Importance of NADPH supply for improved L‐valine formation in Corynebacterium glutamicum

T Bartek, B Blombach, E Zönnchen… - Biotechnology …, 2010 - Wiley Online Library
Cofactor recycling is known to be crucial for amino acid synthesis. Hence, cofactor supply
was now analyzed for l‐valine to identify new targets for an improvement of production. The …

Reduction of a set of elementary modes using yield analysis

HS Song, D Ramkrishna - Biotechnology and bioengineering, 2009 - Wiley Online Library
This article proposes a new concept termed ''yield analysis''(YA) as a method of extracting a
subset of elementary modes (EMs) essential for describing metabolic behaviors. YA can be …

A procedure for the estimation over time of metabolic fluxes in scenarios where measurements are uncertain and/or insufficient

F Llaneras, J Picó - BMC bioinformatics, 2007 - Springer
Background An indirect approach is usually used to estimate the metabolic fluxes of an
organism: couple the available measurements with known biological constraints (eg …

[图书][B] Cybernetic modeling for bioreaction engineering

D Ramkrishna, HS Song - 2018 - books.google.com
Uniquely focusing on dynamic modeling, this volume incorporates metabolic regulation as a
survival mechanism for cells, by driving metabolism through optimal investment of its …

Utilizing elementary mode analysis, pathway thermodynamics, and a genetic algorithm for metabolic flux determination and optimal metabolic network design

BA Boghigian, H Shi, K Lee, BA Pfeifer - BMC Systems Biology, 2010 - Springer
Background Microbial hosts offer a number of unique advantages when used as production
systems for both native and heterologous small-molecules. These advantages include high …

Sequential computation of elementary modes and minimal cut sets in genome-scale metabolic networks using alternate integer linear programming

HS Song, N Goldberg, A Mahajan… - Bioinformatics, 2017 - academic.oup.com
Abstract Motivation Elementary (flux) modes (EMs) have served as a valuable tool for
investigating structural and functional properties of metabolic networks. Identification of the …

Elementary mode analysis reveals that Clostridium acetobutylicum modulates its metabolic strategy under external stress

M Kumar, S Saini, K Gayen - Molecular BioSystems, 2014 - pubs.rsc.org
Clostridium acetobutylicum is a strict anaerobe which exhibits two distinct steps in its
metabolic network. In the first step, sugars are oxidized to organic acids (acetic and butyric) …

Validation of a constraint-based model of Pichia pastoris metabolism under data scarcity

M Tortajada, F Llaneras, J Picó - BMC systems biology, 2010 - Springer
Background Constraint-based models enable structured cellular representations in which
intracellular kinetics are circumvented. These models, combined with experimental data, are …

Genetic modification of flux for flux prediction of mutants

Q Zhao, H Kurata - Bioinformatics, 2009 - academic.oup.com
Motivation: Gene deletion and overexpression are critical technologies for designing or
improving the metabolic flux distribution of microbes. Some algorithms including flux …

Maximum entropy decomposition of flux distribution at steady state to elementary modes

Q Zhao, H Kurata - Journal of bioscience and bioengineering, 2009 - Elsevier
Enzyme Control Flux (ECF) is a method of correlating enzyme activity and flux distribution.
The advantage of ECF is that the measurement integrates proteome data with metabolic flux …