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We narrowed to 250 results for: cas9 genes

Showing: 181 - 200 of 250 results

  1. INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons

    Type
    Blog Post
    Published
    Dec. 7, 2020, 2:53 p.m.
    ...effectors employed by Type II systems (such as CRISPR-Cas9). Unlike in regular Type I CRISPR-Cas systems, however...plasmid (pEffector) expresses all seven required genes and the CRISPR RNA under the same promoter, and ...bacteria, alongside more established tools such as Cas9-recombineering, CRISPRa/i, and base editing. Leveraging...genomic insertions and/or deletions, to multiplexed gene knockouts (Vo et al., 2020), to multi-copy genomic...a wide variety of applications - as mutagenesis tools for genetic studies (e.g. using mariner), as a method...Medical Center. DNA transposons are ubiquitous genetic elements capable of spreading within and between... CRISPR-Cas, these systems represent the next generation of tools for efficient and programmable insertions...

  2. Addgene’s Top 10 Blog Posts from 2014

    Type
    Blog Post
    Published
    Dec. 16, 2014, 8:01 p.m.
    ...Resistance Genes By Marcy Patrick Plasmids 101: Yeast Vectors By Marcy Patrick CRISPR-Cas9 FAQs Answered...community, so email us at blog@addgene.org if you are interested. Addgene's Most Popular Posts of 2014 ...year in science – as seen through the lens of Addgene’s blog and plasmid repository. Our blog is just ... Competent Cells” has been extremely popular, generating many additional questions. We’re happy to see...

  3. Plasmids 101: Modular Cloning Applications and Kits

    Type
    Blog Post
    Published
    May 14, 2024, 1:15 p.m.
    ...cross-cassette interactions in gene expression, and to generate multi-gene knockouts. Mammalian and fly ...High-Efficiency Genome Editing in Plants Mediated by a Cas9 Gene Containing Multiple Introns.” Plant Communications... to generate anything from individual transcription units (TUs) used to express your favorite gene-of-...While a generic MoClo system for any given species can be repurposed for CRISPR applications (gene insert...insert = Cas9 + gRNA), Addgene distributes specialized CRISPR kits too. The AspFlex Kit was developed to ...DNA assembly tool used to build single- and multi-gene constructs for a variety of applications. MoClo ...several additional capabilities, including conditional gene expression, multiplexed CRISPR, and chromosomal ...

  4. PRIDICT: Predicting Efficiencies of Prime Editing Guide RNAs

    Type
    Blog Post
    Published
    June 25, 2024, 1:15 p.m.
    ...2023). This method uses a prime editor (typically a Cas9 H840A nickase fused to a reverse transcriptase) ...to make sense of biology, with a special focus on gene editing techniques. References and resources References...Steensel, B. (2021). Impact of chromatin context on Cas9-induced DNA double-strand break repair pathway balance...2019). SpCas9 activity prediction by DeepSpCas9, a deep learning–based model with high generalization performance... and PE5 prime editing strategies) based on a DeepSpCas9 score ranking (Kim et al., 2019). PRIDICT saves... versatile genome manipulation. Nature Reviews Genetics, 24(3), Article 3. https://doi.org/10.1038/s41576...). Chromatin context-dependent regulation and epigenetic manipulation of prime editing. Cell. https://...

  5. Viral Vectors 101: Preparing Pooled Libraries

    Type
    Blog Post
    Published
    July 13, 2023, 1:15 p.m.
    ...Resources and references References Genome-scale CRISPR-Cas9 knockout and transcriptional activation screening...Brigham MD, Sanjana NE, Zhang F. Genome-scale CRISPR-Cas9 knockout and transcriptional activation screening...If you’ve ordered a pooled library from Addgene, you may have been a little surprised at how this powerful...deposited many types of pooled libraries here at Addgene, including cDNA, barcoding, screening, and gRNA...gRNA libraries. Most of the pooled libraries at Addgene are lentiviral pooled libraries, though other types...types exist.  When you buy a pooled library from Addgene, you can either order a DNA pooled library, which...single tube, or a pre-made viral prep library. Addgene’s pooled libraries are typically DNA preps, but ...

  6. Adeno-associated Viruses (AAVs) for Genome Editing

    Type
    Blog Post
    Published
    March 27, 2018, 1:32 p.m.
    ...fantastic gene delivery vehicles for episomal gene expression and are particularly useful for gene delivery...downstream of a functional promoter (gene traps). The resultant gene targeting system could be used to routinely...tumor suppressor genes in human cells (Kim et al 2008). They have also used AAV gene editing to introduce...your gene of choice. These vectors are very similar, both with polylinkers for the addition of gene-specific...acceptor-IRES-neoR gene, which enhances the efficiency of homologous integration via gene trap enrichment...promoter-driven TK-neoR gene. To modify these tagging vectors for your specific gene, the lab recommends ...experiments, the floxed neoR gene is removed via infection with adeno-cre. AAV-based gene editing compared to ...

  7. Editor's Choice, October 2016

    Type
    Blog Post
    Published
    Nov. 4, 2016, 2:30 p.m.
    ...Community Engineering the Plant Genome Using CRISPR/Cas9 Healthcare Consulting: A Door to the Business of...Posts Last month there was plenty of excitement at Addgene. Our new viral service has begun to pick up steam... Lego Movie). October was no less busy for the Addgene blog which once again had record readership with...

  8. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

    Type
    Blog Post
    Published
    May 2, 2019, 12:41 p.m.
    ... and the gene that is responsible is understood. It’s possible to actually silence this gene with RNAi...only 1,700 genes total). Hydra (Celina Juliano) This is a known stem cell and regeneration model. Little... human interaction for all of us studying human genes in test tubes and gels). As a freshman in college... I studied development and evolution of histone genes in Strongylocentrotus purpuratus, the spiny purple...   It’s not an overstatement to say that CRISPR/Cas9 editing is one of the key tools now providing access...direct tests of cause and effect hypotheses between gene function and phenotypes in diverse plants, animals...frog cell lines to develop robust methods for frog gene editing. They edit in a cell line, then take the...

  9. Fluorescent Proteins 101: When GFP lets you down

    Type
    Blog Post
    Published
    Aug. 23, 2018, 12:05 p.m.
    ...nuclease-deficient Cas9 can bind loci in the genome that are defined by a gRNA. Since Cas9 is a protein, a...expected to grow with the ever-expanding genetic toolbox generated by the continuous effort of numerous scientists...). GFP is the most popular, most widely used genetically encoded fluorescent probe. Several factors contribute...probe, it is the first choice when selecting a genetically encoded fluorescent tag. There are, however, ...1998). Another mutation (A206K) is necessary to generate the strictly monomeric EGFP variant, mEGFP (Zacharias..., followed by an intramolecular reaction that generates the chromophore (Tsien, 1998). Importantly, this...Thorn, 2017). These fluorescent analogues are generally added to the bathing solution and require uptake...

  10. CRISPR 101: Any Base Transversion Editors

    Type
    Blog Post
    Published
    April 1, 2025, 1:15 p.m.
    ...inserted the deaminase into the C-terminal domain of Cas9, which narrowed the editing window and reduced A...site. Like in most other base editor designs, the Cas9 nicks the non-edited strand to encourage the cell... The HuidaGene Therapeutics team has deposited their editors, called gTBE and gCBE, with Addgene. gTBE...editors were developed, though, researchers at HuidaGene Therapeutics guessed that fusing MPG to an ABE...this promising start, the team used rational mutagenesis to produce the adenine transversion editor AYBEv3...and ABEs, they could be useful for saturation mutagenesis, and they provide a strong proof of concept for.... gGBE consists only of engineered MPG fused to nCas9. First, MPG removes the G base from DNA to create...

  11. Finding nucleic acids with SHERLOCK and DETECTR

    Type
    Blog Post
    Published
    April 16, 2020, 1 p.m.
    ...similarly to Cas9 (Zetsche et al., 2015 ). Cas12a however recognizes a different PAM site and generates 5’ and... last few years, scientists have utilized CRISPR-Cas9 protein variants, Cas13, and Cas12a, to develop ...little as an hour. Find the SHERLOCK plasmids at Addgene! Applications of the SHERLOCK detection system ...j.cell.2015.09.038 Additional resources on the Addgene Blog Learn about using toehold switches to detect...multiplex genome editing abilities Resources on Addgene.org Checkout our CRISPR guide page Browse the CRISPR...

  12. Editor's Choice, August 2016

    Type
    Blog Post
    Published
    Sept. 2, 2016, 1:32 p.m.
    ...Directed Mutagenesis by PCR Google Forums Round Up: First Impressions of NgAgo CRISPR Between the Genes: How...Viral Transductions Single Base Editing with CRISPR Cas9 Activators: A Practical Guide 10 Steps to a Perfect...quick way to generate many mutated plasmid constructs. The second post was contributed by Addgene Scientist...month including a first of its kind for the Addgene blog - Addgene Software Engineer Kris Shamloo wrote a ... Read All Our Editor's Choice Blog Posts The Addgene Blog has had quite the up-tick in views over the...optimize and troubleshoot the system. Site Directed Mutagenesis by PCR & Single Base Editing with CRISPR For ...and discusses a newer, CRISPR-based technique to generate C->T or G->A transitions in a target sequence ...

  13. Our Most Popular Blog Posts from 2019

    Type
    Blog Post
    Published
    Dec. 31, 2019, 2:26 p.m.
    ...flexibility to CRISPR editing. Using a fusion between Cas9 and reverse transcriptase and a prime editing guide... biology over the past year: CRISPR, optogenetics, chemogenetics, plasmids, fluorescent proteins, careers...proteins at Addgene. 7. Designing Your Chalk Talk for the Academic Job Interview by Erik Snapp Addgene depositor...2020! Additional resources on the Addgene Blog Read other Addgene news Find the most recent plasmid ...posts Resources at Addgene Browse the repository Find educational resources at Addgene Search for plasmids...discovery. We’ve documented many new tools on the Addgene blog and have created and updated guides on various...blogger Joachim Goedhart shares some strategies for generating GFP fusion proteins. From considering protein...

  14. Antibodies 101: Validation

    Type
    Blog Post
    Published
    March 24, 2022, 1:15 p.m.
    ...cell line in which the gene for your protein has been mutated using CRISPR/Cas9. You check the mutation... your antibody is validated! Genetic Strategies This approach uses a gene knock-down or knock-out approach...all sample types are amenable to genetic manipulation, nor can all genes be easily knocked down or out. ...bioinformatician) to look at RNA expression of your gene of interest across a set of human tissues.  From...to knock-down expression of your target or CRISPR/Cas9 to create mutations that essentially eliminate expression...plasmid encoding your protein of interest, known as Gene of Interest (GOI), and transfect it into your favorite...this protein, which we will call Negative Control Gene (NCG) (A). Then you lyse the cells and run a Western...

  15. Searchable and Sortable gRNAs for Your Next CRISPR Experiment

    Type
    Blog Post
    Published
    May 17, 2016, 2:30 p.m.
    .... Current table columns are target gene, species, sequence, Addgene plasmid ID (if we have one associated...reviewed articles. If you’re targeting your favorite gene with CRISPR, using one of these validated gRNAs ...associated with the gRNA), application, cas9 species, PubMed ID, and depositor. The CRISPR applications we ...is worth trying alternate names, particularly for gene names. If you find a sequence that will work for... planning an experiment to performing one.  At Addgene, over 120 labs have deposited CRISPR reagents, ...already been shown to work in CRISPR experiments. Addgene’s dedication to resource sharing has led us to develop... is welcomed for validated gRNAs that are not generated from a plasmid. If you, for example, prefer to...

  16. Custom CRISPR Screens & the Green Listed Software

    Type
    Blog Post
    Published
    July 11, 2017, 2:30 p.m.
    ...presenter then showed which genes they had generated knockout mice for (all of the genes involved as I recall... each gene is not targeted by only one gRNA, instead many different gRNAs are used for each gene. At the...screens Differentially expressed genes  As the costs for global gene expression analyses like RNAseq are...test which of the differentially expressed genes found in a gene expression dataset are causal for a phenotype...differentially expressed genes that are known drug targets, or all differentially expressed genes that code for ...describes which genes were included, and how many gRNAs were identified for each gene. This file can be... if genes that you asked for were not found in the reference library. It’s not uncommon that genes have...

  17. CRISPR 101: Drug discovery and CRISPR

    Type
    Blog Post
    Published
    May 4, 2023, 1 p.m.
    ...several candidate inhibitors of gene X in a screen. You generate a gene X knockout in a cancerous background...inhibit, activate, or knockout many genes at a time to identify ‘hits’ - genes that affect disease progression...some of the candidate genes! Disease model generation CRISPR has made the generation of genome edits accessible.... These hits can reveal individual genes or sometimes even genetic pathways that are worth investigating...known – repeat expansion, gene knock out, etc. – CRISPR can be used to generate cell line or animal models...resources on the Addgene blog CRISPR 101: Making a Knock-In Cell Line Using CRISPR-Cas9 to Edit Disease...approaches. The first route involves identifying a gene/pathway to develop a drug for (aka a druggable target...

  18. Meet the New Addgene Board Members!

    Type
    Blog Post
    Published
    April 28, 2020, 1:14 p.m.
    ...the Grousbeck Family Chair in Gene Therapy, Director of the Grousbeck Gene Therapy Center, Associate Director...at KSQ Therapeutics and is an Addgene depositor. KSQ uses a CRISPR-Cas9 platform to systematically test...nonprofit companies. His lab focuses on gene therapy work for genetic diseases and over the past few months...deposited AAV constructs for gene delivery. In 2018, he interviewed Addgene co-founder Melina Fan and former...PhD Khandan Baradaran’s expertise in viral safety, gene therapy vector development, vaccine development,...Dimension Therapeutics, she helped build and grow the gene therapy division of the company.  Ultragenyx’s goal...test the function of all 20,000 genes in disease models and then focus drug discovery efforts on the targets...

  19. 10 Great Guest Posts We're Thankful For

    Type
    Blog Post
    Published
    Nov. 18, 2016, 3 p.m.
    ...repression of your target gene, activation and repression of different genes in a single cell, and localization...replication and transcription as well as reporter genes. To learn how you can use minigenomes in your research... them in action. AAV: A Versatile Viral Tool for Gene Expression in Mammals Adeno-associated viruses (... (AAVs) are commonly used to deliver a genes of interest to a variety of cell types in-vivo. These are... editing - all influenced by an understanding of Cas9 biophysics! Casilio: An Adaptive, Multitasking “...localization of a fluorescent signal to your target gene. Read this post to find out more about how the Casilio...are widely used by the optogenetics and chemogenetics communities to activate neurons and neuronal pathways...

  20. Addgene-Seeding Labs Plasmid Grant: Accelerating Science Globally - 5 Scientists, 4 Countries & 3 Continents!

    Type
    Blog Post
    Published
    July 18, 2017, 12:41 p.m.
    ...in applying gene technology to bacteria and plants. Her research involves cloning cry genes from the soil...plant, Dr. Robertson aims to make use of the CRISPR/Cas9 technology to engineer plants that are able to destroy... shared mission of both Seeding Labs and Addgene. The Addgene-Seeding Labs plasmid grant is a collaborative...of the Addgene-Seeding Labs Plasmid Grant awardees' projects progress. Subscribe to the Addgene blog for.... Additional Resources on the Addgene Blog Learn More About the Addgene-Seeding Labs Plasmid Grant Check...introduce the 5 scientists who were awarded the Addgene-Seeding Labs Plasmid grant this year. These scientists...plant biology, she coordinates the Network for the Genetic Improvement of Cowpea, a knowledge database for...
Showing: 181 - 200 of 250 results