The present disclosure relates to methods, compositions and articles of manufacture useful for the treatment of Bacillus anthracis and B. cereus bacteria and spores, and related conditions. The disclosure further relates to compositions comprising various phage associated lytic enzyme that rapidly and specifically detect and kill Bacillus anthracis and other bacteria. Related articles of manufacture, methods of degrading spores and methods of treatment of infections or bacteria populations of, or subjects exposed to or at risk for exposure to Bacillus anthracis are also provided.