Bacillus alcalophilus is a Gram-positive, rod-shaped species of bacteria. Likely strains of this species have been isolated from highly alkaline waste water. B. 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. A draft genome of B. 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. 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.