alkalihalobacillus alcalophilus 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. 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. 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.