The study of a strain ofCandida utilis in the course of continuous cultivation on ethanol with special respect to biotin requirement

Vernerová, J.; Syhorová, V

doi:10.1007/bf02896875

Cited by 2 publications

(2 citation statements)

References 5 publications

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“…Preliminary growth characteristics of the strain employed have It was found that the 11 Bh been described in a previous study.I strain requires biotin or thiamine as a growth factor, the optimal growth temperature being 30°C. The yeast is capable of utilizing several sources of nitrogen; the utilization of ammonium and nitrate forms was particularly important in our work.…”

Section: Initial Adjustment Of Conditions For Growth Studiesmentioning

confidence: 96%

“…The biomass yield, defined as the ratio of the amount of cell dry wt a t the end of the growth phase to the amount of the substrate (8,) on specific growth rate ( p ) and lagtime of C. boidinii 11 Bh. opened at the time of sampling and simultaneously the gas phase was renewed by a slight flushing with fresh air.…”

Section: Effect Of Methanol Concentration On Biomass Yield Yzlsmentioning

confidence: 99%

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The effect of methanol, formaldehyde, and formic acid on growth of Candida boidinii 11 Bh

Pilát

Prokop

1975

Biotech & Bioengineering

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The dependence of the specific growth rate of Candida boidinii 11 Bh on methanol concentration follows Monod-type kinetics only in a narrow concentration range (0--0.8 v/v), with a saturation constant of about 19 mmol. With a further increase in methanol concentration of up to 3% v/v, the specific growth rate remains constant. Beyond this level, the growth rate gradually drops to zero, reaching the threshold value at 7.8% v/v. The specific growth rate is also strongly dependent on the size of the inoculum. The biomass yield decreases with an increase in the methanol concentration. Formaldehyde and formic acid, oxidative products of methanol, approximately 100 and ten times, respectively, more toxic to growth than the original substrate.

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Section: Initial Adjustment Of Conditions For Growth Studiesmentioning

confidence: 96%

Section: Effect Of Methanol Concentration On Biomass Yield Yzlsmentioning

confidence: 99%

The effect of methanol, formaldehyde, and formic acid on growth of Candida boidinii 11 Bh

Pilát

Prokop

1975

Biotech & Bioengineering

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Biotin-Active Compounds, Their Existence in Nature and the Biotin Requirements of Yeasts

Oura

Suomalainen

1982

Journal of the Institute of Brewing

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After a short account of the discovery of biotin and the progress of early biotin research, the natural occurrence of biotin with particular consideration to the raw materials used in the fermentation industry and its products is described. Of the many known biotin derivatives, those appearing in nature and those which can be converted to biotin‐active (or inactive) compounds by simple procedures are reported. Ways to by‐pass the need for biotin in microbes is discussed. The importance of biotin in yeast production, the biotin requirements of yeast, and the effect of culture conditions on these requirements are reported. The close relationship between the participation of biotinylenzymes and the biotin requirements is noted.

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The study of a strain ofCandida utilis in the course of continuous cultivation on ethanol with special respect to biotin requirement

Cited by 2 publications

References 5 publications

The effect of methanol, formaldehyde, and formic acid on growth of Candida boidinii 11 Bh

The effect of methanol, formaldehyde, and formic acid on growth of Candida boidinii 11 Bh

Biotin-Active Compounds, Their Existence in Nature and the Biotin Requirements of Yeasts

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