Cooperative hybridization of oligonucleotides.
نویسنده
چکیده
Nucleic acids have been demonstrated to be versatile nanoscale engineering materials with the construction of dynamic DNA structures, motors, and circuits. These constructions generally rely on the clever use and integration of relatively few reaction mechanisms and design primitives. Here, cooperative hybridization is introduced as a mechanism in which two oligonucleotides of independent sequence can stoichiometrically, simultaneously, and cooperatively hybridize to a DNA complex. Cooperative hybridization is rigorously characterized and modeled and is shown to implement digital concentration comparison with amplification, as well as digital Boolean logic. These designs, based on cooperative hybridization, excel in being robust to impurities and not requiring oligonucleotide purification.
منابع مشابه
Cooperativity of paired oligonucleotide probes for microarray hybridization assays.
Synthetic DNA probes attached to microarrays usually range in length from 25 to 70 nucleotides. There is a compromise between short probes with lower sensitivity, which can be accurately synthesized in higher yields, and long probes with greater sensitivity but lower synthesis yields. Described here are microarrays printed with spots containing a mixture of two short probes, each designed to hy...
متن کاملDNA sequencing by hybridization to microchip octa-and decanucleotides extended by stacked pentanucleotides.
The efficiency of sequencing by hybridization to an oligonucleotide microchip grows with an increase in the number and in the length of the oligonucleotides; however, such increases raise enormously the complexity of the microchip and decrease the accuracy of hybridization. We have been developing the technique of contiguous stacking hybridization (CSH) to circumvent these shortcomings. Stackin...
متن کاملOptimization Problems in Design of Oligonucleotides for Hybridization based Methods
1 Notation and Abbreviations 2
متن کاملSpecific Inhibition of the Expression of the Promyelocytic Leukemia (PML) Protein by Anti-Sense Oligonucleotides
In the present study, using anti-sense oligonucleotides the inhibition of expression of the PML protein hasbeen investigated. The anti-sense oligonucleotides were designed against the translation initiation site ofthe PML gene, and their effects were investigated on cellular growth and DNA synthesis. Incubation of normalhuman fibroblast cells with the anti-sense oligonucleotid...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- Journal of the American Chemical Society
دوره 133 4 شماره
صفحات -
تاریخ انتشار 2011