Status | Confirmed |
Seminar Series | BIOPHY-ENS-ESPCI |
Subjects | physics.bio-ph |
Date | Friday 28 February 2020 |
Time | 13:00 |
Institute | DPT-PHYS-ENS |
Seminar Room | Conf IV |
Speaker's Last Name | Covert |
Speaker's First Name | Markus |
Speaker's Email Address | |
Speaker's Institution | Stanford University |
Title | Simultaneous cross-evaluation of heterogeneous E. coli datasets via mechanistic simulation |
Abstract | 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 data describing total output of the ribosomes and RNA polymerases 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; 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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