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We narrowed to 852 results for: Tat

Showing: 121 - 140 of 852 results
  1. Microbiology Resources

    Type
    Collection
    ...solanacearum species complex (Rssc) gene knockout and complementation constructs - Lahaye Lab Vaccinia virus ORF ...
  2. Distribution to Industry

    Type
    Collection
    ...Library name Type PI Description HR700_TP53 Exon Mutation Libraries CRISPR Thorsten Stiewe Use these donor...
  3. Worm Expression Resources

    Type
    Collection
    ...Seydoux lab website . Co-CRISPR plasmids that facilitate detection of genome-editing events. Developed...
  4. Promega Plasmid Collection

    Type
    Collection
    ...Link opens in a new window) is a structural complementation reporter system composed of a Large BiT (LgBiT...
  5. Open Enzyme Collection

    Type
    Collection
    ...Reverse Transcriptase (RNAse H deactivated by 3 mutations) 165556 pOpen-MMLV_RT (lack H) Moloney Murine ...
  6. AAV Molecular Tools

    Type
    Collection
    ... microtubule-associated protein tau with P301L mutation. 1 Tsuneya Ikezu 200777 AAV-HAPLN1 hSyn-driven...
  7. CRISPR Plasmids - Tagging

    Type
    Collection
    ...systematic and scalable method to create marker-free mutations, insertions, and deletions at any locus in C. ...
  8. Optogenetics AAV Preps

    Type
    Collection
    ...plasmids available in Addgene's collection. Opsin Excitatory Wild-type ChR2 ChR2/H134R soCoChR ChR2/other ...
  9. 3 Tips to Improve HDR Efficiency for CRISPR Editing in Human Cells

    Type
    Blog Post
    ...blocking mutation. Despite the fact that both the blocking mutation and our intended mutation were on ...or heterozygous mutations. 1. Increasing HDR accuracy with CRISPR/Cas-blocking mutations After genome editing...sequence. The idea was that these “blocking mutationsmutations prevent CRISPR from re-cutting the target...blocking mutations? This depends entirely on the locus you are editing, and if the blocking mutation needs...intended mutation while taking advantage of the improved efficiency provided by blocking mutations. Essentially...cut site to mutation distance and editing efficiency.   3. Optimizing "cut-to-mutation distance" for... Alzheimer mutations we study are heterozygous in patients. As the probability of mutation incorporation...
  10. Site Directed Mutagenesis by PCR

    Type
    Blog Post
    ...applies to plasmids, but may also facilitate genome editing. Tailored mutations are commonly introduced to endogeneous...brief, point-mutations can be introduced to plasmids using primers (with the desired mutation) in a PCR ...mutagenesis vastly facilitates the subsequent process of screening for succesfully mutated clones. Forward...introduction of specifically designed mutations (not limited to frame shift mutations). Consequently, site directed...restriction sites), in mapping of regulatory elements (to mutate promoters/enhancers in reporter constructs), in...high homology to the endogenous target, yet to facilitate the repair, the template should be resistant ...template, site-directed mutagenesis can be used to mutate the PAM sequence (an NGG sequence critical for ...
  11. Fluorescent Proteins 101: Photoactivatable Fluorescent Proteins

    Type
    Blog Post
    ...photoswitched from a dark state to a bright fluorescent state (“kindling”), and from a bright state to a dark non-...be activated from low fluorescent states to high fluorescence states, they can change from one fluorescent...switched on from a state of dim or no fluorescence, to a brighter fluorescent state by exposure to a specific...Padron is photoconverted from a dark state, to an activated state, emitting bright green fluorescence.... and ability to switch from a dark state to a red fluorescent state make them useful for 2-color imaging...from Jellyfish (Aequorea victoria) GFP (wtGFP) by mutating Threonine 203 to Histidine (T203H) (1). wtGFP ...chromophore which contribute to the 2 peaks of wtGFP’s excitation spectrum- a major 397 nm peak and minor 475 nm...
  12. Antibodies 101: Designing Your First Flow Panel

    Type
    Blog Post
    ...within atoms to a higher energy state. This process is called excitation. After a short period, the electrons...lower energy state, whereby a photon is emitted. This step is called emission. During excitation, some of ...speak of excitation and emission spectra. Both spectra possess clear maxima where excitation and emission... to the global maximum of PE's excitation spectrum where the excitation efficiency is much greater. As...signal.   Figure 2: Excitation and emission spectra for PE. The excitation spectrum shows two maxima...While APC's global excitation maximum lies around 650 nm, APC-Cy7's global excitation maximum is about ... Figure 3: Excitation and emission spectra for APC and APC-Cy7. While the excitation spectra of both...
  13. Targeted Mutagenesis with EvolvR

    Type
    Blog Post
    ...culture, so bacteria must be grown in a turbidostat. Only mutate particular types of nucleotides. Both...rate was 2.5 x 10-6 mutations per nucleotide per generation vs. 10 x 10-10 mutations per nucleotide per...increase the mutation rate and extend the editing window of EvolvR: (1) two additional mutations to PolI3M...many known spectinomycin resistance mutations, several new mutations were identified by targeting EvolvR...to generate specific mutations in your plasmids Use REPLACER Mutagenesis to mutate your plasmid Resources... sequence can help scientists identify and/or facilitate the evolution of new phenotypes, and forward ...bacterial growth conditions in order to maximize the mutation rate. For example the Phage Assisted Continuous...
  14. Screening for Successful Genome Editing with Digital PCR

    Type
    Blog Post
    ...Surveyor® or T7E1) for mutation detection. While these methods paved the way for mutation validation, we found...individual target molecules based on their mutation status. The drop-off probe is designed to perfectly...and is not capable of binding a mutated target. The amount of both mutated and wild type target in each ...samples with mono-allelic mutations versus those with the bi-allelic mutations typically desired when screening... comes time to (hopefully) validate successful mutation of your favourite gene, there are several different... to help guide you through the rough waters of mutation validation, such as this "CRISPR 101" post. Next-generation...Since there are many thousands of partitions, statistical modelling can be used to determine the actual...
  15. Choosing the B(right)est Fluorescent Protein: Photostability

    Type
    Blog Post
    ...fluorophore primarily depends on the excitation power and the excitation wavelength. A fluorophore is less...absorb the excitation light less efficiently. Similarly, decreasing the power of the excitation light reduces...acquired at low excitation powers. Note, however, that, at a 14-fold higher excitation power, the photostability...lightbulb or exchanging excitation filters). This avoids substantial changes in excitation power and will help...reduces the number of excitation/emission cycles per unit of time, decreasing the likelihood that a fluorophore...story. The photobleaching rate does not depend on excitation power in a linear fashion. This implies that ...Cranfill et al, 2016). This non-linear dependence on excitation power is important since different fluorescence...
  16. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

    Type
    Blog Post
    ... electrons are elevated from a ground state to an excited state through the absorption of photons. After... elevation in this excited state, the electron returns to its ground state by emitting a photon with slightly...10 nm) and overlap of excitation profiles is vital for the accurate interpretation of FRET-based experiments... or the difference in wavelength between peak excitation spectrum and emission spectrum. Fluorescent dyes...chemical structure, leading to differences in their excitation and emission wavelengths, which are pivotal in...dye is fluorescein isothiocyanate (FITC), with excitation and emission peaks at 495 and 517 nm. FITC binds...this include coupling to an antibody, whereby excitation of blue light will indicate where FITC is bound...
  17. Plasmids 101: FLEx Vectors

    Type
    Blog Post
    ... same orientation, the SSR will excise the DNA fragment. By manipulating the number, orientation, and ...the sense orientation, followed by the mCherry coding sequence in the antisense orientation (Figure 1,...Introduction of a conditional point mutation or functional mutation in vivo: Similar to a conditional rescue...-specific recombination events, and that the orientation of the flanking loxP sites directs the Cre recombinase...recombination. The FLEx switch takes advantage of the orientation specificity of the site-specific recombinases...flanked by target sites (floxed) in opposing orientations, a SSR will invert the DNA sequence between ...wild-type pair (loxP, black arrowheads) and one mutated pair (for example- lox511, white arrowheads). It...
  18. Which Fluorescence Microscopy Technique is Best for Me?

    Type
    Blog Post
    ...metal disk containing a number of holes rotates through the excitation light path. Each hole corresponds to...traditional confocal due to limitations in light penetration mentioned above (5). Thick static samples Ex: Fixed...detector or restricting fluorescence to specific excitation volumes to enhance spatial contrast (i.e. optical...microscopy. Collimated (non-converging or diverging) excitation light exits the microscope objective evenly illuminating... CT scanner. This is accomplished by focusing excitation light to a point in the sample and raster scanning...First, widefield and confocal microscopy project excitation light through the entire axial volume of a sample...signal intensity. 2-Photon microscopes restrict excitation (and bleaching) to a single focal point. This...
Showing: 121 - 140 of 852 results