Microbial Cycling of Organic Compounds in Aquatic Environments
A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Environmental Microbiology".
Deadline for manuscript submissions: closed (31 July 2022) | Viewed by 4653
Special Issue Editors
Interests: biogeochemistry of volatile organic compounds (methanol, acetaldehyde, acetone, isoprene, DMS); controls on primary and bacterial productivity; C, N, P and S cycling in seawater
Special Issue Information
Dear Colleagues,
Dissolved organic compounds in aquatic systems represent one of Earth’s largest exchangeable reservoirs of carbon. This pool also contains a range of dissolved organic nutrients containing N, P and S compounds, which often can be quickly utilised by microbes. The sources, sinks and controls of these dissolved organic compounds remain, more often than not, poorly understood in aquatic environments. A subsection of the dissolved organic pool is often referred to as biogenic volatile organic compounds (BVOCs), which are those thought to be produced via biological mechanisms, often from phytoplankton in aquatic systems, e.g., DMS, isoprene, methanol, acetaldehyde. Some of these BVOCs (and others like acetone) are also oxygenated and referred to as oxygenated volatile organic compounds (OVOCs). Typically, methanol, acetaldehyde and acetone are considered the dominant ubiquitous species that comprise the total OVOC pool. These volatile species have high vapor pressures that facilitate transfer into the atmosphere where they are considered climate active. Hence it is critical to understand the controls on the production and consumption of these dissolved organic compounds in aquatic environments. The Special Issue will focus on the biological control and cycling of a range of dissolved organic compounds in freshwater, estuarine and marine environments.
Dr. Joanna L. Dixon
Guest Editor
Dr. Stephanie Sargeant
Co-Guest Editor
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Keywords
- dissolved organic carbon compounds
- microbial uptake
- carbon cycling
- sulfur cycling
- nitrogen cycling
- microbial assimilation
- microbial dissimilation
- aquatic environments (freshwater, estuarine and marine)
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