Molluscan shell proteins
This article provides an overview of the most recent molecular data on the proteins of mollusc shells.
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Interactive effects of elevated temperature and CO2 levels on metabolism and oxidative stress in two common marine bivalves (Crassostrea virginica and Mercenaria mercenaria)
Hard shell clams and eastern oysters exposed to moderate warming and ocean acidification conditions showed no sign of persistent oxidative stress. This indicates that long-term exposure to moderately elevated CO2 and temperature minimally affects the cellular redox status in these bivalve species and that the earlier observed negative physiological effects ...
CO2-induced acidification affects hatching success in Calanus finmarchicus
Exposure to extreme ocean acidification conditions (pH 6.95) did not affect growth of adult female copepods. However, only 4 percent of their eggs successfully yielded larvae.
End of century ocean warming and acidification effects on reproductive success in a temperate marine copepod
Viability of copepod eggs and larvae was not affected by exposure to ocean acidification conditions. In contrast, warming by 2 or 4°C increased the viability of some eggs. (Laboratory study)
Effects of elevated CO2 on the reproduction of two calanoid copepods
Egg production and hatching success of two copepod species was not affected by ocean acidification conditions during short-term incubations. (Laboratory study)
Effects of ocean acidification and elevated temperature on shell plasticity and its energetic basis in an intertidal gastropod.
Common periwinkles had lower shell growth rates and less increase in shell thickness when grown in ocean acidification conditions, warmer temperatures, or both. Shells were also less pointed and more rounded. Those changes in shell growth appeared to result from disruption of the periwinkle's metabolism. (Laboratory studied)
Food supply and seawater pCO2 impact calcification and internal shell dissolution in the blue mussel Mytilus edulis
Blue mussels from the Baltic Sea grew less when raised for seven weeks under ocean acidification conditions and with limited food algae. Corrosion of the internal shell surface occurred at a range of ocean acidification levels when food supply was low. When food supply was high, corrosion occurred only in ...
Swimming performance in Atlantic Cod (Gadus morhua) following long-term (4–12 months) acclimation to elevated seawater pCO2
Swimming performance of Atlantic cod was not impaired after they had lived under ocean acidification conditions for 4 or 12 months. They did not have different metabolic rates, critical swimming speeds, or aerobic scope compared to those that lived in non-acidified seawater. (Laboratory study)
Future oceanic warming and acidification alter immune response and disease status in a commercial shellfish species, Mytilus edulis L.
Ocean acidification and/or warmer temperatures may affect immune response, parasite abundance and diversity, and bacterial infection of blue mussels. (Laboratory study)
Reduced calcification of marine plankton in response to increased atmospheric CO2
Two dominant marine calcifying phytoplankton species, the coccolithophorids Emiliania huxleyi and Gephyrocapsa oceanica, produced less calcite under ocean acidification conditions. They also had more deformities and higher rates of incomplete development. The findings suggest that ocean acidification could slow down the production of calcium carbonate in the ocean. (Laboratory study) ...
