''Bacillus firmus'' is a species of bacteria within the genus ''
Bacillus
''Bacillus'' (Latin "stick") is a genus of Gram-positive, rod-shaped bacteria, a member of the phylum ''Bacillota'', with 266 named species. The term is also used to describe the shape (rod) of other so-shaped bacteria; and the plural ''Bacilli ...
''. Some strains of this species are very
alkaline
In chemistry, an alkali (; from ar, القلوي, al-qaly, lit=ashes of the saltwort) is a base (chemistry), basic, ionic compound, ionic salt (chemistry), salt of an alkali metal or an alkaline earth metal. An alkali can also be defined as ...
-tolerant and may grow in environments with pH as high as 11.
This species has been recently transferred into the genus ''
Cytobacillus.''
The correct nomenclature is ''Cytobacillus firmus.''
References
Further reading
*
External links
Type strain of ''Bacillus firmus'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
firmus
According to the ''Historia Augusta'', Firmus (died 273) was a usurper during the reign of Aurelian. The contradictory accounts of his life and the man himself are considered to be a complete fabrication, perhaps based on the later Firmus.
Hist ...
Bacteria described in 1933
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