Diauxic growth of Geotrichum candidum and Penicillium camembertii on amino acids and glucose

Aziza, Majda; Amrane, Abdeltif

doi:10.1590/s0104-66322012000200001

Cited by 11 publications

(10 citation statements)

References 33 publications

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“…Meanwhile, a diauxic pattern was observed in the growth curves using the SWW, as well as in the curves with WSR, performed during August and December. This kind of growth was initially observed and described in bacteria ; nevertheless it has been also studied in yeasts , fungi , and vegetal cells . Diauxic growth is due to the sequential usage of two sources of carbon or nitrogen.…”

Section: Discussionmentioning

confidence: 94%

Dual Purpose System for Water Treatment From a Polluted River and the Production of Pistia stratiotes Biomass Within a Biorefinery

Robles-Pliego¹,

Olguín²,

Hernández-Landa³

et al. 2015

CLEAN Soil Air Water

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The use of lagoons with floating aquatic plants for the treatment of a polluted urban river with recovery of Pistia stratiotes biomass was investigated. A first group of experiments was performed during spring, comparing three different media: synthetic wastewater (SWW), water from the Sordo River (WSR), and WSR amended with fertilizer (WSR + F). The second and third experiments were performed during summer and winter, respectively, using only WSR. During spring, the productivity in WSR and WSR + F was similar between them and significantly higher compared to the one observed in the SWW: 0.949 versus 0.379 g dry weight (dw) m−2 day−1, respectively. During summer, the productivity in the WSR was similar to the one observed in spring but significantly different to the one registered in winter: 0.946 versus 0.347 g dw m−2 day−1. During spring and summer, the uptake rate of ammonium nitrogen was significantly higher compared to the one registered for nitrate, although in winter there were no differences between such rates. For phosphates, the removal percentage was similar in spring and winter (96.25 and 99.1%, respectively). It was concluded that this system serves a dual purpose, treating water from a polluted river effectively and producing high biomass yield during spring and summer.

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Section: Discussionmentioning

confidence: 94%

Dual Purpose System for Water Treatment From a Polluted River and the Production of Pistia stratiotes Biomass Within a Biorefinery

Robles-Pliego¹,

Olguín²,

Hernández-Landa³

et al. 2015

CLEAN Soil Air Water

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“…In fact, A. tubingensis growth exhibited diauxic growth for glucose and gluconic acid. Diauxic describes the growth phases of a microorganism as it metabolizes a mixture of substrates . During the first phase (exponential phase), fungus preferentially metabolized glucose whose catabolism was most efficient and started to produce gluconic acid by means of glucose oxidase action.…”

Section: Discussionmentioning

confidence: 99%

“…A stationary phase is often recorded before assimilation of the gluconic acid, according to the time required, to produce the enzyme needed to metabolize the second substrate. Diauxic growth represents the classical reprogramming of a metabolic network and has been extensively studied with mathematical modeling …”

Section: Discussionmentioning

confidence: 99%

“…Diauxic describes the growth phases of a microorganism as it metabolizes a mixture of substrates. 29 During the first phase (exponential phase), fungus preferentially metabolized glucose whose catabolism was most efficient and started to produce gluconic acid by means of glucose oxidase action. After glucose depletion, gluconic acid was used as a second carbon source for the second growth phase.…”

Section: Discussionmentioning

confidence: 99%

“…Diauxic growth represents the classical reprogramming of a metabolic network and has been extensively studied with mathematical modeling. 29,30 Although a direct comparison between SmF and SSF is very difficult to make due to the different consistencies of the fungal cultures in the two modalities, cultures grown in submerged fermentation had higher specific growth rate and biomass production than in SSF in both growth phases, which might be due to oxygen limitation inside solid state fermentation. Thus, differences in water content, dissolved oxygen and osmotic pressure may contribute to higher variations between SSF and SmF culture modalities since the interactions between biomass and the culture media are different in each process.…”

Section: Discussionmentioning

confidence: 99%

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ProducingAspergillus tubingensisCTM507 Glucose oxidase by Solid state fermentation versus submerged fermentation: process optimization and enzyme stability by an intermediary metabolite in relation with diauxic growth

Kriaa

Kammoun

2015

J. Chem. Technol. Biotechnol.

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Selenite Distribution in Multicomponent System Consisting of Filamentous Fungus, Humic Acids, Bentonite, and Ferric Oxyhydroxides

Urík

Bujdoš

Gardošová

et al. 2018

Water Air Soil Pollut

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Diauxic growth of Geotrichum candidum and Penicillium camembertii on amino acids and glucose

Cited by 11 publications

References 33 publications

Dual Purpose System for Water Treatment From a Polluted River and the Production of Pistia stratiotes Biomass Within a Biorefinery

Dual Purpose System for Water Treatment From a Polluted River and the Production of Pistia stratiotes Biomass Within a Biorefinery

ProducingAspergillus tubingensisCTM507 Glucose oxidase by Solid state fermentation versus submerged fermentation: process optimization and enzyme stability by an intermediary metabolite in relation with diauxic growth

Selenite Distribution in Multicomponent System Consisting of Filamentous Fungus, Humic Acids, Bentonite, and Ferric Oxyhydroxides

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