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We narrowed to 745 results for: nes

Showing: 201 - 220 of 745 results

  1. Hot Plasmids: Winter 2025

    Type
    Blog Post
    Published
    March 11, 2025, 1:15 p.m.
    ... constructs for tagging the kinesins KIF5A and KIF5B as well as backbones for generating other SNAPf-,...the conformational dynamics of the motor protein kinesin-1, the Twelvetrees Lab took advantage of the self-labeling... will be useful not only for future studies of kinesins but for many other proteins of interest too! Find....A.S., Craggs, T.D., & Twelvetrees A.E. (2024) Kinesin-1 is highly flexible and adopts an open conformation...mouse monoclonal antibodies targeting the human genes and are recommended for use in immunohistochemistry...

  2. Adenoviral Delivery of CRISPR/Cas9 Aims to Expand Genome Editing to Primary Cells

    Type
    Blog Post
    Published
    Dec. 10, 2020, 1 p.m.
    ...Joining (NHEJ) DNA repair mechanism to knock out genes as a result of an insertion, a deletion or a frameshift...-transformed cells yielded rates of targeted mutagenesis similar to those achieved by isogenic AdVs encoding...Homology Directed Repair (HDR) to knock in corrective genes. For this you would need to provide a DNA template...successfully developed and used AdV vectors to edit genes in several biological systems. It has been used ...plasmids at Addgene: pAdSh.PGK.Cas9 (expresses S. pyogenes Cas9 from the PGK promoter) and U6 promoter-driven...CRISPR/Cas9 nuclease complexes induces targeted mutagenesis in a diverse array of human cells. Sci Rep 4:...

  3. Which Fluorescent Protein Should I Use?

    Type
    Blog Post
    Published
    May 20, 2014, 2:06 p.m.
    ... (24-30°C). Brightness: Brightness is a measure of how bright is the emission. Brightness is calculated...contributed by Gal Haimovich of greenfluorescentblog. Be honest. Do you really know how fluorescent proteins glow...the protein, divided by 1000. In many cases the brightness is compared to that of EGFP which is set as 1...proteins are very dim (e.g. TagRFP657, which has a brightness of 0.1) and this should be taken into account...

  4. Viral Vectors 101: The Retroviral Lifecycle

    Type
    Blog Post
    Published
    July 27, 2023, 1:15 p.m.
    ...namely that they can cause cancer via insertional mutagenesis (which HIV does not do). Furthermore, molecular... are, in most cases, interested in transferring genes to mammalian cells (i.e. transferring DNA), yet ... is (thankfully) gutted of many essential viral genes. How it is, exactly, that heaps of viral vector ...the only component that is not dependent on viral genes. It is derived from the host/producer cell membrane...full “life cycle” of expression of selfish, lazy genes of a non-living viral particle, and how we as dedicated... N. (1971). Noninfectious ARK mouse embryo cell lines in which each cell has the capacity to be activated...

  5. A Career in Grants: How To Become a Grant Professional

    Type
    Blog Post
    Published
    Aug. 20, 2015, 2:30 p.m.
    ...changing guidelines and regulations impacting grant management, we track grant opportunity deadlines, and ...organization to evaluate the organization’s grant readiness, identify grant opportunities, secure grant awards...schools, healthcare facilities and with private businesses. How do you get the expertise needed to enter...such as research, collaboration across multiple disciplines, writing, project management, and program evaluation...process or the whole process, including grant readiness, funding opportunity research, application writing...

  6. Bioinformatics at Addgene

    Type
    Blog Post
    Published
    July 14, 2022, 1:15 p.m.
    ...engineering pipelines, we selected Nextflow, a workflow management system for scientific pipelines, including... existed who had created a shared resource of pipelines for genomic data. Thanks to the flexibility inherent...separate Nextflow process. In Nextflow, a process defines which command or script will run and can be thought... connect each subsequent process to the existing ones. Once our first process was working as expected,...check, we repeated our strategy and copied a few lines of our existing script into the section of the next...

  7. Transferable Skills Guide: Creativity

    Type
    Blog Post
    Published
    Jan. 18, 2022, 2:15 p.m.
    ...job it is to disagree with the group. They are the ones who ask for rationales behind ideas and decisions...fill out the form at any time and a member of our Business Development team would review it. This survey ...frequently observe in a scientific setting.  Powerlessness It’s hard to be creative when you don’t believe...ideas obviously worth pursuing, evaluate the “bad” ones. Bad ideas are easier to work with than nothing ... mistakes that kill your productivity. Harvard Business Review. Retrieved January 14, 2022, from https...exercise to spur innovation on your team. Harvard Business Review. Retrieved January 14, 2022, from https...

  8. Plasmids 101: Shuttle Vectors

    Type
    Blog Post
    Published
    May 20, 2025, 1:15 p.m.
    ...love with biology because of an image that was honestly quite boring. My Bio 101 professor displayed a...mammalian vectors are even less similar to bacterial ones. The mammalian analogue of bacterial transformation...uptake, but this approach requires compatible cell lines that express viral machinery. Alternatively, some...selection is useful for producing stable mammalian cell lines, but it isn’t common for simple transfection experiments...by transformation and transfection and left the business of transduction to our Viral Vectors 101 series...Resources on Addgene.org Collection of empty plasmid backbones ...

  9. CRISPR 101: Any Base Transversion Editors

    Type
    Blog Post
    Published
    April 1, 2025, 1:15 p.m.
    ... transition Base change between purines (A ↔ G) or between pyrimidines (C ↔ T).   Base transversion ... ABE would allow it to act on newly-deaminated inosines. Pro tip! The nucleoside inosine consists of the...this promising start, the team used rational mutagenesis to produce the adenine transversion editor AYBEv3...and ABEs, they could be useful for saturation mutagenesis, and they provide a strong proof of concept for...empty space. Over several rounds of rational mutagenesis, the team progressed to gGBEv6.3, which was capable...

  10. CRISPR 101: Which Cas9 Do I Choose for My CRISPR Experiment?

    Type
    Blog Post
    Published
    Oct. 13, 2022, 1:45 p.m.
    ...activators and repressors to target genes. Repressing target genes using dCas9-based repressors Early ...repression or knockdown allow you to study essential genes whose knockout would cause cell lethality. The Krüppel...purpose. dCas9-KRAB plasmids for repressing target genes in a variety of species and cell types can be found...found on Addgene’s website. Activating target genes using dCas9-based activators The simplest of the dCas9...transcriptional activator. Plasmids for activating target genes in a variety of species and cell types can be found...

  11. Plasmids 101: Codon usage bias

    Type
    Blog Post
    Published
    Sept. 27, 2018, 1:09 p.m.
    ...that recognize codons found in highly expressed genes (Emilsson and Kurland, 1990). Controlling gene expression...changing conditions - Organisms often need to express genes at different levels under different conditions. ...specific tRNA pools. For example, tRNAs used in genes encoding amino acid biosynthetic enzymes may be ... the problem of codon choice is to resynthesize genes in such a way that their codons are more appropriate...properly. You may be able to avoid getting your genes of interest codon optimized by ordering plasmids...use the same expression system for many different genes without having to create new constructs. However...

  12. Transferable Skills Guide: Career Planning Resources

    Type
    Blog Post
    Published
    Nov. 14, 2017, 2 p.m.
    ... the speaker and offer your business card (yes, you should have a business card; it’s a bit more informal...smaller talks within the bigger conference, especially ones that are more career-focused. After these talks,... will probably be willing to accept your CV or business card. Be warned, though – someone accepting your... formally apply for the position. This post on Business Insider nicely summarizes good job fair practice... Reading and Outside Resources http://www.businessinsider.com/how-to-get-the-most-out-of-job-fairs-2014...

  13. Tips for CRISPR Gene Editing in Mice

    Type
    Blog Post
    Published
    June 28, 2016, 10:59 a.m.
    ...in mouse embryos to generate gene modified mouse lines. Hopefully this post will help get your in vivo ...that later). Find Validated gRNAs to Target Mouse Genes To begin the in vitro screening process, you should... at the same time, and choose the most effective ones to increase your chances of gene modification in...a rapid acceleration in the production of mouse lines that could be used to study a wide variety of phenomena... et al. "Feasibility for a large scale mouse mutagenesis by injecting CRISPR/Cas plasmid into zygotes....generation of mice carrying mutations in multiple genes by CRISPR/Cas-mediated genome engineering." Cell...

  14. DIY DNA Ladders from Penn State University

    Type
    Blog Post
    Published
    July 14, 2017, 2:30 p.m.
    ...Commercial Plasmid Prep Kit Amount 1000 Lanes 1000 Lanes 1000 Lanes Cost $200-$500  <$10 $20-30 Cost...commercial ladders cost between $200-$500 for 1000 lanes worth of ladder. The Penn State ladders are significantly...prep protocol, it cost less than $10 to make 1000 lanes worth of the 100 bp or the 1 kb ladder. Using a ...

  15. Transferable Skills Guide: Conflict Resolution

    Type
    Blog Post
    Published
    Jan. 4, 2022, 2:15 p.m.
    ...I really brought to the table was empathy, a willingness to listen, and an ability to remember the right...amount of conflict is actually critical in the business world. Companies and organizations that avoid ...involved, and also for the labs, organizations, or businesses as a whole. When I’m attempting to resolve a ... actively runs away from it. That can mean a willingness to make yourself temporarily uncomfortable for...while giving people the tools to resolve necessary ones on their own is even better. The Thomas Kilmann ...conflict resolution based on various levels of assertiveness and cooperation: avoiding, competing, accommodating...

  16. How to Negotiate a Successful Lab Start Up Budget

    Type
    Blog Post
    Published
    Sept. 1, 2015, 2:30 p.m.
    ...productive discussion first defines the material resources needed, then determines how much those resources...possible, this even includes clocks, timers, and phones.  As for reagents and consumables (such as pipet...time to decide what resources to keep, and which ones to abandon. It’s critical to make these decisions...1. First make decisions based on experimental timelines and specific aims. 2. Then make decisions based...productive and manageable laboratory environments. His business skills enhance his passion for science. Follow...

  17. Performing In Vivo CRISPR Screens Using the FITS Approach

    Type
    Blog Post
    Published
    May 2, 2024, 1:15 p.m.
    ...526) that (1) enables efficient knockout (KO) of genes in immune cells; (2) is not immunogenic, a necessity... optimize conditions for a screen that assessed genes that regulate antigen-specific CD8+ T cell responses...screen, we used the pRDA_526 vector to knock out 30 genes putatively involved in CD8+ T cell responses to ... Ptpn2, Pdcd1, and Zc3h12a, demonstrating the robustness of the system and utility of the pRDA_526 vector...introduction of the model antigen, Ovalbumin, into cell lines to study antigen-specific responses. Find FITS plasmids...

  18. Is this the right place for me? 8 tactics for choosing a lab

    Type
    Blog Post
    Published
    Oct. 2, 2018, 12:56 p.m.
    ...focused on choosing a lab, but almost all of these guidelines can apply to any workplace or job. It amazes ...will need is about you. It’s worth taking time to honestly evaluate your own style of work and communication...below, the first question to ask yourself is “which ones matter to me?”  and hone in on the factors that ...Overwork – including undue pressure, impossible deadlines, unnecessary disruptions Destabilization – including...author order PI lets lab members fight it out PI intervenes if there are interpersonal conflicts PI has no...can be very helpful in uncovering strengths and weaknesses of the options. Use this blog as a guide. Start...

  19. Let There Be LITE Plasmids

    Type
    Blog Post
    Published
    Nov. 21, 2013, 3:56 p.m.
    ...transcriptional effectors (LITEs) designed to bind specific genes and turn them on or off, literally at the flip of...are able to react and learn. All of this requires genes to be regulated dynamically.” To understand how ... tools to manipulate the expression of specific genes in the brain in reversible fashion. And that’s exactly... of living mice both quickly and significantly. Genes under LITE control showed a rise in transcription...researchers applied the LITE system to 28 different genes to establish it as “a novel mode of optogenetic ...

  20. pSiM24: Simplifying Plant Genetic Engineering

    Type
    Blog Post
    Published
    Sept. 29, 2015, 2:30 p.m.
    ...and many plant scientists want to transfer large genes, smaller binary vectors with a larger cloning capacity...than that from the commonly used 35S promoter. Transgenes are also efficiently inherited in both transgenic...expression. Sahoo et al. have tested the system with genes up to 4 kb in length and confirmed successful protein... assays as well as stable expression of foreign genes in plants." PLoS one 9.6 (2014): e98988. Pubmed ...Plant Synthetic Biology Quick, Versatile Plant Transgenesis with GreenGate Plasmids Interview: Nicola Patron...
Showing: 201 - 220 of 745 results