Deinococcus (from the δεινός, deinos, `dreadful, strange` and κόκκος, kókkos, `granule`) is one genus of three in the Deinococcales group of the Deinococcus-Thermus phylum of bacteria highly resistant to environmental hazards. These bacteria have thick cell walls that give them Gram-positive stains, but they include a second membr...