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Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Acidithiobacillia
Order: Acidithiobacillales
Family: Thermithiobacillaceae
Genus: Thermithiobacillus

Thermithiobacillus tepidarius Thermithiobacillus plumbiphilus Thermithiobacillus sp. ParkerM

Thermithiobacillus is a genus of non-sporeforming, rod-shaped, Gram-negative bacteria. The name derives from the Latin thermae, for warm baths, and the Classical Greek θείος, theios for sulfur. The type species of this genus was previously assigned to the genus Thiobacillus, but it was reclassified on the basis of 16S rRNA analysis in 2000, creating this genus.[1]

A phylogenetic analysis, using 98 protein families confirmed this reassignment.[2] This chemolithoautotrophic genus is obligately aerobic and moderately thermophilic (43-45 °C).[1] The type species is Thermithiobacillus tepidarius (Thermithiobacillus tepidarius).[3] Thermithiobacillus plumbiphilus was published in 2016.[4]


  1. ^ a b Kelly and Wood; Wood, AP (2000). "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. 50: 489–500. doi:10.1099/00207713-50-2-511. PMID 10758854. 
  2. ^ Hudson, Williams and Kelly (2014). "Definitive Assignment by Multigenome Analysis of the Gammaproteobacterial Genus Thermithiobacillus to the Class Acidithiobacillia". Pol. J. Microbio. 63: 245–247. 
  3. ^ LPSN
  4. ^ Wanatabe; Wanatabe, T; et al. (2016). "Thermithiobacillus plumbiphilus sp. nov., a sulfur oxidizing bacterium isolated from lead sulfide". Int. J. Syst. Evol. Microbiol. 66: 1986–1989. doi:10.1099/ijsem.0.000972. PMID 26873326. 

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