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Showing: 301 - 320 of 784 results
  1. Antibodies 101: Flow Compensation

    Type
    Blog Post
    Published
    May 16, 2024, 1:15 p.m.
    ...needs to be compensated out of APC-Cy7. After increasing the compensation values for APC against APC-Cy7...to be shifted towards the x-axis, so you would increase the compensation value for APC. If the population... to be shifted away from the x-axis, you would decrease the compensation value.   Figure 1: Compensation...population needs to be shifted towards an axis, increase the compensation value, whereas if it the population...population needs to be shifted away from an axis, decrease the compensation value. If neither of these helps...
  2. PITChing MMEJ as an Alternative Route for Gene Editing

    Type
    Blog Post
    Published
    Feb. 23, 2016, 3:30 p.m.
    ... deletions or homology-directed repair (HDR) to create precise genome edits. But have you heard of another...depositor Takashi Yamamoto’s lab has harnessed MMEJ to create a new method for CRISPR gene knock-in, termed PITCh...PITCh plasmids, GFP knock-in cell lines can be created in about a month and a half, without the need for...PITCh-gRNA, and the locus-specifc gRNA. The PITCh-gRNA creates two DSBs in the PITCh plasmid to release the cassette... alter expression of the gene it follows. For increased versatility, it would be advantageous to adapt...
  3. Plasmids 101: Multicistronic Vectors

    Type
    Blog Post
    Published
    Sept. 9, 2014, 8:20 p.m.
    ... or the creation of bicistronic or multicistronic vectors. Unlike promoters which will create unique mRNA...resistance gene. These reporters allow you to easily screen or select for cells that are expressing your gene...interest at high levels. Unlike vectors that express screenable or selectable markers from a unique promoter,...now download Addgene's new eBook! Our goal was to create a one-stop reference guide for plasmids. We've ...
  4. Optogenetics + CRISPR, Using Light to Control Genome Editing

    Type
    Blog Post
    Published
    Sept. 3, 2020, 12:15 p.m.
    ...researchers saw an 11-fold increase in mRNA levels after 2 hr and a 400-fold increase after 30 hr. The system...(CIB1) proteins. The goal of both groups was to create a system that would use light to turn on and off...domain to each of the Cas9 fragments, the authors created a photoactive Cas9 tool, as shown in the figure...binding and cleavage. This technique was applied to create photoswitchable spCas9, dCas9, and S. aureus Cas9...Gilgenast TG, Gong W, Beagan JA, Raj A, Phillips-Cremins JE (2019) LADL: light-activated dynamic looping...
  5. Don’t FRET: Bimolecular Fluorescence Complementation Makes Visualizing Protein-Protein Interactions Easy

    Type
    Blog Post
    Published
    Aug. 27, 2020, 1:15 p.m.
    ...large number of constructs for high-throughput screening of PPIs. For example, Bischof et al. (2018) generated...generated an open reading frame (ORF) library to screen PPIs among 450 transcription factors in live fruit...organisms lags behind. BiFC can also be used to screen for small-molecule inhibitors of a particular PPI...Here, one of the endogenous PIPs is expressed at increasing levels alongside your BiFC constructs. If your...co-expressing one of the endogenous PIPs should decrease the BiFC signal in a dose-dependent manner. This...
  6. Capturing a Moment with Marc Zimmer’s “The State of Science”

    Type
    Blog Post
    Published
    July 30, 2020, 1:15 p.m.
    ...CRISPR, and the challenges of science becoming increasingly politicized. It would be nearly impossible for...all of these things contributed to the steadily increasing distrust the general public has in science and...self-promotion, and personality is playing an increasingly important role in science. The science produced...reserved Franklins and Prashers will find it increasingly difficult to compete (for funding, etc.) with...chapter on deep learning addresses the dilemma of creating a technology that could eventually replace scientists...
  7. Course-Based Undergraduate Research Experiences (CUREs)

    Type
    Blog Post
    Published
    Feb. 9, 2023, 2:15 p.m.
    ... 2021). In fact, completion of Provost’s CURE increased students’ confidence in their research capabilities...projects have also been proposed as a mechanism for increasing diversity and inclusion in STEM disciplines (... Brownell, 2014; Duboue et al., 2022), as they increase student interest in scientific career paths while... Provost believes these networking experiences increase student enthusiasm, and research backs up that...undergraduate research experiences are a “CURE” that increases engagement by students and teachers. FEMS Microbiology...
  8. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    Published
    Aug. 13, 2024, 1:15 p.m.
    ...Komagataella phaffii (a.k.a  Pichia pastoris) because it secretes fewer of its own proteins, making the purification...production of Fab fragments where variable chains are secreted into the periplasmic space to be oxidized and ...incubation time to maintain cell viability and increase protein production (Schwarz et. al., 2020). Harvest...   Figure 1: The steps of rAb production. Created with biorender.com   Another method of harvesting...contaminating bands or a few strong ones, consider increasing the number of washes performed during your harvest...
  9. CRISPR Antimicrobials

    Type
    Blog Post
    Published
    May 3, 2016, 2:30 p.m.
    ...newest line of defense against bacteria. Created with BioRender.com.   The problem of antibiotic...may also induce cell death. CRISPR also enables increased specificity - rather than targeting a process ...mouse skin colonization model, phagemid treatment decreased the proportion of virulent S. aureus from 50% ...death. Image from Beisel et al., licensed under a Creative Commons Attribution 4.0 International License....rendering the population sensitive to antibiotics. Created with BioRender.com. Phages could be used to...
  10. CRISPR 101: Making a Knock-In Cell Line

    Type
    Blog Post
    Published
    Dec. 22, 2022, 2:15 p.m.
    ...the templated DNA. Check out our blog post on increasing HDR efficiency to read more about optimizing ...pathways have been shown to be efficacious for increasing knock-in events (Yang et al., Int J Mol Sci)....culture media prior to and after Cas9 introduction increases HDR, just make sure to remove the inhibitors within...Early HR factors fused to Cas9 have been shown to increase HDR frequency by committing a break to performing...reading up on validating genome edits to find screening strategies for your experiment. Also learn about...
  11. Negotiating Work and Life: How to Find the Joy

    Type
    Blog Post
    Published
    March 20, 2014, 3:04 p.m.
    ... shalt create community to help Involve family. If you don’t have local family to help, create “fake” ... on the Society for Laboratory Automation and Screening (SLAS) Electronic Laboratory Neighborhood.   Work... to church, join a club, meet the neighbors and create a network of support to help with elder care, carpooling...partner – no kids. Get a massage – no guilt. Have recreational time with your friends – no spouses or kids....
  12. Analyzing CRISPR Editing Results with ICE from Synthego

    Type
    Blog Post
    Published
    May 8, 2018, 1 p.m.
    ...to solve this problem. This tool was initially created to support the CRISPR analysis needs of Synthego... sgRNAs. Since multiplexing is commonly used to create functional knockouts or large deletions, the ability...optimizing and no complicated steps to learn. For increased flexibility and scalability, the ICE software ...editing analysis Once the analysis is complete, a new screen appears with a graphical representation of the ...Data button on the bottom right of the analysis screen. ICE analysis details Contributions   The Contributions...
  13. Transferable Skills Guide: External Collaborations

    Type
    Blog Post
    Published
    April 19, 2018, 1:25 p.m.
    ...careers. External collaborations are becoming increasingly important as more complex approaches to scientific...seminar to connect the imaging community and to create a platform for discussions and potential collaborations...postdoctoral work there are loads of opportunities to create communities, platforms, and to be a part of projects...your ideas and don’t be afraid to make something concrete happen. You may have more willing collaborators...make sure to share them with a short note - this creates a thoughtful way of interacting and is much more...
  14. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

    Type
    Blog Post
    Published
    Sept. 28, 2020, noon
    ...is possible with efficiency >70%. CRMAGE is an incredibly fast protocol, with only 5 hours incubation time...system that combines recombineering with CRISPR to create a system for scarless, iterative genome engineering... pathways within this genus, Huimin Zhao’s lab created two “pCRISPomyces” systems for use in Streptomyces...CRISPR in bacteria, they also led early efforts creating tools for CRISPRi and CRISPRa (Bikard et al., ... in Mycobacterial species, Sarah Fortune’s lab screened 11 other Cas9 orthologs to identify a more efficient... used to engineer the bee gut microbiome. They created a modular system using a broad host range plasmid...
  15. Proximity Labeling: A Powerful Tool for Protein Complex Purification and Proteomic Mapping

    Type
    Blog Post
    Published
    Dec. 2, 2019, 2 p.m.
    ... ligase The Roux Lab in 2016 optimized BioID to create BioID2, a smaller and improved promiscuous biotin...was its low sensitivity. Sensitivity could be increased with higher expression levels but for many fusion...until they identified a mutant with significantly increased sensitivity that did not affect the function or...miniTurbo were developed in the Ting Lab in 2018 to increase the speed of proximity labeling by promiscuous... BASU exhibits 1,000 fold faster kinetics and increases the signal to noise ratio 30-fold compared to ...
  16. Fluorescent Proteins 101: GFP Fusion Proteins - Making the Right Connection

    Type
    Blog Post
    Published
    April 9, 2019, 1:13 p.m.
    ...fluorescent protein can be truncated to increase the FRET efficiency. Creating fusions at the N- and C- termini...double the size of the protein. In addition, it increases avidity because it doubles the number of binding...non-aliphatic amino acids. However, long linkers increase the chance that a fusion protein is cleaved by...Sheridan, Douglas L., et al. "A new way to rapidly create functional, fluorescent fusion proteins: random...
  17. The Fluorescent Vegetables in Aptamer Soup

    Type
    Blog Post
    Published
    Jan. 29, 2019, 2:27 p.m.
    ...for quantitative imaging, Ming Hammond’s group created Spinach2 using site-directed mutagenesis of Spinach...was cloned into bacterial expression vectors to create a library. Bacteria were transformed, and then ...for in vivo studies. Dimerization of Broccoli increases its fluorescence by about 1.8-fold, and may be...for greater contact with its RNA aptamer. This increased interaction between Corn and its small molecule... to TO1-biotin. Two of these variants exhibit increased brightness compared to Mango, and all are photostable...
  18. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

    Type
    Blog Post
    Published
    Oct. 11, 2016, 2:30 p.m.
    ... optimized Cas9 variants have been created in an effort to increase translation in a particular plant ... the development of disease-resistant crops to increase agricultural yield (Wang et al., 2016; Wang et... the intervening region into the plant genome. Created with BioRender.com. In recent years, deaminase-mediated...Addgene carries several useful CRISPR toolkits for creating plant expression plasmids, including plant CRISPR...
  19. Plasmids 101: Gibson Assembly and Other Long-Homology Based Cloning Methods

    Type
    Blog Post
    Published
    March 1, 2016, 3:30 p.m.
    ...highly recommend watching this entertaining video created by our friends on the Cambridge 2010 iGEM team ...of homology at their ends, which are typically created by PCR. Then, the fragments are incubated together... homology between neighboring fragments can be created via PCR amplification with primers that contain...typically fairly high, so there is usually no need to screen a large amount of colonies. Excluding the time ...advantages that Gibson assembly does not such as increased efficiency, shorter incubation times, or the ability...
  20. Viral Vectors 101: AAV Variables That Matter

    Type
    Blog Post
    Published
    June 1, 2023, 1:15 p.m.
    ...from Aschauer et al., 2013, Figure 1. Used under Creative Commons Attribution License. Within the nervous...can become methylated over time, resulting in decreased expression (Damdindorj et al., 2014; Nieuwenhuis...from Griffin et al., 2019, Figure 4. Used under Creative Commons Attribution 4.0 International License....vice versa. The total volume needed, however, increases with the size of the region you want to cover ... effects (e.g. recombinase-dependent vectors) increases with the amount of virus you add, so it is strongly...
Showing: 301 - 320 of 784 results