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Title: Planktonic potential CO2 emission calculation: preliminary results by applying an adapted enzymatic methodology to marine ecosystems
Other Titles: Calculando la emisión potencial de CO2 de la comunidad planctónica: resultados preliminares de la aplicación de una metodología enzimática adaptada a los ecosistemas marinos
Authors: Tames-Espinosa, Mayte 
Martínez, Ico 
Packard, Theodore T 
Gómez, May 
UNESCO Clasification: 2510 Oceanografía
Keywords: Ecosistemas marinos
Issue Date: 2015
Abstract: Isocitrate Dehydrogenase (IDH) is a key enzyme in the Krebs cycle, being responsible for the production of one of the three CO2 molecules related to cellular respiration. In order to measure the potential CO2 production linked to the marine planktonic community we have adapted an enzymatic methodology. Preliminary results show that different proportions of autotrophs, heterotrophs and mixotrophs and their metabolic pathways, lead to different relationships between potential CO2 emission and potential O2 consumption during cellular respiration. Although more experiments need to be made, this methodology is leading to a better understanding of cellular respiration in marine samples and their impact on the food chain, vertical Carbon flux and the current sequestering capacity for anthropogenic CO2.
Source: Volumen de Comunicaciones presentadas en el VIII Simposio sobre el Margen Ibérico Atlántico. Ediciones Sia Graf, Málaga, p. 1-4.
Rights: by-nc-nd
Appears in Collections:Capítulo de libro
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