Microbial Response to Experimentally Controlled Redox Transitions at the Sediment Water Interface

• Published in: PloS one Vol. 10; no. 11; p. e0143428
• Main Authors: Frindte, Katharina, Allgaier, Martin, Grossart, Hans-Peter, Eckert, Werner
• Format: Journal Article
• Language: English
• Published: United States Public Library of Science 24.11.2015; Public Library of Science (PLoS)
• Subjects: Anaerobic conditions; Anaerobic microorganisms; Anaerobiosis; Analysis; Bacteria; Bacteria - metabolism; Biodegradation, Environmental; Biological activity; Cluster Analysis; Denaturing Gradient Gel Electrophoresis; Dissolved oxygen; DNA, Complementary - chemistry; Environmental aspects; Environmental Monitoring - methods; Fisheries; Fresh water; Fresh Water - chemistry; Fresh Water - microbiology; Freshwater ecology; Freshwater lakes; Gene expression; Genes; Geobiology; Geologic Sediments - chemistry; Geologic Sediments - microbiology; Germany; Lake sediments; Lakes; Measurement methods; Methane - chemistry; Methanogenesis; Microbial activity; Microbial Consortia; Microbial ecology; Microorganisms; Mud-water interfaces; Nitrates - chemistry; Nitric Oxide - chemistry; Oxidation; Oxidation-Reduction; Oxygen; Oxygen - chemistry; Phylogeny; Polymerase Chain Reaction; Potassium; Reduction; RNA - chemistry; RNA, Ribosomal, 16S - analysis; Sediments; Soil sciences; Sulfate reduction; Sulfates; Sulfides - chemistry; Water Microbiology; Germany; Lake Stechlin; Israel

The sediment-water interface of freshwater lakes is characterized by sharp chemical gradients, shaped by the interplay between physical, chemical and microbial processes. As dissolved oxygen is depleted in the uppermost sediment, the availability of alternative electron acceptors, e.g. nitrate and s...