Flow cytometric measurements of cellular responses in a toxic dinoflagellate, Alexandrium minutum upon exposure to thermal, chemical and mechanical stresses
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Flow cytometric assessment of morphology, viability, and production of reactive oxygen species of Crassostrea gigas oocytes. Application to toxic dinoflagellate (Alexandrium minutum) exposure.
The Pacific oyster Crassostrea gigas accounts for a large part of shellfish aquaculture production worldwide. Aspects of morphological and functional characteristics of oyster oocytes remain poorly documented, and traditional techniques, such as microscopic observations of shape or fertilization rate, are time and space consuming. The purpose of this study was to assess for the first time viabi...
متن کاملEffects of Alexandrium minutum exposure upon physiological and 1 hematological variables of diploid and triploid oysters , 2 Crassostrea gigas . 3 4
20 The effects of an artificial bloom of the toxin-producing dinoflagellate, Alexandrium 21 minutum, upon physiological parameters of the Pacific oyster, Crassostrea gigas, were 22 assessed. Diploid and triploid oysters were exposed to cultured A. minutum and compared to 23 control diploid and triploid oysters fed T.Isochrysis. Experiments were repeated twice, in 24 *Manuscript ha l-0 05 89 35 ...
متن کاملCellular and biochemical responses of the oyster Crassostrea gigas to controlled exposures to metals and Alexandrium minutum.
Effects of simultaneous exposure of Pacific oyster, Crassostrea gigas, to both a harmful dinoflagellate that produces Paralytic Shellfish Toxins (PST), Alexandrium minutum, and cadmium (Cd) and copper (Cu), were assessed. Oysters were exposed to a mix of Cd-Cu with two different diets (i.e. A. minutum or Tisochrysis lutea) and compared to control oysters fed A. minutum or T. lutea, respectively...
متن کاملShort-Term Behavioural Responses of the Great Scallop Pecten maximus Exposed to the Toxic Alga Alexandrium minutum Measured by Accelerometry and Passive Acoustics
Harmful algal blooms produced by toxic dinoflagellates have increased worldwide, impacting human health, the environment, and fisheries. Due to their potential sensitivity (e.g., environmental changes), bivalves through their valve movements can be monitored to detect harmful algal blooms. Methods that measure valve activity require bivalve-attached sensors and usually connected cables to data ...
متن کاملEffects of Alexandrium minutum exposure upon physiological and hematological variables of diploid and triploid oysters, Crassostrea gigas.
The effects of an artificial bloom of the toxin-producing dinoflagellate, Alexandrium minutum, upon physiological parameters of the Pacific oyster, Crassostrea gigas, were assessed. Diploid and triploid oysters were exposed to cultured A. minutum and compared to control diploid and triploid oysters fed T. Isochrysis. Experiments were repeated twice, in April and mid-May 2007, to investigate eff...
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تاریخ انتشار 2017