Mercury in water and biomass of microbial communities in hot springs of Yellowstone National Park, USA
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Abstract
Ultra-clean sampling methods and approaches typically used in pristine environments were applied to quantify concentrations of Hg species in water and microbial biomass from hot springs of Yellowstone National Park, features that are geologically enriched with Hg. Microbial populations of chemically-diverse hot springs were also characterized using modern methods in molecular biology as the initial step toward ongoing work linking Hg speciation with microbial processes. Molecular methods (amplification of environmental DNA using 16S rDNA primers, cloning, denatured gradient gel electrophoresis (DGGE) screening of clone libraries, and sequencing of representative clones) were used to examine the dominant members of microbial communities in hot springs. Total Hg (THg), monomethylated Hg (MeHg), pH, temperature, and other parameters influential to Hg speciation and microbial ecology are reported for hot springs water and associated microbial mats.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Mercury in water and biomass of microbial communities in hot springs of Yellowstone National Park, USA |
| Series title | Applied Geochemistry |
| DOI | 10.1016/j.apgeochem.2006.08.004 |
| Volume | 21 |
| Issue | 11 |
| Year Published | 2006 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | Toxic Substances Hydrology Program |
| Description | 12 p. |
| First page | 1868 |
| Last page | 1879 |
| Google Analytic Metrics | Metrics page |