We narrowed to 548 results for: cat.2

... engineered components, like protein tags (Figure 2). Through the work of many groups, there are systems... in Addgene's repository (Table 1). Figure 2: Adding function to My Favorite Protein (MFP) through...peptide (SpyTag) and protein (SpyCatcher) SnoopTag/SnoopCatcher SpyTag/SpyCatcher Rapid covalent bond formation...small, fast split intein SpyTag003/SpyCatcher003 SpyTag/SpyCatcher Rapid covalent bond formation between...SnoopTag) and protein (SnoopCatcher); no cross-reaction with SpyTag/SpyCatcher, allows for iterative expansion... expansion DogTag/DogCatcher SpyTag/SpyCatcher Rapid covalent bond formation between a genetically encoded...protein (DogCatcher); ideal for protein loop regions CRISPaint Gene Tagging Kit SpyTag/SpyCatcher CRISPR-assisted...

...The groups in these programs typically consist of 1-2 mentors and 3-5 mentees who meet together for an 8... together. If you all work at the same place, a 1-2 hour lunch on a regular schedule might work. If not...This is a chance to practice leadership and communication skills. The leader also provides materials such...

...that increase cancelled. Rounding out the remainder, 2% of postdocs who weren’t going to get a salary increase...with their plans, and 17 have cancelled their plans. 2 of those raising - the University of Illinois and ...days prior to the implementation date, our data indicated that, while 69% of all postdocs were expected ...sent, with the lack of transparency and poor communication of their plans (many postdocs - and in some ...to reach out to institutions with a statement indicating that we encourage them to keep raising salaries... little correlation with cost of living at the location of the institution. Continuing efforts to gather...Director of Future of Research. He is interested in advocating for and with junior scientists, to help them ...

...residues, which can be found throughout the antibody. 2) Endogenous cysteines, such as those that make up ...Detecting antigens by quantitative immuno-PCR. Nat Protoc 2:1918–1930. https://doi.org/10.1038/nprot.2007.267 ...These properties allow for efficient signal amplification, making biotin conjugated antibodies good options...especially if you start to consider clinical applications). But there are a few other classes that we ...proximity ligation, immuno-PCR, and single-cell applications (Hegazy, et al., 2020; Niemeyer, et al., 2007...also conjugate antibodies directly to beads for purification purposes.  Coupling up - antibody conjugation...added to antibodies post-translationally. 4) Modifications made to antibodies, such as inclusion of non-canonical...

... PMC4096992. Find plasmids from this publication at Addgene. 2. Tang, Jonathan C.Y., et al. “Cell type-specific...successfully regulated expression of channelrhodopsin-2, commonly used in optogenetics, opening up the possibility...repurpose popular GFP reporter lines for more sophisticated experimental manipulations, saving the time ..., 98% of TdTomato expressing cells were GFP+, indicating a robust, but specific system. T-DDOGs also successfully...systems are easily adaptable to neuroscience applications, including optogenetics, and they should make...Could Cas9-DOG be developed soon to allow genome modification only in a small subset of cells? Other proteins...PubMed PMID: 26258682. Find plasmids from this publication at Addgene. 3. Kirchhofer, A., et al. “Modulation...

...plasmid kit consists of 20 plasmids encoding 14 alpha, 2 beta, and 4 gamma subunits of the heterotrimeric G...activation via bioluminescence resonance energy transfer 2 (BRET2). Check out our blog post on GPCR signaling...constructed plasmids that can be used in peroxidase-catalyzed proximity labeling to quantifiably measure GPCR...In this technique, the receptor fused to APEX2 catalyzes the biotinylation of proteins near the GPCR. These...Multidimensional Tracking of GPCR Signaling via Peroxidase-Catalyzed Proximity Labeling. Cell 169:338-349.e11 . https...Kadowaki S, Haga T, Takaesu H, Mitaku S (2002) Identification of G protein-coupled receptor genes from the...

...linear fashion. This implies that reducing the power 2-fold does not reduce photobleaching by half. How exactly...prolonged time). Other illumination strategies, such as 2-photon-excitation, selective plane illumination, TIRF... localized fusion proteins and do not require dedicated plasmids or constructs. It should be noted that...reached at high power may not translate to real applications in which far less power is used. For example...insight into the photostability in the intended application (Goedhart et al, 2012). The third issue relates...Selecting a photostable protein The issues with quantification of photobleaching rates can be summarized as...

...11 and Cas13 are 1). non-specific RNA cleavage and 2). cell toxicity. Cas7-11 does not display collateral...Cpf1 is a single RNA-guided endonuclease of a class 2 CRISPR-Cas system. Cell, 163(3): 759-771 (2015). 10.1016...a defined site to form a clean DNA break, Cas3 locates its target sequence and initiates single stranded... out large regions of DNA and has anti-viral application potential as a result. Fast facts – PAM requirement... has been proposed to be useful for the same applications (RNA knockdown, RNA editing, etc.). The main...

...studies have shown that the conditions Sotos-type 2 and Marshall Smith Syndrome are due to mutations in...accurate diagnosis of NFIX-related syndromes (Sotos-type 2 and Marshall-Smith) and could be expanded to NFIA-...Rescue occurs through guanidinium cation (Gdm+) binding in the location formerly occupied by the Arg sidechain...

...more tips on using social media as a scientist here. 2) Public engagement - Participate in science festivals...science communication are as varied as the field itself. Among other things, science communication comprises...certain aspects of art and education. If you suspect that science communication might be for you, don’t ... science education Do you aim to reach young people? Try networking with your local education community... Training – Get a formal education Some people get into science communication by taking a media or journalism...project. Science communication opens doors Getting involved in science communication has been the most...career researcher looking to break into science communication? Everybody goes about this in their own way....

...excise themselves from one location and then insert somewhere else (Fig. 2). Class II TEs have LTRs on...on both of their ends.    Figure 2: Overview of DNA transposon transposition. Modified from Sandoval-Villegas...has four major components: 1) a CRISPR RNA (crRNA), 2) four proteins (TniQ, Cas8, Cas7, Cas6) that forms... It generally stays put, which makes it easy to locate in a genome. But there is a type of mobile DNA,... hyperactive and likes to jump around from one location in the genome to another. This jumping is what...most transposable elements (TEs) results in the duplication of this target site sequence at the site of insertion...This is similar to how retroviruses, like HIV, replicate. Class I TEs do not encode a transposase enzyme...

...this quick trick. Just flip, and press! Lab tip #2: Tube flick trick When combining reagents in the lab...With barcode tracking, you will always be able to locate materials quickly and easily. Learn more about ...Additional Resources on the Addgene Blog New Educational Resource: The Addgene Videos Page 5 Science Rap...

... anniversary! We've done so much in the past two (2!) decades that it's hard to summarize, but we wanted...easy tech transfer process to our website and educational resources. We've got twenty years of experience... you know you can search for plasmids from a publication by pasting the paper's title into the Addgene...

..., and the desired gene (transfer vector plasmid), 2) the HIV-1 genome containing all viral genes with ...protocols that have been described (protocol 1, protocol 2, protocol 3) to find the one that will give you the...PubMed PMID: 3785217. PubMed Central PMCID: PMC367857. 2. Naldini, Luigi, et al. "In vivo gene delivery and...mammalian cells often relied on chemical (CaCl2, cationic liposome) or electrical (electric current forming...particles and the virus particles produced could not replicate. However, Mother Nature found a way to re-create...packaging plasmid forming a vector that could create replication competent virus. Even though this system was ...still a potential risk for the generation of replication competent lentiviruses (RCL) especially if you...

... follow the same general cyclical process (Figure 2). The differences typically come in when generating...starting point for the next cycle. Figure 2: General process of antibody directed evolution. Created...module_attribute "schema_version" is_json="true" %}{% raw %}2{% endraw %}{% end_module_attribute %}{% module_attribute...equipment on a lab bench. The best part? Less complicated math. Bioengineering is a field that has been... do we like it)? Antibody engineering is the modification of antibody sequences and structures to affect...extensively characterized and validated, with the application data from IPI and other labs easily viewed in...2021). Directed Evolution: Methodologies and applications. Chemical Reviews, 121(20), 12384–12444. https...

...handing them your application 3 days before the deadline isn’t going to be much use. 2. Originality is ... it’s important not to throw in the towel if 1 or 2 funding bodies say no. If possible, get feedback from...Series 4. Become a science communicator More and more fellowship applications are asking for a 200-300 ...good quality application. Even following this advice, only about 50% of my grant applications have been ...do need to be able to research and write your application, then give it to someone else to read and / or...it). It’s easy for reviewers to spot when an application is rushed (whether the idea isn’t properly researched...researched / developed or the application is full of typos) and these are unlikely to get past the initial...

... reduce the background staining (Table 2).      Table 2: Secondary antibody selections for a four-antibody...your experiment (all well validated for your application, of course!) When the stars are aligned and the...factors that affect isotype choice. Target and application should be considered The first question you may... a strong signal and to work in a variety of applications. The desired specificity of your secondary antibody...affect my experiment?” Well, it depends on the application and target. If you are running a basic western...target is expressed at very low levels or your application requires a high degree of affinity, then species...considered when choosing an antibody. In some applications probing species-on-species, i.e. using a mouse...

...FRET signal back again. The Ting lab constructed 2 versions of this reporter to target the K9 (pcDNA3... 525.7570 (2015): 533-537. PubMed PMID: 26352475. 2. Bygren, Lars O., et al. "Change in paternal grandmothers...Mechanisms of epigenetic modifications The main mechanism of epigenetic modification is chromatin remodeling...literally means ‘on top of the genome’). Epigenetic modifications can result in phenotypic changes without any...any change in genotype. Epigenetic modifications play a large role in turning genes ‘off’ and ‘on’, signaling...two main mechanisms, either through histone modifications, which can influence the transcription of genes...hypomethylation, on the other hand, has also been implicated in the development and progression of cancer ...

...and the Journal of Emerging Investigators. Chapter 2 - Getting high school students and teachers interested...Additional Resources from the Addgene Blog Find education resources Use our Plasmids 101 eBook to teach ...

...Hrit et al. 2018, Kaas et al. 2013). Figure 2: CRISPR TET-based epigenetic editing. In reality, ...approach for targeted DNA demethylation. Cell Discov 2, 16009. https://doi.org/10.1038/celldisc.2016.9.  ...approach (spoiler alert: it’s dCas9… with no modifications). Ready to get started?   Figure 1:... when DNMT1 methylates the genome during DNA replication, it doesn’t methylate sites blocked by dCas9....for dCas9 to interfere with DNMT1 even through replication. The dCas9 also needs to be removeable, otherwise...vivo using dCas9–peptide repeat and scFv–TET1 catalytic domain fusions. Nat Biotechnol 34, 1060–1065. ...