Self-replication of DNA by its encoded proteins in liposome-based synthetic cells.
Self-replication of DNA by its encoded proteins in liposome-based synthetic cells.
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DOI:
10.1038/s41467-018-03926-1
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发表时间:
2018-04-20
影响因子:
16.6
通讯作者:
Danelon C
中科院分区:
文献类型:
--
作者:
van Nies P;Westerlaken I;Blanken D;Salas M;Mencía M;Danelon C
Replication of DNA-encoded information and its conversion into functional proteins are universal properties of life. In an effort toward the construction of a synthetic minimal cell, we implement here the DNA replication machinery of the Φ29 virus in a cell-free gene expression system. Amplification of a linear DNA template by self-encoded, de novo synthesized Φ29 proteins is demonstrated. Complete information transfer is confirmed as the copied DNA can serve as a functional template for gene expression, which can be seen as an autocatalytic DNA replication cycle. These results show how the central dogma of molecular biology can be reconstituted and form a cycle in vitro. Finally, coupled DNA replication and gene expression is compartmentalized inside phospholipid vesicles providing the chassis for evolving functions in a prospective synthetic cell relying on the extant biology. Replicating DNA and converting genetic information to protein is a feature of cellular life. Here the authors implement a coupled DNA replication and gene expression system inside vesicles.
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通讯作者:
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通讯作者:
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