Physiological changes of sturgeon Acipenser naccarii caused by increasing environmental salinity.
Identifieur interne : 000596 ( PubMed/Curation ); précédent : 000595; suivant : 000597Physiological changes of sturgeon Acipenser naccarii caused by increasing environmental salinity.
Auteurs : R M Martínez-Alvarez [Espagne] ; M C Hidalgo ; A. Domezain ; A E Morales ; M. García-Gallego ; A. SanzSource :
- The Journal of experimental biology [ 0022-0949 ] ; 2002.
English descriptors
- KwdEn :
- Acclimatization, Animals, Blood Glucose (analysis), Blood Proteins (analysis), Catalase (analysis), Catalase (blood), Environment, Erythrocytes (enzymology), Erythrocytes (metabolism), Fishes (physiology), Glutathione Peroxidase (analysis), Glutathione Peroxidase (blood), Hydrocortisone (blood), Lipid Peroxidation, Liver (enzymology), Myocardium (enzymology), Osmolar Concentration, Seawater, Sodium Chloride, Superoxide Dismutase (analysis), Superoxide Dismutase (blood), Water-Electrolyte Balance.
- MESH :
- chemical , analysis : Blood Glucose, Blood Proteins, Catalase, Glutathione Peroxidase, Superoxide Dismutase.
- chemical , blood : Catalase, Glutathione Peroxidase, Hydrocortisone, Superoxide Dismutase.
- enzymology : Erythrocytes, Liver, Myocardium.
- metabolism : Erythrocytes.
- physiology : Fishes.
- Acclimatization, Animals, Environment, Lipid Peroxidation, Osmolar Concentration, Seawater, Sodium Chloride, Water-Electrolyte Balance.
Abstract
The possible repercussions of osmoregulatory processes on some indicators of classical and oxidative stress were examined during gradual acclimation of sturgeons (Acipenser naccarii) to full seawater (35% salinity) and after a period of 20 approximately days at this salinity. Erythrocyte constants and levels of cortisol, protein and glucose in the plasma were determined. In addition, plasma osmolality and muscle-hydration values, as well as liver and heart protein, were determined. Catalase, glutathione peroxidase and superoxide dismutase activities and lipidperoxidation levels were measured in blood (plasma and red blood cells) and tissue (liver and heart). A number of physiological responses, such as disturbance in body fluid, activation of osmoregulatory mechanisms, augmented antioxidant defences in blood and alteration of energy metabolites, were detected with increasing environmental salinity. After 20 days at 35% salinity, plasma osmolality, erythrocyte constants and muscle water content all returned to values usual for low environmental salinity, indicating that osmoregulatory processes have achieved their objective. However, cortisol values, antioxidant enzyme activities in the blood (plasma and red blood cells), lipid peroxidation in plasma, and hepatic proteins did not return to initial values, showing that osmoregulatory processes cause major physiological changes in the fish.
PubMed: 12409496
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Domezain</name></author><author><name sortKey="Morales, A E" sort="Morales, A E" uniqKey="Morales A" first="A E" last="Morales">A E Morales</name></author><author><name sortKey="Garcia Gallego, M" sort="Garcia Gallego, M" uniqKey="Garcia Gallego M" first="M" last="García-Gallego">M. García-Gallego</name></author><author><name sortKey="Sanz, A" sort="Sanz, A" uniqKey="Sanz A" first="A" last="Sanz">A. 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Domezain</name></author><author><name sortKey="Morales, A E" sort="Morales, A E" uniqKey="Morales A" first="A E" last="Morales">A E Morales</name></author><author><name sortKey="Garcia Gallego, M" sort="Garcia Gallego, M" uniqKey="Garcia Gallego M" first="M" last="García-Gallego">M. García-Gallego</name></author><author><name sortKey="Sanz, A" sort="Sanz, A" uniqKey="Sanz A" first="A" last="Sanz">A. Sanz</name></author></analytic><series><title level="j">The Journal of experimental biology</title><idno type="ISSN">0022-0949</idno><imprint><date when="2002" type="published">2002</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acclimatization</term><term>Animals</term><term>Blood Glucose (analysis)</term><term>Blood Proteins (analysis)</term><term>Catalase (analysis)</term><term>Catalase (blood)</term><term>Environment</term><term>Erythrocytes (enzymology)</term><term>Erythrocytes (metabolism)</term><term>Fishes (physiology)</term><term>Glutathione Peroxidase (analysis)</term><term>Glutathione Peroxidase (blood)</term><term>Hydrocortisone (blood)</term><term>Lipid Peroxidation</term><term>Liver (enzymology)</term><term>Myocardium (enzymology)</term><term>Osmolar Concentration</term><term>Seawater</term><term>Sodium Chloride</term><term>Superoxide Dismutase (analysis)</term><term>Superoxide Dismutase (blood)</term><term>Water-Electrolyte Balance</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Blood Glucose</term><term>Blood Proteins</term><term>Catalase</term><term>Glutathione Peroxidase</term><term>Superoxide Dismutase</term></keywords><keywords scheme="MESH" type="chemical" qualifier="blood" xml:lang="en"><term>Catalase</term><term>Glutathione Peroxidase</term><term>Hydrocortisone</term><term>Superoxide Dismutase</term></keywords><keywords scheme="MESH" qualifier="enzymology" xml:lang="en"><term>Erythrocytes</term><term>Liver</term><term>Myocardium</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Erythrocytes</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fishes</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Acclimatization</term><term>Animals</term><term>Environment</term><term>Lipid Peroxidation</term><term>Osmolar Concentration</term><term>Seawater</term><term>Sodium Chloride</term><term>Water-Electrolyte Balance</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The possible repercussions of osmoregulatory processes on some indicators of classical and oxidative stress were examined during gradual acclimation of sturgeons (Acipenser naccarii) to full seawater (35% salinity) and after a period of 20 approximately days at this salinity. Erythrocyte constants and levels of cortisol, protein and glucose in the plasma were determined. In addition, plasma osmolality and muscle-hydration values, as well as liver and heart protein, were determined. Catalase, glutathione peroxidase and superoxide dismutase activities and lipidperoxidation levels were measured in blood (plasma and red blood cells) and tissue (liver and heart). A number of physiological responses, such as disturbance in body fluid, activation of osmoregulatory mechanisms, augmented antioxidant defences in blood and alteration of energy metabolites, were detected with increasing environmental salinity. After 20 days at 35% salinity, plasma osmolality, erythrocyte constants and muscle water content all returned to values usual for low environmental salinity, indicating that osmoregulatory processes have achieved their objective. However, cortisol values, antioxidant enzyme activities in the blood (plasma and red blood cells), lipid peroxidation in plasma, and hepatic proteins did not return to initial values, showing that osmoregulatory processes cause major physiological changes in the fish.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">12409496</PMID><DateCreated><Year>2002</Year><Month>10</Month><Day>31</Day></DateCreated><DateCompleted><Year>2003</Year><Month>06</Month><Day>06</Day></DateCompleted><DateRevised><Year>2015</Year><Month>11</Month><Day>19</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0022-0949</ISSN><JournalIssue CitedMedium="Print"><Volume>205</Volume><Issue>Pt 23</Issue><PubDate><Year>2002</Year><Month>Dec</Month></PubDate></JournalIssue><Title>The Journal of experimental biology</Title><ISOAbbreviation>J. Exp. Biol.</ISOAbbreviation></Journal><ArticleTitle>Physiological changes of sturgeon Acipenser naccarii caused by increasing environmental salinity.</ArticleTitle><Pagination><MedlinePgn>3699-706</MedlinePgn></Pagination><Abstract><AbstractText>The possible repercussions of osmoregulatory processes on some indicators of classical and oxidative stress were examined during gradual acclimation of sturgeons (Acipenser naccarii) to full seawater (35% salinity) and after a period of 20 approximately days at this salinity. Erythrocyte constants and levels of cortisol, protein and glucose in the plasma were determined. In addition, plasma osmolality and muscle-hydration values, as well as liver and heart protein, were determined. Catalase, glutathione peroxidase and superoxide dismutase activities and lipidperoxidation levels were measured in blood (plasma and red blood cells) and tissue (liver and heart). A number of physiological responses, such as disturbance in body fluid, activation of osmoregulatory mechanisms, augmented antioxidant defences in blood and alteration of energy metabolites, were detected with increasing environmental salinity. After 20 days at 35% salinity, plasma osmolality, erythrocyte constants and muscle water content all returned to values usual for low environmental salinity, indicating that osmoregulatory processes have achieved their objective. 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