Expanding application of CRISPR-Cas9 system in microorganisms
نویسندگان
چکیده
منابع مشابه
Application of CRISPR/Cas9 in plant biology
The CRISPR/Cas (clustered regularly interspaced short palindromic repeats/CRISPR-associated proteins) system was first identified in bacteria and archaea and can degrade exogenous substrates. It was developed as a gene editing technology in 2013. Over the subsequent years, it has received extensive attention owing to its easy manipulation, high efficiency, and wide application in gene mutation ...
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The type II CRISPR/Cas9 system has been used widely for genome editing in zebrafish. However, the requirement for the 5'-NGG-3' protospacer-adjacent motif (PAM) of Cas9 from Streptococcus pyogenes (SpCas9) limits its targeting sequences. Here, we report that a Cas9 ortholog from Staphylococcus aureus (SaCas9), and its KKH variant, successfully induced targeted mutagenesis with high frequency in...
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More than 240 million people around the world are chronically infected with hepatitis B virus (HBV). Nucleos(t)ide analogs and interferon are the only two families of drugs to treat HBV currently. However, none of these anti-virals directly target the stable nuclear covalently closed circular DNA (cccDNA), which acts as a transcription template for viral mRNA and pre-genomic RNA synthesis and s...
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The type II (CRISPR-Cas9) system includes the RNAguided Cas9 nuclease, which binds to specific DNA sequences (complementary to the RNA-guide sequence) and creates double-stranded breaks on the DNA. The dsDNA breaks can be repaired via homology-directed repair (HDR) or nonhomologous end-joining (NHEJ). Based on this principle, the Cas9 and the guide-RNA were modified in various ways to improve t...
متن کاملApplications of CRISPR/Cas9 in the Mammalian Central Nervous System
Within the central nervous system, gene regulatory mechanisms are crucial regulators of cellular development and function, and dysregulation of these systems is commonly observed in major neuropsychiatric and neurological disorders. However, due to a lack of tools to specifically modulate the genome and epigenome in the central nervous system, many molecular and genetic mechanisms underlying co...
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ژورنال
عنوان ژورنال: Synthetic and Systems Biotechnology
سال: 2020
ISSN: 2405-805X
DOI: 10.1016/j.synbio.2020.08.001