Journal
HARMFUL ALGAE
Volume 9, Issue 6, Pages 620-635Publisher
ELSEVIER
DOI: 10.1016/j.hal.2010.05.002
Keywords
BMAA; Cyanobacteria; Florida; Harmful algal blooms; Neurodegenerative disease; Toxin
Categories
Funding
- Cove Point Foundation
- National Science Foundation [OCE0742285, OCE0432368]
- National Institute of Environmental Health Sciences [1 P50 ES12736]
- Institute for Ethnomedicine
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Recent studies demonstrate that most cyanobacteria produce the neurotoxin beta-N-methylamino-L-alanine (BMAA) and that it can biomagnify in at least one terrestrial food chain. BMAA has been implicated as a significant environmental risk in the development of neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, and Amyotrophic Lateral Sclerosis (ALS). We examined several blooms of cyanobacteria in South Florida, and the BMAA content of resident animals, including species used as human food. A wide range of BMAA concentrations were found, ranging from below assay detection limits to approximately 7000 mu g/g, a concentration associated with a potential long-term human health hazard. (c) 2010 Elsevier B.V. All rights reserved.
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