A diverse uncultivated microbial community is responsible for organic matter degradation in the Black Sea sulphidic zone.

ABSTRACT: Organic matter degradation in marine environments is essential for the recycling of nutrients, especially under conditions of anoxia where organic matter tends to accumulate. However, little is known about the diversity of the microbial communities responsible for the mineralization of organic matter in the absence of oxygen, as well as the factors controlling their activities. Here, we determined the active heterotrophic prokaryotic community in the sulphidic water column of the Black Sea, an ideal model system, where a tight coupling between carbon, nitrogen and sulphur cycles is expected. Active microorganisms degrading both dissolved organic matter (DOM) and protein extracts were determined using quantitative DNA stable isotope probing incubation experiments. These results were compare

SUBMITTER: Suominen S 

PROVIDER: S-EPMC8359207 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature