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Het OWA, het open archief van het Waterbouwkundig Laboratorium heeft tot doel alle vrij toegankelijke onderzoeksresultaten van dit instituut in digitale vorm aan te bieden. Op die manier wil het de zichtbaarheid, verspreiding en gebruik van deze onderzoeksresultaten, alsook de wetenschappelijke communicatie maximaal bevorderen.

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Energy metabolism and cellular homeostasis trade-offs provide the basis for a new type of sensitivity to ocean acidification in a marine polychaete at a high-CO2 vent: adenylate and phosphagen energy pools versus carbonic anhydrase Turner, L.M.; Ricevuto, E.; Massa-Gallucci, A.; Gambi, M.C.; Calosi, P. (2015). Energy metabolism and cellular homeostasis trade-offs provide the basis for a new type of sensitivity to ocean acidification in a marine polychaete at a high-CO2 vent: adenylate and phosphagen energy pools versus carbonic anhydrase. J. Exp. Biol. 218(14): 2148-2151. https://dx.doi.org/10.1242/jeb.117705 In: The Journal of Experimental Biology. Cambridge University Press: London. ISSN 0022-0949; e-ISSN 1477-9145, meer

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Beschikbaar in	Auteurs
VLIZ: Open access 307005 [ download pdf ]

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Trefwoorden

Climate Change > Climate Change General Environmental Managers & Monitoring Marine Sciences Marine Sciences > Marine Sciences General Scientific Community Scientific Publication Marien/Kust

Author keywords

Individual approach; P-CO2; Climate change; Homeostatic capacity;Annelid; Mediterranean Sea

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Project	Top | Auteurs
Association of European marine biological laboratories, meer

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Auteurs		Top
Turner, L.M. Ricevuto, E. Massa-Gallucci, A.	Gambi, M.C., meer Calosi, P.

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Abstract

Species distributions and ecology can often be explained by their physiological sensitivity to environmental conditions. Whilst we have a relatively good understanding of how these are shaped by temperature, for other emerging drivers, such as PCO2 we know relatively little. The marine polychaete Sabella spallanzanii increases its metabolic rate when exposed to high PCO2 conditions and remains absent from the CO2 vent of Ischia. To understand new possible pathways of sensitivity to CO2 in marine ectotherms, we examined the metabolic plasticity of S. spallanzanii exposed in situ to elevated PCO2 by measuring fundamental metabolite and carbonic anhydrase concentrations. We show that whilst this species can survive elevated PCO2 conditions in the short term, and exhibits an increase in energy metabolism, this is accompanied by a significant decrease in carbonic anhydrase concentration. These homeostatic changes are unlikely to be sustainable in the longer term, indicating S. spallanzanii may struggle with future high PCO2 conditions.

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