Growth ofCandida utilis on a mixture of monosaccharides, acetic acid and ethanol as a model of waste sulphite liquor

Šestáková, M.

doi:10.1007/bf02926651

Cited by 19 publications

(1 citation statement)

References 8 publications

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“…The anaerobic process of ethanol production has been studied with free and immobilized microorganisms under conditions of multistage CC [2,65,75,92]. The process was scaled-up and the product was used in food industry and for technical applications as a solvent.…”

Section: Ethanol Fermentationmentioning

confidence: 99%

The impact of Ivan Málek’s continuous culture concept on bioprocessing

Kyslı́k

Prokop

2010

J Ind Microbiol Biotechnol

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This paper summarizes research results and their industrial applications obtained by continuous culture in the former Czechoslovakia. Past achievements as well as recent trends and developments worldwide are presented. The term "Prague School of continuous culture" is put forward and its international activity is outlined. The impact of this school was pervasive across the entire field of applied microbiology and biotechnology in Czechoslovakia and, perhaps, even beyond the country's borders. Continuous culture is a very mature field, and since its establishment it has become a powerful research tool. The present activity in this field amounts to a renaissance of continuous culture, emphasizing new dimensions in bioinformatics and systems biology.

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Section: Ethanol Fermentationmentioning

confidence: 99%

The impact of Ivan Málek’s continuous culture concept on bioprocessing

Kyslı́k

Prokop

2010

J Ind Microbiol Biotechnol

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Abbau von Mischsubstraten durch Hefen I. Substrate der Sulfitablauge

Krauel¹,

Krauel²,

Weide³

1982

J of Basic Microbiology

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(Eingegangen a m 2. 3. 19S2)Two Candida strains were isolated from an industrial batch reactor for fermentation of waste sulfite liquor.Pure cultures of these veasts assimilate single substrates contained in waste sulfite liauor with different specific activity: The respiration rate is influenced by some induction substrates, too.I n a mixed substrate model corresponding to waste sulfite liquor the single substrates are metabolized by pure cultures in a specific sequential manner.These sequences change during degradation of mixed substrates by mixed cultures. The spectrum of metabolized substrates, however, is not reduced. This fact is important for energy balance or for waste water contamination. Material und MethodenZwei Stamme der Gattung Candida mit den Laborbezeichnungen W, nnd W, (8bb. 1 u. 2) wurden auf einem modifizierten Medium nach TANAKA u. OHISHI (1967) (= Komponente I) kultiviert, das mit einer Spurenelementlosung nach FRITSCHE (1968) (= Komponente 11) komplettiert war. Komponente I hatte folgende Zusammensetzung : 5,0 g (NH,)H,PO,), 2,5 g KH,PO,), 1,0 g MgSO, . 7 H,O, 0,002 g FeCl, . 6 H,O, 0,02 g Ca(NO,), 4 H,O, 900 ml aqua dest. Komponente I1 bestand aus 0,5 mg HBO,, 0,l mg CuSO, 5 H,O, 0,l mg KJ, 0,4 mg RInSO, . 4 H,O, 0,4 mg ZnSO,, 0,2 mg Na,MoO,, 0,l mg CoCI,, 100 ml aqua. dest. Der pH-Wert der Mischung aus den Komponenten I und I1 betrug nach der Sterilisation 4,s. Die Anzucht des Untersuchungsmaterials erfolgte im 500-ml-Schiittelkolben mit 100 ml Medium, 1% der jeweiligen Kohlenstoff-

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Mikrobielle Verwertung von Mischsubstraten

Weide¹

1983

J of Basic Microbiology

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Decomposition of substrates by heterotrophic microorganisms is accomplished in natural biotopes soch as in soil and in waters, on or in macroorganisms but also in laboratory and industrial biotopes. The interest of man in these processes is manifold. Starting with the division of substrates into three groups of simple substrates, complex and mixed substrates with or without solid particles their qualitative and quantitative occurrence in nature and their significance in biotechnology will be discussed. In the decomposition of these substrates their utilization by pure cultures or mixed populations is t o be exactly distinguished. Simple growth curves, di-or polyauxy, sequences of decomposition of simple substrates of a mixed substrate, population changes and successions are only some of the phenomena occurring in this process. The pathways of catabolism are subjected to manifold regulations on the three levels of stoichiometrio regulation, the regulation of enzyme activity and the regulation of enzyme synthesis. In natural biotopes there is hardly a constant substrate supply over a longer period. That's why certain mechanisms of regulation are permanently acting. Thus the "normal" physiological state for microorganisms is characterized by permanent transition situationscalled "transients". These reactions are also applied to many biotechnological processes.

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Growth ofCandida utilis on a mixture of monosaccharides, acetic acid and ethanol as a model of waste sulphite liquor

Cited by 19 publications

References 8 publications

The impact of Ivan Málek’s continuous culture concept on bioprocessing

The impact of Ivan Málek’s continuous culture concept on bioprocessing

Abbau von Mischsubstraten durch Hefen I. Substrate der Sulfitablauge

Mikrobielle Verwertung von Mischsubstraten

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