From the bottom sediments of the Dnieper river palaeodelta in the north-western Black Sea at a depth of 730 m, cultures of heterotrophic bacteria (including oil oxidizing forms) and colliform bactera, unicellular algae ...

The growth of chemoorganotrophic microorganisms at ultrahigh concentrations of toxic metals-oxidizers (Hg^2+, Cr4^O2− , and Cu^2+) is possible owing to a manifold increase in the concentration of metals (from 1 • 10−8 up ...