Shape Replication through Self-Assembly and RNase Enzymes

Autor: Abel, Z., Benbernou, N., Damian, M., Demaine, E. D., Demaine, M. L., Flatland, R., Scott Kominers, Schweller, R.
Přispěvatelé: Massachusetts Institute of Technology. Computer Science and Artificial Intelligence Laboratory, Massachusetts Institute of Technology. Department of Mathematics, Demaine, Erik D., Abel, Zachary Ryan, Benbernou, Nadia M., Demaine, Martin L.
Rok vydání: 2010
Předmět:
Zdroj: Scopus-Elsevier
MIT web domain
Popis: We introduce the problem of shape replication in the Wang tile self-assembly model. Given an input shape, we consider the problem of designing a self-assembly system which will replicate that shape into either a specific number of copies, or an unbounded number of copies. Motivated by practical DNA implementations of Wang tiles, we consider a model in which tiles consisting of DNA or RNA can be dynamically added in a sequence of stages. We further permit the addition of RNase enzymes capable of disintegrating RNA tiles. Under this model, we show that arbitrary genus-0 shapes can be replicated infinitely many times using only O(1) distinct tile types and O(1) stages. Further, we show how to replicate precisely n copies of a shape using O(log n) stages and O(1) tile types.
National Science Foundation (U.S.) (NSF CAREER award CCF-0347776)
United States. Dept. of Energy (DOE grant DE-FG02-04ER25647)
Databáze: OpenAIRE