SUSCEPTIBILITY OF DIFFERENT YEAST SPECIES TO ENVIRONMENTAL TOXIC METALS

被引：37

作者：

BERDICEVSKY, I ^{[1
]}

DUEK, L ^{[1
]}

MERZBACH, D ^{[1
]}

YANNAI, S ^{[1
]}

机构：

[1] TECHNION ISRAEL INST TECHNOL,DEPT FOOD ENGN & BIOTECHNOL,IL-31096 HAIFA,ISRAEL

来源：

ENVIRONMENTAL POLLUTION | 1993年 / 80卷 / 01期

关键词：

D O I：

10.1016/0269-7491(93)90007-B

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The purpose of the study reported here was to investigate the relative resistance of yeast species to various metallic and metalloid ions, with a view to gaining more knowledge on this subject, as resistant species may become dominant in habitats contaminated with the relevant metals. Saccharomyces cerevisiae, Candida albicans and Candida tropicalis were grown in media containing different concentrations of mercury (as HgCl2), cadmium (as CdCl2), lead (as Pb(CH3COO)2), arsenic (as Na2HAsO4) and selenium (as Na2SeO3) for various intervals. Invariably, the two Candida species turned out to be more resistant to all the metals studied than S. cerevisiae. The metal showing the highest toxicity for these species was mercury, with cadmium being the second, lead, the third and arsenic and selenium being the least toxic elements. Strains showing resistance to mercury were isolated, even in the case of S. cerevisiae.

引用

页码：41 / 44

页数：4

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