Description: Organisms in intertidal zones experience fluctuations in environmental stressors such as hypoxia and temperature. These stressors and their fluctuations often appear in combination. Combination of stressors can have different effects compared to single stressors. In this study, we investigate the physiological effects of intermittent hypoxia in combination with different temperature regimes on the Pacific Oyster Crassostrea (Magallana) gigas. The oysters were exposed to hypoxic cycles (12h hypoxia by emersion/12h submersion) at normal (15°C), elevated (30°C) or fluctuating (15°C submersion/30°C emersion) temperature for 10 days. After the last submersion phase, the gills and digestive gland were sampled. We measured markers for bioenergetics and redox-balance in the gills and digestive gland using colorimetric methods as well as a set of metabolites (predominantly amino acids, osmolytes, anaerobic end products and energetic metabolites) in the gills using LC-MS/MS. Oysters kept submerged for up to 10 days were used as controls.
Global identifier:
Doi(
"10.1594/PANGAEA.980734",
)
DataMeasurements(
DataMeasurements {
domain: Unspecified,
station: None,
measured_variables: [
"Aconitate, per fresh mass",
"Adenosine monophosphate, per fresh mass",
"Alanine, per fresh mass",
"Antioxidant capacity, in Trolox Equivalents, per fresh mass",
"Arginine, per fresh mass",
"Asparagine, per fresh mass",
"Aspartate, per fresh mass",
"Carbohydrates, per fresh mass",
"Carnitine, per fresh mass",
"Citrate, per fresh mass",
"Citrulline, per fresh mass",
"Cystine, per fresh mass",
"Date/time end, experiment",
"Electron transport system activity of oyxgen",
"Experiment",
"Experiment duration",
"Experimental treatment",
"Glutamate, per fresh mass",
"Glutamine, per fresh mass",
"Glutathione, per fresh mass",
"Glycine, per fresh mass",
"Histidine, per fresh mass",
"Hydroxyproline, per fresh mass",
"Isoleucine, per fresh mass",
"Laboratory",
"Lactate, per fresh mass",
"Length",
"Leucine, per fresh mass",
"Lipid peroxidation, per fresh mass",
"Lysine, per fresh mass",
"Malate, per fresh mass",
"Mass",
"Methionine sulfoxide, per fresh mass",
"Methionine, per fresh mass",
"Origin",
"Ornithine, per fresh mass",
"Phenylalanine, per fresh mass",
"Proline, per fresh mass",
"Protein carbonyl, per protein mass",
"Proteins per fresh mass",
"Sample ID",
"Sampling date/time, experiment",
"Serine, per fresh mass",
"Species, unique identification",
"Specimen identification",
"Succinate, per fresh mass",
"Tank number",
"Taurine, per fresh mass",
"Threonine, per fresh mass",
"Tissue type",
"Treatment: air exposure",
"Treatment: salinity",
"Treatment: temperature",
"Tryptophan, per fresh mass",
"Type of study",
"Tyrosine, per fresh mass",
"Valine, per fresh mass",
"Width",
"gamma-Aminobutyric acid, per fresh mass",
],
methods: [
"Caliper",
"High Performance Liquid Chromatograph Triple Quadrupole Mass Spectrometer (LC-MS/MS), Shimadzu, LCMS-8050",
"Multi-user microplate reader, Molecular devices, SpectraMax iD3",
],
},
)
Origins: /Wissenschaft/PANGAEA
Tags: Auster ? Ökophysiologie ? Kohlenhydrat ? Sauerstoff ? Gezeitenzone ? Wattenmeer ? Invasive Arten ? Lufttemperatur ? Temperatur ? Salzgehalt ? Daten ? Studie ? Laborversuch ? Stoffwechsel ? Verkehrssystem ? Magallana gigas ? bioenergetics ? crassotrea gigas ? energy reserves ? fluctuation ? hypoxia ? intertidal ? metabolome ? metabolomics ? oxidaitive stress ? oxidative damage ? tidal cycle ?
Region: Königshafen
Bounding boxes: 8.43697° .. 8.43697° x 55.02906° .. 55.02906° 8.41589° .. 8.41589° x 55.04137° .. 55.04137°
License: cc-by/4.0
Language: Englisch/English
Issued: 2025-04-09
Modified: 2025-04-10
Time ranges: 2020-06-17 - 2020-06-17
Accessed 1 times.