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DNA-guided assembly of biosynthetic pathways promotes improved catalytic efficiencyConrado, Robert J. ...Synthetic scaffolds that permit spatial and temporal organization of enzymes in living cells are a promising post-translational strategy for controlling the flow of information in both metabolic and ... signaling pathways. Here, we describe the use of plasmid DNA as a stable, robust and configurable scaffold for arranging biosynthetic enzymes in the cytoplasm of Escherichia coli. This involved conversion of individual enzymes into custom DNA-binding proteins by genetic fusion to zinc-finger domains that specifically bind unique DNA sequences. When expressed in cells that carried a rationally designed DNA scaffold comprising corresponding zinc finger binding sites, the titers of diverse metabolic products, including resveratrol, 1,2-propanediol and mevalonate were increased as a function of the scaffold architecture. These results highlight the utility of DNA scaffolds for assembling biosynthetic enzymes into functional metabolic structures. Beyond metabolism, we anticipate that DNA scaffolds may be useful in sequestering different types of enzymes for specifying the output of biological signaling pathways or for coordinating other assembly-line processes such as protein folding, degradation and post-translational modifications.Source: Nucleic acids research. - ISSN 0305-1048 (Vol. 40, no. 4, 2012, str. 1879-1889)Type of material - article, component partPublish date - 2012Language - englishCOBISS.SI-ID - 4824602
Author
Conrado, Robert J. |
Lebar, Tina |
Turnšek, Jernej, biotehnolog |
Tomšič, Nejc |
Avbelj, Monika, 1985- |
Gaber, Rok |
Koprivnjak, Tomaž |
Mori, Jerneja |
Glavnik, Vesna, 1980- |
Vovk, Irena, 1965- |
Benčina, Mojca, 1968- |
Hodnik, Vesna, 1979- |
Anderluh, Gregor, 1969- |
Jerala, Roman
Topics
sintezna kemija |
biosinteza |
DNA
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Conrado, Robert J. | ![]() |
Lebar, Tina | 34252 |
Turnšek, Jernej, biotehnolog | 34253 |
Tomšič, Nejc | ![]() |
Avbelj, Monika, 1985- | 29495 |
Gaber, Rok | 32254 |
Koprivnjak, Tomaž | 31854 |
Mori, Jerneja | 32114 |
Glavnik, Vesna, 1980- | 28562 |
Vovk, Irena, 1965- | 11395 |
Benčina, Mojca, 1968- | 14360 |
Hodnik, Vesna, 1979- | 29235 |
Anderluh, Gregor, 1969- | 15686 |
Jerala, Roman | 06628 |
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