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Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs
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| Zeitschriftentitel: | mSphere |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | mSphere, 5, 2020, 2 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Society for Microbiology
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| Schlagwörter: |
| author_facet |
Potgieter, Sarah C. Dai, Zihan Venter, Stephanus N. Sigudu, Makhosazana Pinto, Ameet J. Potgieter, Sarah C. Dai, Zihan Venter, Stephanus N. Sigudu, Makhosazana Pinto, Ameet J. |
|---|---|
| author |
Potgieter, Sarah C. Dai, Zihan Venter, Stephanus N. Sigudu, Makhosazana Pinto, Ameet J. |
| spellingShingle |
Potgieter, Sarah C. Dai, Zihan Venter, Stephanus N. Sigudu, Makhosazana Pinto, Ameet J. mSphere Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs Molecular Biology Microbiology |
| author_sort |
potgieter, sarah c. |
| spelling |
Potgieter, Sarah C. Dai, Zihan Venter, Stephanus N. Sigudu, Makhosazana Pinto, Ameet J. 2379-5042 American Society for Microbiology Molecular Biology Microbiology http://dx.doi.org/10.1128/msphere.00274-20 <jats:p>Chloramines are often used as a secondary disinfectant when free chlorine residuals are difficult to maintain. However, chloramination is often associated with the undesirable effect of nitrification, which results in operational problems for many drinking water utilities. The introduction of ammonia during chloramination provides a potential source of nitrogen either through the addition of excess ammonia or through chloramine decay. This promotes the growth of nitrifying microorganisms and provides a nitrogen source (i.e., nitrate) for the growth for other organisms. While the roles of canonical ammonia-oxidizing and nitrite-oxidizing bacteria in chloraminated drinking water systems have been extensively investigated, those studies have largely adopted a targeted gene-centered approach. Further, little is known about the potential long-term cooccurrence of complete-ammonia-oxidizing (i.e., comammox) bacteria and the potential metabolic synergies of nitrifying organisms with their heterotrophic counterparts that are capable of denitrification and nitrogen assimilation. This study leveraged data obtained for genome-resolved metagenomics over a time series to show that while nitrifying bacteria are dominant and likely to play a major role in nitrification, their cooccurrence with heterotrophic organisms suggests that nitric oxide production and nitrate reduction to ammonia may also occur in chloraminated drinking water systems.</jats:p> Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs mSphere |
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| title |
Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
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Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
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Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
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Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
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Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
| title_short |
Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
| title_sort |
microbial nitrogen metabolism in chloraminated drinking water reservoirs |
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Molecular Biology Microbiology |
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http://dx.doi.org/10.1128/msphere.00274-20 |
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2020 |
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<jats:p>Chloramines are often used as a secondary disinfectant when free chlorine residuals are difficult to maintain. However, chloramination is often associated with the undesirable effect of nitrification, which results in operational problems for many drinking water utilities. The introduction of ammonia during chloramination provides a potential source of nitrogen either through the addition of excess ammonia or through chloramine decay. This promotes the growth of nitrifying microorganisms and provides a nitrogen source (i.e., nitrate) for the growth for other organisms. While the roles of canonical ammonia-oxidizing and nitrite-oxidizing bacteria in chloraminated drinking water systems have been extensively investigated, those studies have largely adopted a targeted gene-centered approach. Further, little is known about the potential long-term cooccurrence of complete-ammonia-oxidizing (i.e., comammox) bacteria and the potential metabolic synergies of nitrifying organisms with their heterotrophic counterparts that are capable of denitrification and nitrogen assimilation. This study leveraged data obtained for genome-resolved metagenomics over a time series to show that while nitrifying bacteria are dominant and likely to play a major role in nitrification, their cooccurrence with heterotrophic organisms suggests that nitric oxide production and nitrate reduction to ammonia may also occur in chloraminated drinking water systems.</jats:p> |
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| author | Potgieter, Sarah C., Dai, Zihan, Venter, Stephanus N., Sigudu, Makhosazana, Pinto, Ameet J. |
| author_facet | Potgieter, Sarah C., Dai, Zihan, Venter, Stephanus N., Sigudu, Makhosazana, Pinto, Ameet J., Potgieter, Sarah C., Dai, Zihan, Venter, Stephanus N., Sigudu, Makhosazana, Pinto, Ameet J. |
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| description | <jats:p>Chloramines are often used as a secondary disinfectant when free chlorine residuals are difficult to maintain. However, chloramination is often associated with the undesirable effect of nitrification, which results in operational problems for many drinking water utilities. The introduction of ammonia during chloramination provides a potential source of nitrogen either through the addition of excess ammonia or through chloramine decay. This promotes the growth of nitrifying microorganisms and provides a nitrogen source (i.e., nitrate) for the growth for other organisms. While the roles of canonical ammonia-oxidizing and nitrite-oxidizing bacteria in chloraminated drinking water systems have been extensively investigated, those studies have largely adopted a targeted gene-centered approach. Further, little is known about the potential long-term cooccurrence of complete-ammonia-oxidizing (i.e., comammox) bacteria and the potential metabolic synergies of nitrifying organisms with their heterotrophic counterparts that are capable of denitrification and nitrogen assimilation. This study leveraged data obtained for genome-resolved metagenomics over a time series to show that while nitrifying bacteria are dominant and likely to play a major role in nitrification, their cooccurrence with heterotrophic organisms suggests that nitric oxide production and nitrate reduction to ammonia may also occur in chloraminated drinking water systems.</jats:p> |
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| spelling | Potgieter, Sarah C. Dai, Zihan Venter, Stephanus N. Sigudu, Makhosazana Pinto, Ameet J. 2379-5042 American Society for Microbiology Molecular Biology Microbiology http://dx.doi.org/10.1128/msphere.00274-20 <jats:p>Chloramines are often used as a secondary disinfectant when free chlorine residuals are difficult to maintain. However, chloramination is often associated with the undesirable effect of nitrification, which results in operational problems for many drinking water utilities. The introduction of ammonia during chloramination provides a potential source of nitrogen either through the addition of excess ammonia or through chloramine decay. This promotes the growth of nitrifying microorganisms and provides a nitrogen source (i.e., nitrate) for the growth for other organisms. While the roles of canonical ammonia-oxidizing and nitrite-oxidizing bacteria in chloraminated drinking water systems have been extensively investigated, those studies have largely adopted a targeted gene-centered approach. Further, little is known about the potential long-term cooccurrence of complete-ammonia-oxidizing (i.e., comammox) bacteria and the potential metabolic synergies of nitrifying organisms with their heterotrophic counterparts that are capable of denitrification and nitrogen assimilation. This study leveraged data obtained for genome-resolved metagenomics over a time series to show that while nitrifying bacteria are dominant and likely to play a major role in nitrification, their cooccurrence with heterotrophic organisms suggests that nitric oxide production and nitrate reduction to ammonia may also occur in chloraminated drinking water systems.</jats:p> Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs mSphere |
| spellingShingle | Potgieter, Sarah C., Dai, Zihan, Venter, Stephanus N., Sigudu, Makhosazana, Pinto, Ameet J., mSphere, Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs, Molecular Biology, Microbiology |
| title | Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
| title_full | Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
| title_fullStr | Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
| title_full_unstemmed | Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
| title_short | Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
| title_sort | microbial nitrogen metabolism in chloraminated drinking water reservoirs |
| title_unstemmed | Microbial Nitrogen Metabolism in Chloraminated Drinking Water Reservoirs |
| topic | Molecular Biology, Microbiology |
| url | http://dx.doi.org/10.1128/msphere.00274-20 |