13C metabolite profiling to compare the central metabolic flux in two yeast strains

Joon Young Jung, Seok Hun Yun, Dae Kyun Im, Jinwon Lee, Min-Kyu Oh

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

13C metabolite profiling to quantify the dynamic changes of central carbon metabolites was attempted using mass isotopomer distribution analysis in two yeast strains, Saccharomyces cerevisiae and Kluyveromyces marxianus. Mass and isotopomer balances of the intermediates were examined and calculated in both yeast species and central carbon metabolic fluxes were successfully determined. Metabolic fluxes of pentose phosphate pathway in K. marxianus were 1.66 times higher than S. cerevisiae. The flux difference was also supported by relatively high abundance of partially labeled fructose 6-phosphate and 3-phosphoglycerate as well as an increased concentration of labeled L-valine in K. marxianus. Metabolic flux analysis combined with dynamic metabolite profiling has provided better understanding in the central carbon metabolic pathways of two model organisms and can be applied as a method to analyze more complicated metabolic networks in other organisms.

Original languageEnglish
Pages (from-to)814-822
Number of pages9
JournalBiotechnology and Bioprocess Engineering
Volume21
Issue number6
DOIs
Publication statusPublished - 2016 Nov 1

Fingerprint

Metabolites
Metabolic Networks and Pathways
Yeast
Saccharomyces cerevisiae
Carbon
Yeasts
Metabolic Flux Analysis
Fluxes
Kluyveromyces
Carbon Cycle
Pentose Phosphate Pathway
Valine
Phosphates
Pentoses
Fructose
3-phosphoglycerate
fructose-6-phosphate

Keywords

  • C metabolite profiling
  • metabolic flux analysis
  • stimulus response experiments
  • yeast

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology
  • Biomedical Engineering

Cite this

13C metabolite profiling to compare the central metabolic flux in two yeast strains. / Jung, Joon Young; Yun, Seok Hun; Im, Dae Kyun; Lee, Jinwon; Oh, Min-Kyu.

In: Biotechnology and Bioprocess Engineering, Vol. 21, No. 6, 01.11.2016, p. 814-822.

Research output: Contribution to journalArticle

Jung, Joon Young ; Yun, Seok Hun ; Im, Dae Kyun ; Lee, Jinwon ; Oh, Min-Kyu. / 13C metabolite profiling to compare the central metabolic flux in two yeast strains. In: Biotechnology and Bioprocess Engineering. 2016 ; Vol. 21, No. 6. pp. 814-822.
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