TABLE 3.
Calculation of total 16S rRNA content and total cell counts per milligram of stone
| Sample | No. of 16S rRNA genes (molecules/mg of stone) | Total bacterial cells/mg of stone |
|---|---|---|
| 1A (stone) | 6.56 × 106 | 6.56 × 106-3.93 × 107 |
| 1B (lichen) | 2.92 × 107 | 2.92 × 107-1.75 × 108 |
| 2A (stone) | 5.01 × 107 | 5.01 × 107-3.06 × 108 |
| 2B (lichen) | 1.24 × 107 | 1.24 × 107-7.55 × 106 |
| 3 (limestone) | NAa | NA |
| 4 (limestone) | 2.34 × 107 | 2.34 × 107-1.40 × 108 |
| 5A (stone) | 4.04 × 106 | 4.04 × 106-2.42 × 107 |
| 5B (lichen) | 4.40 × 106 | 4.40 × 106-2.64 × 107 |
a
NA, no amplification.