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Mammitzsch, Kerstin; Jost, Günter; Jürgens, Klaus (2015): Impact of dissolved inorganic carbon concentrations and pH on growth of the chemolithoautotrophic epsilonproteobacterium GD1 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.841958, Supplement to: Mammitzsch, K et al. (2014): Impact of dissolved inorganic carbon concentrations and pH on growth of the chemolithoautotrophic epsilonproteobacterium Sulfurimonas gotlandica GD1 _T. Microbiology Open, 3(1), 80-88, https://doi.org/10.1002/mbo3.153

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Abstract:
Epsilonproteobacteria have been found globally distributed in marine anoxic/sulfidic areas mediating relevant transformations within the sulfur and nitrogen cycles. In the Baltic Sea redox zones, chemoautotrophic epsilonproteobacteria mainly belong to the Sulfurimonas gotlandica GD17 cluster for which recently a representative strain, S. gotlandica GD1T, could be established as a model organism. In this study, the potential effects of changes in dissolved inorganic carbon (DIC) and pH on S. gotlandica GD1T were examined. Bacterial cell abundance within a broad range of DIC concentrations and pH values were monitored and substrate utilization was determined. The results showed that the DIC saturation concentration for achieving maximal cell numbers was already reached at 800 µmol/l, which is well below in situ DIC levels. The pH optimum was between 6.6 and 8.0. Within a pH range of 6.6-7.1 there was no significant difference in substrate utilization; however, at lower pH values maximum cell abundance decreased sharply and cell-specific substrate consumption increased.
Project(s):
Biological Impacts of Ocean Acidification (BIOACID)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets

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Datasets listed in this publication series

  1. Mammitzsch, K (2015): Impact of dissolved inorganic carbon concentrations on growth of the chemolithoautotrophic epsilonproteobacterium GD1. https://doi.org/10.1594/PANGAEA.841940
  2. Mammitzsch, K (2015): Impact of pH on growth of the chemolithoautotrophic epsilonproteobacterium GD1. https://doi.org/10.1594/PANGAEA.841941
  3. Mammitzsch, K (2015): Experiment: Anaerobic chemoautotrophic growth of the chemolithoautotrophic epsilonproteobacterium GD1. https://doi.org/10.1594/PANGAEA.841957