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Toxicity of SO/sub 2/ and NO/sub x/: selective inhibition of blue-green algae by bisulfite and nitrite

Journal Article · · J. Air Pollut. Control Assoc.; (United States)
; ;
Microorganisms were exposed to bisulfite at concentrations of 0.1 and 1.0 mM and nitrite of a concentration of 1.0 mM. Results show that the photosynthetic activity of the blue-green algae studied was almost totally inhibited by 0.1 mM bisulfite. By contrast, the other algae generally showed little or no inhibition by 0.1 mM bisulfite; this group of resistant species included 14 green algae, 2 yellow algae, a red algae, and EUGLENA GRACILIS. Similarly, the 8 genera of blue-green algae were consistently sensitive to 1 mM nitrite. On the other hand, not one of the 10 green and yellow algal genera tested was appreciably inhibited by nitrite at this concentration. The potential sensitivity of blue-green algae to atmospheric sulfur dioxide is particularly interesting because the blue-green algae are the dominant nitrogen-fixing organisms in some ecosystems.
Research Organization:
Cornell Univ., Ithaca, NY
OSTI ID:
5133854
Journal Information:
J. Air Pollut. Control Assoc.; (United States), Journal Name: J. Air Pollut. Control Assoc.; (United States) Vol. 27:9; ISSN JPCAA
Country of Publication:
United States
Language:
English

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Related Subjects

560302* -- Chemicals Metabolism & Toxicology-- Microorganisms-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
ALGAE
ANIMALS
BACTERIA
BIOLOGICAL EFFECTS
BIOMASS
CHALCOGENIDES
CHEMICAL REACTIONS
ENERGY SOURCES
EUGLENA
FUNGI
INHIBITION
INVERTEBRATES
MICROORGANISMS
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOSYNTHESIS
PLANTS
POLLUTION
PROTOZOA
RENEWABLE ENERGY SOURCES
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
SYNTHESIS
TOXICITY
UNICELLULAR ALGAE
WATER POLLUTION