Rapid and accurate synthesis of TALE genes from synthetic oligonucleotides. 2016

Fenghua Wang, and Hefei Zhang, and Jingxia Gao, and Fengjiao Chen, and Sijie Chen, and Cuizhen Zhang, and Gang Peng
Institutes of Brain Sciences, State Key Laboratory of Medical Neurobiology and Collaborative Innovation Center for Brain Science, Fudan University, Shanghai, China.

Custom synthesis of transcription activator-like effector (TALE) genes has relied upon plasmid libraries of pre-fabricated TALE-repeat monomers or oligomers. Here we describe a novel synthesis method that directly incorporates annealed synthetic oligonucleotides into the TALE-repeat units. Our approach utilizes iterative sets of oligonucleotides and a translational frame check strategy to ensure the high efficiency and accuracy of TALE-gene synthesis. TALE arrays of more than 20 repeats can be constructed, and the majority of the synthesized constructs have perfect sequences. In addition, this novel oligonucleotide-based method can readily accommodate design changes to the TALE repeats. We demonstrated an increased gene targeting efficiency against a genomic site containing a potentially methylated cytosine by incorporating non-conventional repeat variable di-residue (RVD) sequences.

UI MeSH Term Description Entries
D009841 Oligonucleotides Polymers made up of a few (2-20) nucleotides. In molecular genetics, they refer to a short sequence synthesized to match a region where a mutation is known to occur, and then used as a probe (OLIGONUCLEOTIDE PROBES). (Dorland, 28th ed) Oligonucleotide
D005813 Genes, Synthetic Biologically functional sequences of DNA chemically synthesized in vitro. Artificial Genes,Synthetic Genes,Artificial Gene,Gene, Artificial,Gene, Synthetic,Genes, Artificial,Synthetic Gene
D000071336 Transcription Activator-Like Effectors Virulence factors of pathogenic plant bacteria, such as XANTHOMONAS species, that bind to specific sequences in the PROMOTER REGIONS of host DNA to induce transcription of specific host genes. Variations in the DNA binding domain of TALE family members account for the variations in DNA specificity. The TALE DNA-binding domains are used in various GENETIC TECHNIQUES by fusing them with various DNA modifying enzymes to detect and manipulate sequence-specific targeted DNA sites. TAL Effector,Transcription Activator-Like Effector,TAL Effectors,Activator-Like Effector, Transcription,Effector, TAL,Effector, Transcription Activator-Like,Effectors, TAL,Effectors, Transcription Activator-Like,Transcription Activator Like Effector,Transcription Activator Like Effectors
D000072669 Gene Editing Genetic engineering or molecular biology techniques that involve DNA REPAIR mechanisms for incorporating site-specific modifications into a cell's genome. Base Editing,Genome Editing,Editing, Base,Editing, Gene,Editing, Genome
D012680 Sensitivity and Specificity Binary classification measures to assess test results. Sensitivity or recall rate is the proportion of true positives. Specificity is the probability of correctly determining the absence of a condition. (From Last, Dictionary of Epidemiology, 2d ed) Specificity,Sensitivity,Specificity and Sensitivity
D015203 Reproducibility of Results The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results. Reliability and Validity,Reliability of Result,Reproducibility Of Result,Reproducibility of Finding,Validity of Result,Validity of Results,Face Validity,Reliability (Epidemiology),Reliability of Results,Reproducibility of Findings,Test-Retest Reliability,Validity (Epidemiology),Finding Reproducibilities,Finding Reproducibility,Of Result, Reproducibility,Of Results, Reproducibility,Reliabilities, Test-Retest,Reliability, Test-Retest,Result Reliabilities,Result Reliability,Result Validities,Result Validity,Result, Reproducibility Of,Results, Reproducibility Of,Test Retest Reliability,Validity and Reliability,Validity, Face
D060326 Chemistry Techniques, Synthetic Methods used for the chemical synthesis of compounds. Included under this heading are laboratory methods used to synthesize a variety of chemicals and drugs. Inorganic Synthesis,Inorganic Synthesis Methods,Inorganic Synthesis Techniques,Methods of Inorganic Synthesis,Methods of Organic Synthesis,Methods of Peptide Synthesis,Organic Synthesis,Organic Synthesis Methods,Organic Synthesis Techniques,Peptide Synthesis Methods,Peptide Synthesis Techniques,Peptide Synthesis, Synthetic,Synthetic Chemistry Techniques,Synthetic Peptide Synthesis,Chemistry Technique, Synthetic,Inorganic Syntheses,Inorganic Synthesis Method,Inorganic Synthesis Technique,Method, Inorganic Synthesis,Method, Organic Synthesis,Method, Peptide Synthesis,Methods, Inorganic Synthesis,Methods, Organic Synthesis,Methods, Peptide Synthesis,Organic Syntheses,Organic Synthesis Technique,Peptide Syntheses, Synthetic,Peptide Synthesis Method,Peptide Synthesis Technique,Syntheses, Inorganic,Syntheses, Organic,Syntheses, Synthetic Peptide,Synthesis Method, Inorganic,Synthesis Method, Peptide,Synthesis Methods, Inorganic,Synthesis Methods, Peptide,Synthesis Technique, Inorganic,Synthesis Technique, Organic,Synthesis Technique, Peptide,Synthesis Techniques, Inorganic,Synthesis Techniques, Organic,Synthesis Techniques, Peptide,Synthesis, Inorganic,Synthesis, Organic,Synthesis, Synthetic Peptide,Synthetic Chemistry Technique,Synthetic Peptide Syntheses,Technique, Inorganic Synthesis,Technique, Organic Synthesis,Technique, Peptide Synthesis,Technique, Synthetic Chemistry,Techniques, Inorganic Synthesis,Techniques, Organic Synthesis,Techniques, Peptide Synthesis,Techniques, Synthetic Chemistry

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