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We narrowed to 250 results for: ada.2

Showing: 21 - 40 of 250 results
  1. Tetracycline Inducible Expression

    Type
    Collection
    ...hSyn promoter rtTA3 Wei Xu 26803 pEnt L1L3 EF1a-tTA-2 Gateway entry vector to express tTA from EF1α promoter...expression and improved dynamic range . Hum Gene Ther, 22 (2), 166–176. https://doi.org/10.1089/hum.2010.099 (Link...stimuli like hormones or metal ions, scientists have adapted an antibiotic resistance operon from E. coli : ...Cas9-2A-EGFP expression. Based on LentiCRISPR v2 . Adam Karpf 167935 pLenti-tetON-KRAB-dCas9-DHFR-EF1a-TagRFP...
  2. Deisseroth INTRSECT Collection

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    ...dual-transgenic recombinase-expressing mouse lines 2–9 and combinations of transgenic recombinase-expressing...delivering additional recombinases 10–14 . Figure 2: INTRSECT works by inserting short, intronic sequences...window) Marcinkiewcz CA, Mazzone CM, D'Agostino G, Halladay LR, Hardaway JA, DiBerto JF, Navarro M, Burnham...
  3. TALEN Plasmids and Kits

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    Collection
    ...Golden Gate TALEN Kit and are used in place of pTAL1, 2, 3, or 4. For both plasmids sequence positions 1214...method. Validated in multiple organisms. Dan Voytas Adam Bogdanove Joung Lab TAL Effector Engineering Reagents...
  4. Hot Plasmids Spring 2024

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    Blog Post
    ...repository of tools for SAR-CoV-2 research. Two new antibodies, Anti-SARS-CoV-2 Nucleocapsid Protein [mBG17...Anti-SARS-CoV-2 Nucleocapsid Protein [mBG86], target distinct epitopes on the SARS-CoV-2 nucelocapsid ...Anti-SARS-CoV-2 Antibodies here! Terry, J.S., et al. (2021). Development of a SARS-CoV-2 nucleocapsid ...prime editor PE7 Antibodies to facilitate SARS-CoV-2 research New viral vector preps of Voltron2 voltage... incorporates La’s N-terminal domain, PE7 (Figure 2).  PE7 shows enhanced editing efficiencies in a number...editor. Find PE7 plasmids here!     Figure 2: PE7 improves prime editing. A) Schematic of PE7 prime...PMID: 38570691. Antibodies to facilitate SARS-CoV-2 research   By Ashley Waldron Ready-to-use recombinant...
  5. Rosella: A Fluorescent pH-Biosensor for Studying Autophagy

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    Blog Post
    ...Table 2 for more details on the effect of pH on the fluorescent properties of Rosella.   Table 2: Effect...in yeast. Autophagy,4(2), 205-213. doi:10.4161/auto.5331. PubMed PMID: 18094608 2. Sargsyan, A., Cai, J...environment like the vacuole or lysosome. See Table 2 for a summary of what color fluorescence Rosella emits...fluorescence accumulates in the vacuole. See Figure 2 for an example of what fluorescence looks like for...assays Long-lived protein degradation: This approach measures the degradation rate of radio-labeled long-lived...this is indicative of protein degradation). To control for protein degradation due to other pathways, it ...cytosol and organelles to the vacuole/lysosome for degradation and recycling. The key to Rosella’s autophagy-sensing...
  6. Typing CRISPR Systems

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    Blog Post
    ...   Class 1 versus class 2 There are two CRISPR classes: Class 1 and Class 2. Class 1 CRISPR systems use...systems to carry out various functions. Class 2 Class 2 CRISPR systems rely on a single protein Cas effector...explore Class 2 CRISPR in more depth, the Jennifer Doudna lab maintains an encyclopedia of Class 2 CRISPR systems...systems: a burst of class 2 and derived variants. Nature Reviews Microbiology, 18(2), 67–83. https://doi.org...complex for antiviral defense) complexes, while Class 2 use single protein Cas effectors, like Cas9. The Cascade...1 remains largely underutilized compared to Class 2. Class 1 Despite their incredible abundance, Class...components present in the Cascade complex. Figure 2: Schematic of a Cascade complex (blue subunits) with...
  7. Scientists Map the SARS-CoV-2-Human Interaction Network

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    Blog Post
    ...comprehensive SARS-CoV-2 virus-human interaction network in which we expressed 26 of the 29 SARS-CoV-2 viral proteins...all became acutely aware of the threat of SARS-CoV-2. Like many in the science community, we’ve been motivated...identifying these potential human helpers of SARS-CoV-2 (especially the ones that are druggable) is a key ...just at the beginning of understanding how SARS-CoV-2 interacts with human proteins. For example, we used... joining in this worldwide fight against SARS-CoV-2. As we’ve all been affected in various ways by the...details. Our set of constructs comprises all SARS-CoV-2 viral proteins except for Nsp3 and Nsp16, and includes...is going on there!).  Find the Krogan Lab SARS-CoV-2 plasmids (Note: The Nsp6 construct is undergoing QC...
  8. Giving gRNAs a Facelift - Synthetic and Beyond

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    Blog Post
    ...same site, is 2’-fluoro (2’-F), which substitutes a fluorine for the hydroxyl group at the 2’ position. ...most common of these is 2’-O-methylation, where a methyl group is added to the 2’ hydroxyl group of the...them together, for example phosphorothioates with 2’-O-methyl modifications, proved more stability than...generated by introduction of a single photocleavable 2-nitrobenzyl linker in the 20-bp targeting region of..., gRNAs can be chemically modified to resist degradation while still effectively serving their function...recognized as foreign RNA. To protect the RNA from degradation, several simple methods have been employed which...stability.  Nature has evolved ways to prevent degradation of important cellular RNA molecules with post...
  9. Finding nucleic acids with SHERLOCK and DETECTR

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    Blog Post
    ...Biosciences and UCSF recently adapted the DETECTR platform to detect SARS-CoV-2 using a lateral flow strip... can be used to diagnose the presence of SARS-CoV-2 RNA, but inadequate access to reagents and equipment...named this system SHERLOCKv2 for SHERLOCK version 2. Here are some of the improvements: SHERLOCKv2 uses... a protocol for using SHERLOCK to detect SARS-CoV-2 RNA. The test is started using RNA purified from patient...CY (2020) CRISPR–Cas12-based detection of SARS-CoV-2. Nature Biotechnology. https://doi.org/10.1038/s41587... and Functional Characterization of Diverse Class 2 CRISPR-Cas Systems. Molecular Cell 60:385–397 . https...Cpf1 Is a Single RNA-Guided Endonuclease of a Class 2 CRISPR-Cas System. Cell 163:759–771 . https://doi....
  10. Cpf1: A New Tool for CRISPR Genome Editing

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    Blog Post
    ...Cpf1 is a single RNA-guided endonuclease of a class 2 CRISPR-Cas system. Figure from Zetsche et al., 2015...2015. How was Cpf1 found and tested? Class 2 CRISPR systems, including the type II Cas9-based system...employed by class 1 systems. A putative new class 2 nuclease, Cpf1 (CRISPR from Prevotella and Francisella... the 3’ end of the target sequence. Figure 2: Effects of (A) double and (B) single base pair gRNA-target...Cpf1 is a single RNA-guided endonuclease of a class 2 CRISPR-Cas system." Cell (2015). PubMed PMID: 26422227... Find plasmids from this publication at Addgene. 2. Zetsche, Bernd, et al. "Multiplex Gene Editing by...represent a functional CRISPR nuclease that could be adapted for genome editing. The use of a different nuclease...
  11. Synthesized by Ginkgo Bioworks, Shared by Addgene: SARS-CoV-2 Plasmids for Many Expression Systems

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    Blog Post
    ...Illustration of SARS-CoV-2 from Philippa Steinberg for the IGI.   What SARS-CoV-2 plasmids from Ginkgo ...Bioworks to synthesize and share over 1,850 SARS-CoV-2 plasmids to help academic and industrial labs accelerate...request? Currently, plasmids containing all SARS-CoV-2 protein coding genes in E. coli and S. cerevisiae ...bacterial expression systems, Ginkgo synthesized SARS-CoV-2 expression plasmids in a high copy backbone with a...high level expression and purification of SARS-CoV-2 proteins for downstream experiments and offer flexibility...optimized, full length and truncated versions of SARS-CoV-2 S (spike protein) cloned into a CMV driven expression...first deposited set of plasmids containing SARS-CoV-2 protein coding genes in E. coli and S. cerevisiae ...
  12. Hot Plasmids and Viral Preps - May 2021

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    ...severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus may acquire mutations to escape ... SARS-CoV-2 infects host cells through binding the human angiotensin converting enzyme 2 (ACE2) cell-surface...Pooled library to study antibody escape in SARS-CoV-2 Recombinant antibodies for aminoacyl tRNA synthetases...viral preps Mapping antibody escape in SARS-CoV-2 by mutational scanning By Seth Kasowitz As multiple...viral spike protein.   Figure 1. (A) SARS-CoV-2 RBD DMS Library generation and sequencing. From Starr... binding ACE2 is the target of most anti-SARS-CoV-2 antibodies. In the library, each plasmid encodes the...and a barcode, and is designed so that the SARS-CoV-2 spike RBD is displayed on the yeast cell’s surface...
  13. CRISPR-mediated Plant Base Editors

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    Blog Post
    ... to a mutant TadA (TadA*) that satisfactorily accepts DNA as its substrate (see figure 2).          The... (PSU) is adapting and improving base editing platforms for plant systems.  Figure 2: Plant base...NNNRRT 8 ABE SpCas9 TadA-TadA* NGG 9-12 SpCas9-VQR TadA-TadA* NGA 8 SaCas9 TadA-TadA* NNGRRT 9 SaCas9...available for plant systems. Target-AID based (CBE-2)-  and rAPOBEC based (CBE-1)-  CBEs are successful...based CBEs are known to deaminate cytosine placed in 2-6 bp and 4-8 bp, respectively, of the protospacer....PMID: 27096365. PubMed Central PMCID: PMC4873371.  2. Nishida, Keiji, et al. "Targeted nucleotide editing...SaCas9-KKH TadA-TadA* NNNRRT 8 SpCas9-VRER TadA-TadA* NGCG 8  Tips for designing base editing experiments...
  14. New Neuroscience Tool: The iGluSnFR3 Glutamate Sensor

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    Blog Post
    ...kinetics which are illustrated in figures 2 and 3.  Figure 2: Glutamate titration curves for the different...iGluSnFR variants. Image adapted from Aggarwal et al…, Supplementary Figure 2.   Improved trafficking...signals upon sensing glutamate using both 1-photon and 2-photon imaging.   Figure 1: 1P and 2P excitation...SF-Venus-iGluSnFR.A184V, iGluSnFR3 v82, and iGluSnFR3 v857. Image adapted from Aggarwal et al., Figure 1   Increased... different iGluSnFR variants. Image adapted from Aggarwal et al…, Supplementary Figure 3.   ... PDGFR, GPI, and SGZ display constructs. Image adapted from Aggarwal et al… Figure 4. PDGFR is a C-terminal...
  15. Deep Mutational Scanning with One Pot Saturation Mutagenesis

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    Blog Post
    ... that results in a polymerase error rate of up to 2% per nucleotide position. The “sloppy” PCR reaction...modifications: 1) increased concentration of Taq polymerase, 2) increased PCR extension time, 3) increased concentration...to synthesize a complementary mutant strand (step 2 and 3). Then the uracil-labeled template strand is...restrict site matter? Most of the time no, but there are 2 instances where it does. 1) When the backbone vector...ExoIII. See the below figure for an example like this. 2) When your gene of interest has a BbvCI site(s). If...saturation mutagenesis method are 1) ease of use, 2) time savings, and 3) ability to perform single site...PMID: 23766324. PubMed Central PMCID: PMC4409680. 2. Mccullum, E. O., Williams, B. A., Zhang, J., & Chaput...
  16. Adenoviral Vector Production and Troubleshooting

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    Blog Post
    ...repeated multiple times (2-4 rounds) at increasing scale over the course of 1-2 weeks. Each round of amplification...creating adenoviral vector constructs. It consists of 2 plasmids: a shuttle vector (in which the transgene...Addgene’s Adenoviral Guide webpage, and references 1, 2.*Pro-Tip*: once the correct recombinant pAdV plasmid...sequenced to confirm its integrity. Initial production (2-3 weeks) - Here you’ll produce the primary recombinant...media will turn yellow. Do NOT change the media (add 2-3 mL of fresh media once a week), and do NOT harvest...it will result in very low titer. Amplification (1-2 weeks) - The rAdV-S is used to infect more HEK293 ...in a 10-100-fold increase in virus. Purification (2 days) - Purification is required if rAdV is to be ...
  17. Addgene's Top Blog Posts from 2020

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    Blog Post
    ...CRISPR to detect SARS-CoV-2, including many with plasmids deposited at Addgene! 2. DNA Purification Without...detection methods, synthetic nanobodies, SARS-CoV-2 protein expression, and more. We also highlighted ...empty backbones, fluorescent protein tags, SARS-CoV-2 plasmids, etc. It is our hope that by providing cloning...RNA and extracting RNA without a kit. 3. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas by ...protein family and they generate color! They've been adapted for many molecular biology methods such as allelic...
  18. Using AAV for Neuronal Tracing

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    ...Neuron 84(2), 292–309. PubMed PMID: 25374356. PubMed Central PMCID: PMC4269290. Masamizu, Y., Okada, T., Kawasaki...for retrograde transport has been found for AAV1, -2, -5, -7, -8 (Taymans et al., 2007), AAV1 (Hollis et... tropism and axonal transport of AAV serotypes 1, 2, 5, 6, 8 and 9 in the mouse brain. PLoS One 8:e76310...reveal novel hippocampal CA2 circuits. Nat Neurosci 17(2), 269–279. PubMed PMID: 24336151. PubMed Central PMCID...transduction efficiency of recombinant AAV serotypes 1, 2, 5 and 8 in the rat nigrostriatal system. J Neurochem...analysis of adeno-associated viral vector serotypes 1, 2, 5, 7 and 8 in mouse brain. Hum Gene Ther 18, 195–...retrograde access to projection neurons. Neuron 92(2), 372–382. PubMed PMID: 27720486. PubMed Central PMCID...
  19. IBEX Knowledge-Base: A Data Resource for Multiplex Tissue Imaging

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    ...imaging of diverse tissues. Nature Protocols, 17(2), Article 2. https://doi.org/10.1038/s41596-021-00644-9 ...   Figure 2: Screenshot showing reagent entries with associated metadata adapted from the Affinity...Human Biomolecular Atlas Program (HuBMAP) antibody metadata standards. And the dataset is rich. Experimental...
  20. Antibodies 101: Normalization and Loading Controls for Western Blots

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    ...the resulting fraction is reported. Figure 2: Normalization with loading controls. Under each lane...control band is weaker in condition 1 than condition 2, the normalized values for the two conditions are ...opposite change in your loading control. Assumption #2: The loading control can be accurately quantified ...significantly lighter in “condition 1” than “condition 2.” By eye, the loading control appears about the same...) are smaller than the analogous green “condition 2” points by the exact same value. For the two solid...consider a different loading control. Assumption #2: The loading control can be accurately quantified ...factors we’ve covered in our previous blog posts (1, 2) on western blotting. If the abundance of your POI...
Showing: 21 - 40 of 250 results