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Showing: 281 - 300 of 438 results
  1. Generating Mouse Models Using CRISPR/Cas9

    Type
    Blog Post
    Published
    July 12, 2016, 2:30 p.m.
    ...mouse embryos as Cas9 from S. pyogenes and has the advantage of being smaller (Zhang et al., 2016). For...well if you’ve been following the Addgene blog, it has been repurposed for genome editing in eukaryotes,...than that, be nice to your microinjectionist, who has the strategically important job of delivering the...replacement of the murine sequence with a human gene. Advantages of using CRISPR for mouse genome engineering ...the efficiency discussed above extends 4 major advantages of CRISPR mouse editing when compared to more...Post for Tips on CRISPR Gene Editing in Mice Disadvantages of using CRISPR for generating mouse models ...
  2. The PAM Requirement and Expanding CRISPR Beyond SpCas9

    Type
    Blog Post
    Published
    Aug. 20, 2020, 2:30 p.m.
    ...within the human genome. Another variant, xCas9 3.7 has 7 mutations found in the REC2, REC3, and PAM interacting...CRISPR toolbox The isolation of novel CRISPR proteins has and will continue to dramatically increase the number...additional targeting flexibility. Cas13a (formerly C2c2) has been adapted for targeted RNA cleavage in mammalian... MH, Tang W, Chen L, Sun N, Zeina CM, Gao X, Rees HA, Lin Z, Liu DR (2018) Evolved Cas9 variants with ...create a specific RNA editor. Cas13 enzymes are advantageous because they do not require a PAM, and RNA targeting...
  3. Transferable Skills Guide: Creativity

    Type
    Blog Post
    Published
    Jan. 18, 2022, 2:15 p.m.
    ...as a scientist has been building your creativity all along. In my own career, my team has used these techniques...and instead building an environment where everyone has their ideas heard.  So how can we assure that all...continue advocating for your idea. Our product team has implemented a policy of never rejecting an idea simply...plaguing the scientific community is supply chain shortages. When flasks, conical tubes or pipette tips are...
  4. Antibodies 101: Polyclonal Antibodies

    Type
    Blog Post
    Published
    July 14, 2021, 1:15 p.m.
    ... - typically within 2-4 months. After the animal has the desired level of antibodies in its bloodstream...their batch to batch variability. Once an animal has undergone a terminal bleed to acquire all of its ...cross-reactivity. When to use polyclonal antibodies One advantage of polyclonal antibodies is that they are inexpensive...background staining (see next section), it may be advantageous if you are trying to detect a protein in low...research, monoclonal antibodies Learn about the advantages of using recombinant plasmid-based antibodies...
  5. Sequencing Options for CRISPR Genotyping

    Type
    Blog Post
    Published
    Oct. 4, 2016, 2:30 p.m.
    ...Further, Sanger sequencing has a lower detection limit of 50-20% (although this has been improved in some ...Joung 2016 with permission. Even though progress has been made with off-target prediction algorithms, ...Technique Sequence Information Detection Limit Advantages Disadvantages Mismatch Cleavage Assay Not Provided... Technique Detection Limit Application Advantages Disadvantages GUIDE-Seq 0.1% Cell-based  Searches ..., Yanfang, et al. "High-frequency off-target mutagenesis induced by CRISPR-Cas nucleases in human cells...
  6. Pairing CombiGEM and CRISPR for Combinatorial Genetic Screening

    Type
    Blog Post
    Published
    April 12, 2016, 2:30 p.m.
    ...CombiGEM-CRISPR: The marriage of two simple platforms CRISPR has revolutionized how we decode the genome by making...guide RNAs (gRNAs) for genome editing in large-scale has led to the rapid generation of genome-wide gRNA libraries...the users’ specific research questions. CombiGEM has been successfully applied to functionally characterize...; Reverse oligo: 5’- AATTGXXXXXXXXGAATAGGTCTTCTCGAAGACCCAAACNNNNNNNNNNNNNNNNNNNC -3’, where NNN and XXX...
  7. Advice on Career Paths and the Green Card Process for International Researchers and Entrepreneurs

    Type
    Blog Post
    Published
    Dec. 20, 2017, 2:33 p.m.
    ...continue their careers in the United States. There has been a growing shift away from employers sponsoring...that the researcher is working under in the lab or has won, awards, media reports, and membership in groups...that you are a classically trained ballerina who has performed at Lincoln Center. Your case should only...only support tenure track professors. Casseus Law has seen that research institutions are willing to sponsor... your current research goal is and why your work has impacted your field (i.e. finding vaccines for deadly...The platinum standard for an expert is someone who has cited your work. Immediate steps that you can take...plan for and develop your career into a series of stages to refine and build skills overtime for success...
  8. A Deep Dive into BioBuilder

    Type
    Blog Post
    Published
    Oct. 11, 2017, 1:44 p.m.
    ... receiving training modules in synthetic biology has grown into a recognized name in the field of STEM...logic gates. This BioBuilder-Caltech collaboration has resulted in a new BioBuilder book chapter and an ...recognized platform in March to exhibit projects at any stage of completion, from pitch to prototype. Last year...preparing local (Massachusetts), economically disadvantaged students for paid summer internships. A summer...
  9. Starter guide to induced pluripotent stem cells (iPSCs) part 1:  A renaissance in regenerative medicine

    Type
    Blog Post
    Published
    Oct. 30, 2018, 1:04 p.m.
    ...through to the morula stage are totipotent [2-4]. Pluripotency: When a cell has the ability to differentiate... of stem cell potency: Totipotency: When a cell has the ability to produce all of the differentiated ...therapeutic purposes. Both types have their advantages and disadvantages. Here is a table listing some of them... system which combined the advantages of both while limiting disadvantages led to the creation of induced... Induced Pluripotent Stem Cells: Problems and Advantages when Applying them in Regenerative Medicine. ...
  10. Antibodies 101: Choosing the Right Isotype

    Type
    Blog Post
    Published
    April 6, 2023, 3 p.m.
    ...a look at the secondary antibodies that your lab has on hand and choose a primary antibody that will work...secondary antibody pairing such that each target has a unique species or isotype that can be probed with...polyclonal primary antibodies.  I hope this post has explained when and why antibody isotypes matter and...isotypes and subclasses. They each have their own advantages. Since monoclonal antibodies contain a single...
  11. The Materials Science of Optogenetics Experiments

    Type
    Blog Post
    Published
    Sept. 17, 2015, 2:30 p.m.
    ...    In the video above, Channelrhodopsin 2 (Chr2) has been expressed in the motor cortex of a mouse. Upon...appropriate wavelength to stimulate your opsin. Each opsin has an excitation spectrum (use the resources discussed...controlled. As discussed above, each opsin variant has slightly different activation/inactivation kinetics...several groups [4, 5, 6]. These have the obvious advantage of not requiring patch cable connection to the...
  12. 7 Simple Strategies to Resolve Conflicts with Difficult Supervisors

    Type
    Blog Post
    Published
    Jan. 21, 2015, 1:30 p.m.
    ...your supervisor’s expectations Every supervisor has their own management style. A hands-on supervisor...agree with all of your ideas, but he or she probably has reasons for it. Do not take criticism personally ... of Finish Your Thesis, an online community that has supported thousands of graduate students since 2009...people: Hostile-aggressives, who are usually antagonistic and impolite, Complainers, who spend most ...
  13. Which Fluorescence Microscopy Techniques is Best for Me?

    Type
    Blog Post
    Published
    Oct. 10, 2017, 1:57 p.m.
    ...establish for this to happen.Using red light has a second advantage: red light penetrates deeper into biological... to its unrivaled contrast, fluorescence imaging has emerged as the dominant light microscopy contrast...blue to excite a molecule of GFP. Because red light has approximately half the energy of blue light, two ...imaging depths closer to 1 mm. Traditionally, 2-photon has been a very slow imaging technique but recent advances... modern explosion in light microscopy techniques has provided biologists with a host of tools and opened...
  14. Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More

    Type
    Blog Post
    Published
    Aug. 13, 2019, 12:58 p.m.
    ...deactivate specific genes are needed. Targeted mutation has been demonstrated in zebrafish using zinc-finger ... in all cells of the developing zebrafish embryo has been mapped using single cell RNA sequencing approaches...1990’s, two revolutionary large-scale random mutagenesis screens produced ~1,500 zebrafish mutants that...to study development and disease. Additional mutagenesis projects have since been initiated and today ...gene deactivation tools for zebrafish Random mutagenesis screens provided a major toehold into understanding... the one-eyed pinhead mutant from the random mutagenesis screens. Microscopy-based lineage tracing can...profiled 38,731 cells from 694 embryos over multiple stages and reconstructed the patterns of gene activity...
  15. Future of Research Conference - Remarkable Opening Session

    Type
    Blog Post
    Published
    Oct. 7, 2014, 3 p.m.
    ...keynote speaker, Dr. Henry Bourne (shown in photo), has been speaking out and writing about issues in our...the same time, he pointed out, academic research has some big problems resulting from past practices and...alternate training needs to be provided to take advantage of all the possible science careers. She advocated...
  16. CRISPR 101: Non-Homologous End Joining

    Type
    Blog Post
    Published
    April 16, 2015, 3:45 p.m.
    ...HDR, NHEJ is active throughout the cell cycle and has a higher capacity for repair, as there is no requirement...ends interfere with that step. Accordingly, NHEJ has a vast toolbox of processing factors, including polymerases...Wyatt and Dale Ramsden, UNC at Chapel Hill. One advantage to using the CRISPR/Cas system for genome engineering...Persistence of a Chromosome Break Diminishes Its Mutagenic Potential. PLoS Genet 5:e1000683 . https://doi.org...
  17. Advice for Choosing a Research Project

    Type
    Blog Post
    Published
    April 17, 2014, 2:45 p.m.
    ...research project can take several years to complete and has multiple benchmarks. Think about what your personal...Have a look at what others have done recently that has been a big hit, and especially look at the new tools... as a stepping stone into the next professional stage of your career by connecting you with people of ...
  18. Gendered Innovations: Why Does Sex of the Cell Matter?

    Type
    Blog Post
    Published
    July 21, 2016, 2:30 p.m.
    ... human suffering and death. Doing research right has the potential to save lives and money. A 2014 analysis...physiologic or pathologic processes. Much progress has been made in this area in recent years, and you can...important point, however, is that cost at this early stage of research is minimal compared to that of human...trials. And, as Janine Clayton points out, late-stage clinical studies that draw from a body of research...
  19. Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number

    Type
    Blog Post
    Published
    Sept. 4, 2018, 12:53 p.m.
    ... genes of interest into the chromosome. But this has its own set of problems. Rapidly dividing cells initiate...rounds of replication are initiated before the cell has divided. This means that genes located near the origin...growing slowly or quickly Growth media and growth stage can both affect gene copy number. Moreover, gene...References 1. Segall-Shapiro, Thomas H., Eduardo D. Sontag, and Christopher A. Voigt. "Engineered promoters...
  20. Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells

    Type
    Blog Post
    Published
    Dec. 10, 2020, 1 p.m.
    ...often used, the CRISPR approach based on HDR has the advantage of being a potentially universal treatment... to edit genes in several biological systems. It has been used for instance in inherited disorders such...-transformed cells yielded rates of targeted mutagenesis similar to those achieved by isogenic AdVs encoding...gRNAS1, and pAdSh.U6.gRNAGFP. Gonçalves says that advantages of AdVs include their episomal nature and very...CRISPR/Cas9 nuclease complexes induces targeted mutagenesis in a diverse array of human cells. Sci Rep 4:...
Showing: 281 - 300 of 438 results