Virtual Posters
To submit your poster to the APECS Virtual Poster Session, simply fill out the form and upload your poster as a pdf (Maximum File Size is 3 MB) .
Note: If your poster has been presented at a conference, please include the conference information so we can properly acknowledge the original presentation of this work.
Please read the Terms of Submission before submitting your poster.
Virtual Posters
CLAMS AND CALCIUM PATHWAYS IN A CHANGING WORLD
Marine
UK Polar Network Workshop: High latitude biology, ecosystems and the future; A multidisciplinary approach.
2011
Since the start of the industrial revolution, atmospheric CO2 levels have risen from 280 to 381 ppm and ocean pH has fallen from an average 8.16 to 8.05 with a consequent reduction in the degree of saturation with respect to calcium carbonate. Current molecular knowledge of the effect of altered pH on marine invertebrates is limited, while data describing calcium pathways in non-model species are seriously lacking, especially for Antarctic organisms. Without an understanding of the molecular mechanisms that govern calcification, we cannot begin to understand the complex consequential effects for organisms with shells living in altered pH environments. A damage repair approach will be used to identify genes involved in the calcium pathways in the Antarctic clam Laternula elliptica and the temperate clam Mya arenaria, and to study the effects of life in altered pH environments on the immune system. A pilot study revealed that younger (smaller) clams showed a greater capacity to repair shell damage than older (larger) clams.
calcium, clams, Antarctica, pH, C02
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