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Re: imelcooler post# 100105

Monday, 11/30/2015 5:47:40 PM

Monday, November 30, 2015 5:47:40 PM

Post# of 276237

I thought CHISPR's big advantage is it doesn't use a protein expression,or something like that.



The CRISPR/Cas system has been used for gene editing (adding, disrupting or changing the sequence of specific genes) and gene regulation in species throughout the tree of life.[7] By delivering the Cas9 protein and appropriate guide RNAs into a cell, the organism's genome can be relatively cheaply cut at any desired location.[8][9][10] CRISPR has a number of potential applications including treating genetic diseases, fighting infections, and increasing food crop yields, but the application of this method is accompanied by ethical concerns.


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ZFN, TALEN, and CRISPR/Cas-based methods for genome engineering

Zinc-finger nucleases (ZFNs) and transcription activator- like effector nucleases (TALENs) comprise a powerful class of tools that are redefining the boundaries of biological research. These chimeric nucleases are com- posed of programmable, sequence-specific DNA-binding modules linked to a nonspecific DNA cleavage domain. ZFNs and TALENs enable a broad range of genetic mod- ifications by inducing DNA double-strand breaks that stimulate error-prone nonhomologous end joining or homology-directed repair at specific genomic locations.

Here, we review achievements made possible by site- specific nuclease technologies and discuss applications of these reagents for genetic analysis and manipulation. In addition, we highlight the therapeutic potential of ZFNs and TALENs and discuss future prospects for the field, including the emergence of clustered regulatory interspaced short palindromic repeat (CRISPR)/Cas- based RNA-guided DNA endonucleases.







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