What does the alexandrium Catenella do?
What does the alexandrium Catenella do?
Alexandrium catenella is a species of dinoflagellates. It is among the group of Alexandrium species that produce toxins that cause paralytic shellfish poisoning, and is a cause of red tide.
What is the scientific name of Alexandrium Catenella?
Alexandrium catenella
Alexandrium catenella/Scientific names
What eats alexandrium Catenella?
Mussels, clams and oysters feed on these dinoflagellates or red algae with which they may be associated and thus become toxic. The carnivorous fish that feed on these organisms will also become toxic.
Does alexandrium Catenella cause disease?
Alexandrium catenella, a cyst-forming dinoflagellate that causes paralytic shellfish poisoning worldwide, has been a significant threat to human health in southeastern Alaska for centuries.
What does alexandrium Fundyense need to grow?
fundyense rely on nitrogen and phosphate nutrients to grow (13).
What causes Alexandrium blooms?
Alexandrium blooms occur seasonally and are influenced by a multitude of abiotic conditions from temperature, salinity, nutrient availability and even weather patterns. They also are impacted by biological factors including predation, infection from viruses, bacteria, parasites or cell encystment.
What toxins does alexandrium produce?
The dinoflagellate alga Alexandrium fundyense produces a suite of potent neurotoxins (saxitoxin and its derivatives) resulting in Paralytic Shellfish Poisoning (PSP). PSP is known to impair physiological functions in bivalve molluscs and copepods.
What toxins does Alexandrium produce?
Where does Karenia brevis come from?
Karenia brevis is a microscopic, single-celled, photosynthetic organism in the genus Karenia. It is a marine dinoflagellate commonly found in the waters of the Gulf of Mexico.
What does Karenia brevis need to grow?
brevis, like all algae, requires three things to grow and survive: Optimal light. Temperature. Nutrients, specifically nitrogen and phosphorus.