Brevibacillus nitrificans Takebe et al. 2012 Takebe F. Hirota K. Nodasaka Y. Yumoto I. Brevibacillus nitrificans sp. nov., a nitrifying bacterium isolated from a microbiological agent for enhancing microbial digestion in sewage treatment tanks 2012 62 9 2121 2126 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.032342-0 22039003