Sensitivity of bacterioplankton nitrogen metabolism to eutrophication in sub-tropical coastal waters of Key West, Florida

Expression of intracellular ammonium assimilation enzymes were used to assess the response of nitrogen (N) metabolism in bacterioplankton to N-loading of sub-tropical coastal waters of Key West, Florida. Specific activities of glutamine synthetase (GS) and total glutamate dehydrogenase (GDH T) were...

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Bibliographic Details
Published in:Marine pollution bulletin 2008-05, Vol.56 (5), p.913-926
Main Authors: Hoch, Matthew. P., Dillon, Kevin S., Coffin, Richard B., Cifuentes, Luis A.
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Applied ecology
Bacteria - metabolism
Bacterioplankton
Biological and medical sciences
Chlorophyll - metabolism
Ecotoxicology, biological effects of pollution
Eutrophication
Florida
Florida Keys
Fundamental and applied biological sciences. Psychology
Glutamate Dehydrogenase - metabolism
Glutamate-Ammonia Ligase - metabolism
Glutamine synthetase
Marine and brackish environment
Nitrates - metabolism
Nitrites - metabolism
Nitrogen
Nitrogen - metabolism
Phytoplankton - metabolism
Quaternary Ammonium Compounds - metabolism
Salinity
Sea water ecosystems
Seasons
Seawater - microbiology
Synecology
Temperature
Water Pollutants, Chemical - metabolism
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Summary:Expression of intracellular ammonium assimilation enzymes were used to assess the response of nitrogen (N) metabolism in bacterioplankton to N-loading of sub-tropical coastal waters of Key West, Florida. Specific activities of glutamine synthetase (GS) and total glutamate dehydrogenase (GDH T) were measured on the bacterial size fraction (
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2008.01.030