Simultaneous cross-evaluation of heterogeneous E. coli datasets via mechanistic simulation.
Simultaneous cross-evaluation of heterogeneous E. coli datasets via mechanistic simulation.
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DOI:
10.1126/science.aav3751
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发表时间:
2020-07-24
期刊:
影响因子:
--
通讯作者:
Covert MW
中科院分区:
文献类型:
--
作者:
Macklin DN;Ahn-Horst TA;Choi H;Ruggero NA;Carrera J;Mason JC;Sun G;Agmon E;DeFelice MM;Maayan I;Lane K;Spangler RK;Gillies TE;Paull ML;Akhter S;Bray SR;Weaver DS;Keseler IM;Karp PD;Morrison JH;Covert MW
The extensive heterogeneity of biological data poses challenges to analysis and interpretation. Construction of a large-scale mechanistic model of Escherichia coli enabled us to integrate and cross-evaluate a massive, heterogeneous dataset based on measurements reported by various labs over decades. We identified inconsistencies with functional consequences across the data, including: that the total output of the ribosomes and RNA polymerases described by data is not sufficient for a cell to reproduce measured doubling times; that measured metabolic parameters are neither fully compatible with each other nor with overall growth; and that essential proteins are absent during the cell cycle - and the cell is robust to this absence. Finally, considering these data as a whole leads to successful predictions of new experimental outcomes, in this case protein half-lives.
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