Microbial communities in carbonate rocks-from soil via groundwater to rocks.


Microbial communities in soil, groundwater, and rock of two sites in limestone were investigated to determine community parameters differentiating habitats in two lithostratigraphic untis. Lower Muschelkalk and Middle Muschelkalk associated soils, groundwater, and rock samples showed different, but overlapping microbial communities linked to carbon fluxes. The microbial diversities in soil were highest, groundwater revealed overlapping taxa but lower diversity, and rock samples were predominantly characterized by endospore forming bacteria and few archaea. Physiological profiles could establish a differentiation between habitats (soil, groundwater, rock). From community analyses and physiological profiles, different element cycles in limestone could be identified for the three habitats. While in soil, nitrogen cycling was identified as specific determinant, in rock methanogenesis linked carbonate rock to atmospheric methane cycles. These patterns specifically allowed for delineation of lithostratigraphic connections to physiological parameters.

SEEK ID: https://data.chembiosys.de/publications/74

PubMed ID: 28681946

Projects: C3

Publication type: Not specified

Journal: J Basic Microbiol

Citation: J Basic Microbiol. 2017 Sep;57(9):752-761. doi: 10.1002/jobm.201600643. Epub 2017 Jul 6.

Date Published: 7th Jul 2017

Registered Mode: Not specified

Authors: A. Meier, M. K. Singh, A. Kastner, D. Merten, G. Buchel, E. Kothe

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Views: 519

Created: 23rd Nov 2017 at 08:55

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