Abstract
The marine phosphorus cycle
Highlights
This e-book begins with a number of papers detailing the production of dissolved organic phosphorus (DOP) in the upper water column
For DOP compounds characterized by a C-O-P bond, hydrolysis is catalyzed by a class of enzymes termed alkaline phosphatases
In related work in the oligotrophic North Pacific, where phosphorus is sparingly low, Björkman et al (2012) use a radioisotope approach to show that heterotrophic bacteria and the ubiquitous photoautotroph Prochlorococcus are equal competitors for phosphate whereas heterotrophic bacteria are much more effective at scavenging model DOP compounds
Summary
This e-book begins with a number of papers detailing the production of dissolved organic phosphorus (DOP) in the upper water column. To address this point, Ruttenberg and Dyhrman (2012) show that changes in the ambient inorganic nitrogen:phosphorus ratio may modulate the rate of DOP production in coastal upwelling regimes. For DOP compounds characterized by a C-O-P bond (esters), hydrolysis is catalyzed by a class of enzymes termed alkaline phosphatases.
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