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We narrowed to 535 results for: genome

Showing: 81 - 100 of 535 results

  1. Addgene @ Keystone: Thoughts on Precision Genome Engineering and Synbio

    Type
    Blog Post
    ... in genome engineering & CRISPR technology That afternoon's workshop, entitled "Advances in Genome Engineering... day. His talk, which focused on the history of genome engineering from ZFNs through TALENs and CRISPR-Cas... to the RNA components, and challenging target genomes, such as the malaria-causing Plasmodium falciparum...were impressed to see how the numbers of plasmid genome engineering tools – both deposited and distributed... subscribe to this blog. Find more CRISPR and Genome Engineering Resources at our website: CRISPR Resources...  genome engineering...

  2. CRISPR Methods for Bacteria: Genome Engineering, CRISPRa, CRISPRi, Base Editing, and More

    Type
    Blog Post
    ...first discovered in bacteria, most CRISPR-based genome engineering has taken place in other organisms....bacteria. These quirks change the way CRISPR-mediated genome engineering functions in bacteria, but have no ...engineering One common way of accomplishing bacterial genome engineering is done with recombineering, a technique...multiple mutations simultaneously (Jiang et al. 2013). Genome editing tools for bacteria CRMAGE system combines... recombineering-based MAGE (Multiplex Automated Genome Engineering) technology (Ronda et al., 2016). pMA7CR...CRISPR to create a system for scarless, iterative genome engineering (Jiang et al., 2015). pCas contains...the early work of the Marraffini lab pioneering genome editing using CRISPR in bacteria, they also led...

  3. Advancing Biology with Zebrafish: Genetic Tools for Developmental Studies and More

    Type
    Blog Post
    ... the genome are powerful resources for investigating any biological process. High quality genome sequence...their roles in humans. The sequenced genome also permits “whole-genome/transcriptome” studies, in which, ...high-quality sequence assembly of the zebrafish genome was published in 2013, revealing that about 70%...committee). But as the field of genetics progresses and genome sequences become available, new hypotheses about...transgenic organisms by introducing foreign DNA into the genome is useful for a variety of applications. For example...Tol2 to randomly integrate foreign DNA into the genome. Non-random integration into specific pre-determined... Tol2, and the high-quality sequenced zebrafish genome. One study profiled 38,731 cells from 694 embryos...

  4. Reaching out to China: Canton Nucleic Acids Forum (CNAF) 2015

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    Blog Post
    ...talks – Genomics discoveries and moving beyond DNA Eric Green, Director of the National Human Genome Research... the Human Genome project on its 25th anniversary, how the NIH sees the future for genomics, and President... human health. It was inspiring to hear how the genome project has already had a major impact on undiagnosed...undiagnosed and rare diseases; Before the Human Genome Project, loci were identified for 61 such diseases...aspects of the CRISPR regions of the prokaryotic genome. Then he desribed how P. furiosus has systems to...use of cas9 proteins from different species for genome engineering. The final keynote presentation was... genomics...

  5. Tips for a 1st Time CRISPR User (by a 1st Time CRISPR User)

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    Blog Post
    ...Verifying genomic edits with the surveyor assay Overview: I used the Surveyor assay to look for genomic edits...designing primers flanking my edits in genomic DNA and doing PCR on genomic DNA. The surveyor assay itself was...limited by the sequence of the human genome. I used the UCSC genome browser and Primer3 to design primers...Primer3: for Designing Primers UCSC Genome Browser: For eploring genomic DNA ImageJ: Free Software for Analyzing...easy. Figure 4: Detection of edited BRAF genomic loci in Cas9-expressing A549 cells transduced with... shown). Pro-Tips: 1.Designing primers against genomic DNA to amplify the gRNA targets was challenging... straightforward, and is a testament to how far genome engineering has come. For comparison, in 2007 it...

  6. Enabling Precision Functional Genomics with the Target Accelerator Plasmid Collection

    Type
    Blog Post
    ...Take a patient’s tumor sample, use cutting edge genomic technologies to map the mutations that are present...clones corresponding to cancer variants found in genome sequencing studies (as well as reference cDNA clones...variants derived from analysis of lung adenocarcinoma genomes (Lung Cancer Mutant Collection) or “pan-cancer”...exciting new field we call “precision functional genomics.” The goal of this field is to functionally map...it out: Progress towards precision functional genomics in cancer. Johannessen, CM and Boehm JS. Curr.... realize the potential of precision functional genomics and propel the future of cancer precision medicine... and is focused on making precision functional genomics a reality for future cancer patients. You can ...

  7. 27 Hot Plasmids from 2016

    Type
    Blog Post
    ...harness this powerful genome engineering tool. Bassett, et al. J Genet Genomics. 2015. PubMed PMID: 26165496...bacterial genome engineering across multiple species Recent discoveries in the fields of genome engineering...automated, and high-throughput genome editing is multiplex automated genome engineering (MAGE) (1). MAGE...combinations and combinatorial genomic libraries. MAGE has allowed genome-engineering endeavours of unparalleled...binding (e.g. DHS-seq, FAIRE-seq, and CHIP-seq), genome-wide identification and quantification of enhancer...transcription start site. In STARR-seq, randomly sheared genomic libraries are cloned downstream of a minimal promoter...libraries enable researchers to screen the entire genome for genes that regulate a wide variety of phenotypes...

  8. What's New in CRISPR - Winter 2018

    Type
    Blog Post
    ...-mediated genome engineering in plants. Read the paper in bioRxiv Find the plant genome editing toolkit...Cas9-Cas9 chimera plasmids A modular toolkit for genome editing in plants While there have been many Cas...LOV2 photosensor from Avena sativa, light-mediated genome editing is now possible. Learn more from this ...aimed to identify functional elements in the human genome, these donor plasmids will help researchers map...

  9. How to Design Your gRNA for CRISPR Genome Editing

    Type
    Blog Post
    ...in the genome, or a more-active gRNA with one additional target site in a region of the genome with no... show appreciable levels of modification. Whole-genome sequencing of cells modified by CRISPR indicates...large-scale datasets of hundreds of genetic screens using genome-wide libraries have shown high concordance between...study, the former may be the better choice. For a genome-wide library to conduct genetic screens, however... hit.  This is an exciting time for functional genomics, with an ever-expanding list of tools to probe...References Anzalone AV, Koblan LW, Liu DR (2020) Genome editing with CRISPR–Cas nucleases, base editors...(2018) Base editing: precision chemistry on the genome and transcriptome of living cells. Nat Rev Genet...

  10. Hot Plasmids: Spring 2025

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    Blog Post
    ...sequence into the genome. The team established that they could reprogram the genomic target by swapping...interactions occur in the genome. This requires both targeting a specific genome location and isolating ... DNA editing By Emily P. Bentley For RNA-guided genome editing, think beyond Cas9 with STITCHR: a combined...scarless insertion — no UTR sequence added to the genome (Figure 4). Figure 4: STITCHR consists of...can "retarget" the transposon to new loci in the genome. The modified transposon RNA has untranslated regions...both help direct the fusion construct to the new genomic locus. Image courtesy of Christopher Fell, PhD....producing STITCHR. STITCHR can make a wide variety of genomic edits — single-base changes, small deletions, and...

  11. Treating Muscular Dystrophy with CRISPR Gene Editing

    Type
    Blog Post
    ...they must be injected regularly. Dystrophin and genome editing Since complex oligonucleotide treatment...many challenges, researchers have begun to explore genome editing approaches for exon skipping. Addgene depositor...CRISPR and AAV can be used together for postnatal genome editing in mice. Could this approach work with ...treatment, as the disease is especially well suited for genome editing. The homology-directed repair (HDR) pathway...phenotypes in cardiac and skeletal muscle. Even when the genome editing frequency is low, the relative abundance... decay. Although Nelson et al. observed only 2% genome editing in one experiment, they found the exon-...editing to maintain the desired phenotype. Precision genome editing faces the challenges above and more. One...

  12. CASTing Off for New Shores in Human Genome Editing

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    Blog Post
    ... systems to help them spread through bacterial genomes (Peters et al., 2017). Type I CAST systems rely...nuclease-deficient CRISPR-Cas system identifies and binds a genomic target using a gRNA, and an affiliated TniQ protein...transposon proteins integrate a payload sequence into genomic DNA downstream from the Cas target. Conveniently...proteins (Tns) to integrate large sequences into genomic DNA downstream of gRNA-specified sites. Created...BioRender.com. CASTs quickly became popular bacterial genome engineering tools, with early reports of 40%–60%...Wang, H. H., & Sternberg, S. H. (2024). Bacterial genome engineering using CRISPR-associated transposases...Resources on the Addgene blog INTEGRATE: Bacterial Genome Engineering Using CRISPR-Transposons Degrading...

  13. History of CRISPR Cas - A tale of survival and evolution

    Type
    Blog Post
    ...will to survive. Genome engineering and future directions CRISPR/Cas inspired genome editing was initially... (CRISPR associated genes) system. This popular genome engineering tool offers flexibility, multiplexibility...exogenous DNA would be incorporated into the bacterial genome. Cas genes, which code for polymerases, nucleases... To date, 83% of archaeal and 45% of bacterial genomes utilize this system (4). Makarova et al. grouped...is the system that scientists have harnessed for genome engineering. The diversity of the CRISPR/Cas systems...applications. Despite the ubiquity of CRISPR/Cas toolkit, genome engineers continue to work diligently and creatively...

  14. CRISPR 101: Validating Your Genome Edit

    Type
    Blog Post
    ...quantitatively assess genome edits in your target sequence and other regions of the genome. The main advantage...with Cas9. Hooray! Now it’s time to make sure your genome edits went according to plan. In this blog post...insertions and deletions identified within a given genomic window, along with the estimated editing frequency...must generate a DNA molecule with homology to your genome edit to mimic what an edited sequence would look...sequencing, provided you have some idea of where in the genome you might expect off target editing to occur. Luckily...Bas van Steensel. Easy quantitative assessment of genome editing by sequence trace decomposition. (2014)...silico off-target site identification for CRISPR genome editing. (2019) Bioinformatics 36:2001–2008. https...

  15. Viral Vectors 101: An Introduction to AAV

    Type
    Blog Post
    ...the ssAAV genome has a mutation in the terminal resolution site (TRS) to form a vector genome with wild-type... non-pathogenic, do not integrate into the host genome, and can be specifically targeted to a number of... expression in a particular cell type to CRISPR genome editing, optogenetics, and chemogenetics experiments... of interest, AAVs used in research have their genomes “gutted”, meaning that all viral genes except ITRs...Remember that AAVs do not integrate into the host genome and therefore the transduced gene is episomal and...self-complementary AAV (scAAV) vector. Full-length ssAAV vector genome of both polarities are rescued from the vector ...individually packaged into the AAV capsids. As a genome conversion in the transduced cell nucleus, the ...

  16. Cre-ating New Methods for Site-specific Recombination in Drosophila

    Type
    Blog Post
    ...s004270100167. PubMed. Cryptic loxP sites in mammalian genomes: genome-wide distribution and relevance for the efficiency...system. Gerald Rubin’s lab sought to make complex genome modifications in Drosophila using multiple recombinases...recombinases. To make multiple, precise genome edits, the recombinases used must have high activity and ...recombinases. These tools should further enhance genome editing capabilities in Drosophila. References...site-specific recombinases for use in manipulating animal genomes. Nern A, Pfeiffer BD, Svoboda K, Rubin GM. Proc...

  17. Tag Your Favorite Yeast Genes with Ease

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    Blog Post
    ... your experience with yeast genome modifications. In what ways have genome tagging systems enabled you...process by which nearly all domains of life repair genomic damage, specifically double strand breaks. Researchers...natural process to integrate protein tags into the genomes of S. cerevisiae and S. pombe. The protocol is ...have deposited a large collection of plasmids for genome modification in yeast developed by Dr. Pringle’...modular collection of plasmids for a wide variety of genome modifications in S. Pombe, including full and partial...

  18. CRISPR Antimicrobials

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    Blog Post
    ...CRISPR-induced double-stranded break (DSB) in the genome is lethal. If this DSB occurs on a plasmid, the...encoded by a high-copy plasmid. In the case of the genomically encoded quinolone resistance, mediated by a single...vectors carry CRISPR RNAs (crRNAs) targeting either genomic (blue) or plasmid-based sequences (red). Treating..., specifically targets bacteria with the given genomic or plasmid sequence from a mixed population without...without affecting the other bacteria. Targeting a genomic sequence results in cell death. Plasmid targeting...introduced is lysogenic, integrating into the bacterial genome, and it carries CRISPR machinery targeting 1) the...CRISPR design for next-generation antimicrobials.” Genome Biol. 15(11):516. (2014). PubMed: PMID 25417800...

  19. Using CRISPR/Cas9 to Edit Disease Out of the Genome

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    Blog Post
    ...Cas9 technology has been a breakthrough for the genome-editing field. It has the possibility to treat ...Institute in The Netherlands used the CRISPR/Cas9 genome editing system to correct the cystic fibrosis transmembrane...difference with CRISPR/Cas9 in comparison to other genome editing techniques is its ease of use.  “I was ...They are the first direct demonstration of use of genome editing to correct point mutations in two diseases...adult stem cells has huge potential, because the genomes of adult stem cells in organoid cultures are stable.../jcp.30064 2. Barman et al. 2020. “A glance at genome editing with CRISPR-Cas9 technology.” Current genetics...s00294-019-01040-3 3. Khatibi et al. 2021.  “CRISPR Genome Editing Technology and its Application in Genetic...

  20. Plasmids 101: Mammalian Vectors

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    Blog Post
    ...part of the genome. Because the foreign DNA becomes a permanent addition to the host genome, the cells ...incorporate the genetic material directly into the genome to form a stable transfection. Unlike bacterial...transfection process is not integrated into the nuclear genome, in the absence of plasmid replication, the foreign...incorporated foreign genetic material into their genomes. Unlike plasmids used for expression in yeast and...force cells to incorporate the plasmid DNA into the genome. For the purposes of this post, we will define ...gets targeted to a specific location within the genome. Positive selection in mammalian cells works similarly...
Showing: 81 - 100 of 535 results