Alicyclobacillus tolerans

Alicyclobacillus tolerans is a species of Gram positive, strictly aerobic, bacterium. The bacteria are acidophilic and produced endospores. It was first isolated from oxidizable lead–zinc ores in Uzbekistan. The strain was first identified in 1983, but was classified as Sulfobacillus thermosulfidooxidans subsp. thermotolerans strain K1. It was reclassified as Alicyclobacillus in 2005. The species name refers to the ability to tolerate changes in temperature and pH.[1]

Alicyclobacillus
Scientific classification
Domain:
Bacteria
Division:
Firmicutes
Class:
Bacilli
Order:
Bacillales
Family:
Alicyclobacillaceae
Genus:
Alicyclobacillus
Species:
A. tolerans
Binomial name
Alicyclobacillus tolerans
Karavaiko et al. 2005

A. tolerans was reclassified to Alicyclobacillus along with Sulfobacillus disulfidooxidans, which was classified as Alicyclobacillus disulfidooxidans.[1]

The optimum growth temperature for A. tolerans is 37-42 °C, and can grow in the 20-50 °C range. The optimum pH is 2.5-2.7, and can grow in pH 1.5-5.0.[1]

References
  1. Karavaiko, G. I (2005). "Reclassification of 'Sulfobacillus thermosulfidooxidans subsp. Thermotolerans' strain K1 as Alicyclobacillus tolerans sp. nov. And Sulfobacillus disulfidooxidans Dufresne et al. 1996 as Alicyclobacillus disulfidooxidans comb. Nov., and emended description of the genus Alicyclobacillus". International Journal of Systematic and Evolutionary Microbiology. 55 (2): 941–947. doi:10.1099/ijs.0.63300-0.
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