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We narrowed to 846 results for: ELL

Showing: 441 - 460 of 846 results

  1. How to Write a Scientific Review Article

    Type
    Blog Post
    Published
    Feb. 16, 2017, 3:30 p.m.
    ...a review article on histone modifers in B and T cells with my adviser when I was a graduate student. Naturally...aspect of the field you plan to review. If it’s a well-researched field, you may need to get specific to...these themes, and also for articles from the active/well-known researchers in the field. I made sure to find... find information from genome-wide studies, as well as results from smaller and more specific studies....studies. I also did not limit myself to the well-cited or popular papers, but looked for papers from a wide ... change the sentences, make it flow, and start telling the story. Like any editing process, you will need...acetyltransferases and histone deacetylases in B-and T-cell development, physiology and malignancy." Genes &...

  2. Plasmid Preps: Different Purity, Different Quantities, Different Uses

    Type
    Blog Post
    Published
    June 16, 2020, 1:25 p.m.
    ...lipopolysaccharide of the cell wall of Gram negative bacteria like E. coli that affects tissue culture cell line viability...introduces transformation grade plasmids into a bacterial cell. Transformation grade DNA  Transformation is ...transformation of chemically and electrocompetent cells is minimal (picogram range). It can be extracted...Figure 3: Need to introduce plasmids into mammalian cells? Use transfection grade DNA. Transfection is ...process of inserting an external plasmid in mammalian cells and it will likely require micrograms of plasmid...

  3. Your Top Requested Plasmid in 2015!

    Type
    Blog Post
    Published
    Dec. 30, 2015, 3:30 p.m.
    ...both Cas9 and your gRNA of interest to mammalian cells. It was designed to have increased lentiviral titer...knock-out thousands of genes in mixed population of cells as part of pooled library screens (1,2). The human...pooled libraries targeting both mouse and human cells are avaliable for distribution. To learn more about... includes work probing mTOR signaling in cancer cells, deciphering the mechanism of matrix metalloproteinase...Genome-scale CRISPR-Cas9 knockout screening in human cells." Science 343.6166 (2014): 84-87. PubMed PMID: 24336571...Common Ways to Deliver CRISPR Plasmids to Mammalian Cells Resources on the Addgene Website Visit our Lentiviral...

  4. How Exercise Purges Stress and Keeps Depression at Bay

    Type
    Blog Post
    Published
    Nov. 25, 2014, 4:02 p.m.
    ...It’s well known that exercise can help fight stress and depression, and now researchers have reported... how it works. The findings in a recent issue of Cell demonstrate how PGC-1a1, a transcriptional coactivator... press release. “We actually found the opposite: well-trained muscle produces an enzyme that purges the... in a commentary about the new work published in Cell Metabolism. But, they note, there is plenty more...including psychiatric and cognitive conditions as well as neurodegenerative diseases.” I don’t know about...JR, Erhardt S, Lindskog M, Ruas JL. doi: 10.1016/j.cell.2014.07.051. PMID: 25259918 Muscle over mind. Moon...

  5. Keeping Up With CRISPR/Cas9

    Type
    Blog Post
    Published
    March 11, 2014, 5:55 p.m.
    ...Addgene Outreach Scientist and fellow blogger Caroline LaManna put it well: "Wow, custom mutations in monkeys...RNA-Mediated Gene Targeting in One-Cell Embryos. Niu Y, et al. Cell. 2014 January 30. (Pubmed) Programmable...correct disease mutations, both in mice and in human cells. But that important advance was quickly followed...  David S. Weiss of Emory University summed it up well in that New York Times feature when he said, “All...

  6. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

    Type
    Blog Post
    Published
    May 5, 2020, 1:15 p.m.
    ...activity which cleaves the supplied fluorescently labelled ssDNA substrates. Upon cleavage, the fluorescence...complementarity between the gRNA and a given fluorescently labelled substrate, gets activated and performs non-specific...strips to detect the cleavage of fluorescently labelled RNA, the authors employ a P51 cardboard fluorescence... with streptavidin coated beads. Fluorescently labelled dCas9 complexes containing sgRNA that have no ...Shravanti Suresh is a PhD candidate who investigates cellular aspects of CRISPR/Cas immune systems in the Sashital...2020.04.07.028167 Broughton JP, Deng X, Yu G, Fasching CL, Servellita V, Singh J, Miao X, Streithorst JA, Granados ...Biotechnology. https://doi.org/10.1038/s41587-020-0513-4 Kellner MJ, Koob JG, Gootenberg JS, Abudayyeh OO, Zhang...

  7. Five Popular Model Organisms, Part 2

    Type
    Blog Post
    Published
    Sept. 29, 2020, 1:15 p.m.
    ...By Justin Ng and Alyssa Cecchetelli Science is a constantly evolving and demanding field, requiring a...rats have some key differences in physiology, intelligence, and human correspondence that give them an ...routinely used in an array of neuroscience research (Ellenbroek and Youn, 2016). For these reasons rats were ...transgenic axolotls for an array of different studies. Elly Tanaka’s lab has constructed several vectors for...are often used to study vertebrate embryology and cell development. One major resource for frog research...Organism to Study and Model Human Genetic Disease. Cells Tissues Organs, 205(5–6), 303–313. https://doi.org...https://doi.org/10.7554/elife.50651 Vieira, W. A., Wells, K. M., & McCusker, C. D. (2019). Advancements to...

  8. Using Phosphoserine to Study Protein Phosphorylation

    Type
    Blog Post
    Published
    June 23, 2016, 2:30 p.m.
    ... by guest blogger Natalie Niemi, a postdoctoral fellow at the Morgridge Institute for Research in Madison...commonly cited that approximately one-third of cellular proteins are modified through phosphorylation ...translation of many stop codons and detrimental effects on cell growth. The C321.ΔA strain was genomically recoded...in stability of the p-Ser incorporated protein as well as context-specific effects of UAG suppression, ... Niemi! Natalie Niemi, Ph.D., is a postdoctoral fellow at the Morgridge Institute for Research in Madison...is particularly interested in the intersection of cell signaling, metabolism, and the mighty mitochondrion..."The origins of protein phosphorylation." Nature cell biology4.5 (2002): E127-E130. PubMed PMID: 11988757...

  9. Our Most Popular Blog Posts from 2019

    Type
    Blog Post
    Published
    Dec. 31, 2019, 2:26 p.m.
    ...Farewell 2019, and hello 2020! As we're gearing up to start a new decade, we’re also looking back at ... by Alyssa Cecchetelli The introduction of nucleic acids into bacteria or eukaryotic cells is a common...Photoswitchable Proteins by Cary Valley, Shreya Vedantam, Michelle Cronin, and Angela Abitua Thanks to a team effort.... 5. Five Popular Model Organisms by Alyssa Cecchetelli and Lukas Morgan There are many model organisms...

  10. CRISPR Kinome Libraries Available: Pooled and Individual Plasmid Formats

    Type
    Blog Post
    Published
    Sept. 9, 2016, 2:43 p.m.
    ...Or you don’t know how well your assay will scale. Or you don’t have enough cells to execute genome-wide...spreadsheet of random numbers that’ll leave you, well, #sad. Learn More About CRISPR Pooled Library...genome is limited by definition, the kinome is a well-annotated collection of genes that can provide a...lentiGuide expressing only an gRNA, for use with cells that already have Cas9). Each library consists of...be useful when screening for phenotypes, such as cell-non-autonomous effects, that do not lend themselves...

  11. Celebrating Accomplishments in the Lab

    Type
    Blog Post
    Published
    May 8, 2014, 3:07 p.m.
    ...How do you celebrate your lab’s achievements? Tom Ellis highlights the importance of acknowledging his teams...-off via a gift, card, and trip to the pub. Dr. Ellis adds “we probably don’t celebrate enough... I’ll... pizza or pub.” The Cepko Lab celebrates any fellowships, jobs, or paper submissions with dinner and champagne.... What does your lab do for fun as a group? The Ellis Lab self-organizes cinema nights, game nights, and...retreat. How do you manage work-life balance? Tom Ellis reveals “I don't. Ask me again in five years and...from you! Acknowledgments Thank you to Dr. Tom Ellis (Imperial College London), Dr. Connie Cepko (Harvard...

  12. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

    Type
    Blog Post
    Published
    April 5, 2018, 12:42 p.m.
    ...desired mutation in mouse ES cells, select for the mutation and inject the ES cells into a mouse embryo to ...Cas-mediated genome engineering." Cell 154 (2013):1370-9. DOI: 10.1016/j.cell.2013.08.022 PubMed: PMID: 23992847...then electroporate it into mouse embryonic stem cells. After selecting for clones with the recombined ... your chimeric mice did not contain edited germ cells, your experiment would be unsuccessful. CRISPR made... targeting the same or complementary strands, as well as guides facing towards or away from each other...

  13. Finding Your Perfect Job After University

    Type
    Blog Post
    Published
    Jan. 12, 2016, 3:30 p.m.
    ...practice (GLP) (important buzzwords in industry) as well as skills in industry positions. There were, however...projects, this can cause conflicts and favoritism, as well as affect morale and cause gossip). These kinds ...that, when those contracts fall through or are cancelled, then redundancies can be made within the company...  Working abroad: Research in Australia I then travelled abroad to work at the University of Queensland...customer service (recruitment agencies often don’t tell you what company a job is with until just before...towards the scientific aspects of the company as well and use my other skills and interests. I was so ...flexibility of a ‘start-up’. I was surprised how well I fit in with the company and that my ideas and ...

  14. Building Global Connections with the International Mentorship Program USA-EUROPE

    Type
    Blog Post
    Published
    Nov. 6, 2015, 3:30 p.m.
    ...professional and personal development, is essential to excelling in the modern world. Talent knows no boundaries...me in my next steps. For example, how to get a fellowship to travel abroad, how to write cover letters,...mentees identified career opportunities in science as well as the developmental needs and resources needed ...the program included improvements in writing fellowships, giving oral presentations, and preparing for...profesional networks, and nominations for government fellowships. The closing and formal evaluation of the pilot...Spanish government’s support for the IMP program as well as for the Spanish scientific community overseas...particularly interested in breast cancer and metastasis as well as teaching and mentoring activities. Follow her...

  15. Chemogenetics vs. Optogenetics: Which Method Should I Choose?

    Type
    Blog Post
    Published
    June 11, 2020, 1:34 p.m.
    ...expression targeted to specific tissues, cell types or even subcellular regions of a neuron. Optogenetic approaches...approaches excel at discrete cell or tissue-subregion targeting down to the limits of light delivery. ...-wide targeting, as the ligand can reach target cells throughout the body. Controlling Stimulation Some... and chemogenetic tools need to be delivered to cells, commonly through viral delivery by AAV. You can...Further restricted to illuminated region Impacts all cells expressing receptors Invasiveness Mice require...

  16. Some Like it Hot: Thermostable GeoCas9

    Type
    Blog Post
    Published
    Sept. 14, 2017, 12:40 p.m.
    ...mammalian cells. Harrington et al tested GeoCas9’s editing skills by transfecting HEK293 cells with GeoCas9...choice for a number of model organisms: mammalian cells, yeast, drosophila, plants, worms, zebrafish, frogs...pyogene’s SpCas9. These Cas9 proteins don’t work well at high temperatures, so to use them in thermophiles... 45 °C 50 - 70 °C Genome Editing in Mammalian Cells? Yes Yes Longevity in Serum?* No Yes Table ...experimental results. GeoCas9 RNP editing in mammalian cells Besides being able to take some heat, GeoCas9 can...

  17. Choosing Your Perfect Empty Backbone

    Type
    Blog Post
    Published
    Aug. 19, 2014, 3:39 p.m.
    ... add bells and whistles to your construct. If you are planning to track your protein in the cell or purify..., or express the insert they carry in the target cell. These vectors allow you to test the function of...selection cassette to screen for positive transfected cells. The addition of an in-frame fluorescent fusion ...get away with generating transiently transfected cells, you will not need a mammalian selection cassette.... Other vectors can be expressed in fly culture cells like S2 and carry the metallothionein promoter (...

  18. Advice for Choosing a Research Project

    Type
    Blog Post
    Published
    April 17, 2014, 2:45 p.m.
    ...Tom Ellis highlights the importance of keeping up-to-date with the literature of a couple of well-known...yet attainable milestones that contribute to intellectual thought and discovery to the scientific community...ideas. What mentors are available for guidance, intelligent discussion, and/or brainstorming sessions to ...increase chances that your project will be fresh as well.” Don't underestimate the importance of choosing...for you.   Acknowledgments Thank you to Dr. Tom Ellis (Imperial College London), Dr. Connie Cepko (Harvard...

  19. Antibodies 101: Epitope Tags

    Type
    Blog Post
    Published
    May 11, 2023, 1:15 p.m.
    ...protein purification as well. This tag is not suitable for use in apoptotic cells as Caspase3/7 both cleave...originally derived from jellyfish (Aequorea victoria) and can serve as an epitope tag as well as a fluorescent...Addgene’s catalog including a mouse monoclonal (M2) as well as a chimera (rabbit). Myc The Myc tag is a 10 ...fluorescent marker. The GFP tag is ideal for live cell imaging, FRET, flow cytometry, or immunofluorescence where...

  20. 10 Great Guest Posts We're Thankful For

    Type
    Blog Post
    Published
    Nov. 18, 2016, 3 p.m.
    ... Below you’ll find brief summaries of several excellent guest posts from our depositors. Interested in...Your Favorite Fluorescent Protein Oligomerizes in Cells GFP oligomerization can lead to misleading artefacts...which specific chemical inputs are received by a cell. These so-called recombinase-based state machines...required for viral replication and transcription as well as reporter genes. To learn how you can use minigenomes...used to deliver a genes of interest to a variety of cell types in-vivo. These are widely used by the optogenetics...activation and repression of different genes in a single cell, and localization of a fluorescent signal to your...
Showing: 441 - 460 of 846 results