| WHO | World Health Organization |
| HM | Heavy metal |
| Hg | Mercury |
| As | Arsenic |
| Cd | Cadmium |
| Pb | Lead |
| Zn | Zinc |
| DNA | Deoxyribonucleic acid |
| MeHg | Organomercury/monomethyl |
| ROS | Reactive oxygen species |
| EPS | Extracellular polymeric substances |
| LPS | Particularly lipopolysaccharides |
| EPSs | Exopolysaccharides |
| RNS | Reactive nitrogen species |
| RNA | Ribonucleic acid |
| NCBI | National Center for Biotechnology Information |
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