2011). Geobacter sulfurreducens Geobacter Sulfurreducens is an obligate anaerobe, non-fermentative, non-motile comma-shaped rod, gram-negative bacteria commonly found in soil (Runge 2003). Mining for Uranium became a necessity during the Cold War but eventually we came to our senses The old Rifle Mill in Western Colorado was where The United States obtained its resources for uranium to help build nuclear bombs. Now that we have stopped trying to blow eachother up, the lasting effects still linger
Microorganisms are present almost everywhere in the world both in living and non-living systems. Whenever the microorganisms are present close to some toxins or contaminants, they help in their removal or sequestration in one way or the other and thereby clean up the environment. These special classes of microorganisms are considered very important for the environment as they considered as “Natural Cleansers” of the ecosystem. Microbial bioremediation can be seen happening almost anywhere such as
contaminated soil, water, sewage etc. c) Heterotrophic Leaching: Heterotrophic metabolism can also account for leaching as it can cause the release of proton or organic acids (Burgstaller and Schinner 1993). For eg., Uranium reacts with chelating anion like citrate and form very stable Uranium- citrate complexes (Borkowski et al. 1997). Now, many microorganisms such as bacteria or fungi are able to act upon these metal-chelate complexes and thus form products which are non- toxic to environment.