Figure F279. Epifluorescence microscopic image of microorganisms cultivated from igneous rock samples. Samples were stained with DAPI. A. Fluorescing particles from gabbro subsample (Sample 304-U1309B-16R-2, 0–8 cm) incubated at 65°C by using culture medium for methanogens. B. Cells and/or minerals radiating green light imaged with blue filter of wavelength 450–490 nm. Field of view = 60 µm. C. Fluorescing particles from gabbro subsample (Sample 304-U1309B-16R-2, 0–8 cm) incubated at 85°C by using culture medium for methanogens and stained with DAPI. D. Fluorescing particles from gabbro subsample (Sample 304-U1309B-16R-2, 0–8 cm) incubated at 37°C by using culture medium for heterotrophs. Scale bars = 10 µm.
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