Responses of marine unicellular algae to brominated organic compounds in six growth media

Marine unicellular algae, Skeletonema costatum, Thalassiosira pseudonana, and Chlorella sp. were exposed to the industrial brominated compounds tetrabromobisphenol A, decabromobiphenyloxide (DBBO), hexabromocyclododecane (HBCD), pentabromomethylbenzene (PBMB), pentabromoethylbenzene (PBEB), and the...

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Bibliographic Details
Published in:Ecotoxicology and environmental safety 1987-12, Vol.14 (3), p.215-222
Main Authors: Walsh, Gerald E., Yoder, Mark J., McLaughlin, Leslie L., Lores, Emile M.
Format: Article
Language:English
Subjects:
ALGAE
ALGUE
AMBIENTE MARINO
Animal, plant and microbial ecology
Applied ecology
Biological and medical sciences
BROME
BROMINE
BROMO
Chlorella
CONTAMINACION DEL AGUA
CULTURE MEDIA
Ecotoxicology, biological effects of pollution
EQUIPEMENT ANTI-INCENDIE
EQUIPO DE COMBATIR INCENDIOS
Eukaryota - drug effects
Eukaryota - growth & development
FIRE FIGHTING EQUIPMENT
Fundamental and applied biological sciences. Psychology
GROWTH INHIBITORS
HERBICIDAS
HERBICIDE
HERBICIDES
Hydrocarbons, Brominated - toxicity
INHIBIDORES DEL CRECIMIENTO
Marine
Marine and brackish environment
MARINE ENVIRONMENT
MEDIO DE CULTIVO
MILIEU DE CULTURE
MILIEU MARIN
POLLUTION DE L'EAU
RETARDATEUR DE CROISSANCE
Seawater
Skeletonema costatum
SUBSTANCE TOXIQUE
SUBSTANCIAS TOXICAS
Thalassiosira pseudonana
TOXIC SUBSTANCES
Water Pollutants - toxicity
Water Pollutants, Chemical - toxicity
WATER POLLUTION
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Summary:Marine unicellular algae, Skeletonema costatum, Thalassiosira pseudonana, and Chlorella sp. were exposed to the industrial brominated compounds tetrabromobisphenol A, decabromobiphenyloxide (DBBO), hexabromocyclododecane (HBCD), pentabromomethylbenzene (PBMB), pentabromoethylbenzene (PBEB), and the herbicide bromoxynil (BROM), in six algal growth media. High concentrations of DBBO (1 mg liter −1, PBMB (1 mg liter −1), and PBEB (0.5 mg liter −1) reduced growth by less than 50%. EC 50s of the other compounds varied with growth medium, with high EC 50/low EC 50 ratios between 1.3 and 9.9. Lowest EC 50s, 9.3 to 12.0 μg liter −1, were obtained with S. costatum and HBCD. It is concluded that responses to toxicants in different media are the results of interactions among algae, growth medium, toxicant, and solvent carrier.
ISSN:0147-6513
1090-2414
DOI:10.1016/0147-6513(87)90064-9