Figure F18. Photomicrograph showing bacterial cells from an upper sediment layer from a depth of 1.45 mbsf (Sample 200-1224C-1H-4, 145-150 cm). A. After staining with the DNA-binding fluorochrome SYBR Green I. B. Hybridization with the Bacteria-specific, CY3-labeled probe EUB338. Note the numerous bacteria responding to the specific hybridization, indicating the high amount of metabolically active bacteria within the sediment.

Figure F18. Photomicrograph showing bacterial cells from an upper sediment layer from a depth of 1.45 mbsf (Sample 200-1224C-1H-4, 145-150 cm). A. After staining with the DNA-binding fluorochrome SYBR Green I. B. Hybridization with the Bacteria-specific, CY3-labeled probe EUB338. Note the numerous bacteria responding to the specific hybridization, indicating the high amount of metabolically active bacteria within the sediment.