We narrowed to 77 results for: tet off

...has used an inducible MitoTimer reporter using a Tet-on system (pTRE-Tight-MitoTimer) to show its usefulness...peptide-peptide ligation using SpyLigase Building off their SpyTag/SpyCatcher system for protein-peptide...mutagenesis (K176R) to improve the otherwise slow off-kinetics (15.8 ± 0.4ms from 21.4 ± 1.1 ms); this ...duration. Both of these strategies carry the risk of off-target effects. Harald Janovjak and his team at the...RUSH) use Cre-mediated recombination to turn on or off the expression of shRNA. This system requires less...expression. The capability to turn RUSH and CRUSH alleles off or on enables this method to rapidly address questions...repressor plasmids from Scot Wolfe's lab. These include Tet-inducible CRISPR activators and repressor plasmids...

...Return to top Reversibly Photoswitchable (e.g. Off to On to Off) Protein Excitation (nm) Emission (nm) Activation...Structure Plasmids iLOV 447 497 467 (On to Off) Spontaneous (Off to On) Monomer pEiLOV-N1 - Mammalian Expression...Mammalian Expression rsEGFP2 478 503 408 (Off to On) 503 (On to Off) 18 5.8 20 min pcDuex2-rsEGFP2-E - Mammalian...Bacterial Expression Dronpa3 490 515 405 (Off to On) 490 (On to Off) 19 Monomer Dronpa3-N1 - Mammalian Expression...Mammalian Expression rsEGFP1 493 510 405 (Off to On) 491 (On to Off) 17 6.5 3 h rsGFP1-pBAD - Bacterial Expression...Expression Skylan-NS 499 511 405 (Off to On) 488 (On to Off) 79 5.7 Monomer pSkylan-NS-N1 - Mammalian ...Mammalian Expression Dronpa 503 518 400 (Off to On) 503 (On to Off) 81 40 min Monomer pcDuex2-Dronpa - Mammalian...

...incorporating a Tet-Off system to boost XFP expression. The increased brightness of Tetbow allows this system... proliferating cells. Tetbow optimizes Brainbow for current technologies Tetbow (Sakaguchi et al., 2018...fluorophores RFP (red), YFP (yellow), and membrane-tethered CFP (cyan). Brainbow 1.1 adds OFP (orange) (Livet...Flp recombinase. The XFPs in Flybow are membrane-tethered, making this system useful for visualization of...discriminating neurons within only one field of view. Tetbow can be introduced in vivo either by electroporation...vectors. The Imai lab also developed a version of Tetbow that incorporates chemical tags instead of XFP ...this blog post from the researchers who developed Tetbow. Conclusion Stochastic multicolor cell labeling...

...including cDNA expression, shRNA-mediated knockdown, Tet and Cre-regulated expression, CRISPR genome editing...; however, the 3rd-generation packaging systems offer the maximal biosafety available for the technology...

...increase specificity, and decrease off-target effects Sniper-Cas9 — less off-target activity; compatible with...cleaving only one strand of target dsDNA. Off-target effects or off-target activity Cas9 cleavage at undesired...of partial homology throughout the genome, called off-targets, that can impact your experiment. There are...DSB within the target DNA, it’s unlikely that two off-target nicks will be generated close enough to cause... mutating specific amino acid residues to reduce off-target editing. Some mutations disrupt interactions... method, increased fidelity enzymes lead to less off-target editing than wild type Cas9. Examples of increased...proofreading and discrimination evoCas9 — decrease off-target effects xCas9 3.7 — mutations in multiple ...

...procedure for xenograft experiments. B) Constructs for tet-inducible CRISPRa-AAV engineering. Adapted from Nguyen... MitoTRACER plasmids here! Borcherding, N., & Brestoff, J. R. (2023). The power and potential of mitochondria...microscopy, and fiber photometry. Plus, both designs offer promising templates for future improvements. Find...condensates (Zhang et al., 2025). This new tool offers a way to selectively perturb any kind of condensate...

...Cre-lox can be used to turn shRNA constructs on or off. In floxed-shRNA constructs, Cre can excise the shRNA...utilize recombination elements such as Cre to turn off the expression of one gene while simultaneously turning...with lineage-specific drivers can also help reduce off-target events and the systemic effects of Cre toxicity...only activated in the presence of tamoxifen. A tetracycline-regulated or other drug-inducible approach may...

...Luciferase Firefly TRE Lentiviral vector with dox- or tet-inducible luciferase expression Stephen Tapscott ...popular plasmids expressing luciferase. We also offer ready-to-use AAV preparations of select luciferase...expression of firefly luciferase William Kaelin 60495 pSBtet-GP Firefly TRE Dox-inducible expression of firefly...

...Cas9-independent off-target DNA editing, ~5–50-fold lower levels of Cas9-dependent off-target DNA editing...repressor plasmids Cytosine base editors with minimized off-target DNA editing The original cytosine base editor...editor, BE3, induces a low frequency of genome-wide off-target DNA editing. Using several rapid and cost-... RNA-guided methylcytosine editing by TET1 by co-delivering TET1 and protein factors for linking methylcytosine...., 2019. Fusing epigenetic modifiers such as TET1 with inactive Cas enzymes can alter gene expression...

...experiments 1. Reduce off-target effects Prolonged Cas activity can increase the chance of off-target editing...be used to limit this off-target editing, but when is the best time to shut off Cas activity? Using inhibitor... vectors. Having a way to shut off CRISPR-Cas systems prevents the off-target effects and cytotoxicity... to flip the switch and turn off CRISPR activity. The ability to turn off CRISPR activity is an important...there’s one thing that was missing: a way to shut off Cas’s activity. The concern is that the longer Cas...active in a cell, the greater chances there are for off-target edits to occur. Although methods to switch... drugs have been developed, the field lacked an “off-switch” for Cas proteins. Discovery of anti-CRISPR...

...Controlled Expression Resources Check out our Tetracycline (Tet) Inducible Expression Collection for an extensive...Expression Species PI 44249 pdCas9-bacteria pTetO Anhydrotetracycline (aTc) Escherichia coli Stanley Qi 11518...coli Andreas Moeglich 68940 pRMC2 Pxyl/TetO Anhydrotetracycline (aTc) Staphylococcus aureus Tim Foster...glutamicum Timothy Lu 17972 pSE100 Pmyc1/TetO Anhydrotetracycline (aTc) Escherichia coli , Mycobacterium...tuberculosis Sabine Ehrt 44561 pST-KT Pmyc1/TetO Anhydrotetracycline (aTc) Escherichia coli , Mycobacterium...extorquens Christopher Marx 44448 pLC291 pR/TetO Anhydrotetracycline (aTc) Methylobacterium extorquens Christopher...baumannii Jason Peters 127088 pMS17 tcp830 Anhydrotetracycline (aTc) Streptomyces sp. Maggie Smith 74065...

...designed to improve on-target activity while reducing off-target effects in human genomes (Doench et al., 2016...based on their optimized sgRNA rules and potential off-target effects. The Dolcetto library contains two...previously established sgRNA rules and  potential on- and off-target effects. The 6 best sgRNAs were selected per...Optimized sgRNA design to maximize activity and minimize off-target effects of CRISPR-Cas9." Nature biotechnology...while nuclease-deactivated Cas9 (dCas9) can be tethered to a repressor (CRISPRi) or an activation domain...RNA-guided DNA binding protein (dCas9). dCas9 is then tethered to a repressive domain, such as KRAB, to prevent...

... Other strategies that have been developed based off of this concept include: Self-labeling tags (e.g...cons All of these labeling strategies have trade-offs between the size of the genetically encoded tag,...discovered in 1856 by William Perkin. His discovery set off a flurry of activity and the majority of the classic...FlAsH, ReAsH) and a short genetically encoded tetracysteine (Cys4) peptide tag could be used to label proteins... lipoic acid ligase, biotin ligase, phosphopantetheinyltransferase) – These enzymes catalyze the covalent...1c). Click chemistry (e.g., transcyclooctene–tetrazine)– Nonnatural amino acids can be incorporated into...

... of light, with a different wavelength, turns it off, allowing the cell to be excited over a sustained...tools in their experiments. Some tools turn on and off rapidly with light to control precise timing of the...and activation kinetics Some channels turn on and off very rapidly in response to a single light pulse ...of how each tool performs and the consequences of off-target activity. Whether you are studying neuronal...photoswitchable tethered ligands (PTL), and photoswitchable, orthogonal, remotely-tethered ligands (PORTLs... secondary signaling pathways. Photoswitchable tethered ligands hold the ligand in close proximity to ...

... typically achieve 90-99% knockdown with minimal off-target effects. The system also enabled them to turn...system. First of all, the Cas9s can be turned on and off, to reversibly activate or repress genes of interest...RNAs have different abilities to turn genes on and off,” he said. “Some are strong and some more moderate...where the degree to which genes are turned on and off varies depending on which guide RNA we use. What ...sgRNA incorporating two MS2 RNA aptamers at the tetraloop and stem-loop 2; 3. The MS2-P65-HSF1 plasmid which...

...TRICK (Translating RNA Imaging by Coat protein Knock-off) instead takes advantage of the ribosome’s movement...yellow. The act of translation pushes NLS-PCP-GFP off of the mRNA, leaving only a red FP bound to the reporter...NLS-MS2-RFP) the reporter mRNA, which contains the tethering sites for the fluorescent proteins and is driven...of the PP7 and MS2 coat protein binding sites to tether many copies of the FP-coat protein fusions to their...these papers did. Since the SunTag-based system tethers mRNAs to the plasma membrane, it’s not appropriate...

... In this system, light is used to turn “on” and “off” MEK1 activity by attaching two dimerizing photoswitchable... the Dronpa dimers interact and lock MEK1 in an “off” setting by blocking the active site. Dronpa also... thus indicates MEK1’s current state (Green when off, dark when on). Figure 1: Photoswitchable MEK1 (...psRaf1) followed by 3 seconds of 400 nm light (turn off psRaf1). After this, the phosphorylation status of...prone to aggregation in cells compared to the tetrameric Dronpa it was derived from. What are photoswitchable...

...cytosine base editors, which decrease the rate of off-target genome edits compared to rat APOBEC1. Now,...CRISPR/Cas9 in cells has advantages like reduced off-target activity and decreased immune response to ...ribonucleoproteins for transient expression. They replaced the tetraloop of the sgRNA scaffold with a com aptamer which...

...) the consequences to your experiment if there’s off-target expression.   Once you know that, you’re ready...tyrosine-hydroxylase (TH), can limit which cells express your gene. Off-target expression can still occur (Fig. 3) - for ... two astrocyte selective promoters demonstrating off-target expression in both oligodendrocytes (Olig2...promoter allows you to decide when to turn on, or turn off, gene expression by administering an inducing agent...  Finally, the risks of potential toxicity and/or off-target effects (e.g. recombinase-dependent vectors...Ubiquitous promoters  These often-strong promoters offer the most flexibility for expression in a large number...2002). Lack of an Immune Response against the Tetracycline-Dependent Transactivator Correlates with Long-Term...

...on and off with light.  Xin hypothesized that she could make enzymes controllable by tethering them to...thereby occluding the enzyme active site and shutting off the enzyme. Later exposure to cyan light stopped ...