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1,088 results for “Bivalves”
Mitochondrial responses to long-term and cyclic hypoxia depend on the oxidized fuel in a hypoxia-tolerant marine bivalve Crassostrea gigas
<p>These are the metadata for a publication "Mitochondrial responses to long-term and cyclic hypoxia depend on the oxidized fuel in a hypoxia-tolerant marine bivalve <em>Crassostrea gigas"</em> under consideration for publication in the Scientific reports. Sessile benthic organisms like oysters inhabits intertidal zone transitioning between aquatic and terrestrial condition during tidal movements exposing the organisms to alternating hypoxia and reoxygenation (H/R) episodes thereby altering the respiratory chain activities and metabolome compositions. Our study investigated the effects of constant long-term H/R stress (90 min at ~0% O<sub>2, </sub>and 10 min reoxygenation) and constant cyclic H/R stress (5 cycles of 15 min at ~0% O<sub>2, </sub>and 10 min reoxygenation) on isolated mitochondria from the gill and the digestive gland of <em>C. gigas</em> respiring on different substrates (pyruvate, palmitate, and succinate). Both gill and the digestive gland mitochondria exposed to constant long-term H/R suppressed OXPHOS respiration especially during Complex I oxidation with no change in ROS efflux but an increase FEL. In the gill mitochondria oxidizing Complex I substrates, exposure to constant cyclic H/R prompted a significant drop after the first H/R cycle. In contrast, succinate-driven respiration only showed significant decline after the fifth H/R cycle. ROS efflux and FEL however saw little to no change after constant cyclic H/R. This observation from our study further suggests succinate as a potential stress fuel under H/R stress and might assist in post-hypoxic recovery of oysters mitigating oxidative stress and supporting rapid ATP re-synthesis during oxygen fluctuations such as commonly observed in intertidal zones. Additionally, our study revealed that constant long-term hypoxia is more damaging than constant cyclic hypoxia. </p>
Supplementary Data to: "Organic Phases in Bivalve (Arctica islandica) Shells: Their Bulk and Amino Acid Nitrogen Stable Isotope Compositions" in Geochemistry, Geophysics, Geosystems
<p>This dataset contains the data generated for publication "Organic Phases in Bivalve (<em>Arctica islandica</em>) Shells: Their Bulk and Amino Acid Nitrogen Stable Isotope Compositions", including the following files:</p> <p>Specimen_ID_shell_morphology_measurement: Description of locality of collection, shell ID, shell working ID and the shell morphology measurement which can be referred to Section 2.1 of the manuscript.</p> <p>EA_IRMS_raw_error_propagate: This file contains data showing the m/z 28 signal intensities of all measurements and the error propagation that mentioned in Section 2.3 of the manuscript. It also includes the calculation of analytical accuracy and precision. </p> <p>Statistics: The file contains the summary of statistical analyses performed in this manuscript. Refer to Section 2.7 and 3.3.</p> <p>Recovery: It contains the recovery of the total nitrogen contents or amino acid concentrations after different treatments and this was mentioned in Section 4.1 of the manucript.</p> <p>Mass_balance: The computation procedure that showed in Section 3.4 and discussed in Section 4.3 can be traced in this file.</p> <p>GC-C-IRMS_long_term_sd: The file shows the long-term precision of GC-C-IRMS computed from the mixed standard of amino acids </p> <p>BSIA_d15N: The file contains all the bulk d15N data that used in this manuscript.</p> <p>CSIA_d15N: The file contains all the amino acid d15N data that used in this manuscript.</p> <p>AA_Composition: The file shows AA percent data that used in this manuscript.</p> <p><br> For details see main text of the manuscript.</p> <p><br> </p>
Files for phylogenetics, structure, and migration rate analyses for the bivalve Aequiyoldia eightsii
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Data from: Physiological effects of interacting native and invasive bivalves under thermal stress
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Data from: Ecophenotypy, temporal and spatial fidelity, functional morphology, and physiological trade-offs among intertidal bivalves
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Data for: Deformable hard tissue with high fatigue resistance in the hinge of bivalve Cristaria plicata
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Bivalve facilitation mediates seagrass recovery from physical disturbance in a temperate estuary
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Data for: Taxonomy and paleobiogeography of rudist bivalves from Upper Cretaceous strata, Gulf Coastal Plain and Puerto Rico, USA
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Gene family amplification facilitates adaptation in freshwater Unionid bivalve Megalonaias nervosa
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Data from: Comparative transcriptomics revealed parallel evolution and innovation of photosymbiosis molecular mechanisms in a marine bivalve
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Data from: A new species of the Cambrian bivalved euarthropod Pectocaris with axially differentiated enditic armatures
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Mineralogy and organic content are major predictors of shell loss in bivalves under reduced salinity, ocean freshening conditions
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Drilling predation on Early Jurassic bivalves and behavioral patterns of the presumed gastropod predator — evidence from Pliensbachian soft bottom deposits of northern Germany
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Data for: Convergence and contingency in the evolution of a specialized mode of life: Multiple origins and high disparity of rock-boring bivalves
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Data from: Bivalves from the Changhsingian (Upper Permian) Bellerophon Formation of the Dolomites (Italy): ancestors of the Lower Triassic post extinction benthic communities
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Hard to get, easy to lose: Evolution of mantle photoreceptor organs in bivalves (Bivalvia, Pteriomorphia)
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Data from: Temporal trends in allometry of shell calcification in northeastern Pacific venerid bivalves: Implications for predicting responses to climate change
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Nucula specimen data used for: Testing the ‘Plus ça Change’ model: A comparison of Nuculid bivalve evolution across contrasting broad-scale climatic regimes
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High connectivity at abyssal depths: Genomic and proteomic insights into population structure of the pan-Atlantic deep-sea bivalve Ledella ultima (E. A. Smith, 1885)
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Bivalve mortality and burrowing behavior under compound stress of salinity and temperature: Data from a mesocosm experiment
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