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PubMed Journals Articles About "Gets Into CRISPR Cas9 Launches 190M Genome Editing" RSS

08:42 EST 11th December 2018 | BioPortfolio

Gets Into CRISPR Cas9 Launches 190M Genome Editing PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Gets Into CRISPR Cas9 Launches 190M Genome Editing articles that have been published worldwide.

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Showing "Gets Into CRISPR Cas9 Launches 190M Genome Editing" PubMed Articles 1–25 of 4,500+

Recent advances in CRISPR/Cas9 mediated genome editing in Bacillus subtilis.

Genome editing using engineered nucleases has rapidly transformed from a niche technology to a mainstream method used in various host cells. Its widespread adoption has been largely developed by the emergence of the clustered regularly interspaced short palindromic repeats (CRISPR) system, which uses an easily customizable specificity RNA-guided DNA endonuclease, such as Cas9. Recently, CRISPR/Cas9 mediated genome engineering has been widely applied to model organisms, including Bacillus subtilis, enabling ...


Efficient CRISPR/Cas9-based genome editing and its application to conditional genetic analysis in Marchantia polymorpha.

Marchantia polymorpha is one of the model species of basal land plants. Although CRISPR/Cas9-based genome editing has already been demonstrated for this plant, the efficiency was too low to apply to functional analysis. In this study, we show the establishment of CRISPR/Cas9 genome editing vectors with high efficiency for both construction and genome editing. Codon optimization of Cas9 to Arabidopsis achieved over 70% genome editing efficiency at two loci tested. Systematic assessment revealed that guide se...

Bacterial Genome Editing with CRISPR-Cas9: Taking Clostridium beijerinckii as an Example.

CRISPR-Cas9 has been explored as a transformative genome engineering tool for many eukaryotic organisms. However, its utilization in bacteria remains limited and ineffective. This chapter, taking Clostridium beijerinckii as an example, describes the use of Streptococcus pyogenes CRISPR-Cas9 system guided by the single chimeric guide RNA (gRNA) for diverse genome-editing purposes, including chromosomal gene deletion, integration, single nucleotide modification, as well as "clean" mutant selection. The genera...


CRISPR/Cas9-mediated genome editing induces gene knockdown by altering the pre-mRNA splicing in mice.

Clustered Regularly Interspaced Short Palindromic Repeats/CRISPR associated protein 9 (CRISPR/Cas9) has been wildly used to generate gene knockout models through inducing indels causing frame-shift. However, there are few studies concerning the post-transcript effects caused by CRISPR-mediated genome editing.

DMSO increases efficiency of genome editing at two non-coding loci.

Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/CRISPR-associated protein-9 (Cas9) has become the tool of choice for genome editing. Despite the fact that it has evolved as a highly efficient means to edit/replace coding sequence, CRISPR/Cas9 efficiency for "clean" editing of non-coding DNA remains low. We set out to introduce a single base-pair substitution in two intronic SNPs at the FTO locus without altering nearby non-coding sequence. Substitution efficiency increased up to 10-fold b...

Non-viral delivery systems for CRISPR/Cas9-based genome editing: Challenges and opportunities.

In recent years, CRISPR (clustered regularly interspaced short palindromic repeat)/Cas (CRISPR-associated) genome editing systems have become one of the most robust platforms in basic biomedical research and therapeutic applications. To date, efficient in vivo delivery of the CRISPR/Cas9 system to the targeted cells remains a challenge. Although viral vectors have been widely used in the delivery of the CRISPR/Cas9 system in vitro and in vivo, their fundamental shortcomings, such as the risk of carcinoge...

Cationic Polymer-Mediated CRISPR/Cas9 Plasmid Delivery for Genome Editing.

Delivery of CRISPR (clustered regularly interspaced short palindromic repeats)/CRISPR-associated protein-9 (Cas9) represents a major hurdle for successful clinical translation of genome editing tools. Owing to the large size of plasmids that encode Cas9 and single-guide RNA (sgRNA), genome editing efficiency mediated by current delivery carriers is still unsatisfactory to meet the requirement for its real applications. Herein, cationic polymer polyethyleneimine-β-cyclodextrin (PC), known to be efficient fo...

Highly efficient genome editing by CRISPR-Cpf1 using CRISPR RNA with a uridinylate-rich 3'-overhang.

Genome editing has been harnessed through the development of CRISPR system, and the CRISPR from Prevotella and Francisella 1 (Cpf1) system has emerged as a promising alternative to CRISPR-Cas9 for use in various circumstances. Despite the inherent multiple advantages of Cpf1 over Cas9, the adoption of Cpf1 has been unsatisfactory because of target-dependent insufficient indel efficiencies. Here, we report an engineered CRISPR RNA (crRNA) for highly efficient genome editing by Cpf1, which includes a 20-base ...

HIT-Cas9: A CRISPR/Cas9 Genome-Editing Device under Tight and Effective Drug Control.

The CRISPR/Cas9 enabled efficient gene editing in an easy and programmable manner. Controlling its activity in greater precision is desired for biomedical research and potential therapeutic translation. Here, we engrafted the CRISPR/Cas9 system with a mutated human estrogen receptor (ER), which renders it 4-hydroxytamoxifen (4-OHT) inducible for the access of genome, and a nuclear export signal (NES), which lowers the background activity. Tight and efficient drug-inducible genome editing was achieved across...

CRISPR/Cas9 for Mutagenesis in Rice.

CRISPR/Cas9 (clustered regularly interspaced short palindromic repeat/CRISPR-associated protein 9) provides a workhorse for genome editing biotechnology. CRISPR/Cas9 tailored for enabling genome editing has been extensively interrogated and widely utilized for precise genomic alterations in eukaryotic organisms including in plant species. The technology holds the great promise to better understand gene functions, elucidate networks, and improve the performance of crop plants such as increasing grain yields,...

Progress in the application of CRISPR: From gene to base editing.

The system of clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated endonucleases (Cas) has been utilized for genome editing with great accuracy and high efficiency in generating gene knockout, knockin, and point mutations in eukaryotic genomes. However, traditional CRISPR/Cas9 technology introduces double-stranded DNA breaks (DSBs) at a target locus as the first step to make gene corrections, which easily results in undesired mutations. Thus, it is necessary to develop n...

CRISPR-Cas9-mediated gene editing in human MPS I fibroblasts.

Mucopolysaccharidosis type I (MPS I) is a lysosomal storage disorder (LSD). It is caused by mutations in the IDUA gene, which lead to the accumulation of the glycosaminoglycans dermatan and heparan sulfate. The CRISPR-Cas9 system is a new and powerful tool that allows gene editing at precise points of the genome, resulting in gene correction through the introduction and genomic integration of a wildtype sequence. In this study, we used the CRISPR-Cas9 genome editing technology to correct in vitro the most c...

CRISPR-Cas9-Mediated Genome Editing and Transcriptional Control in Yarrowia lipolytica.

The discovery and adaptation of RNA-guided nucleases has resulted in the rapid development of efficient, scalable, and easily accessible synthetic biology tools for targeted genome editing and transcriptional control. In these systems, for example CRISPR-Cas9 from Streptococcus pyogenes, a protein with nuclease activity is targeted to a specific nucleotide sequence by a short RNA molecule, whereupon binding it cleaves the targeted nucleotide strand. To extend this genome-editing ability to the industrially ...

CRISPR-Cpf1-mediated genome editing and gene regulation in human cells.

Clustered regularly interspaced short palindromic repeat (CRISPR) system is being championed as a robust and flexible tool for genome editing. Compared with CRISPR associated protein 9 (Cas9), the CRISPR from Prevotella and Francisella 1 (Cpf1) protein has some distinct characteristics, including RNase activity, T-rich protospacer adjacent motif (PAM) preference and generation of sticky cutting ends. The extremely low propensity of off-target effects and relatively high editing efficiency represent prominen...

Shortening the Half-Life of Cas9 Maintains Its Gene Editing Ability and Reduces Neuronal Toxicity.

Virus-mediated expression of CRISPR/Cas9 is commonly used for genome editing in animal brains to model or treat neurological diseases, but the potential neurotoxicity of overexpressing bacterial Cas9 in the mammalian brain remains unknown. Through RNA sequencing (RNA-seq) analysis, we find that virus-mediated expression of Cas9 influences the expression of genes involved in neuronal functions. Reducing the half-life of Cas9 by tagging with geminin, whose expression is regulated by the cell cycle, maintains ...

An optimized electroporation approach for efficient CRISPR/Cas9 genome editing in murine zygotes.

Electroporation of zygotes represents a rapid alternative to the elaborate pronuclear injection procedure for CRISPR/Cas9-mediated genome editing in mice. However, current protocols for electroporation either require the investment in specialized electroporators or corrosive pre-treatment of zygotes which compromises embryo viability. Here, we describe an easily adaptable approach for the introduction of specific mutations in C57BL/6 mice by electroporation of intact zygotes using a common electroporator wi...

Mosaicism in CRISPR/Cas9-mediated Genome editing.

The CRISPR/Cas9 system is a rapid, simple, and often extremely efficient gene editing method. This method has been used in a variety of organisms and cell types over the past several years. However, using this technology for generating gene-edited animals involves a number of obstacles. One such obstacle is mosaicism, which is common in founder animals. This is especially the case when the CRISPR/Cas9 system is used in embryos. Here we review the pros and cons of mosaic mutations of gene-edited animals caus...

CRISPR-Cas9 targeting of MMP13 in human chondrocytes leads to significantly reduced levels of the metalloproteinase and enhanced type II collagen accumulation.

To investigate the efficacy of CRISPR-Cas9 mediated editing in human chondrocytes, and to develop a genome editing approach relevant to cell-based repair.

Effective PEI-mediated delivery of CRISPR-Cas9 complex for targeted gene therapy.

The-state-of-art CRISPR/Cas9 is one of the most powerful among the approaches being developed to rescue fundamental causes of gene-based inheritable diseases. Several strategies for delivering such genome editing materials have been developed, but the safety, efficacy over time, cost of production, and gene size limitations are still under debate and must be addressed to further improve applications. In this study, we evaluated branched forms of the polyethylenimine (PEI)-branched PEI 25 kDa (BPEI-25K)-and ...

Enhanced genome editing in rice using single transcript unit CRISPR-LbCpf1 systems.

A variety of sequence-specific nucleases (SSNs) have been successfully used for plant genome editing. Clustered regularly interspaced short palindromic repeat (CRISPR)-CRISPR-associated (Cas) systems, which were developed from microbial adaptive immune systems, are preferred SSN tools due to their simplicity and versatility. The majority of plant genome editing studies have exploited a CRISPR-Cas9 system from Streptococcus pyogenes (SpCas9) to achieve site-specific mutagenesis and perform fragment insertion...

Optimizing CRISPR/Cas9 for the Diatom .

CRISPR/Cas9 is a powerful tool for genome editing. We constructed an easy-to-handle expression vector for application in the model organism and tested its capabilities in order to apply CRISPR/Cas9 technology for our purpose. In our experiments, we targeted two different genes, screened for mutations and analyzed mutated diatoms in a three-step process. In the end, we identified cells, showing either monoallelic or homo-biallelic targeted mutations. Thus, we confirm that application of the CRISPR/Cas9 syst...

Off-target predictions in CRISPR-Cas9 gene editing using deep learning.

The prediction of off-target mutations in CRISPR-Cas9 is a hot topic due to its relevance to gene editing research. Existing prediction methods have been developed; however, most of them just calculated scores based on mismatches to the guide sequence in CRISPR-Cas9. Therefore, the existing prediction methods are unable to scale and improve their performance with the rapid expansion of experimental data in CRISPR-Cas9. Moreover, the existing methods still cannot satisfy enough precision in off-target predic...

Efficient genome editing using tRNA promoter-driven CRISPR/Cas9 gRNA in Aspergillus niger.

As a powerful tool for fast and precise genome editing, the CRISPR/Cas9 system has been applied in filamentous fungi to improve the efficiency of genome alteration. However, the method of delivering guide RNA (gRNA) remains a bottleneck in performing CRISPR mutagenesis in Aspergillus species. Here we report a gRNA transcription driven by endogenous tRNA promoters which include a tRNA gene plus 100 base pairs of upstream sequence. Co-transformation of a cas9-expressing plasmid with a linear DNA coding for gR...

Synergizing CRISPR/Cas9 Off-Target Predictions for Ensemble Insights and Practical Applications.

The RNA-guided CRISPR/Cas9 system has been widely applied to genome editing. CRISPR/Cas9 system can effectively edit the on-target genes. Nonetheless, it has recently been demonstrated that many homologous off-target genomic sequences could be mutated, leading to unexpected gene-editing outcomes. Therefore, a plethora of tools were proposed for the prediction of off-target activities of CRISPR/Cas9. Nonetheless, each computational tool has its own advantages and drawbacks under diverse conditions. It is har...

Allele-specific genome editing using CRISPR-Cas9 is associated with loss of heterozygosity in diploid yeast.

Targeted DNA double-strand breaks (DSBs) with CRISPR-Cas9 have revolutionized genetic modification by enabling efficient genome editing in a broad range of eukaryotic systems. Accurate gene editing is possible with near-perfect efficiency in haploid or (predominantly) homozygous genomes. However, genomes exhibiting polyploidy and/or high degrees of heterozygosity are less amenable to genetic modification. Here, we report an up to 99-fold lower gene editing efficiency when editing individual heterozygous loc...


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