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. 2017 May 17;14(130):20161033. doi: 10.1098/rsif.2016.1033

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© 2017 The Author(s).

Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.

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Figure 8. — Semantic takeover of expressor and copier molecule. Key as in figures 3 and 6. (a) Reactions. (1) Mutation while expressing a G0 creates E1. (2) E0 creates the machines specified on G1, one of which is the new machine E1 without error. (3) E1 reads G0 as coding for P0, E1 and C1. Thus E1 expresses C1 without error. (4) C1 copies G0 without error. (b) System dynamics. Timing of step 1 is shown by a red arrow. The original expressor E0 (blue) and copier C0 (green) are replaced by E1 (orange) and C1 (dark green), respectively. Both the genome (black) and the payload (grey) are unchanged.