''Alkalihalobacillus alcalophilus'' (formerly ''Bacillus alcalophilus'') is a
Gram-positive
In bacteriology, gram-positive bacteria are bacteria that give a positive result in the Gram stain test, which is traditionally used to quickly classify bacteria into two broad categories according to their type of cell wall.
Gram-positive bact ...
,
rod-shaped
A bacillus (), also called a bacilliform bacterium or often just a rod (when the context makes the sense clear), is a rod-shaped bacterium or archaeon. Bacilli are found in many different taxonomic groups of bacteria. However, the name '' Baci ...
species of
bacteria
Bacteria (; singular: bacterium) are ubiquitous, mostly free-living organisms often consisting of one Cell (biology), biological cell. They constitute a large domain (biology), domain of prokaryotic microorganisms. Typically a few micrometr ...
. Likely strains of this species have been isolated from highly
alkaline waste water. ''A. alcalophilus'' is a moderate halotolerant obligate alkaliphile growing at 40 °C and at pH 9–10.5 (and possibly higher) that has been isolated from soil and animal manures.
This species was transferred into the genus ''
Alkalihalobacillus
''Alkalihalobacillus'' is a genus of gram-positive or gram-variable rod-shaped bacteria in the family ''Bacillaceae'' from the order ''Bacillales''. The type species of this genus is '' Alkalihalobacillus alcalophilus.''
This genus comprises ...
'' in 2020 after a
phylogenomic
Phylogenomics is the intersection of the fields of evolution and genomics. The term has been used in multiple ways to refer to analysis that involves genome data and evolutionary reconstructions. It is a group of techniques within the larger fields ...
study to resolve the
polyphyly of 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 ''Bacill ...
''.
Genome
A draft genome of ''A. alcalophilus strain'' AV1934 has 4,348,660 bp, with 3,745 predicted proteins. The G+C content of the genome is 37.2%. Another draft genome has 4,095 predicted genes and 4,063 predicted proteins.
References
Further reading
External links
Type strain of ''Bacillus alcalophilus'' at Bac''Dive'' - the Bacterial Diversity Metadatabase
Bacillaceae
Bacteria described in 1934
{{bacilli-stub