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Showing: 81 - 100 of 458 results
  1. Plasmids 101: How to Name Your Plasmid in 3 Easy Steps

    Type
    Blog Post
    Published
    Feb. 13, 2014, 1 p.m.
    ... the insert in your plasmid name. This is often a 3-6 letter representation of the gene (or DNA sequence...rat (rattus rattus or rattus norvegicus), etc. Step 3: Add your tags  Add any tags or fusions that are on... eukaryotic cells). pBACKBONE-XXXXX Tip: For a catalog of published and commercially available empty backbones...considerations  If your insert contains a mutation or modification, this should be included in the plasmid name...
  2. Targeted Mutagenesis with EvolvR

    Type
    Blog Post
    Published
    Feb. 21, 2019, 1:15 p.m.
    ...then binds the nicked DNA, and extends it from the 3’ end, while its native endonuclease activity degrades...dissociates and PolI binds (middle) and extends from the 3' end of the nick (right), occasionally introducing... which increased EvolvR’s mutagenesis rate to ~10-3 mutations per nucleotide per generation, and (2) the...potential applications. Challenges of existing mutagenesis methods Several continuous diversification methods... challenging for users to achieve targeted diversification of all nucleotides within a defined region ...Chang Lab have created methods that introduce diversification by targeting a site of interest with dCas9 ...level of variation that can be introduced.   Diversification is limited due to the integration of oligonucleotide...
  3. Using CRISPR/Cas9 to Edit Disease Out of the Genome

    Type
    Blog Post
    Published
    June 23, 2022, 1:15 p.m.
    ...-019-01040-3 3. Khatibi et al. 2021.  “CRISPR Genome Editing Technology and its Application in Genetic...derived from iPSCs. From Rohn et al. 2018; see figure 3 for full details.    CRISPR advances in monoallelic...2020.  “CRISPR Gene Therapy: Applications, Limitations, and Implications for the Future.” Front. Oncol...with a dominant mutation in a gene that causes cataracts could be rescued by coinjection into zygotes of...the technology in different labs for different applications.” Li’s team noted that CRISPR/Cas9 has been ... explore its potential in mice with a dominant cataract disorder caused by a single copy of a gene known...with size limitations. In addition, non-viral applications are also possible through the use of nanoparticles...
  4. New Neuroscience Tool: The iGluSnFR3 Glutamate Sensor

    Type
    Blog Post
    Published
    April 7, 2022, 1:15 p.m.
    ...Aggarwal et al…, Supplementary Figure 3.   Figure 3: pH titration curves and ∆F/F0 for the... kinetics which are illustrated in figures 2 and 3.  Figure 2: Glutamate titration curves for...Glutamate plays a variety of roles in synaptic communication and can trigger other forms of neuronal signaling...SF-Venus-iGluSnFR). iGluSnFR3: Improved Glutamate Indicators for Synaptic Imaging However, the first two generations... 30377363 Aggarwal, Abhi, et al. . “Glutamate indicators with improved activation kinetics and localiation...
  5. Generating Mouse Models Using CRISPR/Cas9

    Type
    Blog Post
    Published
    July 12, 2016, 2:30 p.m.
    ... the human genome, the mouse genome is made up of 3 x 109 nucleotides (nt), and encodes 23,000 or so genes...editing the genome, the CRISPR/Cas system makes use of 3 components, a guide RNA (gRNA) of about 125 nt that...zygotes, the gRNA will seek out its target among the 3 X 109 nt of genetic content in the mouse genome and...predictable. In our best case, we saw that 2 out of 3 mice carried a 5 kb insertion in the ROSA locus as...lines. Second, the process is much quicker. It takes 3 months to generate founder mice using CRISPR, as compared...interested in using CRISPR to develop therapeutic applications that better human health.     References Cong...
  6. Viral Vectors 101: AAV Variables That Matter

    Type
    Blog Post
    Published
    June 1, 2023, 1:15 p.m.
    ...and measurements; (2) the cells you’re targeting; (3) how much expression is needed to read your experimental...gene. Off-target expression can still occur (Fig. 3) - for example, some neurons can transiently express...; Taschenberger et al., 2017).     Figure 3: Comparison of two astrocyte selective promoters demonstrating...anterograde tracing system. Experimental Neurobiology, 29(3), 219–229. https://doi.org/10.5607/en20006 Rolland...Molecular Therapy - Methods & Clinical Development, 3, 16062. https://doi.org/10.1038/mtm.2016.62 Su, M....site, or when using chemogenetic tools, where modification of cellular activity outside of your experiment.... A. (2023). Various AAV Serotypes and Their Applications in Gene Therapy: An Overview. Cells, 12(5), ...
  7. The PAM Requirement and Expanding CRISPR Beyond SpCas9

    Type
    Blog Post
    Published
    Aug. 20, 2020, 2:30 p.m.
    ... sequence is located just upstream of a Protospacer Adjacent Motif (PAM sequence). The 3-5 nucleotide ...sequences for the commonly used S. pyogenes Cas9 (3'-NGG) are abundant throughout the human genome, they... derived from species other than S. pyogenes, and 3) the use of non-Cas9 enzymes. (For more details on...PAM sequence ’) Streptococcus pyogenes (Sp) 3' NGG Staphylococcus aureus (Sa) NGRRT or NGRRN...editing is most efficient when target sites are located in close proximity to the region to be edited. ... that were able to cleave target DNA sequences located upstream of either NGA or NGC PAM sequences (Kleinstiver...variant may increase the specificity of genome modifications at DNA targets adjacent to NGG PAM sequences...
  8. Using Video to Share Your Science: We Share Science

    Type
    Blog Post
    Published
    Nov. 3, 2016, 2:30 p.m.
    ...video is the future in terms of communicating ideas. In 2012, for example, 3 billion hours of video were ...written word as the means for communicating research. Short videos of 3 to 5 minutes provide more than...WeShareScience is a free platform for sharing short, 3 to 5 minute videos about research. Videos can be shared...by the numbers." Nature 525.7569 (2015): 306-307. 3. Spicer, Scott. "Exploring video abstracts in science...be part of the answer. Problems with written publications Online tools like ResearchGate, GoogleScholar... that the big breakthroughs in my discipline, education, will come from ideas garnered from research in...from the science of others. Improving science communication through video     Video abstracts about research...
  9. Alex Chavez on MD PhDs, CRISPR, Gene Drives, & More

    Type
    Blog Post
    Published
    Nov. 15, 2016, 3:30 p.m.
    ...podcast from producers Tyler Ford and Eddy Page. 2:00 - 3:55 : Alex introduces himself and explains why he decided...decided to do an MD PhD - it's all in the family. 3:56 - 7:04 : Alex describes the MD PhD process and ...materials (check out our new Viral Service), and educational outreach. Many thanks to Alex Chavez for taking...
  10. Viral Vectors 101: Viral Vector Elements

    Type
    Blog Post
    Published
    July 25, 2023, 1 p.m.
    ...the limit of what will be packaged. The 5’ LTR and 3’ LTR, respectively, act as RNA polymerase II promoter...are based on adenovirus 5 (Ad5).     Fig. 3 - Viral vector components of adenovirus Building...Proteins: Structure and Function. Viruses. 2021 13(3):388. DOI:10.3390/v13030388 Coffin J.M., Hughes S....ITRs serve as a type of origin of replication to initiate replication of the dsDNA virus. Viral packaging...plasmid while the other plasmids with packaging or replication components are called helper plasmids. Below,... production, they can be helpful for certain applications and aid in ease of use. Our lentiviral guide...AAV are rep and cap. Rep is required for viral replication and also aids in infrequent genome integration...
  11. Viral Vectors 101: Pseudotyping

    Type
    Blog Post
    Published
    April 20, 2021, 2:30 p.m.
    ... transfer plasmid, (2) the envelope plasmid, and (3) the packaging plasmid. These are transfected into... virus in cell lines expressing galactosyl(alpha1-3)galactosyl (alphaGal) sugars were less stable than...with other viruses in a BSL-2 lab instead of a BSL-3 or BSL-4 lab. For more details, check out this review... spumaviruses to human serum by galactosyl(alpha1-3)galactosylation. Journal of virology 71:6174–6178 ...The glycoprotein will be incorporated into the replicating rabies virus envelope, travel retrogradely, and... Pseudotypes: Precious Tools to Improve Gene Modification of Hematopoietic Cells for Research and Gene...
  12. Quick Guide to Working with Drosophila Part 3: Genome Engineering in Flies

    Type
    Blog Post
    Published
    July 28, 2017, 1:30 p.m.
    ...docking site is located). This amounts to a small difference of two or three weeks. 3. How would you like...consumption. Drosophila are also used in cancer research (3). The sky is the limit. As mentioned earlier, even...PMID: 19563763. PubMed Central PMCID: PMC2753793. 3. V. A. Rudrapatna, et al. Dev Dyn. 241. 107–118 (2012...throughout the lifespan of the fly to determine the implications of your genetic manipulations. You can produce...
  13. Prime Editing: Adding Precision and Flexibility to CRISPR Editing

    Type
    Blog Post
    Published
    Jan. 13, 2025, 9:49 p.m.
    ... strand break), increasing editing efficiencies 2-3-fold. However, the process of double nicking increases...degradation by Cas9 binding, but pegRNAs have an extended 3′ tail containing the reverse transcriptase template...but it cannot drive prime editing. To protect the 3′ end, the Liu lab appended RNA pseudoknots, calling...expressed in eukaryotes, binds and stabilizes the 3′ tail of pegRNAs (Yan et al., 2024). The team fused...for certain edits           ~   3′ RNA pseudoknot (epegRNA) Improve pegRNA stability...prime editing efficiency. Nature Biotechnology, 40(3), 402–410. https://doi.org/10.1038/s41587-021-01039... the indicated tool. ~ reflects an innovation that may optionally be combined with the indicated tool....
  14. 3 Tips to Improve HDR Efficiency for CRISPR Editing in Human Cells

    Type
    Blog Post
    Published
    Sept. 5, 2017, 1:58 p.m.
    ...optimizing “cut-to-mutation distance”. Furthermore (3), we have developed a framework that, by combining...to mutation distance and editing efficiency.   3. Optimizing "cut-to-mutation distance" for homo or...or the other on each target site.   Figure 3: Optimal cut site to mutation distances for heterozygous...PMID: 23287722. PubMed Central PMCID: PMC3712628. 3. Paquet, Dominik, et al. "Efficient introduction of...many cell types and often results in biallelic modifications. Most commonly, DSBs are repaired by the nonhomologous...
  15. Form Your Own Peer Mentoring Group: A How-To Guide for Scientists

    Type
    Blog Post
    Published
    Feb. 18, 2014, 4:22 p.m.
    ...these programs typically consist of 1-2 mentors and 3-5 mentees who meet together for an 8 month formal ...cover during the year. Suggest that each person bring 3 topics and write them on a board to see which ones... a regular schedule might work. If not, perhaps a 3 hour breakfast once a month. All participants must...This is a chance to practice leadership and communication skills. The leader also provides materials such...
  16. Announcing the Winners of the 2021 Michael Davidson and Roger Tsien Commemorative Conference Awards

    Type
    Blog Post
    Published
    Aug. 5, 2021, 12:15 p.m.
    ...hydropersulfide-propagating enzymes 3-mercaptopyruvate sulfurtransferase (MPST) which catalyzes the desulfuration of 3-mercaptopyruvate...opioid use disorder,” says Hubbard. Figure 3: 20x confocal image of the periaqueductal gray (PAG... Haoyi Qiu He Tian Every two years, we seek applications for awards to early career scientists using ...virtual conference attendance. We also opened up applications to research technicians and undergraduate researchers...the chromophore that are susceptible to redox modification, the MPST hydrosulfide can be transferred to... and CNO silencing. (D) Immunohistochemistry verification of the dual virus expression in CR neurons of...where she engineers genetically encoded voltage indicators. Tian developed a video-based high-throughput...
  17. Pairing CombiGEM and CRISPR for Combinatorial Genetic Screening

    Type
    Blog Post
    Published
    April 12, 2016, 2:30 p.m.
    ...CACCGNNNNNNNNNNNNNNNNNNNGTTTGGGTCTTCGAGAAGACCTATTCXXXXXXXXC -3’; Reverse oligo: 5’- AATTGXXXXXXXXGAATAGGTCTTCTCGAAGACCCAAACNNNNNNNNNNNNNNNNNNNC -3’, where ...PMID: 26780180. PubMed Central PMCID: PMC4744125. 3. Gilbert, Luke A., et al. "Genome-scale CRISPR-mediated...sequences via oligo synthesis using the format indicated below and pool-clone them into the pAWp28 storage...realization of a variety of perturbations and applications in functional genomics, cell reprogramming, ...CRISPR/Optogentics Tools Resources on Addgene.org Catch up on Your CRISPR Background with Our CRISPR Guide...
  18. An Integrin Antibody Toolkit from IPI

    Type
    Blog Post
    Published
    March 28, 2024, 1:15 p.m.
    ...-Integrin alpha V beta 3 [IPI-ITGAV/ITGB3.7] Integrin alpha-V,Integrin beta-3 Human, Mouse IgG1 Rabbit...-Integrin alpha V beta 3 [IPI-ITGAV/ITGB3.13] Integrin alpha-V,Integrin beta-3 Human, Mouse IgG1 Rabbit... in flow cytometry. Based on the established applications of the original hybridoma monoclonals, we anticipate... and plasmids. To encourage collaboration and education in protein science, IPI hosts events and training...subtype-specific β1 integrin mechanics. Nature Communications, 13(1), 7471. https://doi.org/10.1038/s41467...
  19. Adapting Toehold Switches to Detect Zika Virus

    Type
    Blog Post
    Published
    Aug. 30, 2016, 2:30 p.m.
    ... The detection threshold for these RNA sequences (3 nM), however, was quite high and above what would ... samples at clinically relevant concentrations (1-3 fM; 1x106-fold lower than before), and our combined...PMID: 25417166. PubMed Central PMCID: PMC4265554. 3. Pardee, Keith, et al. "Paper-based synthetic gene... journal Cell just six weeks later. The Zika publication timeline I think we can speak for all the authors...research, but the urgent need for the test did catalyze our resolve to get the work done as quickly as... dozen versions of the toehold switches and amplification primers. This helped make sure that we had a...this includes primer directed isothermal RNA amplification, new toehold switch designs, CRISPR/Cas9-mediated...
  20. Pathways Over Time Plasmids Engage Students in Functional Genomics Research

    Type
    Blog Post
    Published
    May 22, 2018, 1:38 p.m.
    ...reference species. We have been using yeast models (3, 4) to answer questions about the evolution of the...complementation. In the procedure diagrammed in Figure 3, students first transform the S. cerevisiae met deletion...: US Government Office of Science and Technology. 3. Duina, A. A., Miller, M.E., & Keeney, J.B. Budding...experiences to undergraduate students (1, 2), but educators face significant challenges in designing suitable... become very different due to a whole genome duplication and extensive rearrangements in the S. cerevisiae...overexpression vector. This plasmid contains origins of replication and selectable markers that allow students to...met deficiencies (manuscript in preparation), indicating that Met protein functions have been largely ...
Showing: 81 - 100 of 458 results