Alkaliphile

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Alkaliphiles are microbes classified as extremophiles that thrive in alkaline environments with a pH of 9 to 11 such as soda lakes and carbonate-rich soils. To survive, alkaliphiles maintain a relatively low alkaline level of about 8 pH inside their cells by constantly pumping hydrogen ions (H+) in the form of hydronium ions (H3O+) across their cell membranes into their cytoplasm.

Examples include:

  • Geoalkalibacter ferrihydriticus[1]
  • Bacillus okhensis [2]
  • Alkalibacterium iburiense[3]

  1. ^ Zavarzina DG; Kolganova TV; Bulygina ES; Kostrikina NA; Turova TP; Zavarzin GA. (Nov-Dec 2006). "Geoalkalibacter ferrihydriticus gen. nov., sp. nov., the first alkaliphilic representative of the family Geobacteraceae, isolated from a soda lake". Mikrobiologiia 75 (6): 775-85. PMID 17205802. 
  2. ^ Nowlan B; Dodia MS; Singh SP; Patel BK. (May 2006). "Bacillus okhensis sp. nov., a halotolerant and alkalitolerant bacterium from an Indian saltpan.". Int J Syst Evol Microbiol. 56 (Pt 5): 1073-7. PMID 16627657. 
  3. ^ Nakajima K; Hirota K; Nodasaka Y; Yumoto I (Jul 2005). "Alkalibacterium iburiense sp. nov., an obligate alkaliphile that reduces an indigo dye.". Int J Syst Evol Microbiol. 55 (Pt 4): 1525-30. PMID 16014476. 

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Extremophile
Categories Acidophile · Alkaliphile · Capnophile · Endolith · Halophile · Hyperthermophile · Hypolith · Lithoautotroph · Lithophile  · Oligotroph · Osmophile · Piezophile · Polyextremophile · Psychrophile · Thermophile · Xerophile
Notable extremophiles Chloroflexus aurantiacus · Deinococcus radiodurans · Deinococcus-Thermus · Paralvinella sulfincola · Pompeii worm · Pyrococcus furiosus · Snottite · Strain 121 · Thermus aquaticus · Thermus thermophilus
Related articles Archaea · Abiogenic petroleum origin · Acidithiobacillales · Acidobacteria ·

Archaeoglobaceae · Berkeley Pit · Crenarchaeota · Grylloblattidae · Halobacteria ·

Halobacterium · Hydrothermal vent · Methanopyrus · Radioresistance · Thermostability  · Thermotogae
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