Vanadium pentoxide effects on stress responses in wine Saccharomyces cerevisiae strain UE-ME3

被引：7
作者：
Rosado, Tania [2 ]
Conim, Ana [2 ]
Alves-Pereira, Isabel [1 ,2 ]
Ferreira, Rui [1 ,2 ]
机构：
[1] Inst Ciencias Agr Mediterran ICAM Colegio Mitra, P-7000083 Evora, Portugal
[2] Univ Evora, Dept Quim, P-7002671 Evora, Portugal
来源：
ECOTOXICOLOGY | 2009年 / 18卷 / 08期
关键词：
Vanadium; Malonaldehyde; Catalase A; Mitochondrial NADH cit c reductase; Glutathione peroxidase; Saccharomyces cerevisiae; MITOCHONDRIAL-MEMBRANE SYSTEM; OXIDATIVE STRESS; CATALASE-A; SCHIZOSACCHAROMYCES-POMBE; GLUTATHIONE-PEROXIDASE; ACETIC-ACID; YEAST; PROTEIN; NADH; MECHANISMS;
D O I：
10.1007/s10646-009-0363-9
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
Vanadium pentoxide mainly used as catalyst in sulphuric acid, maleic anhydride and ceramics industry, is a pollutant watering redistributed around the environment. Research on biological influence of vanadium pentoxide has gained major importance because it exerts toxic effects on a wide variety of biological systems. In this work we intent to evaluate the effects of vanadium pentoxide ranging from 0 to 2 mM in culture media on a wine wild-type Saccharomyces cerevisiae from Alentejo region of Portugal. Our results show that 2.0 mM vanadium pentoxide in culture medium induced a significant increase of malonaldehyde level and Glutathione peroxidase activity, a slightly increase of Catalase A activity as well as a decrease of wet weight and mitochondrial NADH cit c reductase of S. cerevisiae UE-ME3. Also our results show that cycloheximide prevent cell death when cells grows 30 min in presence of 1.5 mM of vanadium pentoxide.
引用
收藏
页码：1116 / 1122
页数：7
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