Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/19755
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Prokaryotic extracellular enzymatic activity in relation to biomass production and respiration in the meso- and bathypelagic waters of the (sub)tropical Atlantic |
Autor: | Baltar, Federico; Arístegui, Javier; Sintes, Eva; van Aken, Hendrik M.; Gasol, Josep M. CSIC ORCID ; Herndl, Gerhard J. | Fecha de publicación: | 27-mar-2009 | Editor: | Blackwell Publishing Society for Applied Microbiology |
Citación: | Environmental Microbiology 11(8): 1998-2014 (2009) | Resumen: | Prokaryotic extracellular enzymatic activity, abundance, heterotrophic production and respiration were determined in the meso- and bathypelagic (sub)tropical North Atlantic. While prokaryotic heterotrophic production (PHP) decreased from the lower euphotic layer to the bathypelagic waters by two orders of magnitude, prokaryotic abundance and cell-specific PHP decreased only by one order of magnitude. In contrast to cell-specific PHP, cell-specific extracellular enzymatic activity (alpha- and beta-glucosidase, leucine aminopeptidase, alkaline phosphatase) increased with depth as did cell-specific respiration rates. Cell-specific alkaline phosphatase activity increased from the intermediate water masses to the deep waters up to fivefold. Phosphate concentrations, however, varied only by a factor of two between the different water masses, indicating that phosphatase activity is not related to phosphate availability in the deep waters. Generally, cell-specific extracellular enzymatic activities were inversely related to cell-specific prokaryotic leucine incorporation. Thus, it is apparent that the utilization of deep ocean organic matter is linked to higher cell-specific extracellular enzymatic activity and respiration and lower cell-specific PHP than in surface waters | Descripción: | 17 pages, 9 figures | Versión del editor: | https://doi.org/10.1111/j.1462-2920.2009.01922.x | URI: | http://hdl.handle.net/10261/19755 | DOI: | 10.1111/j.1462-2920.2009.01922.x | ISSN: | 1462-2912 | E-ISSN: | 1462-2920 |
Aparece en las colecciones: | (ICM) Artículos |
Mostrar el registro completo
CORE Recommender
SCOPUSTM
Citations
100
checked on 06-abr-2024
WEB OF SCIENCETM
Citations
96
checked on 29-feb-2024
Page view(s)
371
checked on 19-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.