期刊
FEBS LETTERS
卷 582, 期 8, 页码 1237-1244出版社
WILEY
DOI: 10.1016/j.febslet.2008.01.060
关键词
digital circuit; logic gate; catabolic regulator; metagenome; orthogonalization
Prokaryotic transcriptional networks possess a large number of regulatory modules that formally implement many of the logic gates that are typical of digital, Boolean circuits. Yet, natural regulatory elements appear most often compressed and exaggeratedly context-dependent for any reliable circuit engineering barely comparable to electronic counterparts. To overcome this impasse, we argue that designing new functions with biological parts requires (i) the recognition of logic gates not yet assigned but surely present in the meta-genome, (ii) the orthogonalization and disambiguation of natural regulatory modules and (iii) the development of ways to tackle the connectivity and the definition of boundaries between minimal biological components. (C) 2008 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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