...editing or the induction of iPSCs, are available in the Resource Center. Researchers can also find links to ...so that both veteran and new Rett researchers can find the reagents and resources they need to cure Rett...Syndrome? Caused by a mutation in the methyl-CpG binding protein 2 (MECP2) gene, Rett Syndrome is a rare...normal development through ages 6 to 18 months, individuals with Rett syndrome experience regression of previously...Syndrome (Amir et al., 1999). We now know that MECP2 binds to methylated CpG dinucleotides and CAC trinucleotides...excision of the Stop cassette using tamoxifen-inducible Cre not only halted the neurological damage but...regardless of age or symptom severity. This exciting finding injected hope that a similar reversal may be possible...

...benefit from region-specific, inducible expression.   Find heat-inducible lentiviral plasmids here!   Wu...what you'll find in this post: CRISPR-Csm: A novel RNA targeting system Heat-inducible lentiviral Car...Adapted from Figure 3 Colognori et al 2022.   Find CRISPR Csm plasmids here! Colognori D, Trinidad ...Epub ahead of print. PMID: 36690762.   Heat-inducible lentiviral CAR constructs by: Brian O'Neill  A...lab.  The crux of the system is a set of heat-inducible lentiviral CAR constructs, the most basic of which... which is depicted here: The heat-inducible Hsp (heatshock promoter) drives expression of the tumor-... signal in immunoassays due to only having one binding site per protein. Having multiple antibodies allows...

...ribosome moves along an mRNA, it displaces other RNA-binding proteins to allow translation to occur. For a TRICK...requires the following components: a GFP protein that binds to the coding region of a reporter mRNA via a PP7... coat protein (NLS-PCP-GFP) an RFP protein that binds to the 3’ UTR of the reporter mRNA via an MS2 coat... the fluorescent proteins and is driven by an inducible promoter (Plasmid 64542 or 64543) Before translation...signal, NLS-PCP-GFP then returns to the nucleus to bind cognate untranslated mRNAs. The high specificity...multiple copies of the PP7 and MS2 coat protein binding sites to tether many copies of the FP-coat protein...development, the osk-TRICK reporter was double labeled, indicating translational repression. During later stages...

...assay run time to two days.  Indirect or direct detection method Indirect detection is the most common...quicker to use, with high binding capacity, though it has lower retention after binding and washes. It’s less...for validation data, or follow the references to find the original publication and ensure that it includes...for a western blot. Polyclonal antibodies, which bind to multiple sites on an antigen, are cheap and can...the manufacturer, each rAb in a mixture can be individually validated. ‌rAbs are not as commonly available...). Direct westerns are simpler and faster than indirect ones and can be used in highly quantitative assays...tested to ensure it doesn’t impact the antibody’s binding to your protein of interest. Protein preparation...

...factor localization and binding via ChiP-seq. Learn more about ENCODE Find the transcription factor...Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ... but we hope that this blog series will help you find new CRISPR tools for your research.     Improved...sensitivity, and more. Read the paper in Science Find the new SHERLOCK plasmids More precision with ...Cas9’s. Read the paper in Nature Communications Find the Cas9-Cas9 chimera plasmids A modular toolkit...engineering in plants. Read the paper in bioRxiv Find the plant genome editing toolkit New Cas protein... Addgene blog post Read the paper in Science Find the Cas14 plasmids Anti-CRISPR proteins for optogenetic...

...substrate or add an essential cofactor? How many binding partners does it have and how do they come off ...package needs to go to the proper mailbox (i.e., a binding site) in the right city (protein). In a cell, this...thousands of biomolecules each containing multiple binding crevices that can nonspecifically soak up your ...when donor and acceptor are close together. The binding of acceptors >100 Å away from the donor doesn’t...translation, the novel tRNA/unnatural amino acid finds the UAG codon in the ribosome, resulting in site-specific... reagents You may already have a FRET acceptor-binding site on your protein of interest: you just don’...NTA-sepharose beads used for protein purification: the NTA binds to the His tag on your protein and the coupled Cy...

...while its binding partner, avidin, is found in the egg white. Avidin is a glycoprotein that can bind four ...to your sample. Any free biotin-binding sites on this complex can bind to your biotinylated antibody. ...Biotin and its binding partner avidin are commonly used today in molecular biology for an array of different...was able to purify the protein responsible for binding biotin, avidin. Avidin was aptly named for the ...purified from. Snell later confirmed that avidin was indeed the culprit in egg white injury by feeding rats...consists of four identical subunits that can each bind one molecule of biotin. Biotin and avidin have an... reactive species without affecting the avidin binding site. With all of these features it isn’t surprising...

...and research independence needed to pursue his or her chosen career path,” but individual institutions...scientifically minded, and able to communicate complex information - all traits you are likely to find in graduate...underrepresented individuals too nicely. When the work of the underrepresented individual is then judged...the FOR website, the FOR Boston 2015 organizers indicate that the main question they wanted to focus on... “How many graduate students/post-docs?” You can find some of the more detailed questions the organizers...The National Academies define a postdoc as “An individual who has received a doctoral degree (or equivalent...during the Saturday Hack Day Session focused on finding this information and making it more easily digestible...

...specified by the DNA-binding protein. The ADD domain of the methyltransferase binds to H3K4me0 on D3L, ... our Hot Plasmids articles. Here's what you'll find in this post: MagIC-Cryo-EM for enrichment and ...could be used for applications beyond cryo-EM.   Find plasmids for MagIC-Cryo-EM here!   Arimura, Y., ...samples from damage at the AWI. Plus, tardigrades!  Find RvLEAMshort here!    Abe, K. M., & Lim, C. J. (2024... to partially correct mouse models of genetic blindness (An et al., 2024) — the first demonstrated use... a genetic disease phenotype in an animal model. Find PE-eVLP plasmids here! The lab’s other recent deposit...four-fold improvement over the wild-type enzyme. Find optimized PASSIGE plasmids here!     Figure...

...RNA binding site works well. However, since some guide RNAs may tolerate a mismatch in the binding sequence...purpose of making sequence-specific changes in human induced pluripotent stem cells (iPSCs). The CRISPR/Cas9... dele­tions or other mutations, referred to as ‘indels’. While this is convenient for generating gene ... intended HDR events were corrupted by unwanted indels on the same allele, probably due to concomitant...combined pitfalls made it virtually impossible to find the 0.2-0.5% correctly edited alleles, when screening...accurately edited, the other likely contains unwanted indels. Following this observation, we tested a strategy...bases as close to the PAM as possible (see below to find out why). Please check our recent studies for details...

...Addgene.org Read our CRISPR guide Find CRISPR plasmids by function Find recently deposited plasmids ... but we hope that this blog series will help you find new CRISPR tools for your research.     CRISPR-...sites. Read the paper in Nature Communications Find the Cas12b plasmids  Plant base editing with a... and wheat. Read the paper in Genome Biology Find plasmids containing these base editors Spatially...the paper in Frontiers in Molecular Neuroscience Find the AAV-based SaCas9 genome editing plasmids String...can all be chosen. Read the paper in PLoS One Find the STAgR cloning plasmids Mobile-CRISPRi allows...conjugation.   Read the paper in Nature Microbiology Find the Mobile-CRISPRi plasmids Identification of ...

...CRISPR Resources at Addgene.org Find plasmids from the Sánchez lab Find plasmids for other developmental... used for both in situ hybridization and dsRNA-induced RNAi experiments. Notably, this plasmid harbors... more detailed materials and protocol resources. Find Sánchez lab Plasmids Visualizing gene expression... example, Digoxigenin-labelled Uracil) that will bind to complementary mRNA within an embryo or tissue... expression of specific genes. After riboprobe binding (via hybridization) specific antibodies that detect...referred to as small interfering RNAs (siRNA) and they bind to a class of Argonaute proteins. The Argonaute ...complementarity to the remaining single stranded siRNA to bind natively expressed mRNAs.These native mRNAs are ...

...encoded calcium indicators (GECIs) are fluorescent proteins linked to calcium binding proteins (e.g., ...nucleus-targeted GCaMP6 with an extra apoCaM-binding motif to prevent aberrant binding of the biosensor to endogenous...in living cells and organisms. Unlike chemical indicators, these DNA constructs can be delivered to intact...low affinity calcium biosensor, so that the (1) binding of calcium, (2) allosteric rearrangements of the...is engineered with a reduced number of calcium binding sites per sensor (to decrease unnecessary calcium...:509-18. Inoue M. Genetically encoded calcium indicators to probe complex brain circuit dynamics in vivo...Kanemaru K, Iino M. Genetically encoded fluorescent indicators for organellar calcium imaging. Biophysical journal...

...quickly find much-needed phages for patients.   A phage directory is crucial because it's hard to find the... blog posts on open science Find blog posts about scientific sharing Find blog posts about networking ...Alberta, saw that scientists were using Twitter to find phages to treat an antibiotic resistant bacterial...designer that she knew. “We had actually met at a lindy hop swing dance event,” Zheng says (networking can...quickly teamed up to create Phage Directory in a whirlwind three days in November 2017. #Phage researchers...antibiotics. We need lytic non-lysogenic phage URGENTLY to find suitable phage matches. Email [email protected]... comes to administering phage therapy. The laws behind phage therapy, acceptable endotoxin levels, etc...

...prep. With this in mind, we recommend that users titrate their AAV vectors to find the optimal dose that...Quality Control Resources on Addgene.org Find Ready-to-Use AAV Find Ready-to-Use Lentivirus Browse Viral ...used to repeating experiments to confirm their findings. But no scientist wants to repeat an experiment...step process using Geneious software: First, the individual sequencing reads (~150 bp each) are aligned to... reviewed. As mentioned earlier, it is common to find DNA from the packaging cell genome, bacterial genomes...our pipeline (see Figure 2, sample 2). When we blindly analyzed AAV-68544, we were easily able to identify...Recombinase-dependent sequences may be subject to recombinase-independent recombination during plasmid growth in bacteria...

...transcription factor binding site. GAL4 expressed in the fly binds to the UAS binding motif, driving downstream...cells in a population, it’s easier to visualize individual/non-overlapping cells. While transgenic animals...require heat-shocking the system or using chemical inducers of gene expression (del Valle Rodríguez et al....controlled by the upstream recombination outcome. Find SPARC plasmids at Addgene To more precisely control...intermediate (d), and sparse (e) labeling of the calcium indicator, GCaMP6f, in the Drosophila optic lobe. Image ...organisms by replacing the transcription factor binding site and effector in the construct. In Drosophila...dendrites of T5 neurons by placing the calcium indicator GCaMP6f in the effector position, as well as to...

... of the antibody has an antigen binding site for a total of 2 binding sites per antibody. C) IgG’s are...Advantages of Nanobodies How to Use the Nanobody Toolbox Find Nanobody Plasmids Structural comparison As the...Antibodies One of the main reasons antibodies are great indirect immunodetection tools is their strong signal strength...occur: A) Multiple polyclonal secondary IgGs can bind to different epitopes of a primary antibody. B) ...displacement 2° incubation can be skipped by pre-binding to 1° Monovalent Monoclonal Only anti- rabbit...IgG subclasses. Instead, you can pre-incubate individual primary antibodies with secondary nanobodies ... with three IgG1 antibodies. Antibodies were individually incubated with a secondary nanobody conjugated...

... of well characterized inducible promoters. Far removed from the bio-industry’s vision of ‘biofactories...multiple scRNAs all individually utilize the same dCas9 protein. By using an inducible promoter to modulate...that can fold into a secondary structure that can bind specific proteins via aptamer domains. Combined ...Combined with dCas9, this new scaffold RNA (scRNA) will bind to a PAM-adjacent target nucleotide sequence then...transcriptional regulator or the number of designed scaffold binding sites. With hundreds of characterized aptamer domains...relies on base pairing, it has promise to be host-independent, beyond the oft published metabolic engineering...recognize guide RNA but with a different dCas9 binding module, alternative sets of transcriptional programs...

...meeting people with different mindsets and approaches can truly broaden your mind. When I first began collaborating...practical tools like alumni networks. I find it useful to remind myself to check in regularly with collaborators...people at Addgene) had to take the initiative to find a suitable partner, connect the relevant teams, ...types of events can be very tough. First I needed to find the right contacts at the companies and then convince...the perspective of my potential collaborators in mind. Being at a university allows you to approach people...sponsors for a training weekend for a sports club, find speakers for a meetup or recruit volunteers for ...: maintaining these relationships. Personally, I find this to be the most challenging and time-intensive...

...another edition of Hot Plasmids!  Here's what you'll find in this post:  New compact, efficient prime editors...templates and significantly reduced undesired edits (indels, etc.), while PE6c and PE6d were most efficient...Pandey et al., 2023 under CC-BY 4.0 License. Find PE6 plasmids here!  Doman, J.L., Pandey, S., et ...experimental therapies and medical applications.  Find DIRECTED plasmids here! Strebinger, D., et al. (...in neurons, in pulse-chase experiments, and more. Find LOV-Turbo plasmids here! Next, Qin and Cheah et ...incorporated LOV-Turbo into TransitID experiments.  Find TransitID plasmids here! These two developments ...labeled. Using lentiviral vectors to stably or inducibly express tagged iPAK4 from different promoters,...