2014
DOI: 10.1002/ange.201400436
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Programmierbare und hochaufgelöste In‐vitro‐Detektion von genomischem 5‐Methylcytosin durch TALEs

Abstract: Genexpression ist stark durch spezifische Muster von genomischem 5-Methylcytosin (mC) reguliert, aber die direkte Detektion dieser Modifizierung an benutzerdefinierten Genorten ist nur eingeschränkt mçglich, unter anderem, weil es keine Proteine gibt, die zwischen mC und Cytosin (C) unterscheiden kçnnen und zugleich eine inhärente, programmierbare Sequenzselektivität bieten. Die hier vorgestellte Methode zur mC-Detektion beruht auf mC-abhängiger Steuerung der DNA-Replikation und zeigt eine unerwartet ausgepräg… Show more

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Cited by 7 publications
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“…TALEs bore a single mutant repeat opposite nucleotide position 6 of the target oligonucleotide duplexes that contained C, 5mC, 5hmC, 5fC, or 5caC in later in vitro assays (Figure 2a). To study the selectivity of TALE repeats, we employed an assay based on the ability of TALEs to control DNA replication (Figure 2b) 31 in a synthetic oligonucleotide primer-template complex. This assay inversely correlates TALE affinity with the accessibility of the complex for the DNA polymerase, and thus with the amount of formed primer extension product which can be resolved by PAGE (Figure 2c.…”
mentioning
confidence: 99%
“…TALEs bore a single mutant repeat opposite nucleotide position 6 of the target oligonucleotide duplexes that contained C, 5mC, 5hmC, 5fC, or 5caC in later in vitro assays (Figure 2a). To study the selectivity of TALE repeats, we employed an assay based on the ability of TALEs to control DNA replication (Figure 2b) 31 in a synthetic oligonucleotide primer-template complex. This assay inversely correlates TALE affinity with the accessibility of the complex for the DNA polymerase, and thus with the amount of formed primer extension product which can be resolved by PAGE (Figure 2c.…”
mentioning
confidence: 99%