Alkalihalobacillus alcalophilus

Alkalihalobacillus alcalophilus (formerly Bacillus alcalophilus) is a Gram-positive, rod-shaped species of bacteria. 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.[1][2]

Alkalihalobacillus alcalophilus
Scientific classification
Domain: Bacteria
Phylum: Bacillota
Class: Bacilli
Order: Bacillales
Family: Bacillaceae
Genus: Alkalihalobacillus
Species:
A. alcalophilus
Binomial name
Alkalihalobacillus alcalophilus
(Vedder, 1934) Patel & Gupta 2020

This species was transferred into the genus Alkalihalobacillus in 2020 after a phylogenomic study to resolve the polyphyly of the genus Bacillus.[3]

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.[4]

References
  1. Ntougias, S; Zervakis, GI; Ehaliotis, C; Kavroulakis, N; Papadopoulou, KK (May 2006). "Ecophysiology and molecular phylogeny of bacteria isolated from alkaline two-phase olive mill wastes". Research in Microbiology. 157 (4): 376–85. doi:10.1016/j.resmic.2005.09.010. PMID 16307869.
  2. Lewis, R. J.; Kaback, E.; Krulwich, T. A. (1982). "Pleiotropic Properties of Mutations to Non-alkalophily in Bacillus alcalophilus". Microbiology. 128 (2): 427–430. doi:10.1099/00221287-128-2-427.
  3. Patel, Sudip; Gupta, Radhey S. (2020-01-01). "A phylogenomic and comparative genomic framework for resolving the polyphyly of the genus Bacillus: Proposal for six new genera of Bacillus species, Peribacillus gen. nov., Cytobacillus gen. nov., Mesobacillus gen. nov., Neobacillus gen. nov., Metabacillus gen. nov. and Alkalihalobacillus gen. nov". International Journal of Systematic and Evolutionary Microbiology. 70 (1): 406–438. doi:10.1099/ijsem.0.003775. ISSN 1466-5026.
  4. Attie O, Jayaprakash A, Shah H, Paulsen IT, Morino M, Takahashi Y, Narumi I, Sachidanandam R, Satoh K, Ito M, Krulwich TA (2014). "Draft Genome Sequence of Bacillus alcalophilus AV1934, a Classic Alkaliphile Isolated from Human Feces in 1934". Genome Announc. 2 (6). doi:10.1128/genomeA.01175-14. PMC 4241669. PMID 25395643.

Further reading

Liu, Yihan; Zhang, Tao; Zhang, Zhimeng; Sun, Tongyi; Wang, Jianling; Lu, Fuping (2014). "Improvement of cold adaptation of Bacillus alcalophilus alkaline protease by directed evolution". Journal of Molecular Catalysis B: Enzymatic. 106: 117–123. doi:10.1016/j.molcatb.2014.05.005.


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