title: A mutant of Bacillus subtilis producing ultraviolet-sensitive spores.
mesh_terms: D001412:Bacillus subtilis / Q000528:radiation effects*; D002587:Cesium Isotopes; D009154:Mutation; D011830:Radiation Effects; D013170:Spores / Q000528:radiation effects*; D014466:Ultraviolet Rays
chemical_list: D002587:Cesium Isotopes