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Showing: 681 - 700 of 998 results
  1. Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number

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    Blog Post
    ...phenotypes. Factors such as the growth medium, growth temperature, and growth rate can all impact plasmid copy ... as the incoherent feedforward loop (iFFL). In general, iFFLs use an input signal that both positively...repression in E. coli. In addition, TALEs bind non-cooperatively to the promoter region, which is predicted to... pathway will ideally be optimized to promote generation of the desired product while avoiding the accumulation...
  2. Oh, The Places You Can Go: Careers in Science Communication - Writing for a Research Institute

    Type
    Blog Post
    ... would do if she wasn’t at the bench.  “I was literally sitting in my office one day, which I shared with...NEI), where she wrote about NEI research for a general audience. She then got a full time position with..., however, recommend using Twitter as a way to leverage unpaid work for paid work: “If you use it right...helped because there was so much work through the federal government. All the Health and Human Services (...
  3. Antibodies 101: Affinity Reagents

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    Blog Post
    ...alternative reagents are created in the lab, instead of generated in vivo, they have higher reproducibility and ... Fig. 1: A comparison of an antibody (left) to several alternative affinity reagents.    Types of ...small enough to be produced in bacteria and are generally cheaper to make than antibodies. Minibodies are...instead of the antibody constant region. They are generated using combinatorial libraries, and high specificity...
  4. Antibodies 101: Secondary Antibodies

    Type
    Blog Post
    ...antibodies work?  Secondary antibodies are antibodies generated against antibody isotypes from a specific species...classes, it is possible to get secondary antibodies generated against isotype subclasses, such as mouse IgG2...interest - the secondary antibody needs careful consideration before selection. If all the primary antibodies...my goat anti-rabbit?!”*  *a secondary antibody generated in goat against rabbit immunoglobulins. References...
  5. The Future of Research Symposium Boston 2015

    Type
    Blog Post
    .../feudal generating too many trainees per PI” “Lack of awareness about how the system operates and functions...issues independently; for example, Harvard’s Therapeutics Graduate Program has a compulsory internship...better data is needed to help shape and inform the overall structure of the biomedical research sector, and...
  6. New Tool for Lineage Tracing: The ClonTracer Library

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    Blog Post
    ...abundance and clonal dynamics over time using next generation sequencing (NGS). The library was developed when...such that initial resistant populations can be eradicated up-front quickly. This approach is in contrast... discovery and the development of combination therapies.         References 1. Hyo-eun, C. Bhang, et al...Studying clonal dynamics in response to cancer therapy using high-complexity barcoding." Nature medicine...
  7. Quickest Way to Deposit Plasmids: The Deposit Spreadsheet

    Type
    Blog Post
    ...expression, lentiviral, retroviral, AAV, RNAi, luciferase, cre/lox, yeast expression, worm expression, ...Growth Temp Choose from 30 °C, 37 °C, or room temperature. Growth Strain Please indicate which growth...GenBank files. We encourage submission of QUEEN-generated GenBank files (Mori and Yachie, 2021) but can ...we’ll use the information in the spreadsheet to generate plasmid pages. We’ll send you a deposit confirmation...
  8. 6 Tips for Grant Writing

    Type
    Blog Post
    ...back to you, and for you to make the relevant alterations before submitting - handing them your application...during your career; you learn new techniques and interact with new people. If you are looking to move to...non-scientists. Most fellowships are funded by the general public (either through taxes or charitable donations...an IDP Get Tips on Keeping Up With Scientific Literature  ...
  9. Antibodies 101: Stripping and Reprobing Western Blots

    Type
    Blog Post
    ...are planning to detect multiple proteins through several rounds of stripping and reprobing, maximize your...chemiluminescent or fluorescent detection, like horseradish peroxidase (HRP) or Alexa Fluor dyes, respectively...solution and agitate for 5–30 minutes at room temperature. The incubation time will depend on your blot...be able to strip and reprobe your western blot several times — some researchers report up to ten cycles...
  10. High Complexity Golden Gate Assembly with NEB’s DAD

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    Blog Post
    ...didn’t need to be strictly followed in order to generate high-fidelity reactions. (Need a refresher? The...cycling conditions (see Table 1).   Enzyme Temperature Incubation time/cycling Overhang length ...some help! References Potapov, V., Ong, J. L., Kucera, R. B., Langhorst, B. W., Bilotti, K., Pryor, J...10.1021/acssynbio.1c00525 Pryor, J. M., Potapov, V., Kucera, R. B., Bilotti, K., Cantor, E. J., & Lohman, G...
  11. Corralling and Cornering the Goldilocks Antibody

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    Blog Post
    ...collaborates with these companies to create and provide general availability of their recombinant antibodies. Since...that the primary antibody is very weak or with general non-specific binding. If the sample differs from...align with what the atlases (mentioned above) and literature suggest, providing an expectation and comparison...imaged pattern does NOT align with the atlases/literature and is unrelated to the target protein, we categorize...
  12. CRISPR 101: Targeting Non-Coding RNAs with CRISPR/Cas9

    Type
    Blog Post
    ... permanently disable, protein-coding genes by generating insertions or deletions in the DNA sequence. ...Knock-in: Introducing tags or stop signals Once Cas9 generates double-strand breaks, a new DNA sequence can be...sequences remain intact (Engreitz et al. 2019). The interactions between ncRNAs and adjacent genes are complex...lncRNAs because they regulate nearby genes and interact with specific chromatin structures or other local...
  13. Plasmids 101: In-house NGS Plasmid Quality Control Now at Addgene

    Type
    Blog Post
    ... its analysis can be found here: A Novel Next-Generation Sequencing and Analysis Platform to Assess the...the pool - ex. the gRNA in a CRISPR library. In general, our QC scientists work with the depositing lab...Mueller I, Mitsopoulos A, Fan M (2020) A Novel Next-Generation Sequencing and Analysis Platform to Assess the...Preparations from Viral DNA Extracts. Human Gene Therapy 31:664–678 . https://doi.org/10.1089/hum.2019.277...
  14. Hot Plasmids and Viral Preps - January 2021

    Type
    Blog Post
    ...Synthetic Biology publication, Mary Dunlop’s lab generated a photosensitive Cre, Opto-Cre-Vvd, by splitting...Casɸ-2, and Casɸ-3. This system is notable for several reasons. Casɸ is only ~70kDa, with a molecular ...cultures.  HeLa cells expressed a fusion of keratin with mGold (top) and mVenus (bottom). Cells were... variants. It's also one of the smallest AAV-deliverable ABE.  Find the plasmid here Jesse Zalatan’s...
  15. 5 Tips for Troubleshooting Viral Transductions

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    Blog Post
    ...more than once. Fibronectin is another membrane-interacting protein that can be used to enhance transduction...aren’t working, you can check if virus is being generated by your transfected packaging cells. This check...and transduction. Once you’ve harvested, it’s generally a good idea to titer your virus. Getting an accurate...of primary human T lymphocytes for adoptive immunotherapy." Acute Leukemias VIII. Springer Berlin Heidelberg...
  16. Illuminating Epigenetics with A FRET Based Biosensor

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    Blog Post
    ...involve any changes to DNA sequence (Epigenetics literally means ‘on top of the genome’). Epigenetic modifications...prevents the cellular machinery from physically interacting with the genes in the compacted region and results...can influence the transcription of genes by RNA polymerase II, or by the addition of methyl- groups to the...restriction enzyme digestion, DNA adenine methyltransferase identification, and bisulfite sequencing. ...
  17. Golden Gate Assembly Upgrades: More Fragments, Faster Assembly, and Higher Fidelity

    Type
    Blog Post
    ...bloggers Becky Kucera, M.Sc. and Eric Cantor, Ph.D. from New England Biolabs. Becky Kucera is a Principal...This post was contributed by guest bloggers Becky Kucera, M.Sc. and Eric Cantor, Ph.D. from New England ... more than 10 modules often rely on two-step hierarchical approaches using different Type IIS restriction...
  18. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

    Type
    Blog Post
    ... 25°C. At low temperatures like 18°C, flies take longer to develop. At high temperatures like 30°C, flies...and Y chromosomes are miniscule, so researchers generally do not manipulate them. Essentially, the X, second...the mutation won’t drift away with each passing generation.  Another feature of balancer chromosomes is ...
  19. PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs

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    Blog Post
    ...efficiencies with pridict.it. This approach leverages the strengths of PRIDICT/PRIDICT2.0 while accounting...into play. Nicolas Mathis received his PhD from Gerald Schwank's lab at the University of Zurich (Switzerland...DeepSpCas9, a deep learning–based model with high generalization performance. Science Advances, 5(11), eaax9249..., A., Kuzmin, I., Raudvere, U., Peterson, H., Liberante, F. G., & Parts, L. (2023). Prediction of prime...
Showing: 681 - 700 of 998 results