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We narrowed to 790 results for: Cre

Showing: 301 - 350 of 790 results

  1. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    Published
    Oct. 23, 2018, 11:49 a.m.
    ...transfer plasmid at 30 °C instead of 37 °C and then screen for ITR recombination with a SmaI or XmaI restriction...duplicated regions like the ITRs. Restriction digest screening for ITR deletion is still necessary. To save time...mL of my AAV transfer plasmid cultures and then screen with SmaI digests. I freeze the bacterial pellet...how iodixanol purifications works, shows how to create the iodixanol gradient layers, and has some great...master iodixanol AAV purification. If you’re new to creating gradients, practice making the iodixanol layers...

  2. Golden Gate Assembly Upgrades: More Fragments, Faster Assembly, and Higher Fidelity

    Type
    Blog Post
    Published
    Oct. 11, 2018, 12:30 p.m.
    ...suppression of background by antibiotic selection. Screening of transformants by colony PCR confirmed the insertion...obtained if any single component was omitted. Screening for successful Golden Gate Assembly All Golden..., Table 1). These improvements (5- to 12-fold increases in the number of transformants while maintaining...to faster assembly workflows that require less screening to confirm the accuracy of assembly. The fidelity...test the limits of DNA assembly approaches with increasingly complex experimental conditions. The ability...

  3. 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...

  4. 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 ...

  5. 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...

  6. 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...

  7. 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...

  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. 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...

  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. 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...

  12. 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....

  13. 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...

  14. 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...

  15. 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...

  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. Plasmids 101: Expressing shRNAs for RNA Interference

    Type
    Blog Post
    Published
    June 17, 2025, 1:15 p.m.
    ...Dicer chops off the loop of hairpin structures to create a mature siRNA duplex. Fun fact! Endogenous miRNA...production starts with transcription of the miRNA to create pri-miRNA, which is then processed by a complex...shRNA and miRNA processing and silencing pathways. Created on BioRender.com.   Expressing shRNAs using...Highlighted blue regions show flanking genomic sequence. Created on BioRender.com. When it comes to the backbone...expression of specific mRNAs. shRNAs are a quick way to create stable knockdown cells lines, and you can usually...

  19. Viral Vectors 101: Integrase-Deficient Lentiviral Vectors

    Type
    Blog Post
    Published
    May 13, 2025, 1:15 p.m.
    ... used for a variety of research purposes, like creating stable cell lines, delivering CRISPR/Cas9 to cells...vector with an integrase-deficient viral vector. Created with BioRender.com. What are integrase-deficient... episomal forms of non-integrating transgenes. Created with BioRender.com; adapted from Banasik and McCray...regions of the genome (Schröder et al., 2002), thus increasing the risk for insertional mutagenesis. This integration...remember: You can never trust a lentivirus with secrets... Because they tend to insert themselves into ...

  20. 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 ...

  21. 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...

  22. 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...

  23. 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...

  24. Plasmids 101: Dimers and Multimers

    Type
    Blog Post
    Published
    Jan. 10, 2023, 2:15 p.m.
    ...generated by SnapGene software.  Thanks to increasing affordability and accessibility, more researchers...by growing seed stocks at 30°C compared to 42°C. Screen multiple colonies to isolate the monomer Sometimes... 1984; Summers et al., 1993). In these cases, screening multiple bacterial colonies using one of the detection...DNA-forming sequences and WRN deficiency independently increase the frequency of base substitution in human cells... self-control and a sense of direction are the secrets of multicopy plasmid stability. Mol Microbiol. ...

  25. Plasmids 101: Repressible Promoters

    Type
    Blog Post
    Published
    Dec. 20, 2022, 2:15 p.m.
    ...promoters and create sophisticated patterns of UAS-driven gene expression. To further increase the complexity...system into a repressible system, Gossen and Bujard created the tetracycline-controlled transactivator (tTA...bacterial operons. A chimeric transactivator, cTA, was created by fusing CymR to the activation domain VP16. cTA...state, and co-expression of the inducer QF can increase QUAS driven expression by ~3,300-fold in Drosophila...

  26. Finding Your Perfect Job After University

    Type
    Blog Post
    Published
    Jan. 12, 2016, 3:30 p.m.
    ... is a tumour suppressor. This summer role was incredibly valuable because it was a set duration of only...with the large scale data analysis, as this is increasingly reliant on programming skills which are not ...attempted was more meetings, but this simply seemed to create more bureaucracy. As with any large company (both...detection and diagnosis of different types of pancreatic cancer and highlighting which treatment would... mutations. This is a particular challenge in pancreatic cancer where one drug does not work for all patients...

  27. Celebrating the 2024 Nobel Prize in Chemistry

    Type
    Blog Post
    Published
    Oct. 17, 2024, 1:15 p.m.
    ...understanding of how protein folding works and creating biological tools not found in nature. Dr. Baker... Figure 1: Top7 receives the Nobel Prize. Created with BioRender.com. Top7 gets its name from...approximate, two-dimensional map. The Baker Lab wanted to create a new fold that is not present in nature (at least...simply to be stable and novel, the principles that created it have been applied to numerous other protein ...

  28. CRISPR Cheat Sheet

    Type
    Blog Post
    Published
    Jan. 27, 2021, 2 p.m.
    ...example) that are used to increase or decrease expression of a gene. Screen: A library of gRNAs with a...cell population. The resulting mutant cells are screened for phenotypes of interest. Limitations of CRISPR...

  29. Congratulations, Deck The Lab winners!

    Type
    Blog Post
    Published
    Jan. 14, 2021, 1:30 p.m.
    ...annual Deck the Lab competition drew upon the creativity of the community, who delivered impressive science-themed... used an impressive variety of lab materials to create their decorations! Despite all the craziness of...first place in the home edition, the MicrobiGals created glow in the dark petri dish ornaments and microbe...December 23, 2020   In second place, Dr. Anne Madden created a microbe advent tree displaying over 25 archaea...

  30. Finding Your Science Policy Path

    Type
    Blog Post
    Published
    Sept. 22, 2020, 1:15 p.m.
    ...Each path to science policy is unique and this creates a rich and diverse workforce. Out of all the career...QUESTION. Science policy is the work you do to creatively connect seemingly disparate individuals and ideas...also happen at the state and local level. The big secret about science policy that I didn’t learn until ...bring researchers to Congress to advocate for increased science funding and other issues. Whether you ... field where you have no specific scientific credentials.  But before you even apply to that first science...

  31. Transferable Skills Guide: Teamwork

    Type
    Blog Post
    Published
    Nov. 28, 2017, 2 p.m.
    ...my partner Mike and I split the work, shared the credit, and we both won accolades that would launch our..., the Senior Scientist who coordinates all kit creation and quality control efforts with depositors; .... We worked with Andrew, the team’s founder, to create a mission statement in the first few meetings and...becoming part of a team is a really good way of creating and strengthening those social bonds. So never...communication options. Addgene, along with an increasing number of academic labs, uses Slack constantly...

  32. Lambda Red: A Homologous Recombination-based Technique for Genetic Engineering

    Type
    Blog Post
    Published
    Dec. 15, 2016, 3:57 p.m.
    ... to screen for positive clones in most cases, and restriction enzyme digest can be used to screen plasmids...strand was degraded. Beta: Beta protects the ssDNA created by Exo and promotes its annealing to a complementary...recombination frequency between 0.1% to 1%, and can be increased to as high as 25-50% by designing oligos that ...recombination than dsDNA substrates, so you should screen more clones when using dsDNA. Have you used the...

  33. Sequencing Options for CRISPR Genotyping

    Type
    Blog Post
    Published
    Oct. 4, 2016, 2:30 p.m.
    ...be used in concert with in silico prediction to create a more comprehensive list of off-target editing...of DSBs throughout the genome. However, their decreased sensitivity means that the best option moving ...with a focus on the ways science can be used to create a more just and equitable society. Read more at.... Bell, Charles C., et al. "A high-throughput screening strategy for detecting CRISPR-Cas9 induced mutations...Learn to Use Cas9 Activators Perform Genome-Wide Screens with CRISPR Generate Mouse Models with CRISPR/Cas9...

  34. Developing Transferable Skills During Science Training

    Type
    Blog Post
    Published
    June 3, 2014, 2:14 p.m.
    ...paths. Check out Joanne's Reddit AMA Here are some concrete things you can do to develop those transferable...Manage a project involving multiple scientists, create and stick to timelines Be a mentor in a formal ...If opportunities don't exist in your department, create them and show your leadership skills too. Teach...are always excellent Technical knowledge and creativity Become a “thought leader,” develop a technical...

  35. Special Delivery: Fluorophore Targeting for FRET Studies

    Type
    Blog Post
    Published
    July 19, 2016, 2:30 p.m.
    ... drug discovery by big pharma (i.e. HTRF and LanthaScreen) (Degorce et al., 2009), measuring intracellular...are critical in setting up a FRET-based assay or screen (the Addgene blog has an excellent primer on FRET... biomolecules each containing multiple binding crevices that can nonspecifically soak up your fluorophore...donors (Fig. 1). Scores of FP variants have been created, thereby enabling a broad spectrum of donor fluorescence...strategies. FRET experimental design lends itself to creativity and innovation, valuable commodities in any NIH...

  36. Scientific Sharing in the Time of COVID-19: Databases and Resources

    Type
    Blog Post
    Published
    May 12, 2020, 1:15 p.m.
    ...COVID-19 research? We decided to give it a try, by creating a service for COVID-19 researchers. So far, we...to researchers worldwide. “COVID-19 has spread incredibly fast and without any notion of national boundaries...-19. “Open scientific sharing is important for creating research synergies and accelerating the translational... but we believe that by coming together, we can create a significant impact on both clinical care and ...

  37. 2023 and 2024: Reflections and Looking Ahead

    Type
    Blog Post
    Published
    Jan. 23, 2024, 2:15 p.m.
    ... The MORF library is only one of 22 libraries, created from 14 deposits, that became available through...would be remiss not to mention that 2024 is an incredibly special year for Addgene: it marks our 20th anniversary...twenty years while seizing new opportunities to create even greater value for the scientific community...every Addgenie, thank you for twenty years of incredible success, and for believing, as we do, that sharing...

  38. IBEX Knowledge-Base: A Data Resource for Multiplex Tissue Imaging

    Type
    Blog Post
    Published
    June 8, 2023, 1:15 p.m.
    ...including Andrea Radtke, PhD, and Ziv Yaniv, PhD, have created the IBEX Knowledge-Base, a community repository...from the Zenodo dataset.     Figure 2: Screenshot showing reagent entries with associated metadata...others in the IBEX community.   Figure 3: Screenshot showing recent topics in the IBEX discussion ...when designing the IBEX Knowledge-Base, seeking to create an iterative process that is constantly becoming...

  39. Selecting Your Plasmid Purification Kit

    Type
    Blog Post
    Published
    May 27, 2025, 1:15 p.m.
    ...kit size, it may be tempting to try increasing your input to increase your output. But, exceeding a kit’...their relative qualities and quantities. Image created in BioRender.com. Transformation Grade DNA...that you are left with pure plasmid DNA. Image created in BioRender.com. For the clean-up stage, plasmid...kit.   Do you want eco-friendly options? It’s no secret that labs produce a lot of waste. If you are looking...

  40. An Addgene Co-op: The Intersection of Fun, Friendship, and Work

    Type
    Blog Post
    Published
    June 29, 2023, 7 p.m.
    ...within content and business.  Joining the Addgene crew!  This pattern was consistent: everyone I spoke ...One of the bigger projects I was tasked with was creating and sustaining a biweekly report of our social...coworkers and that trust then translated into this incredible experience.  Of course, I wasn’t presenting to... research on loads of different best practices, create an email strategy, and make the occasional TikTok...

  41. Oh, The Places You Can Go: Careers in Science Communication - Product Development

    Type
    Blog Post
    Published
    Oct. 18, 2017, 1 p.m.
    ... at eScience Labs, an educational company that creates hands-on science lab kits and digital curricula...writing is clear, Caitlin’s career plans weren’t concrete when she finished grad school at the University...their research from the bench to the classroom by creating the outline of a college level course based on...

  42. The Blue Flame Award: Celebrating Addgene's Most Requested Depositors

    Type
    Blog Post
    Published
    Nov. 14, 2016, 3:30 p.m.
    ... to honor the creativity, passion, and dedication to sharing epitomized by the creators of these plasmids...distribute our plasmids via Addgene. Given the increasing popularity of CRISPR in the plant community, ... to send these small tokens of thanks for the incredible impact our depositors have had on Addgene and...

  43. Sleeping Beauty Awakens for Genome Engineering

    Type
    Blog Post
    Published
    June 30, 2015, 2 p.m.
    ... then degraded by the cell.4.) The transposase creates a double strand break in the DNA and allows the...transposase gains its name from the fact that it was recreated from a defective transposase found in fish. This...transposases. Improvements have been made since then by increasing the consensus between a greater number of extinct...primary cells. In 2009, Zsuzsanna Izsvak’s lab screened many SB tranposase variants for hyperactivity ...

  44. Meet the New Addgene Board Members!

    Type
    Blog Post
    Published
    April 28, 2020, 1:14 p.m.
    .... “They took a dividing yeast and did a genetic screen to identify the factors that regulate cell division...Leuven in Belgium. “That’s where I not only got incredibly compelled by wet bench molecular research, but... over the years. “Some of the walls we’ve built create inefficiencies that ultimately make innovation ...science slow,” Vandenberghe says. “The continuous creativity that Addgene takes to find ways to disrupt these...

  45. Intro to Our Summer SciComm Series!

    Type
    Blog Post
    Published
    June 9, 2022, 1:15 p.m.
    ...who are also students in AP biology classes Creating a podcast about genetics using dog breeds as an...structure, and intent to the messaging - while also creating space for people outside of the primary audience...your team?)  Defining your audience allows you to create common ground and understanding that you can use...Image courtesy of Ron Mader, via Flickr, under the Creative Commons license     ...

  46. Antibody Neutralization Response Against Pseudoviruses Expressing SARS-CoV-2 Spike Protein Variants

    Type
    Blog Post
    Published
    June 22, 2021, 1:15 p.m.
    ... of several SARS-CoV-2 variants coincide with increased vaccination efforts. So, how effective are the...Neutralization levels against spike pseudovirus decreases depending on the variant. The lowest levels of... assay to study SARS-CoV-2 spike variants. “We created a series of spike expressing plasmids which encode...different circulating variants. This allowed us to create pseudoviruses that represent lineages and variants...

  47. Identifying Sequence Elements with SnapGene's Feature Database

    Type
    Blog Post
    Published
    Dec. 21, 2017, 2:06 p.m.
    ...and Benjamin Glick from SnapGene. SnapGene was created to meet a need. While there were software tools...the DNA molecules they were using. SnapGene was created to alleviate these problems through good software...control elements. Development of this tool required creating a database of common features, and devising rules...the beginning or end of the feature. With the increasing popularity of gene synthesis, many researchers...

  48. 10 Great Guest Posts We're Thankful For

    Type
    Blog Post
    Published
    Nov. 18, 2016, 3 p.m.
    ...reminds us that, although fluorescent proteins are incredibly useful, chemical fluorophores can still be used...Dangerous Viruses Contributed by guest blogger Tessa Cressy from the labs of Dr. Elke Mühlberger and Dr. Rachel...CombiGEM and CRISPR for Combinatorial Genetic Screening CombiGEM is a technology that can be used to quickly...barcode small libraries of CRISPR gRNAs to use for screening experiments. Get the full details on how to make...

  49. Viral Vectors 101: Inverted Terminal Repeats

    Type
    Blog Post
    Published
    Oct. 19, 2023, 1:15 p.m.
    ...promoter, the gene of interest, and a polyA signal. Created with biorender.com. ITR structure  ITRs are symmetrical... and terminal resolution site (trs) are noted. Created with biorender.com. ITR modifications and types...containing transcription factor binding sites can increase transgene expression and transduction efficiency...terminal repeats reduces rAAV productivity but increases transgene expression. Sci Rep, 7(1), 5432. https...

  50. Synthesized by Ginkgo Bioworks, Shared by Addgene: SARS-CoV-2 Plasmids for Many Expression Systems

    Type
    Blog Post
    Published
    May 19, 2020, 1:15 p.m.
    ...sequencing by NGS. Addgene’s QC scientists immediately screen these plasmids to confirm they contain the expected...of plates will have select samples prepared and screened by NGS to spot check the samples, the rest will...are requested by scientists, will immediately be screened by our QC scientists to confirm the plasmids contain...By leveraging our core strengths of intensive screening and the use of high throughput platforms, Addgene...
Showing: 301 - 350 of 790 results