Cas System.

Genome editing using sequence-specific nucleases (SSNs) offers an alternative approach to conventional genetic engineering and an opportunity to exten...
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CRISPR-Cas system: a powerful tool for genome engineering.
Targeted gene regulation on a genome-wide scale is a powerful strategy for interrogating, perturbing, and engineering cellular systems. Recent advances with the RNA-mediated Cas9 endonuclease derived from clustered regularly interspaced short palindr

The CRISPR-Cas immune system: biology, mechanisms and applications.
Viruses are a common threat to cellular life, not the least to bacteria and archaea who constitute the majority of life on Earth. Consequently, a variety of mechanisms to resist virus infection has evolved. A recent discovery is the adaptive immune s

Selection of Genetically Modified Bacteriophages Using the CRISPR-Cas System.
We present a CRISPR-Cas based technique for deleting genes from the T7 bacteriophage genome. A DNA fragment encoding homologous arms to the target gene to be deleted is first cloned into a plasmid. The T7 phage is then propagated in Escherichia coli

Cas system in medaka.
Clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated (Cas) system-based RNA-guided endonuclease (RGEN) has recently emerged as a simple and efficient tool for targeted genome editing. In this study, we showed successfu

Structural and dynamic views of the CRISPR-Cas system at the single-molecule level.
The CRISPR-Cas system has emerged as a fascinating and important genome editing tool. It is now widely used in biology, biotechnology, and biomedical research in both academic and industrial settings. To improve the specificity and efficiency of Cas

Cpf1 is a single RNA-guided endonuclease of a class 2 CRISPR-Cas system.
The microbial adaptive immune system CRISPR mediates defense against foreign genetic elements through two classes of RNA-guided nuclease effectors. Class 1 effectors utilize multi-protein complexes, whereas class 2 effectors rely on single-component

Cas system facilitates functional cassette knock-in in mice.
Although the CRISPR/Cas system has enabled one-step generation of knockout mice, low success rates of cassette knock-in limit its application range. Here we show that cloning-free, direct nuclear delivery of Cas9 protein complex with chemically synth

Using the CRISPR-Cas System to Positively Select Mutants in Genes Essential for Its Function.
The clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR associated proteins (Cas) comprise a prokaryotic adaptive defense system against foreign nucleic acids. This defense is mediated by Cas proteins, which are guided by se

Programmable RNA shredding by the type III-A CRISPR-Cas system of Streptococcus thermophilus.
Immunity against viruses and plasmids provided by CRISPR-Cas systems relies on a ribonucleoprotein effector complex that triggers the degradation of invasive nucleic acids (NA). Effector complexes of type I (Cascade) and II (Cas9-dual RNA) target for

Cas system for use as an antiviral therapeutic.
RNA-guided endonucleases or CRISPR/Cas systems have been widely employed for gene engineering/DNA editing applications, and have recently been used against a variety of dsDNA viruses as a potential therapeutic. However, in vivo delivery to specific t