Effects of sewage discharges on lipid and fatty acid composition of the Patagonian bivalve Diplodon chilensis

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Lipid and fatty acid (FA) composition and selected oxidative stress parameters of freshwater clams (Dipolodon chilensis), from a sewage-polluted (SMA) and a clean site, were compared. Trophic markers FA were analyzed in clams and sediment. Saturated FA (SAFA), and bacteria and sewage markers were ab...

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Autores principales:	Rocchetta, Iara, Ríos de Molina, María del Carmen, Luquet, Carlos Marcelo
Publicado:	2014
Materias:	Domestic effluents Fatty acid markers Freshwater bivalve Lipofuscins Oxidative stress Pollution Animals Biological Markers Bivalvia Environmental Monitoring Fatty Acids Lipid Peroxidation Sewage Thiobarbituric Acid Reactive Substances Water Pollutants
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0025326X_v79_n1-2_p211_Rocchetta http://hdl.handle.net/20.500.12110/paper_0025326X_v79_n1-2_p211_Rocchetta
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_0025326X_v79_n1-2_p211_Rocchetta
record_format	dspace
spelling	paper:paper_0025326X_v79_n1-2_p211_Rocchetta2023-06-08T14:53:07Z Effects of sewage discharges on lipid and fatty acid composition of the Patagonian bivalve Diplodon chilensis Rocchetta, Iara Ríos de Molina, María del Carmen Luquet, Carlos Marcelo Domestic effluents Fatty acid markers Freshwater bivalve Lipofuscins Oxidative stress Pollution Domestic effluents Fatty acid markers Freshwater bivalve Lipofuscins Oxidative stress Pollution Animals Biological Markers Bivalvia Environmental Monitoring Fatty Acids Lipid Peroxidation Sewage Thiobarbituric Acid Reactive Substances Water Pollutants Lipid and fatty acid (FA) composition and selected oxidative stress parameters of freshwater clams (Dipolodon chilensis), from a sewage-polluted (SMA) and a clean site, were compared. Trophic markers FA were analyzed in clams and sediment. Saturated FA (SAFA), and bacteria and sewage markers were abundant in SMA sediments, while diatom markers were 50% lower. Proportions of SAFA, branched FA, 20:5. n. 3 (EPA) and 22:6. n. 3 (DHA) were higher in SMA clams. Chronic exposure of D. chilensis to increasing eutrophication affected its lipid and FA composition. The increase in EPA and DHA proportions could be an adaptive response, which increases stress resistance but could also lead to higher susceptibility to lipid peroxidation TBARS, lipofuscins (20-fold) and GSH concentrations were higher in SMA clams. FA markers indicated terrestrial plant detritus and bacteria are important items in D. chilensis diet. Anthropogenic input in their food could be traced using specific FA as trophic markers. © 2013 Elsevier Ltd. Fil:Rocchetta, I. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Ríos de Molina, M.D.C. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Luquet, C.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2014 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0025326X_v79_n1-2_p211_Rocchetta http://hdl.handle.net/20.500.12110/paper_0025326X_v79_n1-2_p211_Rocchetta
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Domestic effluents Fatty acid markers Freshwater bivalve Lipofuscins Oxidative stress Pollution Domestic effluents Fatty acid markers Freshwater bivalve Lipofuscins Oxidative stress Pollution Animals Biological Markers Bivalvia Environmental Monitoring Fatty Acids Lipid Peroxidation Sewage Thiobarbituric Acid Reactive Substances Water Pollutants
spellingShingle	Domestic effluents Fatty acid markers Freshwater bivalve Lipofuscins Oxidative stress Pollution Domestic effluents Fatty acid markers Freshwater bivalve Lipofuscins Oxidative stress Pollution Animals Biological Markers Bivalvia Environmental Monitoring Fatty Acids Lipid Peroxidation Sewage Thiobarbituric Acid Reactive Substances Water Pollutants Rocchetta, Iara Ríos de Molina, María del Carmen Luquet, Carlos Marcelo Effects of sewage discharges on lipid and fatty acid composition of the Patagonian bivalve Diplodon chilensis
topic_facet	Domestic effluents Fatty acid markers Freshwater bivalve Lipofuscins Oxidative stress Pollution Domestic effluents Fatty acid markers Freshwater bivalve Lipofuscins Oxidative stress Pollution Animals Biological Markers Bivalvia Environmental Monitoring Fatty Acids Lipid Peroxidation Sewage Thiobarbituric Acid Reactive Substances Water Pollutants
description	Lipid and fatty acid (FA) composition and selected oxidative stress parameters of freshwater clams (Dipolodon chilensis), from a sewage-polluted (SMA) and a clean site, were compared. Trophic markers FA were analyzed in clams and sediment. Saturated FA (SAFA), and bacteria and sewage markers were abundant in SMA sediments, while diatom markers were 50% lower. Proportions of SAFA, branched FA, 20:5. n. 3 (EPA) and 22:6. n. 3 (DHA) were higher in SMA clams. Chronic exposure of D. chilensis to increasing eutrophication affected its lipid and FA composition. The increase in EPA and DHA proportions could be an adaptive response, which increases stress resistance but could also lead to higher susceptibility to lipid peroxidation TBARS, lipofuscins (20-fold) and GSH concentrations were higher in SMA clams. FA markers indicated terrestrial plant detritus and bacteria are important items in D. chilensis diet. Anthropogenic input in their food could be traced using specific FA as trophic markers. © 2013 Elsevier Ltd.
author	Rocchetta, Iara Ríos de Molina, María del Carmen Luquet, Carlos Marcelo
author_facet	Rocchetta, Iara Ríos de Molina, María del Carmen Luquet, Carlos Marcelo
author_sort	Rocchetta, Iara
title	Effects of sewage discharges on lipid and fatty acid composition of the Patagonian bivalve Diplodon chilensis
title_short	Effects of sewage discharges on lipid and fatty acid composition of the Patagonian bivalve Diplodon chilensis
title_full	Effects of sewage discharges on lipid and fatty acid composition of the Patagonian bivalve Diplodon chilensis
title_fullStr	Effects of sewage discharges on lipid and fatty acid composition of the Patagonian bivalve Diplodon chilensis
title_full_unstemmed	Effects of sewage discharges on lipid and fatty acid composition of the Patagonian bivalve Diplodon chilensis
title_sort	effects of sewage discharges on lipid and fatty acid composition of the patagonian bivalve diplodon chilensis
publishDate	2014
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0025326X_v79_n1-2_p211_Rocchetta http://hdl.handle.net/20.500.12110/paper_0025326X_v79_n1-2_p211_Rocchetta
work_keys_str_mv	AT rocchettaiara effectsofsewagedischargesonlipidandfattyacidcompositionofthepatagonianbivalvediplodonchilensis AT riosdemolinamariadelcarmen effectsofsewagedischargesonlipidandfattyacidcompositionofthepatagonianbivalvediplodonchilensis AT luquetcarlosmarcelo effectsofsewagedischargesonlipidandfattyacidcompositionofthepatagonianbivalvediplodonchilensis
_version_	1768545635305259008

Effects of sewage discharges on lipid and fatty acid composition of the Patagonian bivalve Diplodon chilensis

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