Environmental controls on denitrifying communities and denitrification rates: Insights from molecular methods
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Abstract
The advent of molecular techniques has improved our understanding of the microbial communities responsible for denitrification and is beginning to address their role in controlling denitrification processes. There is a large diversity of bacteria, archaea, and fungi capable of denitrification, and their community composition is structured by long-term environmental drivers. The range of temperature and moisture conditions, substrate availability, competition, and disturbances have long-lasting legacies on denitrifier community structure. These communities may differ in physiology, environmental tolerances to pH and O2, growth rate, and enzyme kinetics. Although factors such as O2, pH, C availability, and NO3− pools affect instantaneous rates, these drivers act through the biotic community. This review summarizes the results of molecular investigations of denitrifier communities in natural environments and provides a framework for developing future research for addressing connections between denitrifier community structure and function.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Environmental controls on denitrifying communities and denitrification rates: Insights from molecular methods |
| Series title | Ecological Applications |
| DOI | 10.1890/1051-0761(2006)016[2143:ECODCA]2.0.CO;2 |
| Volume | 16 |
| Issue | 6 |
| Year Published | 2006 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Toxic Substances Hydrology Program |
| Description | 10 p. |
| First page | 2143 |
| Last page | 2152 |
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