Geobacter species specialize in making electrical contacts with extracellular electron
acceptors and other organisms. This permits Geobacter species to fill important niches in a …

In the past several years, we have witnessed an increased interest in understanding the
structure and function of the indigenous microbiota that inhabits the human body. It is hoped …

Discerning network interactions among different species/populations in microbial
communities has evoked substantial interests in recent years, but little information is …

Microorganisms that can form direct electrical connections with insoluble minerals,
electrodes, or other microorganisms can play an important role in some traditional as well as …

Understanding adaptation of biological communities to environmental change is a central
issue in ecology and evolution. Metagenomic analysis of a stressed groundwater microbial …

The effect of long-term mixed-waste contamination, particularly uranium and nitrate, on the
microbial community in the terrestrial subsurface was investigated at the field scale at the …

Field biostimulation experiments at the US Department of Energy's Integrated Field
Research Challenge (IFRC) site in Rifle, Colorado, have demonstrated that uranium …

Sulphate-reducing microorganisms (SRMs) are a phylogenetically diverse group of
anaerobes encompassing distinct physiologies with a broad ecological distribution. As …

Sulfate is ubiquitous in groundwater, with both natural and anthropogenic sources. Sulfate
reduction reactions play a significant role in mediating redox conditions and biogeochemical …

Methylmercury (MeHg) is a bioaccumulative toxic contaminant in many ecosystems, but
factors governing its production are poorly understood. Recent work has shown that the …