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Showing: 41 - 60 of 439 results
  1. A Practical Guide to Optimizing AAV DIO and FLEx Vector Expression

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    Blog Post
    ...mitigation with cross-over insensitive ATG-out vectors. Proc Natl Acad Sci USA 116:27001–27010. https://doi.org...one of lox2272 sites will now be sandwiched between 2 loxp sites and is excised by Cre (Figure 1). This ...flank the transgenes (non-homologous pairs) (Figure 2.). They found that almost all off-target expression...exercise caution when using them.    Figure 2. Schematic diagram showing the mechanism of spontaneous... Tropism and Axonal Transport of AAV Serotypes 1, 2, 5, 6, 8 and 9 in the Mouse Brain. PLoS ONE 8:e76310... Pseudotyped with Viral Capsids from Serotypes 1, 2, and 5 Display Differential Efficiency and Cell Tropism...
  2. Plasmids 101: Degron Tags

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    Blog Post
    ...complete degradation of proteins in mammalian cells. Proc Natl Acad Sci U S A. 2012 Dec 4;109(49):E3350-7....required components are 1) a SMASh-tagged protein and 2) asunaprevir (small molecule). dTAG The degradation...gone through an additional round of evolution (AID-2) to reduce some of the leakiness associated with the...
  3. Antibody Production

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    Collection
    ...for shipping stability by incubating at 37 °C for 2 weeks, freezing at -80 °C, thawing on ice, and then...antibody production methods and quality control processes for purified recombinant antibodies. Antibody...
  4. Luciferase Plasmid Collection

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    Collection
    ...fusing NanoLuc® and Venus fluorophore to Troponin C Ca 2+ binding domain. Nano-lanterns , Enhanced Nano-lanterns...transfection Feng Zhang 21471 pLenti PGK V5-LUC Neo (w623-2) Firefly PGK Lentiviral expression of firefly luciferase...BRET-based in vivo imaging of multiple cellular processes, biosensors, or optogenetic tools . pcDNA3.1+-...used for screening of transformants in cloning process. Lynne Postovit 119760 pSGDlucV3.0 Firefly/Renilla...
  5. INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons

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    Blog Post
    ...Recruitment of CRISPR-Cas systems by Tn7-like transposons. Proc Natl Acad Sci USA 114:E7358–E7366 . https://doi....et al., 2020). Genomic targets require an upstream 2-bp PAM sequence for recognition by QCascade; although...cells of the plasmid after integration. Figure 2: (A) Streamlined VchINT expression constructs. (B)...genomic target site bound by QCascade (Fig. 1B). The process also creates a 5-bp target-site duplication (TSD...
  6. Tips for Screening with Yeast Two Hybrid Systems

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    Blog Post
    ...systematic studies of membrane protein interactions. Proc Natl Acad Sci U S A. 2004; 101(33):12242–12247. ...retain their individual activities when separated (2), and that DBD and TAs from different systems could... Enzymol. 1983;100:293-308. PubMed PMID: 6312261. 2. Keegan, L., Gill, G., and Ptashne, M. Separation ...
  7. K. phaffii: Rising to the Occasion

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    Blog Post
    ...genomics of biotechnologically important yeasts. Proc. Natl. Acad. Sci., 113, 9882-9887. DOI: 10.1073/...work with Grows extremely fast (doubling time of ~ 2 hours) Amenable to genetic manipulation The first...
  8. Luminescent Imaging with Nano-lanterns

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    Blog Post
    ... for real-time multicolor luminescence imaging.” Proc Natl Acad Sci U S A 112(14) (2015): 4352-6. PMID...improve the brightness of previous Nano-lanterns by 2-4 fold and permit five-color fluorescent imaging! ...activation, you can’t use fluorescence to monitor processes directly affected by light. Long-term light exposure...
  9. pCXLE toolkit: Efficient episomal plasmid-based method to reprogram peripheral blood cells to iPSCs

    Type
    Blog Post
    ...direct reprogramming by transformation-deficient Myc. Proc Natl Acad Sci U S A, 2010. 107(32): p. 14152-7. ...blood are reprogrammed immediately after collection [2]. PBMCs display unique epigenetic signatures that ...PMID: 27882265. PubMed Central PMCID: PMC5118044. 2. Kim, Y., et al., The Generation of Human Induced ... to the process of collecting fibroblasts, which require a more invasive skin biopsy procedure. This becomes...measures, thereby increasing the costs of the procedure. Episomal reprogramming is an ideal and cost-effective...
  10. Using AAV for Neuronal Tracing

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    Blog Post
    ...neurons with vesicular stomatitis virus vectors. Proc Natl Acad Sci USA 108, 15414–15419. PubMed PMID:...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... Mechanisms of Motility and Regulation. Neuron 84(2), 292–309. PubMed PMID: 25374356. 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–...
  11. 28 Hot Plasmid Technologies from 2015

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    Blog Post
    ...507-17. 10.1016/j.chembiol.2012.02.006. 2 Guntas et al., Proc Natl Acad Sci USA 2015 Jan 6; 112(1):112... the genome of your favorite cells. Ma et al., Proc Natl Acad Sci U S A. 2015 Mar 10;112(10):3002-7....precision in a native context. Chatterjee A et al. Proc Natl Acad Sci U S A. 2013 Jul 16;110(29):11803-8... Zetsche et al., Nat Biotechnol. 2015 Feb 2;33(2):139-42. doi: 10.1038/nbt.3149. Light-inducible ...and on your favourite signalling pathways (Figure 2). They are all available now at Addgene. 1 Lungu...Nihongaki et al., Chemistry and Biology. 2015 Feb 19; 22(2):169-74. High efficiency cloning for enzyme screening...inducible, gene knockdown with shRNA or shRNA-miR30, (2) tamoxifen-inducible CreERT2 gene deletion, (3) simultaneous...
  12. Why and how to start studying chromatin (with Addgene's help)

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    Blog Post
    ...immunohistochemical reagents. Yamagata M, Sanes JR Proc Natl Acad Sci U S A. 2018 Feb 13. pii: 1722491115...JS, Legube G, Miller KM Genes Dev. 2015 Jan 15;29(2):197-211. DNA Cross-Bridging Shapes a Single Nucleus...would become busy and potentially detract from the process being depicted, we can’t forget that those other...plasmids through Addgene, don’t hesitate to start the process! Addgene depositors who study chromatin The PIs...
  13. Viral Vectors 101: Viruses as Biological Tools

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    Blog Post
    ...immunodeficiency virus type 1 preintegration complexes.” Proc. Natl. Acad. Sci. U.S.A. 89 (1992) 6580–6584. PubMed...PubMed PMID: 8491198. PubMed Central PMCID: PMC413431. 2. Bukrinsky MI, et al. “Active nuclear import of human...
  14. Back to Bacteria: CRISPR gRNA Multiplexing Using tRNAs

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    Blog Post
    ...with the endogenous tRNA-processing system. Xie K, Minkenberg B, Yang Y. Proc Natl Acad Sci U S A. 2015...3570-5. doi: 10.1073/pnas.1420294112. Epub 2015 Mar 2. PubMed. Find the plasmids from this publication ...conserved cellular machinery to process gRNAs. Hijacking tRNA processing to make gRNAs In a recently published...in rice plants. Yang was intrigued by the tRNA processing machinery present in almost every living organism...gRNAs with any 5’ leading nucleotide could be processed, a distinct advantage over other methods that ...is its universality; robust and efficient tRNA processing is common to prokaryotes and eukaryotes. Though...
  15. To Each HIS Own

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    Blog Post
    ...protein expressed by recombinant vaccinia virus. Proc Natl Acad Sci U S A. 1991;88(20):8972-6. Moks T,...take care when using this method.      Fig 2:  A, The polyhistidine tag is a string of histidine...
  16. Chemogenetics Guide

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    Guide
    ...receptors potently activated by an inert ligand. Proc Natl Acad Sci USA. 104:5163–68. PMID: 17360345 (...and biological light sources for opsin activation. Proc Natl Acad Sci USA. 113:E358-67. PMID: 26733686 (...with a specifically designed Gi-coupled receptor. Proc Natl Acad Sci USA. 95:352–57. PMID: 9419379 (Link...G protein regulation of β cell function in vivo. Proc Natl Acad Sci USA. 106:19197–202. PMID: 19858481...muscarinic receptor and has not been used in vivo . Figure 2: DREADDs, their ligands, and signaling properties.... Reference Rq(R165L) Human M3 muscarinic Arrestin-2/-3 CNO* Increase Arrestin translocation Arrestin signalling...hM1Dq hM5Dq Human M3 muscarinic G αq CNO* Increase Ca 2+ Neuronal burst firing Armbruster et al., 2007 rM3D...
  17. 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 ... traditional, QC process. While this has worked well for the early sets of SARS-CoV-2 materials, it will...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...
  18. Zhang Lab's CRISPR Frequently Asked Questions

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    Collection
    ...extraction solution, runs the protocol, then uses around 2-4ul in each 50ul PCR reaction. The gDNA extracted ...facilitate the processing of the crRNA) is also expressed from a separate promoter. In the pre-processing form,...construct from our 'Split RNA' design, where the pre-processing form of crRNA is expressed and a tracrRNA (the...in cell and with Cas9 and tracrRNA, it will be processed (i.e., cleaved) into a shorter form that contains...our 'Chimeric RNA' design (meaning the mature processed form of crRNA is fused chimerically to a mature...
  19. 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...
  20. Viral Vectors 101: Virus Safety

    Type
    Blog Post
    ...cancer. These viruses need to be handled in a BSL-2 (or BSL-2+) lab and require additional safety measures.... BSL-1. In BSL-2 labs, eye protection is required any time you have to work with BSL-2 materials, such...respiratory diseases in humans, earning this virus a BSL-2 classification. Lentivirus (a type of retrovirus) ...recommended or required in BSL-1 and required in BSL-2 labs. When working with lentivirus, many organizations...sprayed into the air. For lentivirus and other BSL-2 materials, you’ll need to use aerosol-tight caps, ...percentage of the decontaminate to be used for BSL-2 waste, and of course, if you are working with a substance...plasmid (packaging plasmid). Viral production then proceeds by transfection of all three plasmids into a producer...
Showing: 41 - 60 of 439 results