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General Physiology of Alkaliphiles

  • Koki Horikoshi

Generally, alkaliphiles require alkaline environments and sodium ions not only for growth but also for sporulation and germination. Sodium ion-dependent uptake of nutrients has been reported in some alkaliphiles. Many alkaliphiles require various nutrients, such as polypeptone and yeast extracts, for their growth; several alkaliphilic Bacillus strains (Bacillus halodurans C-125, A-59, C-3, and AH-101) can grow in simple minimal media containing glycerol, glutamic acid, citric acid, etc. One of the best strains for genetic analysis is alkaliphilic B. halodurans C-125 and its many mutants have been made by conventional mutation methods. Whole genome sequence was determined and annotated in 2000 (Takami et al. 2000).

Extracellular pH Values

Alkaliphilic microorganisms are ubiquitous: Many alkaliphilic bacteria and archaea can be isolated more commonly from the earth. Alkalinity in nature may be the result of the geology and climate of the area, of industrial processes, or promoted by...

Keywords

Alkaliphilic Bacillus Flagellar Motor Alkaline Protease Producer Alkaliphilic Bacterium Teichuronic Acid 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer 2011

Authors and Affiliations

  1. 1.Japan Agency for Marine-Earth Science and Technology (JAMSTEC)YokohamaJapan

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