Influence of selected environmental factors on the abundance of aerobic anoxygenic phototrophs in peat-bog lakes
Aerobic anoxygenic phototrophs (AAPs) are photoheterotrophic prokaryotes that are widespread in many limnic and marine environments. So far, little is known about their distribution in peat-bog lakes. Seventeen peat-bog lakes were sampled during three summer seasons 2009, 2011, and 2012, and the ver...
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| Format: | Online |
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Springer Berlin Heidelberg
2016
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| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4943989/ |
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pubmed-49439892016-07-26 Influence of selected environmental factors on the abundance of aerobic anoxygenic phototrophs in peat-bog lakes Lew, Sylwia Lew, Marcin Koblížek, Michal Research Article Aerobic anoxygenic phototrophs (AAPs) are photoheterotrophic prokaryotes that are widespread in many limnic and marine environments. So far, little is known about their distribution in peat-bog lakes. Seventeen peat-bog lakes were sampled during three summer seasons 2009, 2011, and 2012, and the vertical distribution of AAPs was determined by infrared epifluorescence microscopy. The analysis demonstrated that in the surface layers of the studied lakes, AAP abundance ranged from 0.3 to 12.04 × 105 cells mL−1, which represents <1 to 18.3 % of the total bacteria. The vertical distribution of AAPs confirmed their presence in the upper parts of the water column with minimum numbers in the anoxic bottom waters. We have shown that the AAP abundance was significantly positively correlated with the water pH, and the highest proportion of photoheterotrophs was found in peat-bog lakes with a pH between 6.7 and 7.6. Our results demonstrated an influence of water acidity on the abundance of AAPs, which may reflect a fundamental difference in the microbial composition between acidic and pH neutral peat-bog lakes. Springer Berlin Heidelberg 2016-04-01 2016 /pmc/articles/PMC4943989/ /pubmed/27032635 http://dx.doi.org/10.1007/s11356-016-6521-8 Text en © The Author(s) 2016 Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. |
| repository_type |
Open Access Journal |
| institution_category |
Foreign Institution |
| institution |
US National Center for Biotechnology Information |
| building |
NCBI PubMed |
| collection |
Online Access |
| language |
English |
| format |
Online |
| author |
Lew, Sylwia Lew, Marcin Koblížek, Michal |
| spellingShingle |
Lew, Sylwia Lew, Marcin Koblížek, Michal Influence of selected environmental factors on the abundance of aerobic anoxygenic phototrophs in peat-bog lakes |
| author_facet |
Lew, Sylwia Lew, Marcin Koblížek, Michal |
| author_sort |
Lew, Sylwia |
| title |
Influence of selected environmental factors on the abundance of aerobic anoxygenic phototrophs in peat-bog lakes |
| title_short |
Influence of selected environmental factors on the abundance of aerobic anoxygenic phototrophs in peat-bog lakes |
| title_full |
Influence of selected environmental factors on the abundance of aerobic anoxygenic phototrophs in peat-bog lakes |
| title_fullStr |
Influence of selected environmental factors on the abundance of aerobic anoxygenic phototrophs in peat-bog lakes |
| title_full_unstemmed |
Influence of selected environmental factors on the abundance of aerobic anoxygenic phototrophs in peat-bog lakes |
| title_sort |
influence of selected environmental factors on the abundance of aerobic anoxygenic phototrophs in peat-bog lakes |
| description |
Aerobic anoxygenic phototrophs (AAPs) are photoheterotrophic prokaryotes that are widespread in many limnic and marine environments. So far, little is known about their distribution in peat-bog lakes. Seventeen peat-bog lakes were sampled during three summer seasons 2009, 2011, and 2012, and the vertical distribution of AAPs was determined by infrared epifluorescence microscopy. The analysis demonstrated that in the surface layers of the studied lakes, AAP abundance ranged from 0.3 to 12.04 × 105 cells mL−1, which represents <1 to 18.3 % of the total bacteria. The vertical distribution of AAPs confirmed their presence in the upper parts of the water column with minimum numbers in the anoxic bottom waters. We have shown that the AAP abundance was significantly positively correlated with the water pH, and the highest proportion of photoheterotrophs was found in peat-bog lakes with a pH between 6.7 and 7.6. Our results demonstrated an influence of water acidity on the abundance of AAPs, which may reflect a fundamental difference in the microbial composition between acidic and pH neutral peat-bog lakes. |
| publisher |
Springer Berlin Heidelberg |
| publishDate |
2016 |
| url |
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4943989/ |
| _version_ |
1613608905535913984 |