Podcast episode 15 "Simple tricks for time management: the pomodoro technique...

...cellular level. The reason for this is cost and complexity – anyone who works in the lab knows how expensive...expensive tiny amounts of reagents are, how complicated (and again, expensive) the different machines are...students to use in the classroom because the students simply need to add water to express a variety of proteins... engaging for students. In our BioBits kit for example, we’ve designed FD-CF experiments that result in...Addgene.org Browse our protocol videos to learn simple lab techniques Check out our molecular biology ...

...accelerating research into this virus. One such example is cell lines. The American Type Culture Collection...global endeavor. Case study 2: Plasmids Another example of reagents that have broad applications but have...dozens of times in 2 weeks. This is a striking example of the contributions that scientists are able to...popularity of the hACE2 transgenic mouse strain, for example, is sustained by the availability of this strain...damage profiling of SARS-CoV-2 and SARS-CoV with implications for clinical manifestations, transmissibility...

...take-out) or volunteering to foster a pet, for example. If you are looking for some resources specific...activities that kids can do more independently. For example, they could do something like puzzling or crafts... time.  Find learning activities for kids. For example, Skype a Scientist is now open to families at home... future experiments and other researchers by implementing reproducibility best practices in your research...helpful to you no matter what you’re trying to accomplish during this period. ...

...require authors to use specific PID formats. For example, several journals like eLife, Nature, and Cell ...as Identifiers.org and N2T.net. To help authors comply with journal policies, Addgene now provides an ...these PID formats are new to you, we’ll go through examples to highlight the difference between them using...identifier and RRID formats. Let’s go back to our example plasmid, lenti-Cas9-VQR-Blast. If you scroll down...multiple PIDs separated by semi-colons. For our example plasmid it will read “lenti-Cas9-VQR-Blast was ...

...make socially distanced work more creative. An example could be making lab meetings more interactive and...and brainstorm! Image from Joseph Mucira.   Implement new tools for creative interaction During Zoom...disappears from the video, and prepares a coffee, or simply moves away from the desk to switch off a few minutes...GA, O’Reilly CM, Lofton ME, Catalán N (2018) Ten simple rules for collaboratively writing a multi-authored...journal.pcbi.1006508 Vicens Q, Bourne PE (2007) Ten Simple Rules for a Successful Collaboration. PLoS Comput...