Document Detail

Oxygen requirements for growth and citric acid production of Yarrowia lipolytica.
MedLine Citation:
PMID:  12702455     Owner:  NLM     Status:  MEDLINE    
During continuous cultivation of Yarrowia lipolytica N 1, oxygen requirements for growth and citric acid synthesis were found to depend on the iron concentration in the medium. A coupled effect of oxygen and iron concentrations on the functioning of the mitochondrial electron transport chain in Y. lipolytica N 1 was established. Based on the results obtained in continuous culture, conditions for citric acid production in a batch culture of Y. lipolytica N 1 were proposed. At relatively low pO(2) value and a high iron concentration, citric acid accumulation was as high as 120 g l(-1); the specific rate of citric acid synthesis reached 120 mg citric acid (g cells h)(-1). The mass yield coefficient was 0.87 and the energy yield coefficient was 0.31.
Svetlana V Kamzolova; Nadezda V Shishkanova; Igor G Morgunov; Tatyana V Finogenova
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  FEMS yeast research     Volume:  3     ISSN:  1567-1356     ISO Abbreviation:  FEMS Yeast Res.     Publication Date:  2003 Apr 
Date Detail:
Created Date:  2003-04-18     Completed Date:  2003-06-19     Revised Date:  2005-11-17    
Medline Journal Info:
Nlm Unique ID:  101085384     Medline TA:  FEMS Yeast Res     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  217-22     Citation Subset:  IM    
Laboratory of Aerobic Metabolism of Microorganisms, G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences, p-t Nauki 5, Pushchino, Moscow region 142290, Russia.
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MeSH Terms
Aconitate Hydratase / metabolism
Catalase / metabolism
Citrate (si)-Synthase / metabolism
Citric Acid / metabolism*
Citric Acid Cycle / physiology
Cytochromes / metabolism
Iron / metabolism
Isocitrate Lyase / metabolism
Malate Synthase / metabolism
Oxygen / metabolism*
Oxygen Consumption / physiology
Partial Pressure
Yarrowia / growth & development,  metabolism*
Reg. No./Substance:
0/Cytochromes; 7439-89-6/Iron; 77-92-9/Citric Acid; 7782-44-7/Oxygen; EC; EC (si)-Synthase; EC Synthase; EC Lyase; EC Hydratase

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