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Backbone-free duplex-stacked monomer nucleic acids exhibiting Watson–Crick selectivity

Journal Article · · Proceedings of the National Academy of Sciences of the United States of America
 [1];  [2];  [3];  [3];  [4];  [5];  [3];  [5]
  1. Univ. of Colorado, Boulder, CO (United States). Dept. of Physics and Soft Materials Research Center; DOE/OSTI
  2. Universita degli Studi di Milano, Segrate (Italy). Dipartimento di Biotecnologie Mediche e Medicina Traslazionale; Universita Telematica San Raffaele, Roma (Italy). Dipartimento di Promozione delle Scienze Umane e della Qualita della Vita
  3. Universita degli Studi di Milano, Segrate (Italy). Dipartimento di Biotecnologie Mediche e Medicina Traslazionale
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
  5. Univ. of Colorado, Boulder, CO (United States). Dept. of Physics and Soft Materials Research Center

We demonstrate that nucleic acid (NA) mononucleotide triphosphates (dNTPs and rNTPs), at sufficiently high concentration and low temperature in aqueous solution, can exhibit a phase transition in which chromonic columnar liquid crystal ordering spontaneously appears. Remarkably, this polymer-free state exhibits, in a self-assembly of NA monomers, the key structural elements of biological nucleic acids, including: long-ranged duplex stacking of base pairs, complementarity-dependent partitioning of molecules, and Watson–Crick selectivity, such that, among all solutions of adenosine, cytosine, guanine, and thymine NTPs and their binary mixtures, duplex columnar ordering is most stable in the A-T and C-G combinations.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1625012
Journal Information:
Proceedings of the National Academy of Sciences of the United States of America, Journal Name: Proceedings of the National Academy of Sciences of the United States of America Journal Issue: 33 Vol. 115; ISSN 0027-8424
Publisher:
National Academy of SciencesCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

Amplification of Chirality by Adenosine Monophosphate-Capped Luminescent Gold Nanoclusters in Nematic Lyotropic Chromonic Liquid Crystal Tactoids journal January 2019
Fluorescence and Morphology of Self‐Assembled Nucleobases and Their Diphenylalanine Hybrid Aggregates journal October 2019
Sticking and stacking: Persistent ordering of fragmented DNA analogs journal August 2018

Figures / Tables (4)


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