TALENs: a widely applicable technology for targeted genome editing
J. Keith Joung,Jeffry D. Sander +1 more
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TLDR
The newly-developed transcription activator-like effector nucleases (TALENs) comprise a nonspecific DNA-cleaving nuclease fused to a DNA-binding domain that can be easily engineered so that TALens can target essentially any sequence.Abstract:
Engineered nucleases enable the targeted alteration of nearly any gene in a wide range of cell types and organisms. The newly-developed transcription activator-like effector nucleases (TALENs) comprise a nonspecific DNA-cleaving nuclease fused to a DNA-binding domain that can be easily engineered so that TALENs can target essentially any sequence. The capability to quickly and efficiently alter genes using TALENs promises to have profound impacts on biological research and to yield potential therapeutic strategies for genetic diseases.read more
Citations
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Identification of loci that cause phenotypic variation in diverse species with the reciprocal hemizygosity test.
TL;DR: The reciprocal hemizygosity test is a straightforward genetic test that can positively identify genes that have evolved to contribute to a phenotypic difference between strains or between species.
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Endonucleases: new tools to edit the mouse genome
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Patent
Adenosine nucleobase editors and uses thereof
David R. Liu,Nicole M. Gaudelli +1 more
TL;DR: In this article, the authors provide fusion proteins comprising a Cas9 (e.g., a Cas 9 nickase) domain and adenosine deaminases that deaminate adenosines in DNA, and in some embodiments, the fusion proteins further comprise a nuclear localization sequence (NLS), and/or an inhibitor of base repair, such as, a nuclease dead inosine specific nucolate (dISN).
Journal ArticleDOI
Site specific mutation of the Zic2 locus by microinjection of TALEN mRNA in mouse CD1, C3H and C57BL/6J oocytes.
Benjamin Davies,Graham Davies,Graham Davies,Christopher Preece,Rathi Puliyadi,Rathi Puliyadi,Dorota Szumska,Dorota Szumska,Shoumo Bhattacharya,Shoumo Bhattacharya +9 more
TL;DR: The efficiency of site-specific germline mutation in the mouse confirm TALEN mediated mutagenesis in the oocyte to be a viable alternative to conventional gene targeting in embryonic stem cells where simple loss-of-function alleles are required.
References
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Journal ArticleDOI
Breaking the Code of DNA Binding Specificity of TAL-Type III Effectors
Jens Boch,Heidi Scholze,Sebastian Schornack,Angelika Landgraf,Simone Hahn,Sabine Kay,Thomas Lahaye,Anja Nickstadt,Ulla Bonas +8 more
TL;DR: The functionality of a distinct type of DNA binding domain is described and allows the design ofDNA binding domains for biotechnology.
Journal ArticleDOI
Efficient design and assembly of custom TALEN and other TAL effector-based constructs for DNA targeting
Tomas Cermak,Erin L. Doyle,Michelle Christian,Li-Li Wang,Yong Zhang,Clarice Schmidt,Joshua A. Baller,Nikunj V. Somia,Adam J. Bogdanove,Daniel F. Voytas +9 more
TL;DR: A method and reagents for efficiently assembling TALEN constructs with custom repeat arrays are presented and design guidelines based on naturally occurring TAL effectors and their binding sites are described.
Journal ArticleDOI
A TALE nuclease architecture for efficient genome editing
Jeffrey C. Miller,Siyuan Tan,Guijuan Qiao,Kyle A. Barlow,Jianbin Wang,Danny F Xia,Xiangdong Meng,David Paschon,Elo Leung,Sarah J. Hinkley,Gladys P Dulay,Kevin Hua,Irina Ankoudinova,Gregory J. Cost,Fyodor D. Urnov,H. Steve Zhang,Michael C. Holmes,Lei Zhang,Philip D. Gregory,Edward J. Rebar +19 more
TL;DR: This study identifies TALE truncation variants that efficiently cleave DNA when linked to the catalytic domain of FokI and uses them to generate discrete edits or small deletions within endogenous human NTF3 and CCR5 genes at efficiencies of up to 25%.
Journal ArticleDOI
Genome editing with engineered zinc finger nucleases
TL;DR: A broad range of outcomes has resulted from the application of the same core technology: targeted genome cleavage by engineered, sequence-specific zinc finger nucleases followed by gene modification during subsequent repair.
Journal ArticleDOI
A Simple Cipher Governs DNA Recognition by TAL Effectors
TL;DR: It is shown that a repeat-variable pair of residues specifies the nucleotides in the target site, one pair to one nucleotide, with no apparent context dependence, which represents a previously unknown mechanism for protein-DNA recognition that explains TAL effector specificity, enables target site prediction, and opens prospects for use of TAL effects in research and biotechnology.
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