Are control of extracellular acid-base balance and regulation of skeleton genes linked to resistance to ocean acidification in adult sea urchins?

• Arbacia lixula and Paracentrotus lividus were differently affected at low seawater pH exposure. • P. lividus skeleton integrity was not affected by low seawater pH. • Arbacia lixula exposed to low seawater pH near CO2 vent showed decreased skeletal integrity. • pH exposure leads to changes in biom...

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Bibliographic Details
Published in:Science of The Total Environment
Main Authors: Di Giglio S., Spatafora D., Milazzo M., M'Zoudi S., Zito F., Dubois P., Costa C.
Format: Article in Journal/Newspaper
Language:English
Published: Elsevier B.V. 2020
Subjects:
CO2 vents
DIC
Echinoderms
Gene expression
Mechanical properties
Ocean acidification
qPCR
Skeleton
Animals
Carbon Dioxide
Climate Change
Hydrogen-Ion Concentration
Oceans and Seas
Sea Urchins
Acid-Base Equilibrium
Seawater
Settore BIO/07 - Ecologia
Online Access:http://hdl.handle.net/10447/509497
https://doi.org/10.1016/j.scitotenv.2020.137443
Description
Summary:• Arbacia lixula and Paracentrotus lividus were differently affected at low seawater pH exposure. • P. lividus skeleton integrity was not affected by low seawater pH. • Arbacia lixula exposed to low seawater pH near CO2 vent showed decreased skeletal integrity. • pH exposure leads to changes in biomineralization-related genes expression. • Acid-base regulation capacity is linked with a better tolerance to low seawater pH.

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