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  1. The Importance of High Titer for AAV Transductions

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    Blog Post
    ... The higher the titer, the better. AAV transport and transgene expression It’s clear that we need high...be required. For example, retrograde AAV gets transported up the cell’s axon. While the mechanism for this...yet fully understood, we can imagine that this transport is probably not 100% efficient. So the few AAV... higher retrograde AAV titers for successful transduction. In another example, neuronal gene expression..., fewer channel proteins are required for the transduced cell to become light responsive than fluorescent...process of generating viral particles. Limit tube transfer - the fewer opportunities your viral particles...make sure to rinse off the surface of the filter membrane with the surrounding solution to ensure excess...
  2. Transferable Skills Guide: Managing a Team

    Type
    Blog Post
    ...that they lack formal training in a variety of transferable skills. At Addgene we've set out to fill this... highlighting that researchers do learn MANY transferable skills while working in the lab and by offering...where you might need some help. Today in our transferable skills guide: managing a team. You’ve just been...to focus on what you should be doing : writing a grant, thinking about the next project, reaching out to... transferable skills...
  3. Transferable Skills Guide: Time Management

    Type
    Blog Post
    ...that they lack formal training in a variety of transferable skills. At Addgene we've set out to fill this... highlighting that researchers do learn MANY transferable skills while working in the lab and by offering...where you might need some help. Today in our transferable skills guide: Time Mangement for Scientists....
  4. Transferable Skills Guide: Conflict Resolution

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    Blog Post
    ... blog Management for ScientistsTransferable Skills Guide: LeadershipTransferable Skills Guide: Teamwork...the right time. Like many of the posts in our Transferable Skills series, this post is not meant to be ... that you could strengthen. The right set of transferable skills, coupled with your technical skills, ... can help, and if and when you find yourself transferring this skill to another job, it will be important...also aggravate long-term personal conflicts.  Transitioning a conflict into a collaboration may not be the...willing and able to solve, don’t take that skill for granted. When you go on interviews or are looking for a...
  5. Transferable Skills Guide: Problem Solving

    Type
    Blog Post
    ...feel they lack formal training in a variety of transferable skills. At Addgene, we've set out to fill this... highlighting that researchers do learn MANY transferable skills while working in the lab and by offering...where you might need some help. Today in our transferable skills guide: Problem-Solving. I don’t know ...in my more recent positions outside of the lab. Granted, I currently work on the Scientific Support Team... careers, I always felt that descriptions of transferable skills seemed fuzzy or ill-defined. In this ...your life. This tactic is a good way to see how transferable these skills really are, while also practicing...systematic, logical thinking.  If you are already a lab veteran at this point, you probably have better developed...
  6. Plasmids 101: Using Transposons in the Lab

    Type
    Blog Post
    ...express a transposase or reverse transcriptase so they can transpose. Both class I and II transposons can be...eukaryotic genomes.  Components of a transposon system Transposon: The transposon is the DNA sequence that moves... encodes the proteins the transposon needs for transposition. Transposition protein: This is the protein...themselves as RNA transcripts and then rely on a reverse transcriptase enzyme to reverse transcribe back into ...reverse transcriptase and integrase enzymes which are required for LTR retrotransposon transposition. Non-LTR...reverse transcriptase activities.    Figure 1: Overview of retrotransposon transposition. Retrotransposons...2021. To mobilize a transposon, first the transposase enzyme binds the transposon’s long terminal repeats...
  7. Transferable Skills Guide: Public Speaking

    Type
    Blog Post
    ...resources on the Addgene blog Transferable Skills Guide: Time Management Transferable Skills Guide: Conflict ...of being a scientist and an incredibly useful transferable skill. Being able to stand up in front of an... turn your slide deck into a chalk talk. Your translator doesn’t know the term “diving board” so you end...remember to breathe!)   Public speaking as a transferable skill The worst thing about doing public speaking...most difficult form, which makes it the perfect transferable skill. Almost every other form of presenting...Conflict Resolution Transferable Skills Guide: Creativity...
  8. CRISPR 101: Cytosine Transversion Editors

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    Blog Post
    ...Target strand The DNA strand that base pairs with the guide RNA.   Non-target strand The DNA strand that... non-target strand is excluded as ssDNA. DSB Double-Stranded Break A cut to both strands of DNA. Indel...editing generates double-strand breaks causing deletion, transversion and translocation. Nature Cell Biology...a job for a single enzyme. Base transitions Base transversions C → TG → A A → GT → C C → G                   ...to base pair with the DNA target strand, leaving the non-target strand unpaired and accessible on the outside...binding. Pro tip! In CRISPR, the non-target strand is the DNA strand that does not base pair with the gRNA.... it the “edited strand.” Uracil excision repair leads to the first base transversion editor The story...
  9. R Bodies: Membrane-Rupturing Microscopic Tools

    Type
    Blog Post
    ...learn a lot from Nature’s simpler solutions to transmitting forces over long distances. For instance, how..., R bodies do not exert force by dynamically rearranging into different polymerization states. Instead...with proteins and remain functional, 2) break membranes outside of their natural context or 3) be modified...demonstrates that R bodies can function to break membranes of different organisms. And finally, we demonstrated...could use them to lyse cells (and surrounding membranes) in keeping with their natural function (see below...Silver, P. A. A Tunable Protein Piston That Breaks Membranes to Release Encapsulated Cargo. ACS Synth. Biol...
  10. PEI Calculator for Planning AAV Packaging Transfections

    Type
    Blog Post
    ...your AAV packaging transfection. In my lab we regularly use the ratios below: 1 Transfer Plasmid : 1 pHelper...prevent future headaches. To help you plan PEI transfections for AAV packaging, considering using this PEI...Calculator. AAV packaging typically requires transfecting three plasmids at specific molar ratios. To ...PEI calculator for AAV packaging Use the PEI transfection calculator for AAV packaging Select the plasmid...pHelper: 1 RepCap OR 3 Transfer Plasmid : 5 pHelper: 2 RepCap Select what type of tissue culture dish ...dish you will be performing the transfection in: 15 cm dishes OR CF5 stacks Select how many dishes or ...or stacks you plan to transfect: 1 to 10 Fill in experimental details on the spreadsheet: Name your...
  11. Transferable Skills Guide: Career Planning Resources

    Type
    Blog Post
    ...that they lack formal training in a variety of transferable skills. At Addgene we've set out to fill this... highlighting that researchers do learn MANY transferable skills while working in the lab and by offering...
  12. New Optogenetic Tools for Cytoskeleton and Membrane Control

    Type
    Blog Post
    ...specific area at the plasma membrane (Figure 2). Just express the plasma membrane-localized iLID along with...cell membrane isn’t powerful enough, what about altering the chemical composition of the membrane itself...SuperPLD hydrolyzes membrane PC to PA. A) OptoPLD is recruited to plasma membrane or lysosomes and its...optogenetic tools to control the cytoskeleton and cell membrane dynamics. First, a quick refresher.  The tools...undergoes a conformational change and binds the plasma membrane under blue light CRY2-CIB1 heterodimerizes or ... separate chromosomes during mitosis, support transport of organelles and vesicles, and more. Although...demonstrated its use to probe cell mechanics, vesicle transport, and cell division, but given the long list of...
  13. Plasmids 101: Broad Host Range Plasmids

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    Blog Post
    ...?  Plasmids 101: Transformation, Transduction, Bacterial Conjugation, and Tranfection...define plasmid host range, identify a few of the features that confer broad host range in plasmids in nature...features to create broad host range recombinant vectors.  A plasmid’s host range is determined by the different...plasmid can transfer to, replicate in, and persist in. Some plasmids have a narrow host range, while others...identified as broad host range plasmids. The properties that influence host range are not fully understood...genes necessary for transfer initiation between bacterial hosts. Also, self-transmissible plasmids may have...examples of a narrow host range plasmid with only one ori and a broad host range plasmid with multiple oris...
  14. CRISPR 101: Any Base Transversion Editors

    Type
    Blog Post
    ... the non-edited strand to encourage the cell to repair the DNA using the edited strand as a template —...editing. Like other transversion editors, this editor had relatively high indel rates ranging from 4.7% to 30%...our last post, we talked about the first base transversion editors: CGBEs, or C → G Base Editors. CGBEs...editor could excise other bases? Could other transversion editors be close at hand? Once again, this post... the end of this post! Figure 1: Base transitions are edits between the purine bases (adenine, ...bases (cytosine, thymine, and uracil). Base transversions are edits that convert a purine to a pyrimidine... Inosine excision leads to the first adenine transversion editors Uracil excision is the most common type...
  15. Getting the Most from Your Lentiviral Transduction

    Type
    Blog Post
    ...may not translate well to other cell types. To overcome this issue, try transducing with a range of dilutions...DEAE-dextran can improve transduction efficiency. In addition, this study found that transduction efficiency...passage number of a culture the lower the transfection and transduction efficiencies. Cultures should only be...others opt for a single harvest after transfecting with the transfer and packaging plasmids. A benefit of... for getting the most out of your lentiviral transduction experiments. Love your cells and they'll love...culture practices can lead to low titers and poor transductions. Cell lines should be routinely subcultured ... cells do not take up nucleic acid or express transgenes as well as actively dividing cells resulting ...
  16. Developing Transferable Skills During Science Training

    Type
    Blog Post
    ... in a nonacademic direction, there are many “transferable” skills you have developed in addition to learning...your favor? Look for opportunities to practice transferable skills in ways that will also enhance your science... concrete things you can do to develop those transferable skills while you are also learning to be an ... transferable skills...
  17. 5 Steps to Writing Grant Proposals for Grad Students

    Type
    Blog Post
    ...improve your grant writing skills. Good luck! Further advice on grant writing Since successful grant writing... during the grant application process. When my PhD advisor first asked me to write a grant application... advice on writing a grant proposal. "Murder Most Foul: How Not to Kill a Grant Application" by Vid Mohan-Ram...their advisor alone applies for these competitive grant applications; however, in some cases, your advisor...advisor may choose to allot some if not all grant duties to trusted students. For example, if the proposal...thoughts such as “I have no idea how to write a grant!”, “I don’t have time for this if he wants data ...that first experience, I learned the details of grant writing, volunteered to take the lead on various...
  18. Quick, Versatile Plant Transgenesis with GreenGate Plasmids

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    Blog Post
    ...terminators and resistance cassettes for selection of transgenic plants. The complete GreenGate toolkit, now available...the time required to generate multi-construct transgenic plants. In the most practical terms, what GreenGate...Versatile and Efficient Cloning System for Plant Transgenesis." PLoS ONE. 8(12): e83043 (20 December 2013)...
  19. Plasmid Grant to Aid Cervical Cancer Screening in Ghana

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    Blog Post
    ...third Addgene/Seeding Labs plasmid grant and plans to use the grant to order plasmids she can use as positive...in PCR-based cervical cancer screens. This third grant represents the continuation of our efforts to provide...Bengyella and Kwabena Duedu who were awarded similar grants back in June, Gladys will be using plasmids in ...will be opening the Addgene/Seeding Labs Plasmid Grant to a third round of applicants at the start of 2017...Superhero 5k Find New Cancer Resources Learn About Our Grants to Rare Disease Research Resources on Addgene.... seeding labs plasmid grant...
Showing: 21 - 40 of 988 results