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We narrowed to 519 results for: abo.2

Showing: 201 - 220 of 519 results
  1. Plasmids 101: Broad Host Range Plasmids

    Type
    Blog Post
    Published
    April 11, 2024, 1:15 p.m.
    ...host range plasmids. FEMS Microbiology Letters, 348(2), 87–96. https://doi.org/10.1111/1574-6968.12241  ...mobilization of broad host-range IncQ plasmids. Plasmid, 62(2), 57–70. https://doi.org/10.1016/j.plasmid.2009.05.001...negative hosts. Biotechnology and Bioengineering, 106(2), 326–332. https://doi.org/10.1002/bit.22695  Schmidhauser...plasmids may have high copy numbers and reduced metabolic load (Meyer 2009). Figure 1: Idealized ...
  2. New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression

    Type
    Blog Post
    Published
    Jan. 24, 2023, 2:15 p.m.
    ...under phase contrast starting day 2 after transfection.     Fig: 2: Expressing mARGAna in MDA-MB-231...engineering a cell line, cotransfect the mARG cassettes 2:1 (A:N-V) with PiggyBac transposase and outgrow the...you enjoy playing with our genes. Have fun!    About the authors: Marjorie Buss is a PhD student studying...
  3. Visualizing Translation at the Single Molecule Level

    Type
    Blog Post
    Published
    Aug. 1, 2017, 1:15 p.m.
    ...the reporter mRNA is labeled by PCP-mCherry (Figure 2). The 3’ UTR also contains a CAAX sequence to bind...PMC2746483 Find ribosome profiling plasmids at Addgene. 2. Halstead, James M., et al. “Translation. An RNA biosensor...Additional Resources the Addgene Blog Learn More about SunTag Catch up on Your GFP Background Choose the...
  4. Synthetic Photobiology: Optogenetics for E. coli

    Type
    Blog Post
    Published
    Sept. 8, 2015, 2:30 p.m.
    ...in Escherichia coli. Tabor JJ, Levskaya A, Voigt CA. J Mol Biol. 2011 Jan 14;405(2):315-24. doi: 10.1016...Marcotte EM, Voigt CA. Nature. 2005 Nov 24;438(7067):441-2. PubMed. Find the plasmids from this publication ...and Jeffrey Tabor have been working on making E. coli light responsive since 2005, when Tabor was working...these classic systems continue to be optimized by Tabor’s lab, making light-controlled gene expression in...for the computational problem of edge detection. Tabor et al. subsequently engineered a second photosensitive... and highest level of “output” signal, was only about 10-fold, precluding the study of gene expression...-component systems. Schmidl SR, Sheth RU, Wu A, Tabor JJ. ACS Synth Biol. 2014 Nov 21;3(11):820-31. doi...
  5. Four Factors that Differentiate the Stem Cell Field

    Type
    Blog Post
    Published
    Sept. 28, 2016, 2:35 p.m.
    ...Stem Cell Researcher Darrell Kotton 2. Stem cell scientists care about patients As any grad student who ... Yamanaka explained that it took 50 people nearly 2 years to create the first stem cell line that could...the Addgene Blog Learn about Efforts to Fight Rare disease with iPSCs Read About Addgene's Outreach Efforts...the first clinical trial with iPSCs with his collaborator Takahashi in 2014 – just 8 years after the OSKM...researchers special: 1. Stem cell scientists care deeply about ethics Ethics must play a prominent role in the ... a big picture perspective: Dr. Yamanaka talked about his clinical trial patients with advanced macular...proof that these researchers are thriving in a collaborative, rather than a combative, field. Of course they...
  6. Will You Be My Mentor? Finding and Asking for Mentoring Support

    Type
    Blog Post
    Published
    Feb. 4, 2014, 3:50 p.m.
    ...article in the Addgene Blog Mentoring series will cover 2 of the 7 mentoring questions I set out to answer. ...101-Building Relationships for Success”. Choose 1-2 tactics to try. One of my favorites is making the ...work if both parties are diligent about replying and thinking about good questions and answers. Professional...Sometimes, it is not who you know but who knows about you. I found some other great tips for finding mentors...Medical School researcher Connie Cepko to learn about her mentoring style. Mentors at home and away We...Catalyst Report “Making Mentoring Work” to learn about what makes a good mentoring program. If your organization...much less threatening! If they say no, don’t worry about it. It is a compliment to ask someone to share their...
  7. Antibodies 101: Single Chain Fragment Variables (scFvs)

    Type
    Blog Post
    Published
    June 3, 2021, 1:15 p.m.
    ...panning and scFv characterization.    Figure 2: Phage display starts with a pooled library of scFvs...the short epitope GCN4, also called a scaffold; and 2) a GCN4 binding scFv that’s fused to GFP. When the...Fv (Variable Domain) (scFv) Fragments. Antibodies 2:193–208 . https://doi.org/10.3390/antib2020193  Khantasup... Read about frankenbodies, an anti-HA scFv-based probe for fluorescent imaging. Learn more about antibodies...Köhler who developed hybridoma technology. But what about single chain fragment variables (scFvs)? scFvs weren...from inclusion bodies, it’s time-consuming and laborious.  To avoid this, one or more of these approaches...antibodies  Read about another reagent sharing platform for antibodies, the Developmental Studies Hybridoma...
  8. Plasmids 101: Common Lab E. coli Strains

    Type
    Blog Post
    Published
    Nov. 7, 2014, 2:56 p.m.
    ...Table 2: Lab strains of E. coli Strain Natural resistance Primary Use Genotype ccdB Survival 2 T1R ...resistance to tetracycline Additionally, Table 2 provides a quick reference for some of the popular...thiamine metabolism Requires exogenous thiamine for growth ara disruption of arabinose metabolism pathway...little prokaryotic minions that carried out the labor-intensive process of replicating your new plasmid... Phage resistance gal Mutation in galactose metabolism pathway Cells cannot grow on galactose only ...repressed more   LacZ β-galactosidase activity abolished   lacY Lactose permease inactivated, lactose...plasmid stability recBCD Exonuclease V activity abolished Increased plasmid stability, reduced recombination...
  9. Cancer, Inflammation and Immunity - Harnessing the Body’s Defenses to Fight Cancer

    Type
    Blog Post
    Published
    July 6, 2017, 1:59 p.m.
    ...represent a favorable state for tumor progression (Ref 2). Future treatments may need to target this immunosuppressive...cell 30.1 (2016): 147-160. PubMed PMID: 27411589. 2. Todoric, Jelena, Laura Antonucci, and Michael Karin...Cancer, Inflammation and Immunity and learn more about “... recent findings in basic immunology, cancer-immune...curing cancer in cross-disciplinary projects and collaborations. Summarized by Professor Michael Karin from...This was followed by a talk from Professor Karin about alcohol and obesity as driving factors for chronic...got a chance to talk with Dr. Friedmann-Morvinski about tools used to analyse the tumor microenvironment...community, contact [email protected] to find out more about our free deposit and distribution service! References...
  10. 5 Great Apps for Lab Life

    Type
    Blog Post
    Published
    Sept. 22, 2016, 2:30 p.m.
    ... there is no worry about misplacing your results or losing that lab notebook from 2 years ago. The free...notebooks you’re saving trees! The Earth thanks you. 2. Gibco Cell Culture by Gibco Whenever I start to learn...enzyme, or name to discover all the information about that restriction enzyme or share it via email with... this app. However, if you get quizzed randomly about a hazardous chemical and can’t find your lab’s MSDS... new researchers or students beginning to learn about biochemistry. The least this app will do is allow...
  11. Antibodies 101: Introduction to Gating in Flow Cytometry

    Type
    Blog Post
    Published
    April 4, 2024, 1:15 p.m.
    ... intensity of the cell’s illumination (see Figure 2). H describes the maximum signal strength, while W...SSC-A, so most people use that setting. Figure 2: As the cell passes through the laser beam and causes...scale in proportion (while H and W do not; see Figure 2), single cell events will show up in a straight line...lymphocytes in a mouse tumor sample You made it! So much about the theoretical background. Let’s dive into the ...often choose a looser gate here. I am not worried about including irrelevant events in my analysis, as these...population, acquired from the previous gating pipeline, about 53% of my cells are dendritic cells and ~13% are...ve covered in this blog post. First, you learned about the types of scattering that occur when a cell is...
  12. CRISPR 101: Off-Target Effects

    Type
    Blog Post
    Published
    Feb. 8, 2024, 2:15 p.m.
    ...sites would confound your experimental results and 2) perform targeted off-target measurements at those...experiments where only localization of the Cas occurs. 2 gRNA approach Off-targets that come from mutations...perform downstream characterization of, isolating 2 or 3 distinct clones to perform key experiments on...is an off-target effect. Should I be concerned about off-target effects? Depending on your experimental...this could be a huge concern, or nothing to worry about all. Let’s consider several scenarios below for ...Predicting off-target events As mentioned in the above section, there are gRNA softwares available which...diligence to ensure they are indeed a non-issue. Above we mentioned how to predict off-target frequency...
  13. Targeted Mutagenesis with EvolvR

    Type
    Blog Post
    Published
    Feb. 21, 2019, 1:15 p.m.
    ...while increasing the standard mutation rate by only ~2-fold over nCas9 levels. Two sets of modifications ...10-3 mutations per nucleotide per generation, and (2) the addition of the thioredoxin-binding domain (TBD...blog Learn about other CRISPR methods for bacterial genome engineering   Learn more about lambda red ... genetic variants in bacteria. Read on to learn about the key components of EvolvR and its potential applications...
  14. Evolution of Lab Techniques

    Type
    Blog Post
    Published
    June 21, 2016, 2:30 p.m.
    ... is the genetic test used for sickle cell anemia (2). Southern blotting, in conjunction with restriction...program) can then reproduce the DNA sequence (Figure 2). Accuracy and accessibility led to the widespread...biology98.3 (1975): 503-517. PubMed PMID: 1195397. 2. Chang, Judy C., and Yuet Wai Kan. "A sensitive new...abundant in a sample. Whereas Southern blotting is labor intensive and requires a large amount of high-quality...DNA technologies that are now commonplace in laboratories. As scientific technologies rapidly progress...PMC4411503. Resources on the Addgene Blog Learn More about Restriction Cloning Get Tips on Analyzing DNA Sequencing...
  15. Visualizing Genomic Loci with CRISPR-Sirius

    Type
    Blog Post
    Published
    April 18, 2019, 12:53 p.m.
    ...that the signal to noise ratio can be increased from 2-fold (by CRISPRainbow) to 3-fold with CRISPR-Sirius...CNV) analysis of the U2OS cells.   Figure 2: CRISPR-Sirius tricolor labeling. (A) Diagram of sgRNA-Sirius...the Addgene blog Download our CRISPR eBook Learn about fluorescent protein-based tools Read all CRISPR ...
  16. Hot Plasmids - January 2023

    Type
    Blog Post
    Published
    Jan. 31, 2023, 2:15 p.m.
    ...is always best to have options.      Fig. 2: Addgene’s western blot for mEGFP-HRas (from Plasmid...the presence of oxidizing agents. Adapted from Fig. 2 Campbell et al, Nature Methods   Find YFP plasmids... minutes of FUS.  Similar constructs to the one above can be made for expressing your favorite T-cell ...
  17. Form Your Own Peer Mentoring Group: A How-To Guide for Scientists

    Type
    Blog Post
    Published
    Feb. 18, 2014, 4:22 p.m.
    ...The groups in these programs typically consist of 1-2 mentors and 3-5 mentees who meet together for an 8... together. If you all work at the same place, a 1-2 hour lunch on a regular schedule might work. If not...for Scientists Series. I have been thinking a lot about Mentoring for over 10 years. Many successful scientists...Medical School researcher Connie Cepko to learn about her mentoring style. While working on this project...postdocs I have started to talk to trainees more about peer mentoring. They want to find mentors to help... questions I get is, “What are we going to talk about?” There are an infinite number of ideas on the internet...from a lab, career or industry of interest – learn about their career paths and get their advice. Attend ...
  18. Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors

    Type
    Blog Post
    Published
    March 17, 2020, 1:32 p.m.
    ... systems to engineer better and faster ABEs (Fig. 2). These systems allow for rapid continuous protein...and less stringent phage selection. Figure 2: Phage-assisted evolution of base-editing activity...posts on base editing Read more about CRISPR Learn all the basics about CRISPR in our CRISPR 101 blog series...both changes simultaneously with 54% efficiency, about 7 times higher than ABE7.10. However, the increased...change C to T, G to A, A to G, and T to C, represent about two-thirds of known pathogenic point mutations. ...
  19. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

    Type
    Blog Post
    Published
    Feb. 24, 2015, 7:50 p.m.
    ...VP64 fusion; 2. A sgRNA incorporating two MS2 RNA aptamers at the tetraloop and stem-loop 2; 3. The MS2...that screen with a system you are really confident about working for most genes and individual targeting ... system, Konermann explained, was new knowledge about Cas9’s crystal structure. “I thought maybe we could...RNA we use. What we have to do now is learn more about the rules.” He said that there is no theoretical...References & Further Reading: For more information about SAM, including a tool for getting optimized guide...
Showing: 201 - 220 of 519 results