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Title: Saccharomyces cerevisiae UE-ME3 is a good strain for isoproturon biorremediation?
Authors: Candeias, M
Alves-Pereira, I
Ferreira, R
Editors: Mendez-Vilas, A
Keywords: Saccharomyces cerevisiae
lipid peroxidation
Issue Date: 2010
Publisher: World Scientific
Citation: Candeias M, Alves-Pereira I, Ferreira R (2010) – Saccharomyces cerevisiae UE-ME3 is a good strain for isoproturon biorremediation? In: Microorganisms in industry and environment. From scientific and industrial research to consumer products (Mendez-Vilas A, ed), pp 199-203. World scientific publishing Co. Pte, Ltd, Singapore. (ISBN-13: 978-981-4322-10-2).
Abstract: Isoproturon, an herbicide of pre- and pos-emergence of Autumn-Winter crops, persists occasionally in soil, groundwater and biological systems at levels above those established by European Directives. Saccharomyces cerevisiae UE-ME3 exposed in stationary phase to 50 and 100 mM isoproturon exhibit growth rates higher than control or exposed cells to 5 and 25 mM of this phenylurea. However, in S.cerevisiae UE-ME3 grown in the presence of 5 mM isoproturon, were observed a decrease of GSH/GSSG ratio, an increase of cytoplasmatic MDA level, GR and GPx activities, usual markers of cell damage and oxidative stress. Nevertheless, S.cerevisiae grown at 25, 50 and 100 mM isoproturon, have developed adaptive responses to this phenylurea by stabilization of its reducing environment, lipid peroxidation decrease and GR, GPx activities increase, events regulated by isoproturon level in culture medium, facts which suggest that this yeast strain can be useful on bioremediation.
ISBN: 978-981-4322-10-2
Type: bookPart
Appears in Collections:MED - Publicações - Capítulos de Livros
QUI - Publicações - Capítulos de Livros

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