We narrowed to 1,085 results for: IND

.../conditions can change binding ability – i.e., the antibody can no longer bind to the target). Unreliable...specific binding and has a strong signal. We call the unique pattern of the antibody binding “distinct...spent hours sifting through comments and papers to find the most reliable (and cost-effective) antibody ...causes of this unreliability: cross-reactivity (binds to non-target proteins), variability (separate batches...goldilocks antibody is highly specific (minimal binding to off-target molecules), reliable (wouldn’t perform... choosing which antibodies to screen, we kept in mind our own lab’s purposes. The Wu lab mostly uses whole-mount...Strength and accuracy The strength is based on binding specificity and exposure time. We first have a ...

...Visualization Resources on Addgene.org Find Biosensor Plasmids Find Optogenetics Plasmids Visit the Fluorescent...introduction to fluorescent biosensors, but keep in mind that there is a lot of variety in how biosensors...(CaM) and the chicken myosin kinase calmodulin binding region RS20. When calcium is absent, the construct...construct does not fluoresce; when present, calcium induces CaM/RS20 interaction, thereby changing the FP’s...FRET pair) separated by CaM and M13. When calcium binds, it triggers CaM/M13 interaction that increases ...same pattern described above - a sensing domain induces changes in a fluorescent signal based on ligand...biosensors to follow processes such as protein or DNA binding, enzyme or transcriptional activation, conformational...

... here. Here's what you'll find in this post: Improved voltage indicator: JEDI-2P Novel class of light-gated...Liu Z, et al. Cell. 2022.  Find JEDI-2p viral preps here (and here!)Find JEDI-2p plasmids here!  Liu,...-Myc [9E10] now available! Improved voltage indicator: JEDI-2P  by: Brian O'Neill  The François St-Pierre...have successfully developed an improved voltage indicator (GEVI) called JEDI-2P. Using a custom, high-throughput...predecessor GEVIs (called ASAP 1 and 2), they found an indicator that is optimized for 2-photon imaging of voltages...EF1ɑ-driven viral vectors (AAV1) - and you can also find several other constructs in plasmid form. ...screen for improved genetically-encoded voltage indicators (GEVIs) based on the ASAP sensors. The resultant...

... panel. This complexity index ranges from 0-1, with a value of “0” indicating those markers are completely...a value of “1” indicating those markers are identical and completely indistinguishable. This tool is of...low similarity index. In figure 3, we can see that PerCP and PE/Cy5 have a similarity index of 0.87; therefore... beads that will either bind any antibody (positive population) or won’t bind anything (negative population...panel, there are a few critical factors to keep in mind in order to get the best data possible.  Spectral...website has a convenient tool, called the similarity index, which allows the user to compare the emission spectra...designing a panel.     Figure 3: Similarity index across 12 different colors on a three laser spectral...

... Addgene’s plasmids is an indication of popularity. A yellow flame indicates that a plasmid has been ordered...found yourself bamboozled by all of the different kinds of information on our plasmid pages? Well, to help... publication page, and finally on down to the individual plasmid page. The depositing lab page contains... in the collection, but you can use this name to find this plasmid from our search page (check out this...ways you can search our website). A quicker way to find this plasmid through search is... The Addgene plasmid...searching for, this is the quickest and easiest way to find it! But what are all those flames about? Flame...although you may have an entirely different use in mind! This section of our plasmid pages is relatively...

... membrane will bind to the proteins in the buffer, blocking the membrane  from binding to the antibodies...antibody binds to protein of the correct size. Many vendors will show that the antibody binds to transiently...slightly more popular due to its durability and high binding capacity. In addition, PVDF membranes can be repeatedly...unbound regions are “sticky” and have the potential to bind nonspecifically to the antibodies used for staining...But which antibody should you use? You will likely find several different antibody options targeting your...interest from a variety of vendors and you may even find plasmids encoding antibodies from Addgene that you...chains. The protein regions available for antibody binding, or epitopes, differ between a protein in its native...

...researchers do these things with nefarious goals in mind. Indeed, it’s not always obvious that we’re doing things... sciences and featured speakers from academia, industry, nonprofits, and publishing. The livestream video...preparation for my talk and at the minisymposium. You can find a variety of additional resources and information...that someone has replicated it precisely. You can find a great discussion of different types of replication...purposes we’ll call a study reproducible if its findings can be predictably applied to future work. Importantly...expect that every study should be reproducible. Indeed, researchers are pushing the limits of knowledge...reported by drug companies attempting to apply the findings from these studies, are quite low (<30%, Prinz...

... Researchers can design drugs to bind to well-defined ligand-binding pockets or unique surface epitopes...monitor the binding of fluorescently-labeled VEGF-A to the heteromeric receptor complex. Find sHiBiT-KDR... fragment of the NanoBiT® complex, which, upon binding to its complementary partner LgBiT, reconstitutes...effective for analyzing real-time kinetics, such as binding, degradation, trafficking (Hall et al., 2012). ...variant expression with a minimally disruptive tag. Find HiBiT-TP53 Fusion Vector at Addgene! Following extracellular...reporter for tracking proteomic cargo flow via EVs. Find ADAR-HiBiT Fusion Vector at Addgene! Watching protein...extracellular-specific and full lytic measurements. Find CFTR-HiBiT Fusion Vector at Addgene! Real-time tracking...

...downstream of inducible promoters: the BxbI gene downstream of the anhydrotetracycline (ATc)-inducible promoter...sequence the register. In our paper (1), we allowed individual bacterial cells to form colonies on a plate and... TP901 gene downstream of the arabinose (Ara)-inducible promoter (PBAD), and the A118 gene downstream ...downstream of the diacetylphloroglucinol (DAPG)-inducible promoter (PPhlF).  Output Plasmid: The output plasmid...register. Depending on the desired application, the inducible promoters we used to drive recombinase expression...register. RSM (See performance data from the indicated figures in our paper (1)) Input Plasmid Output...promoters, and genes) were built with flanking primer binding sites (designed to have 20-30 nt length, ~60 oC...

...backbone. Sample results indicative of successful and unsuccessful ligations are indicated below. A successful...enzymes. An enzyme, DNA ligase, then covalently binds the plasmid to the new fragment thereby generating...generate compatible overhangs that allow them to bind. Ligase is used to make bonds between the insert...followed by the restriction sites EcoRI, XhoI, and HindIII. To place your gene in the proper orientation downstream...EcoRI site just 5’ of the start of the gene and a HindIII site just 3’ of the end of the gene. This way you... backbone as well as the insert with EcoRI and HindIII and, when you mix the cut products together, the...two EcoRI digested ends will anneal and the two HindIII digested ends will anneal leaving the 5’ end of...

...high-affinity for calcium binding and developed a version of the protein with as few calcium-binding sites as possible...Neurobiology has been working on genetically encoded indicators of calcium and other small molecules since the...and his colleagues began by isolating a calcium-binding protein, troponin C (TnC), from muscle cells. They...imaging for beginners Griesbeck says his calcium indicators can be used in mouse, Drosophila, C. elegans,...his team is now applying it to improve upon an indicator they developed and published in 2010 for visualizing...the transcription factor cAMP-responsive element-binding protein (CREB) in living cells. “Now we are making...Metals Maarten Merkx of Technische Universiteit Eindhoven has similar interest in FRET-based sensor proteins...

... crucial recognition region is disordered, Cas9 binds DNA very weakly, most likely through unstructured...regions.   Cas9’s transition from weak, random binding to precision gene editing requires three major ...3. Though Cas9 is not a static molecule in any binding state, RNA loading stabilizes the closed conformation... the open conformation (Cofsky et al., 2022), indicating that there is more to learn about this process...helix, purple; sgRNA, dark blue.   The REC lobe binds tightly to the repeat:anti-repeat duplex of the ... stem loops and the guide region. The stem loops bind along the outside of the protein, spanning both ...Figure 3 shows the guide RNA stabilizing the DNA-binding protein portion of the CTD, ready to check for ...

...reversible and would avoid genomic off-targets or indels introduced through non-homologous end joining (...orthologs, and 7 Cas13c orthologs. They hoped to find a stably folded ortholog that cleaved RNA robustly...also increase off-target editing within the target window, possibly due to longer stretches of duplexed RNA...that editing is mediated by ADAR2DD, not PspCas13b. Find the plasmids for the RESCUE RNA editors here! Testing...duplex RNA, they hoped to destabilize ADAR-RNA binding to decrease off-targets. Of the tested constructs...system’s ability to edit endogenous transcripts finding up to 42% editing efficiency. They note that RESCUE... RESCUE system small enough for viral delivery.  Find the RESCUE RNA editing plasmids here! Future directions...

...identify the critical NANOG binding sites: 1. Find Enhancers that have NANOG binding sites 2. Design a CRISPR...stem cells (ESCs). Your ChIP-seq finds just over 13,000 significant binding peaks for NANOG in the human ...on Addgene.org Find CRISPR Plasmids for Your Research Check out Our CRISPR Guide Find Validated gRNAs..., start, and stop. For instance (chr3, 1, 10) indicates a stretch of DNA at the very beginning of the ...emerging family of sequencing techniques function as a kind of “GPS for the genome” to compute coordinates for...DNase-seq DNA (regions that are accessible for binding) Google Maps: Enhancers and genome math Suppose...Suppose that you wish to use Google maps to find all coffee shops near your house, excluding Starbucks. ...

...variant thereof. This individual protein has all the components necessary to: 1. Bind to a guide RNA The ...many possible loci. Without binding to the guide RNA, Cas9 cannot cut. 2. Bind to target DNA in the presence...protospacer adjacent motif (PAM) Cas9 endonuclease binding to the target genomic locus is mediated both by...the guide RNA or a PAM sequence, Cas9 will neither bind nor cut the target. Cas9 homologs from different...domain near the center of the protein. Upon target binding, Cas9 undergoes a conformational change that positions... SpCas9 D1135E variant 3' NGG (reduced NAG binding) SpCas9 VRER variant 3' NGCG SpCas9 EQR...) or single guide RNA (sgRNA). Throughout the remainder of this post, we’ll refer to this RNA complex ...

... the Jaffrey lab used SELEX to find a 98 nt RNA aptamer that would bind the fluorogen and increase its...GFP Resources at Addgene.org Find the Spinach Plasmids at Addgene Find Broccoli Plasmids at Addgene View...What is an aptamer? Nearly 30 years ago, two independent groups, led by Jack Szostak and Larry Gold, developed...selecting and amplifying RNA sequences that could bind very specifically to target molecules. Using a technique...non-nucleotide targets. These RNA molecules, which could bind their targets with high specificity and affinity...next two decades, these nucleotide-based ligand binders would prove to be highly adaptable tools. The...frequently undergo conformational changes after target binding, aptamers are highly customizable in terms of how...

...editing window of ~17 nt from the nick site, which was expected since the processivity window of PolI ...thereby increasing the editing window of EvolvR to ~56 bp. A larger editing window also increased the likelihood...of interest with dCas9 fused to the Activation Induced Cytidine Deaminase (AID) enzyme. AID, however, ...nCas9 nicks and then dissociates from. PolI3M then binds the nicked DNA, and extends it from the 3’ end, ...its target DNA (left). Cas9 dissociates and PolI binds (middle) and extends from the 3' end of the nick...increase the mutation rate and extend the editing window of EvolvR: (1) two additional mutations to PolI3M...generation, and (2) the addition of the thioredoxin-binding domain (TBD) from bacteriophage T7 DNA polymerase...

...designed to bind and detect nearly any RNA sequence. Downstream of the hairpin is a ribosome binding site (...under control of the arabinose-inducible promoter. Cells are first induced with arabinose to begin expressing...Addgene Blog Find microbiology blog posts Read about synthetic biology on the blog Find all of our Plasmids...for in situ genetic tools for microbiome studies.  Find the MAGIC plasmids here Paper-based synthetic biology...blocks translation by sequestering the RBS, but binding of the “trigger RNA” (in this case, biomarker RNA...transcripts of interest is a benefit of this method. Find the toehold switch microbiota/biomarker sensors ...antibiotic resistance markers, promoters, and inducible gene expression systems in bee gut microbiome ...

...complex binds to the target sequences, Cas12a activity gets activated. This unleashes indiscriminate ssDNA... complementary crRNA sequence to bind to the sample and upon binding, gets activated. This activation ...that have no mismatches bind to the immobilised target sequences. Upon binding, changes in fluorescence...streptavidin which can bind to the biotinylated targets. They also tried to confirm target binding on agarose gels... Two Cas12a-crRNA complexes are designed, each binding to one strand of the reverse-transcribed target... and are added separately. Using two crRNAs that bind to two regions improves sensitivity of the assay...amplification by the RPA primers, the Cas12a-crRNA binds to the complementary region in the target sequence...

...that bind endogenous fluorescent co-factors can be used. Examples include the LOV domains that bind flavin...protein that binds bilirubin (Kumagai, 2013). Next to these naturally occurring co-factor binding proteins...molecules can be indirectly visualized by using protein domains that specifically bind the molecule of ...proteins, systems wherein a protein binds a synthetic, fluorescent analogue have been engineered (Thorn, 2017...is big GFP is a 28 kDa protein that resembles a cylinder with a length of 4.2 nm and a diameter of about...genetically encoded probes are based on cofactor binding proteins as described above. The smallest tags ...tags are peptides that are engineered to bind specifically and with high affinity to fluorophores. Examples...