Various mechanisms have been proposed to explain the biological dissimilatory reduction
of selenite (SeO 3 2- ) to elemental selenium (Se), although none is without controversy. …

During the last two decades, more than 100 cattle deaths have been reported from 11 alpine
sites in south-eastern Switzerland. Pathological findings and the histological examination of …

Conventional carbonate–water oxygen isotope thermometry and the more recently
developed clumped isotope thermometer have been widely used for the reconstruction of …

Until now, Escherichia coli was thought to be unable to develop natural competence, ie,
genetic transformation could be achieved only artificially with the aid of nonphysiological …

Currently, pollution by heavy metals is one of our most serious environmental problems.
Metals such as lead and cadmium enter the biosphere through biogenic and anthropogenic …

As an alternative to the current disposal technologies for waste sulfuric acid, a new
combination of recycling processes was developed. The strong acid (H 2 SO 4 ) is biologically …

A new aerobic bacterium was isolated from the sediment of a freshwater pond close to a
contaminated site at Amponville (France). It was enriched in a fixed-bed reactor fed with 2,6-…

Lake Cadagno is a 21 m deep alpine meromictic lake situated at an altitude of 1921 m in the
Piora valley in the southern part of central Switzerland. The bedrock of the valley containing …

An anaerobic microbial community containing 4 to 5 different populations capable of degrading
syringic acid completely to CH 4 and CO 2 was enriched from freshwater lake sediments. …

In glacial lakes on an alpine pasture in Switzerland, benthic cyanobacteria produced
microcystin, a cyclic hepatotoxic heptapeptide. The cyanobacteria formed dense mats on …