title: Evaluation of natural products for algicidal properties.
abstract: A procedure for the screening of antialgal substances has been described and evaluated with specific reference to microbial products. Data on the extracellular materials of 545 actinomycete and fungal isolates showed a wide distribution of agents having algicidal activities. Of these culture filtrates, 20.4% apparently had selective antagonistic effects against particular algal groups. A more comprehensive examination revealed that metabolic products from two actinomycete cultures exhibited properties that warrant further studies on their chemical and physiological characteristics.
mesh_terms: D039903:Actinobacteria / Q000737:chemistry*; D000190:Actinomyces; D001688:Biological Products; D056890:Eukaryota / Q000494:pharmacology*; D005658:Fungi / Q000737:chemistry*; D010944:Plants
chemical_list: D001688:Biological Products
keywords: ACTINOMYCETES/chemistry; ALGAE/pharmacology; FUNGI/chemistry