Query: NC_007426:205390 Natronomonas pharaonis DSM 2160, complete genome Lineage: Natronomonas pharaonis; Natronomonas; Halobacteriaceae; Halobacteriales; Euryarchaeota; Archaea General Information: Isolated from Lake Gabara in Egypt. Extreme haloalkaliphilic archeon. Natronomonas pharaonis is able to survive at high salt and pH conditions which results in limited nitrogen availability through ammonium. In order to compensate for this, Natronomonas pharaonis has developed three systems to promote nitrogen assimilation: direct uptake of ammonia, uptake of nitrate, and uptake of urea. Another problem with high pH environments is the use of a proton gradient for the generation of ATP, which other alkaliphiles have adapted to by substitution of sodium ions for protons. However, this organism utilizes protons for ATP generation as determined by experimental data.
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General Information: Paenibacillus mucilaginosus is critical silicate bacteria in the biogeochemical cycling of potassium, phosphorus, and other soil elements, and is widely used in agriculture, bioleaching, and wastewater treatment. P. mucilaginosus is able to degrade insoluble soil minerals with the release of nutritional ions and fix nitrogen, and thus it has been successfully used as a biofertilizer since the 1990s. The exocellular polysaccharides produced by P. mucilaginosus is also an effective bioflocculant, and thus plays a potential role in the treatment of wastewater and biohydrometallurgy.