Halothiobacillus
Halothiobacillus | |
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Scientific classification | |
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Halothiobacillaceae
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Genus: |
Halothiobacillus
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Species | |
Halothiobacillus halophilus |
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Halothiobacillus is a genus of Proteobacteria. All species are obligate aerobic bacteria; they require oxygen to grow. They are also halophilic; they live in environments with high concentrations of salt, and are considered "extremophiles".
The members of this genus used to belong to Thiobacillus, before they were reclassified in the year 2000. They are now classified with the purple sulfur bacteria.
Environmental Importance
Together with beta-proteobacteria such as Thiomonas intermedia, Halothiobacillus species play an important role in global carbon and sulfur cycles. They are able to depend entirely on inorganic compounds (CO2 and reduced sulfur) for their carbon and energy needs. They are able to promote corrosion of concrete, acidification of mine tailings, and bio-leaching of low-grade ores.
Species
- Halothiobacillus halophilus
- Halothiobacillus hydrothermalis
- Halothiobacillus kellyi
- Halothiobacillus neapolitanus
H. neapolitanus is a model organism for studying carboxysomes.
References
Kelly, D.P., and Wood, A.P. "Reclassification of some species of Thiobacillus to the newly designated genera Acidithiobacillus gen. nov., Halothiobacillus gen. nov. and Thermithiobacillus gen. nov." Int. J. Syst. Evol. Microbiol. (2000) 50:489-500.
External links
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