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Toxicity of membrane filters to Thiobacillus ferrooxidans

✍ Scribed by O. H. Tuovinen; S. I. Niemelä; Prof. Dr. H. G. Gyllenberg

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
285 KB
Volume
11
Category
Article
ISSN
0233-111X

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✦ Synopsis

Toxicity of membrane filters to Thiobacillus ferrooxidans 0. H. TUOVINEN~), S. I. NIEMELA and H. G. GYLLENBERC (Eingegangen a m 30. 4. 1971)

Membrane filters of different origins and types contain substances that are toxic t o Thiobacillus ferrooxida.ns in media where Fez+ constitutes the source of energy. The toxic principle(s) can be almost completely removed by heating to 115-120 "C or by leaching in boiling water. The damage of the membranes which follows from these treatments makes the membranes useless for ordinary filtration. It seems then that the development of a standard quantitative method using ferrous iron agar for the enumeration of chemolithotrophic iron-oxidizing bacteria requires further attention.

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