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We narrowed to 624 results for: cat.1

Showing: 521 - 540 of 624 results
  1. Giving gRNAs a Facelift - Synthetic and Beyond

    Type
    Blog Post
    Published
    Oct. 20, 2022, 1:15 p.m.
    ...usually 1-3 of the first 3 bps are modified) for optimal stability and efficacy.    Base modifications What...switches. Stabilizing gRNA modifications  Sugar phosphate backbone modifications The recognition sequence...phosphorothioates with 2’-O-methyl modifications, proved more stability than just one modification alone (Hendel, et al...ordered as synthesis modifications when purchasing your gRNA. Pro tip: modifications are typically incorporated...stabilizing modifications listed above were developed before CRISPR-Cas9, for use in applications like siRNA...worrying about the status of your RNA. gRNAs modifications are even going beyond stability, adding color...cellular RNA molecules with post translational modifications. One of the most common of these is 2’-O-methylation...
  2. Summer SciComm: Preprints

    Type
    Blog Post
    Published
    Aug. 16, 2022, 1:15 p.m.
    ...medRxiv.org) in the past few years.   Figure 1: Stand aside, CERN — it's a new age of accelerating...their CV or grant applications. A number of organizations (such as ASAPbio) advocate for preprints, and...the most important part of your research is communicating the results of the work. Yes, those control ...any impact! There are lots of ways scientists communicate with each other: from formal mechanisms like ...poster or talk, or submitting patent or grant applications; to informal settings like lab meetings, social...of the most significant shifts in scientific communication is the rising use of preprints, or scientific...publishing in a journal.  Accelerating scientific communication Preprints have been common in fields like math...
  3. Antibodies 101: Selecting the Right Antibody

    Type
    Blog Post
    Published
    March 15, 2022, 1:15 p.m.
    ...antibody that doesn't work for your application.      Fig. 1: Antibody Selection Flow Chart  ...your specific application. Consider also that there may be variations within an application. Take immunohistochemistry...website highlights a variation of your application, a publication successfully used it in a similar way...choosing an appropriate antibody first look at the application-specific data provided on the manufacturer’s ... a linear antigen tend to work very well for applications that denature a protein to its primary (linear...the most similar to yours. Take a look at the publications cited on the manufacturer’s website, which may...plan to. To secondary or not to secondary?  The application will also determine whether you should use an...
  4. Plasmids 101: Cre-lox

    Type
    Blog Post
    Published
    Jan. 13, 2015, 3:47 p.m.
    ...techniques?  Let us know in the comments! References 1. Bacteriophage P1 site-specific recombination. I. ...recombinase catalyzes the site specific recombination event between two loxP sites, which can be located either...maintained).  Translocation: If the sites are on separate DNA molecules, a translocation event is generated...important plasmid elements – promoters, origins of replication, protein tags, and antibiotic resistance markers...creating (excuse the pun) specific, targeted DNA modifications in transgenic animals, embryonic stem cells,...proteins or co-factors, thus allowing for broad applications in a variety of experiments. LoxP (locus of ...and the canonical loxP sequence is ATAACTTCGTATA-GCATACAT-TATACGAAGTTAT. The loxP sequence does not occur...
  5. Visualizing Protein Turnover In Situ

    Type
    Blog Post
    Published
    Jan. 16, 2018, 3:20 p.m.
    ... contact her at [email protected]. References 1. Dieterich, Daniela C., et al. "In situ visualization...This application of AHA labeling is known as fluorescence noncanonical amino acid tagging (FUNCAT, Dieterich...experiments. Visualizing newly synthesized proteins with FUNCAT Professor Schuman’s technique applies metabolic...the whole de novo synthesized proteome. However, FUNCAT alone cannot be used to determine the turnover ...specific protein. Professor Schuman’s lab showed that FUNCAT’s usefulness can be extended to determine the turnover...ligation assay (PLA). The clever combination of FUNCAT and PLA PLA was originally published by the Söderberg...DNA strands take part in rolling circle DNA amplification. The amplified DNA segment is labeled with fluorescent...
  6. Viral Vectors 101: Types of viruses

    Type
    Blog Post
    Published
    June 6, 2023, 1:15 p.m.
    ...efficiently with adenovirus and AAV.   Table 1: Types of viruses and their features Choosing ...injections, or the location of a specific cell type doesn’t always lend itself to direct application of virus. ...addition of a helper virus or plasmid allows it to replicate episomally, essentially remaining an extrachromosomal...extrachromosomal part of the host genome that can replicate and divide along with the endogenous DNA. AAV also...gamma-retro viruses. This is large enough for many applications, but in some cases multiple AAVs (co-infection...and AAV. If you’re wondering more about what applications these viruses are good for, we have plenty of...Adenovirus-Mediated Gene Delivery: Potential Applications for Gene and Cell-Based Therapies in the New...
  7. A Quick Guide to a Career in Software Product Management

    Type
    Blog Post
    Published
    Nov. 24, 2020, 2:15 p.m.
    ...PM--Catch up. Finish any communications with my UK team members before they log off for the day. 1:45 ...getting to talk to so many different people! I communicate with customers, software developers, as well ...from interacting with others, and have strong communication skills to tailor your message to any type of... to solve is clear, but the solution is more complicated. You’ll need to be creative to be able to work...team in the UK is five hours ahead, so I’m always catching up in the morning! 9:00 AM--Technical implementation...out. 4:00 PM--Respond to customer help tickets. Catch up on customer help tickets, and respond when I ...technology, software, and science. She loves to advocate for the customer and help build software and technology...
  8. Viral Vectors 101: Viral Vector Elements

    Type
    Blog Post
    Published
    July 25, 2023, 1 p.m.
    ...guide outlines these components.     Fig. 1 - Viral vector components of retrovirus  Adeno-associated...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...a helper plasmid and mediate efficient viral replication. More information on these viral genes is available...particles. E2A/E2B are responsible for viral replication, with E2B being the primary viral polymerase....
  9. GCE4All: Making Genetic Code Expansion Accessible

    Type
    Blog Post
    Published
    June 15, 2023, 1:15 p.m.
    ...non-canonical amino acid at the site of interest (figure 1). While the codon used is often one of the three stop... its function, mimic a biologically relevant modification, or add in fluorescent or chemically reactive...function relationships or, in more practical applications, allow a protein to be more effectively used... you do to any number of experiments with. The catch The rapid expansion of GCE led to the creation of... of many new tools and potential applications. But this focus on development, along with the inherent ...’t give it a try. Optimization Why is GCE so complicated? Well, while the techniques are straightforward...ligation through introducing ncAAs with protein modifications of interest or any of a huge variety of ncAAs...
  10. 7 Tips to Secure a STEAM Internship This Summer

    Type
    Blog Post
    Published
    Feb. 2, 2021, 2:15 p.m.
    ...advice below:  1. Eligibility check Scrutinize every opportunity prior to starting an application to assess...your application a whole week before the deadline. The day of submission, review your application with... their dream.  To help students focus on the application process, and simplify access to academic resources... detailed. Beyond the resume, a cover letter communicates your interest in a specific program, and institution...February represent peak season for internship applications. Thus these noble individuals are inundated ... with a stellar letter of support.        5. Application submission  Set a calendar reminder for every...about outreach among low-income communities to educate parents about resources that can help their children...
  11. Antibodies 101: Secondary Antibodies

    Type
    Blog Post
    Published
    Dec. 21, 2021, 2:15 p.m.
    ...with each protein of interest.    Figure 1: The direct approach (left) versus the indirect approach... antibodies may be indicated on occasion, usually after other signal amplification techniques have been...IgG2 or IgG4. This can be important for some applications. Assay use While secondary antibodies are useful..., the flexibility of their use varies across applications. Western blots, for instance, almost always ...For the latter three, secondary antibodies are indicated when the protein of interest is found in low amounts...been ruled out.  Ease of access Signal amplification isn’t the only benefit of secondary antibodies. Finding...quantitative analysis of a sample. Instead, relative quantification can be done using either the direct or the ...
  12. Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur

    Type
    Blog Post
    Published
    July 10, 2014, 7:17 p.m.
    ...prove the technology. This transition takes around 1 – 2 years. The product is the measure of success...competitions. After much learning, the focus of the application was changed, but Sample6 still leverages the ...fit for this set of technologies, effectively communicating the advantages embodied, and driving the enterprise...He explained that entrepreneurs must clearly communicate their idea at various levels of complexity and...backgrounds how amazing their idea is. While communication styles in academia and industry vary drastically...biggest challenge during this time was learning to communicate effectively to non-scientific audiences. "There...for the company; this will help avoid future complications and potential conflicts that waste money and...
  13. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    Published
    March 3, 2020, 2:15 p.m.
    ...native peptide bond at the split site. Figure 1: The base editor is split into two plasmids and co-transfected...voltage indicator Article contributed by Shreya Vedantam Genetically encoded voltage indicators (GEVIs)...fluorescent optics. Existing red fluorescent voltage indicators, however, fall short compared to GFP-based sensors...linker between them. The Ace-mScarlet voltage indicator works like many FRET-opsin GEVIs. With an increase...channelrhodopsins. Find the Ace-mScarlet voltage indicator plasmids at Addgene! Beck et al., Sci Report 2019...increasingly been recognized for its biotechnological applications including conversion of CO2 into water and electrical...the N-terminus of Cre (CreN) are fused to the truncated Phytochrome B (PhyBΔ) and the active protein binding...
  14. Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number

    Type
    Blog Post
    Published
    Sept. 4, 2018, 12:53 p.m.
    ...give these stabilized promoters a try. References 1. Segall-Shapiro, Thomas H., Eduardo D. Sontag, and...rounds of replication are initiated before the cell has divided. This means that genes located near the...problems. Rapidly dividing cells initiate genome replication more than once per cell division and thus, genes...genes closer to the origin of replication will be overrepresented compared to those further away. As a...maximal gene expression near genomic origins of replication, the stabilized promoters created by Segall-Shapiro...the control of IPTG. Because RepA is a plasmid replication initiator protein, they could alter copy number...
  15. Four Factors that Differentiate the Stem Cell Field

    Type
    Blog Post
    Published
    Sept. 28, 2016, 2:35 p.m.
    ...regarding what makes this group of researchers special: 1. Stem cell scientists care deeply about ethics Ethics... have profound impacts on the development of applications with the potential to save lives. While most...
  16. The Importance of High Titer for AAV Transductions

    Type
    Blog Post
    Published
    March 1, 2018, 2:11 p.m.
    ...methods to improve AAV production.     References 1.Clark, K. Reed. "Recent advances in recombinant adeno-associated... Protocols for Work with Virus Watch Our AAV Purification Video ...
  17. New and Upcoming Viral Vectors - May 2020

    Type
    Blog Post
    Published
    May 28, 2020, 1:15 p.m.
    ...-fDIO mCherry 83900 AAVrg pAAV-mDlx-GFP-Fishell-1 Biosensors Plasmid Serotype Name 83899 AAVrg...availability date or to be notified when a particular catalog item is available for order please email [email protected]...
  18. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

    Type
    Blog Post
    Published
    May 3, 2018, 1:48 p.m.
    ... Effectors.” Cell (2018) pii: S0092-8674(18)30207-1. PubMed PMID: 29551272 Plasmids from this paper ...for pre-clinical and clinical applications of dCasRx. The identification of Type VI Cas13d enzymes is ...RspCas13d. RspWYL1 also increased EsCas13d activity, indicating that WYL domain-containing proteins may be broader...even when guides were tiled across a target RNA, indicating that this enzyme does not cleave at a predictable...target essentially any RNA in a cell. Since catalytically dead dCasRx maintains its RNA-binding properties...
  19. How to Keep a Lab Notebook for Bioinformatic Analyses

    Type
    Blog Post
    Published
    June 2, 2016, 2:30 p.m.
    ...the output of the analysis performed in experiment 1. Use camelCase: In camelCase, each subsequent word..., specific goal for each analysis will help you locate relevant information in the future. Approach:...folders and files that you see on your desktop. The location of your master directory or folder for all of ...simple .txt document. Record the name, date, and location of all analyses (see above). Give every experiment.... She is particularly interested in science communication and epigenetics. Follow her on twitter @kc_palozola...
  20. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

    Type
    Blog Post
    Published
    Nov. 5, 2019, 1:28 p.m.
    ...sites that were previously unavailable. Figure 1: The PAM sequence that the Cas nuclease recognizes...to generate a genomic alteration at a specific location, it must be accessible by Cas9. Our previous blog...off-target activity, which may be undesirable in many applications. At the time of our first blog post on choosing...CRISPR-Cas9 to increase its specificity." Nature communications 9.1 (2018): 3048. PubMed PMID: 30082838. PubMed...CRISPR-Cas12b for human genome editing." Nature communications 10.1 (2019): 212. PubMed PMID: 30670702. PubMed...
Showing: 521 - 540 of 624 results