Nitrogen is essential to extend the fermentative growth of Saccharomyces cerevisiae in the presence of isoproturon

M. Candeias; I. Alves-Pereira; R. Ferreira

Nitrogen is essential to extend the fermentative growth of Saccharomyces cerevisiae in the presence of isoproturon

In: Industrial, medical and environmental applications of microorganisms

Authors:

M. Candeias

M. Candeias ¹Department of Chemistry, School of Sciences and Technology, University of Évora, R. Romão Ramalho 59, 7002-554 Évora, Portugal; raf@uevora.pt
²Institute of Mediterranean Agrarian Environmental (ICAAM), University of Évora, Núcleo da Mitra, Apartado 94, 7002-774 Évora, Portugal

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I. Alves-Pereira

I. Alves-Pereira ¹Department of Chemistry, School of Sciences and Technology, University of Évora, R. Romão Ramalho 59, 7002-554 Évora, Portugal; raf@uevora.pt
²Institute of Mediterranean Agrarian Environmental (ICAAM), University of Évora, Núcleo da Mitra, Apartado 94, 7002-774 Évora, Portugal

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R. Ferreira

R. Ferreira ¹Department of Chemistry, School of Sciences and Technology, University of Évora, R. Romão Ramalho 59, 7002-554 Évora, Portugal; raf@uevora.pt
²Institute of Mediterranean Agrarian Environmental (ICAAM), University of Évora, Núcleo da Mitra, Apartado 94, 7002-774 Évora, Portugal

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Type:: Chapter

Pages:: 142–146

DOI:: https://doi.org/10.3920/9789086867950_024

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In nature and in industrial musts, pollutants are available in a complex mixture where some specific microorganisms are able to mineralize or degrade them in more basic and less harmful compounds to the environment. Isoproturon, a phenylurea herbicide, is an environmental contaminant poorly degraded in soils and aquifers, reaching levels considered toxic by European legislation. Thus, it is urgent to discover microorganisms able to degrade or eliminate these pollutants in situations of accidental or systematic contamination, establishing the best culture conditions. Therefore, in this work it was intended to evaluate if peptone, a nitrogen source, essential for yeast growth, amends the extension of fermentative phase of a wild-type strain Saccharomyces cerevisiae UE-ME₃ caused by isoproturon. The results show that this wild-type yeast grown in peptone starvation conditions, in presence of 100 μM isoproturon, started early the fermentative-respiratory transition.

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Industrial, medical and environmental applications of microorganisms

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E-Book ISBN:: 9789086867950

Publisher:: Wageningen Academic

Print Publication Date:: 01 Nov 2014

Subjects
- Life Sciences

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Nitrogen is essential to extend the fermentative growth of Saccharomyces cerevisiae in the presence of isoproturon

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Industrial, medical and environmental applications of microorganisms

Current status and trends

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