Halobacterium sp. NRC-1, halophilic archaea, cultured by Melissa Martin and Geetha Kannan in BIOL 239

Halobacterium sp. NRC-1 live culture, 1000X oil. Crinkled pink appearance of large cells (such as top middle) is due to gas vesicles.

Halobacterium sp. NRC-1 stained with methylene blue, 1000X oil. Note dark-appearing ends of each cell.