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Haider, Fouzia; Sokolov, Eugene; Timm, Stefan; Hagemann, Martin; Blanco-Rayon, Esther; Marigomez, Ionan; Izagirre, Urtzi; Sokolova, Inna M (2018): Effect of salinity and burial on protein metabolism and muscle capacity in the soft shell clam Mya arenaria [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.895673, Supplement to: Haider, F et al. (2019): Interactive effects of osmotic stress and burrowing activity on protein metabolism and muscle capacity in the soft shell clam Mya arenaria. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 228, 81-93, https://doi.org/10.1016/j.cbpa.2018.10.022

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Abstract:
Bioturbators such as sediment-dwelling marine bivalves are ecosystem engineers that enhance sediment-water exchange and benthic-pelagic coupling. In shallow coastal areas, bivalves are exposed to frequent disturbance and salinity stress that might negatively affect their activity and physiological performance; however, the mechanisms underlying these effects are not fully understood. We investigated the effects of osmotic stress (low and fluctuating salinity) and repeated burrowing on aerobic and contractile capacity of the foot muscle (assessed by the activity of succinate dehydrogenase and myosin ATPase) as well as the levels of organic osmolytes (free amino acids) and biochemical markers of protein synthesis and proteolysis in key osmoregulatory and energy storing tissues (gills and hepatopancreas, respectively) in a common bioturbator, the soft shell clam Mya arenaria. Our findings indicate that exhaustive exercise and osmotic stress interactively affect whole-body protein homeostasis and functional capacity of the foot muscle in soft shell clams which might contribute to reduced burrowing activity of bivalve bioturbators in osmotically challenging environments such as estuaries and shallow coastal zones.
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Creative Commons Attribution 4.0 International (CC-BY-4.0)
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4 datasets

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Datasets listed in this publication series

  1. Haider, F; Sokolov, E; Timm, S et al. (2018): Effect of salinity stress and burial on Lucine Amino Peptidase in Mya arenaria. https://doi.org/10.1594/PANGAEA.895669
  2. Haider, F; Sokolov, E; Timm, S et al. (2018): Effect of salinity and burial on metabolites in Mya arenaria. https://doi.org/10.1594/PANGAEA.895671
  3. Haider, F; Sokolov, E; Timm, S et al. (2018): Effect of salinity and burial on proteasomal activity in Mya arenaria. https://doi.org/10.1594/PANGAEA.895670
  4. Haider, F; Sokolov, E; Timm, S et al. (2018): Effect of salinity and burial on succinate dehydrogenase and adenosinetriphosphatase in Mya arenaria. https://doi.org/10.1594/PANGAEA.895672