Many biotechnological applications deal with nitrification, one of the main steps of the global
nitrogen cycle. The biological oxidation of ammonia to nitrite and further to nitrate is critical to …

This study deals with the effects of hydrodynamic functioning of hard-rock aquifers on
microbial communities. In hard-rock aquifers, the heterogeneous hydrologic circulation …

Microorganisms in the terrestrial deep biosphere host up to 20% of the earth's biomass and
are suggested to be sustained by the gases hydrogen and carbon dioxide. A metagenome …

Little research has been conducted on microbial diversity deep under the Earth's surface. In
this study, the microbial communities of three deep terrestrial subsurface aquifers were …

Routine monitoring of benthic biodiversity is critical for managing and understanding the
anthropogenic impacts on marine, transitional and freshwater ecosystems. However …

Deep subsurface biofilms are estimated to host the majority of prokaryotic life on Earth, yet
fundamental aspects of their ecology remain unknown. An inherent difficulty in studying …

In this work, reclaimed water treated with sodium hypochlorite (NaClO) or chlorine dioxide
(ClO 2) at 1, 2, and 4 mg/L was operated successively for 30 days respectively, in annular …

The subsurface is one of the last remaining 'uncharted territories' of Earth and is now
accepted as a biosphere in its own right, at least as critical to Earth systems as the surface …

Microbial Fe (III) reduction significantly influences the fate of various elements and
contaminants. Previous research has employed different Fe (III)-OM complexes and …

Microaerophilic Fe (II) oxidizers are commonly found in habitats containing elevated Fe (II)
and low O2 concentrations and often produce characteristic Fe mineral structures, so-called …