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We narrowed to 1,045 results for: STI;

Showing: 41 - 60 of 1045 results
  1. Lentivirus ddPCR Titration

    Type
    Protocol
    ...ensure that you are in compliance with your institution’s biosafety regulations. Last Update: July 7, ... µg/mL. Mix well and incubate 72 h. Benzonase Digestion and Cell Harvest Gently aspirate media from the... When analyzing data there should be a clear distinction between negative droplets (black) and positive...
  2. Promoters

    Type
    Guide
    ...to drive constitutive or inducible expression. Promoter Expression Description T7 Constitutive Promoter...polymerase Sp6 Constitutive Promoter from Sp6 bacteriophage; requires Sp6 RNA polymerase lac Constitutive Promoter...tryptophan operon Ptac Constitutive Hybrid promoter of lac and trp; constitutive in the absense of lac ...Drosophila Polyhedrin Constitutive Insect Strong promoter from baculovirus CAG Constitutive Mammalian Strong...promoter CMV Constitutive Mammalian Strong promoter from human cytomegalovirus EF1a Constituitve Mammalian... alpha PGK Constitutive Mammalian Promoter from phospholycerate kinase gene U6 Constitutive Mammalian ...) CaMV35S Constitutive Plant Strong promoter from Cauliflower Mosaic Virus Ubi Constitutive Plant High-expression...
  3. Molecular Cloning Techniques

    Type
    Guide
    ...oligonucleotide stitching, in which pieces of DNA that share no homology ends can still be fused in a seamless...Ligation Independent Cloning Yeast-Mediated & Oligo Stitching Resources Molecular cloning, or the creation of...containing precise 5' or 3' single-strand overhangs (sticky ends), or no overhang (blunt ends). Two pieces ...is done via a single recombination reaction, drastically simplifying the process and reducing the amount...rapidly shuttled into any compatible Gateway destination vector, which contains attR sites, via LR clonase...bacterial recombination to easily move it into any destination plasmid that fits your experimental goal. Although... Gateway donor , Gateway entry , and Gateway destination vectors with different promoters, tags, selection...
  4. Antibody Guide

    Type
    Guide
    ...fluorophores to distinguish between cells. Most flow experiments will use one marker to distinguish between live... Minibodies are engineered antibody fragments consisting of two scFvs bound to a CH3 domain. Fab fragments...measurable light or color in response to a specific stimulus, can be conjugated to antibodies in order to allow...machine or by X-ray film. HRP cannot be used to distinguish between different antibodies in the same reaction...the number of signaling molecules that can be distinguished in your application. The indirect detection ...molecule to epitope ratio. Secondary antibodies can distinguish between different species of origin, isotypes...between DNA and protein. Micrococcal nuclease digestion is used to shear the DNA in these assays. This...
  5. Optogenetics Guide

    Type
    Guide
    ...the other half to CIB1, light-stimulated heterodimerization can reconstitute the protein. This principle...examples of relevant variants. This list is not exhaustive — please browse our Optogenetics Plasmid Collection...neurons upon exposure to light through direct stimulation of ion channels. Naturally occurring channelrhodopsins... nonspecific cation influx into the cell when stimulated. Channelrhodopsin-2 (ChR2), the first widely ...domains from two different ChRs. These ChR variants still function as light-gated, cation channels resulting...Chronos High-speed, light-sensitive channel from Stigeoclonium helveticum 500 Chrimson, ChrimsonR Red-light...population, or activate different neural populations at distinct times. Temporal considerations Temporal precision...
  6. CRISPR Guide

    Type
    Guide
    ...PMID: 25398340 Walton, R. T., Christie, K. A., Whittaker, M. N., & Kleinstiver, B. P. (2020). Unconstrained...Publications CRISPR Overview Bacteria have an interesting adaptive immune response that detects and eliminates...DNA with no homology elsewhere in the genome. Realistically, most gRNA targeting sequences will have additional..., a large portion of the Cas9-induced DSBs will still be repaired via NHEJ. The resulting population of...integrase landing site ( attB ) and the other to stimulate DNA repair. This can result in more efficient ...activity. Knockout libraries often target 5′ constitutively expressed exons, while activation and repression...repression, many CRISPR epigenetic tools require constitutive expression of the dCas9 fusion and/or expression...
  7. Plan Your Experiment

    Type
    Guide
    ...have a biological question in mind. Then you can decide how to answer that question using genetic manipulation...efficiency. So while testing multiple gRNAs is a good idea for most CRISPR experiments, testing multiple pegRNA...your specific application. Knockout : Target constitutively expressed regions, 5’ exons, or an exon known...protocol associated with the specific plasmid in question (see CRISPR protocols from Addgene depositors ...choosing a validation method, ask yourself some questions: Does the resulting population need to be identical... insertions/deletions Very inefficient Can't distinguish specific edits PCR Knockouts Large insertions...Insertions/deletions Prime and base edits HDR Can distinguish between homozygous and heterozygous edits High...
  8. Chemogenetics Guide

    Type
    Guide
    ... Human M3 muscarinic Arrestin-2/-3 CNO* Increase Arrestin translocation Arrestin signalling Nakajima &...vivo and the receptors exhibited high levels of constitutive activity, making them less than ideal. DREADDs...insensitivity to endogenous ligands, have low constitutive activity, and their activating ligands have ...G-protein and activate neuronal firing through stimulating phospholipase C, which releases intracellular...This DREADD was shown to have a small amount of constitutive activity, and is not widely used. There is also... also a DREADD that couples to β-arrestin to activate noncanonical GPCR signaling independent of G proteins..., M. E., Lu, D., Barter, J. W., Rossi, M. A., Augustine, G. J., Yin, H. H., & Hochgeschwender, U. (2016...
  9. Protocol - How to Purify DNA from an Agarose Gel

    Type
    Protocol
    ...for your eyes!), remove it from any gel tray as plastic will block much of the UV and with a clean, sterile... gel on a glass plate if available. Unlike the plastic tray, this will not significantly reduce the UV...
  10. Protocol - How to Perform Sequence Analysis

    Type
    Protocol
    ...Plasmid You may also like... How to Design a Primer Diagnostic Restriction Digest Introduction Sequence verification...the peaks in the area and make sure they are justifiable peaks. For instance, in the trace file below...
  11. Ligation Independent Cloning

    Type
    Protocol
    ...recognition sequence. This can create multiple distinct overhangs with a single enzyme, and remove the...now look like this: Note: Elute your purified digestion and PCR products with sterile water (instead of...
  12. Centrifugation

    Type
    Protocol
    ...been placed in the centrifuge before you and may still be on the equipment. Before using the centrifuge...centrifuge. Immediately stop the centrifuge and investigate the issue. When you are finished spinning your...
  13. Adenovirus Guide

    Type
    Guide
    ...with certain cloning methods (such as a Gateway destination vector), so be sure to confirm your chosen plasmid...creating first-generation rAdV vectors, which is still the most commonly used generation for research purposes...greater ability to avoid vector-neutralizing pre-existing immunity. Pseudotypes Pseudotyping is the process...developed a serotype-specific immune response. Preexisting immunity lowers viral vector uptake and transgene...vectors are also being used in cancer therapy to stimulate anti-tumor immune response in different ways, ...high titers for their use in experiments. Needle sticks and ripped gloves are common points of entry. Biosafety...office can provide more information on your institution's best practices with regard to AdV research. ...
  14. Lab Safety for Biosafety Levels One and Two

    Type
    Protocol
    ...BSL-2). The purpose of the four levels is to distinguish between different types of hazards and to provide...with additional precautions to prevent injuries, ingestion, and exposures to hazardous materials. Video Watch...
  15. Lentiviral Vector Guide

    Type
    Guide
    ...the required components have been separated into distinct plasmids for safety. For a summary of all lentiviral...replicate on their own. While the viral components are still separated on different plasmids, the viral genome...with certain cloning methods (such as a Gateway destination vector), so be sure to confirm your chosen plasmid...knowing the general preference for integration, it is still random and difficult to predict. In therapeutic ...particles. However, VSV-G is toxic under long-term, constitutive expression. In order to make stable cell lines...contact to mucous membranes or broken skin. Needle sticks and ripped gloves are common points of entry. Biosafety...office can provide more information on your institution's best practices with regard to lentiviral-related...
  16. Adeno-associated virus (AAV) Guide

    Type
    Guide
    ...with certain cloning methods (such as a Gateway destination vector), so be sure to confirm your chosen plasmid...occur, although at a low frequency which has been estimated to range from 0.01% to 3% depending on cell type...for the treatment of other major diseases such as cystic fibrosis and cancer. Neuronal Tracing Recombinant... splice site donor and acceptor sequences to reconstitute the two pieces of the transgene. The first vector...delivery of larger transgenes, but expression is still much less efficient than with a single rAAV vector...contact to mucous membranes or broken skin. Needle sticks and ripped gloves are common points of entry. Biosafety...office can provide more information on your institution's best practices with regard to AAV-related research...
  17. Gamma-Retroviral Vector Guide

    Type
    Guide
    ...these required components have been separated into distinct plasmids for safety to reduce the chance of creating...with certain cloning methods (such as a Gateway destination vector), so be sure to confirm your chosen plasmid...particles. However, VSV-G is toxic under long-term, constitutive expression. In order to make stable cell lines...contact to mucous membranes or broken skin. Needle sticks and ripped gloves are common points of entry. Biosafety...office can provide more information on your institution's best practices with regard to gamma-retroviral-related...10.3390/v13081471 PMID: 34452336 Schnierle, B. S., Stitz, J., Bosch, V., Nocken, F., Merget-Millitzer, H....Some newer plasmids use a hybrid 5' LTR with a constitutive promoter such as CMV or RSV. 3' LTR in cis Terminates...
  18. Molecular Biology Reference

    Type
    Guide
    ...thousand base pairs from the entire human genome. Digesting the human genome with restriction enzymes would...are now used for a variety of studies used to investigate promoters, small RNAs, and other genetic elements...enabling easy insertion of DNA by restriction enzyme digestion and ligation. As a general rule, the restriction...gram-negative, rod-shaped bacteria naturally found in the intestinal tract of animals. There are many different naturally...over multiple generations. It is important to distinguish that the antibiotic resistance gene is under ...with a different fluorophore so they can be distinguished from one another. These tagged dNTPs also lack...is not 100% efficient and the machine cannot distinguish between the four labeled nucleotides, or in biologically...
  19. Biosensor AAV Preps

    Type
    Collection
    ...iAChSnFR none Constitutive 1 Loren Looger 137955 pAAV.CAG.iAChSnFR CAG iAChSnFR none Constitutive 1, 9 Loren...none Constitutive 1, 9 Loren Looger 179254 AAV-CAG-jGCaMP8f-WPRE CAG jGCaMP8f none Constitutive 1, 9, ...none Constitutive 1, 9 Loren Looger 179256 AAV-CAG-jGCaMP8s-WPRE CAG jGCaMP8s none Constitutive 1, 9, rg... CN4871) minBG RiboL1-jGCaMP8s none Constitutive 1 Allen Institute for Brain Science , Jonathan Ting Calcium...none Constitutive 1, 5, 9 Loren Looger 176757 AAV-EF1a-jGCaMP8m-WPRE EF1a jGCaMP8m none Constitutive 1, 9...none Constitutive 1 Lin Tian 112000 pAAV-hSynapsin1-axon-GCaMP6f Syn axon-GCaMP6f none Constitutive 1 Lin...none Constitutive 1 Oliver Griesbeck 173044 AAV-Camk2-NES-Twitch-GR CamKII Twitch none Constitutive 2 Yiyang...
  20. Control AAV Preps

    Type
    Collection
    ...gfaABC1D tdTomato Constitutive 5 Baljit Khakh 50465 pAAV-hSyn-EGFP hSyn EGFP Constitutive 1, 2, 5, 8, 9, ...tdTomato Constitutive 5 Hongkui Zeng 58909 pAAV-GFAP104-mCherry GFAP104 mCherry Constitutive 5 Edward ...PI.eGFP.WPRE.bGH GFA104 EGFP Constitutive 5 Philip Haydon 104055 pAAV-CAG-eYFP CAG EYFP Constitutive 2, 5, rg*, PHP....NLS-GFP Constitutive PHPeB Viviana Gradinaru 116869 pAAV-CAG-H2B-GFP CAG H2B-GFP Constitutive rg* Loren...H2B-tdTomato Constitutive rg* Loren Looger 105530 pAAV.CMV.PI.EGFP.WPRE.bGH CMV EGFP Constitutive 1, 2, 5,...ffLuciferase Constitutive 8 James M. Wilson 105534 pAAV.TBG.PI.LacZ.bGH TBG LacZ Constitutive 8 James M....TBG None Constitutive 8 James M. Wilson 105539 pAAV.hSyn.eGFP.WPRE.bGH Syn EGFP Constitutive 1 James M...
Showing: 41 - 60 of 1045 results