Ferreyroa, G.V.; Lagorio, M.G.; Trinelli, M.A.; Lavado, R.S.; Molina, F.V. "Lead effects on Brassica napus photosynthetic organs" (2017) Ecotoxicology and Environmental Safety. 140:123-130
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In this study, effects of lead on ultracellular structure and pigment contents of Brassica napus were examined. Pb(II) was added in soluble form to soil prior to sowing. Pb contents were measured in plant organs at the ontogenetic stages of flowering (FL) and physiological maturity (PM). Pigment contents were evaluated through reflectance measurements. Pb content in organs was found to decrease in the order; roots>stems>leaves. Lead content in senescent leaves at FL stage was significantly higher than harvested leaves, strongly suggesting a detoxification mechanism. Leaves and stems harvested at the PM stage showed damage at subcellular level, namely chloroplast disorganization, cell wall damage and presence of osmiophilic bodies. Chlorophyll content increased in the presence of Pb at the FL stage, compared with control; at the PM stage, chlorophyll contents decreased with low Pb concentration but showed no significant differences with control at high Pb soil concentration. The results suggest an increase in antioxidants at low Pb concentration and cell damage at higher lead concentration. © 2017 Elsevier Inc.


Documento: Artículo
Título:Lead effects on Brassica napus photosynthetic organs
Autor:Ferreyroa, G.V.; Lagorio, M.G.; Trinelli, M.A.; Lavado, R.S.; Molina, F.V.
Filiación:Instituto de Química Física de Materiales, Ambiente y Energía, CONICET and Departamento de Química Inorgánica, Analítica y Química Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Instituto de Geociencias Básicas y Aplicadas de Buenos Aires, CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Instituto de Investigaciones en Biociencias Agrícolas y Ambientales, CONICET, Facultad de Agronomía, Universidad de Buenos Aires, Buenos Aires, Argentina
Palabras clave:Cell damage; Heavy metals; Photosynthetic pigments; Soil pollution; lead; pigment; antioxidant; chlorophyll; lead; soil; soil pollutant; angiosperm; antioxidant; detoxification; lead; photosynthesis; pollution effect; pollution exposure; soil pollution; ultrastructure; Article; cell damage; cell ultrastructure; cell wall; chlorophyll content; chloroplast; concentration (parameters); controlled study; detoxification; nonhuman; plant leaf; plant root; plant stem; rapeseed; senescence; soil analysis; analysis; Argentina; biomass; chemistry; drug effects; environmental monitoring; metabolism; photosynthesis; rapeseed; soil; soil pollutant; toxicity; ultrastructure; Brassica napus; Antioxidants; Argentina; Biomass; Brassica napus; Chlorophyll; Chloroplasts; Environmental Monitoring; Lead; Photosynthesis; Plant Leaves; Plant Roots; Plant Stems; Soil; Soil Pollutants
Página de inicio:123
Página de fin:130
Título revista:Ecotoxicology and Environmental Safety
Título revista abreviado:Ecotoxicol. Environ. Saf.
CAS:lead, 7439-92-1, 13966-28-4; chlorophyll, 1406-65-1, 15611-43-5; Antioxidants; Chlorophyll; Lead; Soil; Soil Pollutants


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---------- APA ----------
Ferreyroa, G.V., Lagorio, M.G., Trinelli, M.A., Lavado, R.S. & Molina, F.V. (2017) . Lead effects on Brassica napus photosynthetic organs. Ecotoxicology and Environmental Safety, 140, 123-130.
---------- CHICAGO ----------
Ferreyroa, G.V., Lagorio, M.G., Trinelli, M.A., Lavado, R.S., Molina, F.V. "Lead effects on Brassica napus photosynthetic organs" . Ecotoxicology and Environmental Safety 140 (2017) : 123-130.
---------- MLA ----------
Ferreyroa, G.V., Lagorio, M.G., Trinelli, M.A., Lavado, R.S., Molina, F.V. "Lead effects on Brassica napus photosynthetic organs" . Ecotoxicology and Environmental Safety, vol. 140, 2017, pp. 123-130.
---------- VANCOUVER ----------
Ferreyroa, G.V., Lagorio, M.G., Trinelli, M.A., Lavado, R.S., Molina, F.V. Lead effects on Brassica napus photosynthetic organs. Ecotoxicol. Environ. Saf. 2017;140:123-130.