Geochemical and quinone biomarker concentrations in the Black Sea water column and sediments, supplement to: Becker, Kevin W; Elling, Felix J; Schröder, Jan Martin; Lipp, Julius S; Goldhammer, Tobias; Zabel, Matthias; Elvert, Marcus; Overmann, Jörg; Hinrichs, Kai-Uwe (2018): Isoprenoid quinones resolve the stratification of redox processes in a biogeochemical continuum from the photic zone to deep anoxic sediments of the Black Sea. Applied and Environmental Microbiology, 84(10)

Kevin W Becker, Felix J Elling, Jan Martin Schröder, Julius S Lipp, Tobias Goldhammer, Matthias Zabel, Marcus Elvert, Jörg Overmann & Kai-Uwe Hinrichs
The stratified water column of the Black Sea serves as a model ecosystem for studying the interactions of microorganisms with major biogeochemical cycles. Here, we provide detailed analysis of isoprenoid quinones to study microbial redox processes in the ocean. In a continuum from the photic zone through the chemocline into deep anoxic sediments of the southern Black Sea, diagnostic quinones and inorganic geochemical parameters indicate niche segregation between redox processes and corresponding shifts in microbial...
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