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Effects of Organotin and Organolead Compounds on Yeasts

Joseph J. Cooney, L de Rome, Oliver S. Laurence
10 pp.
MITSG 90-11J

Organometals are generally more toxic to microorganisms than inorganic forms of the same metal. Organoleads, which enter the environment through leaded gasoline; and organotins, which enter the environment through antifouling paints, chemical processes and in consumer goods; are of concern because of their effects on natural microbial populations. The authors report screening 29 yeasts in 10 genera for sensitivity to organotin and organolead compounds. Release of potassium provided quantitative information and allowed comparisons between compounds and between organisms. Yeasts varied in their sensitivity, but tributyltin was the most toxic compound tested.

type: Technical reports

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