Query: NC_013922:938091 Natrialba magadii ATCC 43099 chromosome, complete genome Lineage: Natrialba magadii; Natrialba; Halobacteriaceae; Halobacteriales; Euryarchaeota; Archaea General Information: Isolation: Lake Magadi in Kenya; Temp: Mesophile; Habitat: Fresh water. Natrialba magadii was isolated from Lake Magadi in Kenya. This organism is a extreme halophilic, alkaliphilic member of the Archaea.
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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.