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  4. A method for analysis and design of metabolism using metabolomics data and kinetic models: Application on lipidomics using a novel kinetic model of sphingolipid metabolism
 
research article

A method for analysis and design of metabolism using metabolomics data and kinetic models: Application on lipidomics using a novel kinetic model of sphingolipid metabolism

Savoglidis, Georgios  
•
Dos Santos, Aline Xavier Da Silveira
•
Riezman, Isabelle
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2016
Metabolic Engineering

We present a model-based method, designated Inverse Metabolic Control Analysis (IMCA), which can be used in conjunction with classical Metabolic Control Analysis for the analysis and design of cellular metabolism. We demonstrate the capabilities of the method by first developing a comprehensively cu rated kinetic model of sphingolipid biosynthesis in the yeast Saccharomyces cerevisiae. Next we apply IMCA using the model and integrating lipidomics data. The combinatorial complexity of the synthesis of sphingolipid molecules, along with the operational complexity of the participating enzymes of the pathway, presents an excellent case study for testing the capabilities of the IMCA. The exceptional agreement of the predictions of the method with genome-wide data highlights the importance and value of a comprehensive and consistent engineering approach for the development of such methods and models. Based on the analysis, we identified the class of enzymes regulating the distribution of sphin-golipids among species and hydroxylation states, with the D-phospholipase SP014 being one of the most prominent. The method and the applications presented here can be used for a broader, model-based inverse metabolic engineering approach. (C) 2016 The Authors. Published by Elsevier Inc. On behalf of International Metabolic Engineering Society. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nci/4.0/).

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Type
research article
DOI
10.1016/j.ymben.2016.04.002
Web of Science ID

WOS:000377983400005

Author(s)
Savoglidis, Georgios  
Dos Santos, Aline Xavier Da Silveira
Riezman, Isabelle
Angelino, Paolo  
Riezman, Howard
Hatzimanikatis, Vassily  
Date Issued

2016

Publisher

Academic Press Inc Elsevier Science

Published in
Metabolic Engineering
Volume

37

Start page

46

End page

62

Subjects

Inverse metabolic engineering

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Strain design

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Nonlinear kinetic models

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Lipid metabolism

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Sphingolipid regulation

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Lipidomics

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LCSB  
Available on Infoscience
July 19, 2016
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/127505
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