Post-synthesis DNA modifications using a trans-cyclooctene click handle
نویسندگان
چکیده
منابع مشابه
Post-synthesis DNA modifications using a trans-cyclooctene click handle.
Post-synthesis DNA modification is a very useful method for DNA functionalization. This is achieved by using a modified NTP, which has a handle for further modifications, replacing the corresponding natural NTP in polymerase-catalyzed DNA synthesis. Subsequently, the handle can be used for further functionalization after PCR, preferably through a very fast reaction. Herein we describe polymeras...
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5-Azidomethyl dUTP and two 5-trans-cyclooctene dUTPs with different linkers between the TCO and the uracil base have been incorporated into DNA by primer extension, reverse-transcription and PCR amplification. For azidomethyl dUTP the PCR reaction was successful even when the modified dUTP was not supplemented with dTTP. In one case 335 azidomethyl dU residues were incorporated into the 523 bas...
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The living ring-opening metathesis polymerization (ROMP) of trans-cyclooctene (tCO) was investigated. ROMP of tCO in the presence of PPh(3) in THF leads to the formation of narrowly dispersed polycyclooctene (PCO). The presence of PPh(3) as an additive and the use of THF as a solvent were demonstrated to be necessary to suppress competing secondary metathesis processes in the ROMP of tCO. Under...
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The development of fluorogenic reactions which lead to the formation of fluorescent products from two nonfluorescent starting materials is highly desirable, but challenging. Reported herein is a new concept of fluorescent product formation upon the inverse electron-demand Diels-Alder reaction of 1,2,4,5-tetrazines with particular trans-cyclooctene (TCO) isomers. In sharp contrast to known fluor...
متن کاملStudies on Boronic Acid-modified Nucleotides for Diagnostic Applications and Development of Fluorescent Chemoprobes for Molecules of Biological Importance
Post-synthesis DNA modification is a very useful method for DNA functionalization. This is achieved by using a modified NTP, which has a handle for further modifications, replacing the corresponding natural NTP in polymerase-catalyzed DNA synthesis. Subsequently, the handle can be used for further functionalization, preferably through a very fast reaction. Herein we describe polymerase-mediated...
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ژورنال
عنوان ژورنال: Organic & Biomolecular Chemistry
سال: 2015
ISSN: 1477-0520,1477-0539
DOI: 10.1039/c4ob02031f