Antioxidant defenses and lipid peroxidation in two Lithodes species from South Atlantic during summer

ABSTRACT In Southern South America Lithodes santolla and L. confundens are the most valuable king crabs species, specially due to their high yields and their high acceptance in the markets. From a physiological point of view, reactive oxygen species (ROS) are continuously produced as by-products of...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Romero,M. Carolina, Schvezov,Natasha, Sotelano,M. Paula, Diez,Mariano J, Florentin,Olga, Tapella,Federico, Lovrich,Gustavo A
Lenguaje:	English
Publicado:	Universidad de Valparaíso. Facultad de Ciencias del Mar 2013
Materias:	Enzymatic activity reactive oxygen species king crabs
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572013000200003
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:scielo:S0718-19572013000200003
record_format	dspace
spelling	oai:scielo:S0718-195720130002000032013-11-12Antioxidant defenses and lipid peroxidation in two Lithodes species from South Atlantic during summerRomero,M. CarolinaSchvezov,NatashaSotelano,M. PaulaDiez,Mariano JFlorentin,OlgaTapella,FedericoLovrich,Gustavo A Enzymatic activity reactive oxygen species king crabs ABSTRACT In Southern South America Lithodes santolla and L. confundens are the most valuable king crabs species, specially due to their high yields and their high acceptance in the markets. From a physiological point of view, reactive oxygen species (ROS) are continuously produced as by-products of cell respiration. These ROS are transformed into less toxic metabolites by antioxidant enzymes. The aim of the present study was to determine in Lithodes santolla (from San Jorge Gulf) and L. confundens (from Atlantic coast of Tierra del Fuego) the baseline status of both antioxidant enzyme activity and lipid peroxidation levels. Activities of catalase (CAT), glutathione-S-transferase (GST), as well as lipid peroxidation were measured in the muscle, gills and hepatopancreas. Both species showed antioxidant enzyme activities, and the gills were the organs with the highest CAT enzyme activities. CAT and GST activities were higher in muscle and gills, respectively, in L. confundens compared with L. santolla, whereas lipid peroxidation was low in both organs. These differences between both species suggest that L. confundens is more capable to afford oxidative stress than L. santolla, which may be a response to the common occurrence of L. confundens at the intertidal during the spring low tides. Differences in the analysed parameters could be attributed to intrinsic adaptation features of each king crab species and/or to environmental conditions of each particular study area. Furthermore, our results showed that parameters as CAT, GST and lipid peroxidation could be proposed as biomarkers of oxidative stress in Lithodes santolla and L. confundens.info:eu-repo/semantics/openAccessUniversidad de Valparaíso. Facultad de Ciencias del MarRevista de biología marina y oceanografía v.48 n.2 20132013-08-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572013000200003en10.4067/S0718-19572013000200003
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Enzymatic activity reactive oxygen species king crabs
spellingShingle	Enzymatic activity reactive oxygen species king crabs Romero,M. Carolina Schvezov,Natasha Sotelano,M. Paula Diez,Mariano J Florentin,Olga Tapella,Federico Lovrich,Gustavo A Antioxidant defenses and lipid peroxidation in two Lithodes species from South Atlantic during summer
description	ABSTRACT In Southern South America Lithodes santolla and L. confundens are the most valuable king crabs species, specially due to their high yields and their high acceptance in the markets. From a physiological point of view, reactive oxygen species (ROS) are continuously produced as by-products of cell respiration. These ROS are transformed into less toxic metabolites by antioxidant enzymes. The aim of the present study was to determine in Lithodes santolla (from San Jorge Gulf) and L. confundens (from Atlantic coast of Tierra del Fuego) the baseline status of both antioxidant enzyme activity and lipid peroxidation levels. Activities of catalase (CAT), glutathione-S-transferase (GST), as well as lipid peroxidation were measured in the muscle, gills and hepatopancreas. Both species showed antioxidant enzyme activities, and the gills were the organs with the highest CAT enzyme activities. CAT and GST activities were higher in muscle and gills, respectively, in L. confundens compared with L. santolla, whereas lipid peroxidation was low in both organs. These differences between both species suggest that L. confundens is more capable to afford oxidative stress than L. santolla, which may be a response to the common occurrence of L. confundens at the intertidal during the spring low tides. Differences in the analysed parameters could be attributed to intrinsic adaptation features of each king crab species and/or to environmental conditions of each particular study area. Furthermore, our results showed that parameters as CAT, GST and lipid peroxidation could be proposed as biomarkers of oxidative stress in Lithodes santolla and L. confundens.
author	Romero,M. Carolina Schvezov,Natasha Sotelano,M. Paula Diez,Mariano J Florentin,Olga Tapella,Federico Lovrich,Gustavo A
author_facet	Romero,M. Carolina Schvezov,Natasha Sotelano,M. Paula Diez,Mariano J Florentin,Olga Tapella,Federico Lovrich,Gustavo A
author_sort	Romero,M. Carolina
title	Antioxidant defenses and lipid peroxidation in two Lithodes species from South Atlantic during summer
title_short	Antioxidant defenses and lipid peroxidation in two Lithodes species from South Atlantic during summer
title_full	Antioxidant defenses and lipid peroxidation in two Lithodes species from South Atlantic during summer
title_fullStr	Antioxidant defenses and lipid peroxidation in two Lithodes species from South Atlantic during summer
title_full_unstemmed	Antioxidant defenses and lipid peroxidation in two Lithodes species from South Atlantic during summer
title_sort	antioxidant defenses and lipid peroxidation in two lithodes species from south atlantic during summer
publisher	Universidad de Valparaíso. Facultad de Ciencias del Mar
publishDate	2013
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-19572013000200003
work_keys_str_mv	AT romeromcarolina antioxidantdefensesandlipidperoxidationintwolithodesspeciesfromsouthatlanticduringsummer AT schvezovnatasha antioxidantdefensesandlipidperoxidationintwolithodesspeciesfromsouthatlanticduringsummer AT sotelanompaula antioxidantdefensesandlipidperoxidationintwolithodesspeciesfromsouthatlanticduringsummer AT diezmarianoj antioxidantdefensesandlipidperoxidationintwolithodesspeciesfromsouthatlanticduringsummer AT florentinolga antioxidantdefensesandlipidperoxidationintwolithodesspeciesfromsouthatlanticduringsummer AT tapellafederico antioxidantdefensesandlipidperoxidationintwolithodesspeciesfromsouthatlanticduringsummer AT lovrichgustavoa antioxidantdefensesandlipidperoxidationintwolithodesspeciesfromsouthatlanticduringsummer
_version_	1714202327565467648

Antioxidant defenses and lipid peroxidation in two Lithodes species from South Atlantic during summer

Ejemplares similares