Effect of mercuric, cadmium, and nickel ion combinations on a blue-green alga

Journal Article · Mon Jan 01 04:00:00 EST 1979 · Chemosphere; (United States)

DOI:https://doi.org/10.1016/0045-6535(79)90034-1· OSTI ID:5017932

Stratton, G W; Corke, C T

The response of Anabaena inaequalis towards combinations of mercuric, cadmium and nickel ion was dependent upon the order of metal addition and the actual metal concentrations involved. Mercuric and cadmium ions interacted synergistically towards photosynthesis (/sup 14/CO/sub 2/ uptake) and nitrogenase activity (acetylene reduction), but resulted in mixed synergism and antagonism towards growth, depending upon the actual metal concentrations used. Mercuric and nickel ions interacted in both a synergistic and antagonistic manner, depending on the metal concentrations used, towards growth and acetylene reduction, but evidenced a straight additive response towards photosynthesis. Nickel and cadmium ions interacted antagonistically towards all three assay criteria. Tri-metallic ion combinations resulted in antagonism towards growth and synergism towards photosynthesis and acetylene reduction. The pretreatment of cells with either cadmium or nickel ion protected against the toxicity of subsequently added mercuric ion. Similar results were obtained by pretreating cells with either mercuric or nickel ions prior to the addition of high levels of cadmium ion. It is proposed that the interactions observed are due to a competition between the metals for cellular binding sites. 26 references.

• Research Organization: Univ. of Guelph, Ontario
• OSTI ID: 5017932
• Journal Information: Chemosphere; (United States), Journal Name: Chemosphere; (United States) Vol. 10; ISSN CHESB
• Country of Publication: United States
• Language: English

Related Subjects

560302* -- Chemicals Metabolism & Toxicology-- Microorganisms-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ALGAE
BIOLOGICAL EFFECTS
CADMIUM COMPLEXES
CHEMICAL REACTIONS
COMPLEXES
DATA
ENZYME ACTIVITY
ENZYMES
EXPERIMENTAL DATA
GROWTH
INFORMATION
INJURIES
MERCURY COMPLEXES
NICKEL COMPLEXES
NITRO-GROUP DEHYDROGENASES
NITROGENASE
NUMERICAL DATA
OXIDOREDUCTASES
PHOTOCHEMICAL REACTIONS
PHOTOSYNTHESIS
PLANTS
SYNERGISM
SYNTHESIS
TRANSITION ELEMENT COMPLEXES