We narrowed to 548 results for: cat.2

...improving editing accuracy by preventing re-editing and (2) optimizing “cut-to-mutation distance”. Furthermore...also takes into account that HDR is rare, usually 2-5% of the edited cells in our hands, these combined...screen a few hundred clones to find the right one Step 2 – Edit the cells a second time using a repair template...Additional CRISPR Resources on Addgene's CRISPR Guide Page 2. Optimizing "cut-to-mutation distance"  Even though... wisely (and let them cut close).   Figure 2: Relationship between cut site to mutation distance...PMID: 23287718. PubMed Central PMCID: PMC3795411. 2. Mali, Prashant, et al. "RNA-guided human genome engineering...many cell types and often results in biallelic modifications. Most commonly, DSBs are repaired by the nonhomologous...

...question: C2c1, C2c2 and C2c3 (short for Class 2, candidate 1, 2, or 3). C2c1 and C2c3 are related to Cpf1,...however cutting efficiency of Cas13a is reduced when 2 mismatches are present. The protospacer flanking sequence...PMC5127784. Find plasmids from this paper at Addgene. 2. East-Seletsky, Alexandra, et al. "Two distinct RNase... and functional characterization of diverse class 2 CRISPR-Cas systems." Molecular cell 60.3 (2015): 385...use, functional in most species, and has many applications. That said, SpCas9 is not the only game in town... makes this molecule unique, and the various applications of Cas13a. The origins of Cas13a: An RNA cleaving...53 potential candidate genes that fell into 3 categories based on the architecture of the CRISPR protein...

...kinetics which are illustrated in figures 2 and 3.  Figure 2: Glutamate titration curves for the different...signals upon sensing glutamate using both 1-photon and 2-photon imaging.   Figure 1: 1P and 2P excitation...adapted from Aggarwal et al…, Supplementary Figure 2.   Improved trafficking and localization through...Glutamate plays a variety of roles in synaptic communication and can trigger other forms of neuronal signaling...SF-Venus-iGluSnFR). iGluSnFR3: Improved Glutamate Indicators for Synaptic Imaging However, the first two generations... 30377363 Aggarwal, Abhi, et al. . “Glutamate indicators with improved activation kinetics and localiation...

...observed one complication in the China data – there is a period of 1 month, from 1/22/20–2/23/20, where...Each paper has between 1–32 plasmids and a total of 2–2,590 requests. We received plasmid requests from ...observed between Jan. 1 and Mar. 1, 2020. Figure 2: A simple approximation of the effect of COVID-19 ...there were zero plasmid requests. Afterwards, from 2/24/20–3/15/20 (the supposed end of lockdown), request...However, it is evident that if we believe that 1/22/20–2/23/20 are the more accurate dates of lockdown in China...subfields.  Plasmid requests correlate with paper publication The dataset includes 11,426 plasmid requests ...14%). Spikes in plasmid requests correspond to publications of popular papers. Figure 1: Plasmid requests...

...Citorik Plasmids here). In both cases, they used 1-2 CRISPR crRNAs targeting sequences found only in certain...resensitize antibiotic-resistant bacteria (Figure 2). The first phage introduced is lysogenic, integrating...machinery targeting 1) the given resistance gene and 2) a second lytic phage. Bacteria that receive this ...bacteria have previously flourished.   Figure 2: Two-phage strategies to resensitize bacteria to antibiotics...237163. Find plasmids from this paper at Addgene. 2. Bikard, David, et al. “Exploiting CRISPR-Cas nucleases...containing a phage origin of replication that can be packaged into replication-incompetent phage particles...essential processes: cell wall synthesis, DNA replication, or protein synthesis. Because they target such...

...downstream applications. The tradeoffs between various cloning methods are listed in Table 2. For example... TagBFP 399nm/ 456nm histone 2B (H2B) Chromatin 2 Cerulean 433nm/ 475nm Lyn-tag (derived from the tyrosine-protein...based (chaining-based) cloning. The modules (Figure 2) are contained in individual plasmids and are each...suitable for combining endogenous sequences. Table 2: High Throughput Cloning Strategies Method Technology...PMID: 20205762. PubMed Central PMCID: PMC2822740. 2. Engler C, Kandzia R, Marillonnet S. A one pot, one...develop diverse fluorescent reporters is a useful application of high-throughput cloning. MXS Chaining is one...plasmids for fluorescence imaging or flow cytometry applications in mammalian cells. The modules used in this...

...Currently available from the Kim lab are 2 presynaptic and 2 postsynaptic targeting mGRASP plasmids. Additionally...vector and gene primers from Table 2 of the associated publication which contain regions of sequence homology... cells were pulsed with 2µg/ml of Doxycycline for 2 hours, and imaged on the Keyence BZ-9000 fluorescence...work! Robinson et al., Dev Cell 2010 Feb 16;18(2):324-31. Cheeseman et al., J Cell Sci 2013 May 1...promotes the formation of an isopeptide bond between 2 peptide tags, SpyTag and KTag. The group demonstrated... of three sets of cloning vectors (Level 0, 1, or 2) which can be utilized in three successive assembly...1 modules can be similarly assembled into a Level 2 vector, thus forming a functional genetic circuit....

...industrial strain. Not only is MUCICAT better, it is faster. Using MUCICAT only needs 2 newly constructed plasmids... transformation in 30 days. Figure 2: (A) MUCICAT plasmids for multicopy integration. (B) Anhydrotetracycline...plasmids are cured from the cell. Steps 1-1 and 1-2 can be done simultaneously. Image from Li et al., ...1) replaced the promoter of gRNA-pMB1 with PrhaB, 2) changed the replicon of pCas into a non-temperature-sensitive... pEcCas/pEcgRNA system in 4 E. coli K-12 strains, 2 E. coli B strains, 1 E. coli W strain, and 1 Tatumella...far, we’ve used the MUCICAT system in two ways: In our initial paper, we used MUCICAT to optimize the gene...integration using CRISPR-associated transposases” or MUCICAT. Here, we’ll describe each of these CRISPR systems...

...either SARS-CoV-2, Adenovirus type 41 (AdV-41), or Adenovirus-Associated Virus type 2 (AAV2) – or some... was either 1) a physiological effect of SARS-CoV-2 toward destabilizing one’s natural immune response...response to Adenovirus (and/or to its partner, AAV) or 2) a sociological effect of the COVID-19 lockdowns causing...… Chiu, C. Y. (2023). Adeno-associated virus type 2 in US children with acute severe hepatitis. Nature...and late gene transcription) is demarcated by viral genome replication (Harrach, 2014). Given that the...encapsidate new virions) are not expressed. Note that replication-competent AdV vectors also exist and are used...the final topic, which is that natural AdVs, replication-competent viruses with a recombinant genome, ...

... this problem? (2-3 sentences) What will be the focus of your first grant? (1-2 sentences) ...The currency of scientific success is publications and grants. 2. Write succinct and easy to understand...consideration. 3. Present an easy to follow seminar See item 2. Attendees will include grad students (that are solicited...people would agree is important to understand. (1-2 sentences). For example: Distinguishing correctly ... do need multiple first/corresponding author publications in quality journals. It helps to come from the...humbling. My conviction that I had a flair for communication was rapidly dispelled. She would ask me, "Is...succinct. Slide decks leads to the opposite and can suffocate an exciting idea in a swamp of unnecessary details...

...of conventional gene targeting is lowered to about 2-3 months. But certain models remain more difficult...included in the final ssDNA template. Figure 2: Overview of ivTRT to generate an ssDNA repair template... floxed conditional allele requires you to target 2 loxP sites to intronic regions 0.5 - 0.8 kb apart....Typically, Easi-CRISPR works best with insertions of 2 kb or less. Luckily, most of the commonly used cassettes... induction systems (ttA or rtTA) are between 1 to 2 kb in length. There are plenty of Addgene plasmid ...create the ssDNA construct as described in Figure 2.  You can also use Addgene plasmids to purify Cas9... allele To design a knock-in allele at a given location, you’ll need to design only a single guide and...

...slash, that indicate the ITR and serotype, respectively. For example, AAV2/8 has a type 2 ITR and a type...type 8 serotype. Almost all vectors contain type 2 ITRs, which comes from the AAV2 serotype. Serotype ...differentiated, non-dividing cells.   Figure 2: DNA rescue and transduction of a conventional single-stranded...quantitative PCR-based method for the titration of AAV-2 vector stocks."Molecular Therapy 6.2 (2002): 272. ...experiments. Recombinant AAVs (rAAVs) The primary application of AAV is delivery of genetic cargo to a host...transduced gene is episomal and does not divide and replicate in the same way the host DNA does. Because of ... since you don’t have to wait for the host to replicate the DNA before expression. Now that you’ve got...

...United States Standard Occupational Classification System  and Wikipedia. 2. Social and computer scientists...international Twitter users were included in the dataset; 2) users not part of a scientific Twitter list were ...scientists on Twitter are male and 40% are female Figure 2. Gender Ratio of Scientists on Twitter. 60% of scientist...mostly because of this article: “A systematic identification and analysis of scientists on Twitter.” This...: Portion of Tweets with Scientific Domains, Categorized by Discipline. Biologists, neuroscientists, and... Y., & Sugimoto, C. R. (2017). A systematic identification and analysis of scientists on Twitter. Plos...Scientists 5 Reasons to Use Reddit for Science Communication 10 Ways to Share Your Science Why Scientists...

...  Figure 2: Prokaryotic chromosomal replication. Adapted from BioRender template. Since DnaA...Microbiology and Molecular Biology Reviews: MMBR, 62(2), 434–464. https://doi.org/10.1128/MMBR.62.2.434-464.1998...plasmids rely on their host cell's replication machinery in order to replicate—but not always to the same extent...described in our previous Origin of Replication post, DNA replication is initiated at the ori and may or...consider the replication mechanism of plasmids under stringent control, such as pSC101. DNA replication and regulation...review how E. coli normally replicate their chromosomal DNA. Chromosomal replication in bacteria is carefully...entire round of replication. Initiation is the primary control point of DNA replication in bacteria, so...

...spending time with her horse, and wondering what her cat is thinking. Find her on Twitter @JessicaSacher. ... is also gaining a lot of new traction lately (1, 2), depends on knowledge of the structure(s) a given...per plate) across 20 fresh selective plates. Step 2: Express random phage DNA fragments in E. coli Now... 23.4 (2015): 185-191. PubMed PMID: 25708933. 2. Cooper, Callum J., Mohammadali Khan Mirzaei, and Anders... biology 34 (2015): 69-77. PubMed PMID: 26275959. 2. Weigele, Peter, and Elisabeth A. Raleigh. "Biosynthesis... whole genome amplification (by a mechanism known as multiple displacement amplification) even in the ...same location that their host colonies grew. If your cells of interest stick to the same location as a...

...conditional knock-in cassette. As shown in Figure 2, the cassette should contain a reporter DNA sequence...targeted neuronal population.    Figure 2 (modified from Schnutgen et al. Nat Biotech 2003): In the ...cellular level in the mouse. 2003 PubMed PMID: 12665802. 2. Branda, CS and Dymecki, SM. Talking about a Revolution... SM. 2008. A FLEX switch targets Channelrhodopsin-2 to multiple cell types for imaging and long-range ...sites directs the Cre recombinase to invert, translocate, or excise a DNA fragment. The availability of... the function of various point mutations and truncations in the absence of the endogenous gene. Spatio-temporal..., allowing for clearer characterization of the location, morphology, and circuit mapping of a targeted...

...Nature communications 8 (2017): 15178. Pubmed PMID: 28474669. Pubmed Central PMCID: PMC5424143. 2. Tsai...guide expression and dsDNA breaks. Figure 2: Non-targeting vs. safe-targeting guides. The genome-wide...target all protein-coding genes present in the genome; 2) non-targeting guides (red), which target no sequence...guides that had zero mismatch off-targets. Guides with 2-bp mismatch off-targets were only toxic if they had...tolerated than mismatches more distal to the PAM, and 2) guides with high GC content have greater off-target... potential control, and provide evidence that truncated gRNAs have improved specificity with only a small...Improving CRISPR-Cas nuclease specificity using truncated guide RNAs." Nature biotechnology 32.3 (2014):...

...//doi.org/10.1002/1096-8628(200022)97:2<147::aid-ajmg6>3.0.co;2-o Baker SA, Chen L, Wilkins AD, Yu P, ...Caused by a mutation in the methyl-CpG binding protein 2 (MECP2) gene, Rett Syndrome is a rare, progressive...X-linked MECP2, encoding methyl-CpG-binding protein 2. Nat Genet 23:185–188 . https://doi.org/10.1038/13810... (2000) Rett syndrome: Methyl-CpG-binding protein 2 mutations and phenotype-genotype correlations. Am ...detrimental as too little, resulting in MECP2 duplication syndrome or Rett Syndrome, respectively. One ...Efficient and Precise CRISPR/Cas9-Mediated MECP2 Modifications in Human-Induced Pluripotent Stem Cells. Front..., Hector RD, Cobb SR, Bird A (2017) Radically truncated MeCP2 rescues Rett syndrome-like neurological ...

...Request review: 1–2 days Prep and QC completed: 6–8 weeks Average shipping time: 1–2 days (USA); 3–4 days... our production process. This process will take 1–2 days, and we anticipate approving the vast majority...request is approved, you will receive an email notification that your request is ready to order. An “Add...subscribe to the Addgene blog for updates and educational resources.  We hope you’re as excited about this...

...imaging of diverse tissues. Nature Protocols, 17(2), Article 2. https://doi.org/10.1038/s41596-021-00644-9 ...directly from the Zenodo dataset.     Figure 2: Screenshot showing reagent entries with associated...something doesn’t work, it’s not a failure. It’s an education.   Figure 4: Zenodo page showing the IBEX... repository for reagents, protocols, panels, publications, software, and datasets. It’s also a great place...