Table 2.
Moderate (0.5 ≤ R < 0.7) to weak (0.3 ≤ R < 0.5) Pearson correlations between families and %MeHg in all samples based on 16 S rRNA.
| Families | Correlations with %MeHg |
|---|---|
| Unclassified Fibrobacterales | 0.56 |
| Methanothrix | 0.54 |
| Unclassified Ignavibacteriales | 0.52 |
| Spirochaetaceae | 0.52 |
| Holophagaceae | 0.50 |
| Anaerolineaceae | 0.41 |
| Lentimicrobiaceae | 0.40 |
| Syntrophobacteraceae | 0.39 |
| Unclassified Phycisphaerales | 0.37 |
| Methanosarcinaceae | 0.37 |
| Methanoregulaceae | 0.35 |
| Desulfobulbaceae | 0.35 |
| Porphyromonadaceae | 0.35 |
| Rhodobiaceae | 0.33 |
| Unclassified Clostridiales | 0.32 |
| Gemmatimonadaceae | 0.30 |
| Syntrophaceae | 0.30 |
| Unclassified Omnitrophica | 0.30 |
| Nitrosomonadaceae | 0.30 |
| Desulfobacteraceae | 0.30 |
| Dehalococcoidaceae | 0.30 |
| Unclassified Obscuribacterales | −0.30 |
| Unclassified Solibacterales | −0.33 |
| Tepidisphaeraceae | −0.38 |
Families potentially involved in Hg methylation were marked in bold.