Articles | Volume 18, issue 7
https://doi.org/10.5194/bg-18-2301-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-18-2301-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
09 Apr 2021
Research article |
| 09 Apr 2021
| 09 Apr 2021
Spatial patterns of ectoenzymatic kinetics in relation to biogeochemical properties in the Mediterranean Sea and the concentration of the fluorogenic substrate used
France Van Wambeke
CORRESPONDING AUTHOR
Aix-Marseille Université, CNRS/INSU, Université de Toulon,
IRD, Mediterranean Institute of Oceanography (MIO) UM110, 13288, Marseille,
France
Elvira Pulido
Aix-Marseille Université, CNRS/INSU, Université de Toulon,
IRD, Mediterranean Institute of Oceanography (MIO) UM110, 13288, Marseille,
France
Philippe Catala
Sorbonne Universités, UPMC University Paris 6, Laboratoire
d'Océanographie Microbienne (LOMIC), Observatoire Océanologique,
66650, Banyuls/mer, France
Julie Dinasquet
Marine Biology Research Division, Scripps Institution of Oceanography,
UCSD, La Jolla, CA, USA
Sorbonne Universités, UPMC University Paris 6, Laboratoire
d'Océanographie Microbienne (LOMIC), Observatoire Océanologique,
66650, Banyuls/mer, France
Kahina Djaoudi
Aix-Marseille Université, CNRS/INSU, Université de Toulon,
IRD, Mediterranean Institute of Oceanography (MIO) UM110, 13288, Marseille,
France
Molecular and Cellular Biology, The University of Arizona, Tucson, AZ, USA
Anja Engel
GEOMAR, Helmholtz Centre for Ocean Research, Kiel, Germany
Marc Garel
Aix-Marseille Université, CNRS/INSU, Université de Toulon,
IRD, Mediterranean Institute of Oceanography (MIO) UM110, 13288, Marseille,
France
Sophie Guasco
Aix-Marseille Université, CNRS/INSU, Université de Toulon,
IRD, Mediterranean Institute of Oceanography (MIO) UM110, 13288, Marseille,
France
Barbara Marie
Sorbonne Universités, UPMC University Paris 6, Laboratoire
d'Océanographie Microbienne (LOMIC), Observatoire Océanologique,
66650, Banyuls/mer, France
Sandra Nunige
Aix-Marseille Université, CNRS/INSU, Université de Toulon,
IRD, Mediterranean Institute of Oceanography (MIO) UM110, 13288, Marseille,
France
Vincent Taillandier
CNRS, Sorbonne Universités, Laboratoire d'Océanographie de
Villefranche (LOV), UMR7093, 06230 Villefranche-sur-Mer, France
Birthe Zäncker
CNRS, Sorbonne Universités, Laboratoire d'Océanographie de
Villefranche (LOV), UMR7093, 06230 Villefranche-sur-Mer, France
The Marine Biological Association of the UK, Plymouth, United Kingdom
Christian Tamburini
Aix-Marseille Université, CNRS/INSU, Université de Toulon,
IRD, Mediterranean Institute of Oceanography (MIO) UM110, 13288, Marseille,
France
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6 citations as recorded by crossref.
- Kinetic modulation of bacterial hydrolases by microbial community structure in coastal waters N. Abad et al. 10.1111/1462-2920.16297
- Impact of dust addition on Mediterranean plankton communities under present and future conditions of pH and temperature: an experimental overview F. Gazeau et al. 10.5194/bg-18-5011-2021
- Impact of dust addition on the metabolism of Mediterranean plankton communities and carbon export under present and future conditions of pH and temperature F. Gazeau et al. 10.5194/bg-18-5423-2021
- Phosphorus cycling in the upper waters of the Mediterranean Sea (PEACETIME cruise): relative contribution of external and internal sources E. Pulido-Villena et al. 10.5194/bg-18-5871-2021
- Influence of atmospheric deposition on biogeochemical cycles in an oligotrophic ocean system F. Van Wambeke et al. 10.5194/bg-18-5699-2021
- Wet deposition in the remote western and central Mediterranean as a source of trace metals to surface seawater K. Desboeufs et al. 10.5194/acp-22-2309-2022
3 citations as recorded by crossref.
- Deep maxima of phytoplankton biomass, primary production and bacterial production in the Mediterranean Sea E. Marañón et al. 10.5194/bg-18-1749-2021
- Potential bioavailability of organic matter from atmospheric particles to marine heterotrophic bacteria K. Djaoudi et al. 10.5194/bg-17-6271-2020
- Introduction: Process studies at the air–sea interface after atmospheric deposition in the Mediterranean Sea – objectives and strategy of the PEACETIME oceanographic campaign (May–June 2017) C. Guieu et al. 10.5194/bg-17-5563-2020
Latest update: 17 Nov 2024
Short summary
Michaelis–Menten kinetics were determined for alkaline phosphatase, aminopeptidase and β-glucosidase in the Mediterranean Sea. Although the ectoenzymatic-hydrolysis contribution to heterotrophic prokaryotic needs was high in terms of N, it was low in terms of C. This study points out the biases in interpretation of the relative differences in activities among the three tested enzymes in regard to the choice of added concentrations of fluorogenic substrates.
Michaelis–Menten kinetics were determined for alkaline phosphatase, aminopeptidase and...
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