English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/88427
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:

Away from darkness: A review on the effects of solar radiation on heterotrophic bacterioplankton activity

AutorRuiz-González, Clara ; Simó, Rafel ; Sommaruga, Rubén; Gasol, Josep M.
Palabras claveLight history
Bacterial heterotrophic activity
Bacterioplankton community composition
Aquatic ecosystems
Solar radiation
Fecha de publicaciónmay-2013
EditorFrontiers Media
CitaciónFrontiers in Microbiology 4: 131 (2013)
ResumenHeterotrophic bacterioplankton are main consumers of dissolved organic matter (OM) in aquatic ecosystems, including the sunlit upper layers of the ocean and freshwater bodies. Their well-known sensitivity to ultraviolet radiation (UVR), together with some recently discovered mechanisms bacteria have evolved to benefit from photosynthetically available radiation (PAR), suggest that natural sunlight plays a relevant, yet difficult to predict role in modulating bacterial biogeochemical functions in aquatic ecosystems. Three decades of experimental work assessing the effects of sunlight on natural bacterial heterotrophic activity reveal responses ranging from high stimulation to total inhibition. In this review, we compile the existing studies on the topic and discuss the potential causes underlying these contrasting results, with special emphasis on the largely overlooked influences of the community composition and the previous light exposure conditions, as well as the different temporal and spatial scales at which exposure to solar radiation fluctuates. These intricate sunlight-bacteria interactions have implications for our understanding of carbon fluxes in aquatic systems, yet further research is necessary before we can accurately evaluate or predict the consequences of increasing surface UVR levels associated with global change. © 2013 Ruiz-González, Simó, Sommaruga and Gasol
Descripción24 pages, 7 figures, 1 appendix
Versión del editorhttp://dx.doi.org/10.3389/fmicb.2013.00131
Identificadoresdoi: 10.3389/fmicb.2013.00131
issn: 1664-302X
Aparece en las colecciones: (ICM) Artículos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
Ruiz_et_al_2013.pdf4,07 MBAdobe PDFVista previa
Mostrar el registro completo

Artículos relacionados:

NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.