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We narrowed to 618 results for: abo.2

Showing: 601 - 618 of 618 results
  1. Protocol - How to Design Primers

    Type
    Protocol
    ...-24 bases 40-60% G/C content Start and end with 1-2 G/C pairs Melting temperature (Tm) of 50-60°C Primer...amplification process. When designing, if unsure about what nucleotide to put at a certain position within...capabilities. Taking into consideration the information above, primers should generally have the following properties...
  2. Optogenetics Guide

    Type
    Guide
    ...influx into the cell when stimulated. Channelrhodopsin-2 (ChR2), the first widely adopted optogenetic tool,... (Phy) interaction 660 Cryptochromes Cryptochrome 2 and CIB1 Blue-light–mediated induction of protein ...interactions based on Arabidopsis thaliana cryptochrome 2 and CIB1 450 LARIAT Inhibits protein function by reversibly...customizable TALE DNA-binding domain with cryptochrome 2 protein and its interacting partner CIB1 to control...transcription effectors OPTOSTIM PHR domain2 of cryptochrome 2 (Cry2) from Arabidopsis thaliana is fused to truncated...control of biological systems. Nat Rev Methods Primers, 2 , 55. https://doi.org/10.1038/s43586-022-00136-4 PMID... with single-spike temporal resolution. PloS One, 2 (3), e299. https://doi.org/10.1371/journal.pone.0000299...
  3. Modular Cloning Guide

    Type
    Guide
    ...assembled into a Level 2 vector, forming a functional genetic circuit. Level 2 vectors are often designed...of three sets of cloning vectors (Level 0, 1, and 2) which can be used in successive assembly steps. Before... iterations of assembly. Combining multiple Level 2 vectors permits the creation of even more complex ... 16 RBS strength variants, 8 tag-compatible RBSs, 2 secretion tags, 6 CDSs, 9 terminators, 4 nonfunctional...of multigene constructs. PLoS One . 2011 Feb 18;6(2):e16765. doi: 10.1371/journal.pone.0016765. PMID: ...Learn about modular cloning (MoClo) and find MoClo kits deposited with Addgene, including the MoClo Toolkit...building synthetic genetic circuits, engineering metabolic pathways, assembling gene-editing tools, and more...
  4. Adenovirus Guide

    Type
    Guide
    ...use of pAdEasy-2 (Addgene #16401) can increase the capacity of the rAdV vector. pAdEasy-2 does not contain... incorporate additional genomic deletions. Figure 2: First-generation rAdV vectors. Created with BioRender.com...and have to be handled at biosafety level two (BSL-2). They are highly immunogenic and can trigger a strong...era of personalized medicine . Genes & Diseases, 4 (2), 43–63. https://doi.org/10.1016/j.gendis.2017.04.001...adenoviruses using the AdEasy system . Nature Protocols, 2 (5), 1236–1247. https://doi.org/10.1038/nprot.2007.135...Adenoviral vector vaccine platforms in the SARS-CoV-2 pandemic . NPJ Vaccines, 6 (1), 97. https://doi.org...Adenoviral backbone plasmid that lacks E1 and E3. pAdEasy-2 Adenoviral backbone plasmid that lacks E1, E3, and...
  5. Chemogenetics Guide

    Type
    Guide
    ...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...channels, their effect, and outcome in neurons. Table 2: Descriptions of PSAMs and their activity in neurons...FRET-modified bioluminescence. Neurophotonics 11 (2), 021005. https://doi.org/10.1117/1.NPh.11.2.021005...improved coupling efficiencies. Neurophotonics, 11 (2), 024208. https://doi.org/10.1117/1.NPh.11.2.024208.... However, CNO is back-metabolized to clozapine and other clozapine metabolites and these can have off-target...
  6. Plasmid Cloning by Restriction Enzyme Digest (with Protocols)

    Type
    Protocol
    ...DNA concentration alone. One method is to conduct 2 ligations for each plasmid you are trying to create...Information about plasmid cloning by restriction enzyme digest (subcloning), including design and experimental...window) New England Biolabs for more information about restriction enzyme buffers). If you select enzymes...
  7. Lentiviral Vector Guide

    Type
    Guide
    ...intact. First-generation plasmids include (Figure 2): Transfer plasmid — contains transgene and wild-type...envelope removed Envelope plasmid — contains env Figure 2: First-generation lentiviral plasmids. Created with...plasmid 1 — contains gag and pol Packaging plasmid 2 — contains rev Envelope plasmid — contains env Third-generation...The inside out of lentiviral vectors. Viruses , 3 (2), 132–159. https://doi.org/10.3390/v3020132 PMID: ...Infectivity and Integration Targeting. PLoS ONE , 2 (12), e1340. https://doi.org/10.1371/journal.pone.0001340...features of lentiviral vectors. Human Gene Therapy , 24 (2), 132–142. https://doi.org/10.1089/hum.2012.229 PMID...Read our lentiviral guide to learn about lentiviral components, generations, lentiviral production, and...
  8. CRISPR Guide

    Type
    Guide
    ...Browse Plasmids: Double-Strand Break (Cut) Figure 2: Overview of the NHEJ repair mechanism. Multiplex ...systems enable researchers to target anywhere from 2–7 genetic loci by cloning multiple gRNAs into a single...Cas9 is included in the gRNA-containing plasmid, or 2-vector systems, in which Cas9 must be delivered separately...your experimental cell population (Figure 8E). In a 2-vector system, you’ll need to either co-infect with...the presence of infectious organisms (like SARS-CoV-2 ) and genetic mutations. Similar to Cas9 and Cas12...Cas enzymes? CasPEDIA is an encyclopedia of Class 2 CRISPR systems with wiki entries describing enzyme...off-target effects by using a single Cas9 nickase and 2 different gRNAs, which bind in close proximity on ...
  9. Adeno-associated virus (AAV) Guide

    Type
    Guide
    ...components, see the AAV Plasmid Elements table . Figure 2: Plasmids required for rAAV vector production. Created... pseudotyped with viral capsids from serotypes 1, 2, and 5 display differential efficiency and cell tropism...the central nervous system . Molecular Therapy, 10 (2), 302–317. https://doi.org/10.1016/j.ymthe.2004.05.024...the production of AAV vectors . Microorganisms, 12 (2), 384. https://doi.org/10.3390/microorganisms12020384...retrograde access to projection neurons . Neuron, 92 (2), 372–382. https://doi.org/10.1016/j.neuron.2016.09.021...our adeno-associated viral vector guide to learn about AAV vector components, production and common uses...E2a and VA for replication. For more information about adenovirus, read our Adenoviral Vector Guide . Recombinant...
  10. Plan Your Experiment

    Type
    Guide
    ...components (Figure 2), and the optimal system will likely depend on your cell type. Figure 2: Different delivery...either (1) a lack of gRNA and/or Cas9 expression or (2) a lack of efficient target cleavage in cells that...CRISPR-Based genome editing. Trends in Biotechnology , 36 (2), 173–185. https://doi.org/10.1016/j.tibtech.2017.11.006...exon coding for an essential protein domain could abolish protein activity and essentially function as a ...reference sequence you used for gRNA design. Read more about how to design your gRNA . Synthesize and Clone Desired... other downstream methods. For more information about viral vectors and their production, see our viral...and Proteins In addition to the methods described above, you can also directly deliver mature mRNA or purified...
  11. Antibody Guide

    Type
    Guide
    ...peptide linkers. Diabodies can be used for assembling protein nanostructures. Figure 2: An antibody (IgG...cells; function is unknown Monomer with a valency of 2 IgE Protects against parasites and is responsible ...such as anaphylactic shock Monomer with a valency of 2 IgG The most abundant isotype in blood, also found...secondary immune response Monomer with a valency of 2 IgG1; IgG2; IgG3; IgG4 IgM Produced during the primary... ranging from antibody fragments (shown in Figure 2) to completely unrelated molecules. Examples include...are often used in clinical applications. Diabodies - Diabodies contain two Fab fragments, each recognizing...cells isolated from animals immunized as described above are used to create hybridomas, which produce large...
  12. Guide to Using Pooled Libraries

    Type
    Guide
    ...types: positive screens and negative screens (Figure 2). Both types of screen employ a selection method relevant...planning to conduct a pooled library screen. Figure 2: A simplified outline for using lentiviral gRNA libraries...simultaneously in a single reaction. As discussed above, access to this technology is crucial for conducting...
  13. Promoters

    Type
    Guide
    ...positions from the transcription start site (TSS) (Figure 2). The Pribnow box (TATAAT) is located at the -10 position...recognizes different core promoter sequences. Figure 2. Basic structure of a bacterial promoter. TSS = transcription...Learn about bacterial and eukaryotic promoters, including transcription and the transcription complex...your gene of interest is expressed. Promoters are about 100–1,000 base pairs long and are adjacent and typically...Inducible by arabinose Promoter of the arabinose metabolic operon trp Repressible by tryptophan Promoter ...
  14. Plasmid Cloning by PCR (with Protocols)

    Type
    Protocol
    ...DNA concentration alone. One method is to conduct 2 ligations for each plasmid you are trying to create...Background In its simplest form, PCR based cloning is about making a copy of a piece of DNA and at the same ...
  15. Science Guides

    Type
    Guide
    ...specific control of activity. Read More CRISPR Class 2 C lustered R egularly I nterspaced S hort P alindromic...the following guides to help you start learning about various scientific concepts related to our plasmid...Viral Vectors Find educational guides to learn more about the different types of viruses that are commonly...
  16. Gamma-Retroviral Vector Guide

    Type
    Guide
    ...gamma-retroviral vectors, you need three plasmids (Figure 2): Transfer plasmid — contains transgene, sgRNA, or...for different cell types (known as tropism). Figure 2: Gamma-retroviral plasmids. Created with BioRender.com...Read our gamma-retroviral guide to learn about gamma-retroviral components, retroviral production, and...gamma-retroviral vectors that can be safely used in laboratory settings. These engineered gamma-retroviral vectors...of plasmids, as lentiviral vectors do. For more about lentiviruses, see Addgene's lentiviral vector guide...increased safety when producing viral vectors in a laboratory setting. Figure 1: Wild-type gamma-retrovirus...packaging methods . The three plasmids described above (envelope, packaging, and transfer) are co-transfected...
  17. Molecular Biology Reference

    Type
    Guide
    ...unique restriction enzyme recognition site (Figure 2). These elements allow for the propagation of the ...elements are summarized in the table below. Figure 2: General structure of a plasmid. Plasmid Element Description...Learn about the basics of molecular biology, including molecular genetics, plasmids, sequencing, and ...human genome with restriction enzymes would yield about two million DNA fragments, which is far too many...can be replicated easily and efficiently in a laboratory setting. Are stable — Plasmids are stable long-term...endogenous expression levels. For more information about promoters, check out our promoters reference page... the birth of molecular genetics. To learn more about different types of cloning methods, check out our...
  18. Molecular Cloning Techniques

    Type
    Guide
    ...Read more in our Gateway Cloning blog post . Figure 2: Summary of Gateway cloning. Created with BioRender.com...Learn about different molecular cloning techniques, focusing on seven common cloning methods. Educational...
Showing: 601 - 618 of 618 results