Energy status and free fatty acid patterns in tissues of common carp ( Cyprinus carpio , L.) and rainbow trout ( Oncorhynchus mykiss , L.) during severe oxygen restriction
Identifieur interne : 000C96 ( Istex/Corpus ); précédent : 000C95; suivant : 000C97Energy status and free fatty acid patterns in tissues of common carp ( Cyprinus carpio , L.) and rainbow trout ( Oncorhynchus mykiss , L.) during severe oxygen restriction
Auteurs : Marcel T. M. Van Raaij ; Erik Bakker ; Maaike C. Nieveen ; Hans Zirkzee ; Guido E. E. J. M. Van Den ThillartSource :
- Comparative Biochemistry and Physiology, Part A: Physiology [ 0300-9629 ] ; 1994.
Abstract
Common carp and rainbow trout were exposed to a severe level of oxygen restriction up to a near lethal value, to study the occurrence of tissue damage. Rainbow trout lost equilibrium at a PO2 of 3.2 kPa, whereas carp were able to survive 1.5 hr of anoxia. In both species, the anaerobic metabolism was significantly activated and the energy status (PCr, ATP and energy charge) was significantly depressed in brain, liver, and red and white muscle. No marked release of PUFA to the FFA pool was observed, while membrane leakage was not increased as evidenced by plasma LDH-activity. These results indicate the absence of a marked hydrolysis of membrane lipids. Thus, even after a near lethal exposure to hypoxia or anoxia, no tissue damage occurs in fish liver and skeletal muscles. The changes of the FFA patterns in the skeletal muscles and liver of both species after oxygen deprivation may be related to changes in desaturase activities, a reduction of lipolytic activity and PUFA metabolism.
Url:
DOI: 10.1016/0300-9629(94)90219-4
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Box 9502, 2300 RA Leiden, The Netherlands</mods:affiliation></affiliation></author><author><name sortKey="Nieveen, Maaike C" sort="Nieveen, Maaike C" uniqKey="Nieveen M" first="Maaike C." last="Nieveen">Maaike C. Nieveen</name><affiliation><mods:affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</mods:affiliation></affiliation></author><author><name sortKey="Zirkzee, Hans" sort="Zirkzee, Hans" uniqKey="Zirkzee H" first="Hans" last="Zirkzee">Hans Zirkzee</name><affiliation><mods:affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</mods:affiliation></affiliation></author><author><name sortKey="Van Den Thillart, Guido E E J M" sort="Van Den Thillart, Guido E E J M" uniqKey="Van Den Thillart G" first="Guido E. E. J. M." last="Van Den Thillart">Guido E. E. J. M. Van Den Thillart</name><affiliation><mods:affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. 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Van Raaij</name><affiliation><mods:affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</mods:affiliation></affiliation></author><author><name sortKey="Bakker, Erik" sort="Bakker, Erik" uniqKey="Bakker E" first="Erik" last="Bakker">Erik Bakker</name><affiliation><mods:affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</mods:affiliation></affiliation></author><author><name sortKey="Nieveen, Maaike C" sort="Nieveen, Maaike C" uniqKey="Nieveen M" first="Maaike C." last="Nieveen">Maaike C. Nieveen</name><affiliation><mods:affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</mods:affiliation></affiliation></author><author><name sortKey="Zirkzee, Hans" sort="Zirkzee, Hans" uniqKey="Zirkzee H" first="Hans" last="Zirkzee">Hans Zirkzee</name><affiliation><mods:affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</mods:affiliation></affiliation></author><author><name sortKey="Van Den Thillart, Guido E E J M" sort="Van Den Thillart, Guido E E J M" uniqKey="Van Den Thillart G" first="Guido E. E. J. M." last="Van Den Thillart">Guido E. E. J. M. Van Den Thillart</name><affiliation><mods:affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Comparative Biochemistry and Physiology, Part A: Physiology</title><title level="j" type="abbrev">CBAOLD</title><idno type="ISSN">0300-9629</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1994">1994</date><biblScope unit="volume">109</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="755">755</biblScope><biblScope unit="page" to="767">767</biblScope></imprint><idno type="ISSN">0300-9629</idno></series><idno type="istex">BF627F7FF2E40C3C56874DD7DC7FE11F9185FCC5</idno><idno type="DOI">10.1016/0300-9629(94)90219-4</idno><idno type="PII">0300-9629(94)90219-4</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0300-9629</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Common carp and rainbow trout were exposed to a severe level of oxygen restriction up to a near lethal value, to study the occurrence of tissue damage. Rainbow trout lost equilibrium at a PO2 of 3.2 kPa, whereas carp were able to survive 1.5 hr of anoxia. In both species, the anaerobic metabolism was significantly activated and the energy status (PCr, ATP and energy charge) was significantly depressed in brain, liver, and red and white muscle. No marked release of PUFA to the FFA pool was observed, while membrane leakage was not increased as evidenced by plasma LDH-activity. These results indicate the absence of a marked hydrolysis of membrane lipids. Thus, even after a near lethal exposure to hypoxia or anoxia, no tissue damage occurs in fish liver and skeletal muscles. The changes of the FFA patterns in the skeletal muscles and liver of both species after oxygen deprivation may be related to changes in desaturase activities, a reduction of lipolytic activity and PUFA metabolism.</div></front></TEI><istex><corpusName>elsevier</corpusName><author><json:item><name>Marcel T.M. van Raaij</name><affiliations><json:string>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</json:string></affiliations></json:item><json:item><name>Erik Bakker</name><affiliations><json:string>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</json:string></affiliations></json:item><json:item><name>Maaike C. Nieveen</name><affiliations><json:string>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</json:string></affiliations></json:item><json:item><name>Hans Zirkzee</name><affiliations><json:string>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</json:string></affiliations></json:item><json:item><name>Guido E.E.J.M. van den Thillart</name><affiliations><json:string>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</json:string></affiliations></json:item></author><subject><json:item><lang><json:string>eng</json:string></lang><value>Carp</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Rainbow trout</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Hypoxia</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Anoxia</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>FFA composition</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>LDH</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Energy status</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Tissue damage</value></json:item><json:item><lang><json:string>eng</json:string></lang><value>Hypoxia-resistance</value></json:item></subject><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>Common carp and rainbow trout were exposed to a severe level of oxygen restriction up to a near lethal value, to study the occurrence of tissue damage. Rainbow trout lost equilibrium at a PO2 of 3.2 kPa, whereas carp were able to survive 1.5 hr of anoxia. In both species, the anaerobic metabolism was significantly activated and the energy status (PCr, ATP and energy charge) was significantly depressed in brain, liver, and red and white muscle. No marked release of PUFA to the FFA pool was observed, while membrane leakage was not increased as evidenced by plasma LDH-activity. These results indicate the absence of a marked hydrolysis of membrane lipids. Thus, even after a near lethal exposure to hypoxia or anoxia, no tissue damage occurs in fish liver and skeletal muscles. The changes of the FFA patterns in the skeletal muscles and liver of both species after oxygen deprivation may be related to changes in desaturase activities, a reduction of lipolytic activity and PUFA metabolism.</abstract><qualityIndicators><score>6.98</score><pdfVersion>1.2</pdfVersion><pdfPageSize>504 x 756 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>9</keywordCount><abstractCharCount>995</abstractCharCount><pdfWordCount>7099</pdfWordCount><pdfCharCount>43066</pdfCharCount><pdfPageCount>13</pdfPageCount><abstractWordCount>165</abstractWordCount></qualityIndicators><title>Energy status and free fatty acid patterns in tissues of common carp ( Cyprinus carpio , L.) and rainbow trout ( Oncorhynchus mykiss , L.) during severe oxygen restriction</title><pii><json:string>0300-9629(94)90219-4</json:string></pii><genre><json:string>research-article</json:string></genre><serie><volume>III</volume><language><json:string>unknown</json:string></language><title>Methods of Enzymatic Analysis</title></serie><host><volume>109</volume><pii><json:string>S0300-9629(00)X0326-X</json:string></pii><pages><last>767</last><first>755</first></pages><issn><json:string>0300-9629</json:string></issn><issue>3</issue><genre><json:string>journal</json:string></genre><language><json:string>unknown</json:string></language><title>Comparative Biochemistry and Physiology, Part A: Physiology</title><publicationDate>1994</publicationDate></host><publicationDate>1994</publicationDate><copyrightDate>1994</copyrightDate><doi><json:string>10.1016/0300-9629(94)90219-4</json:string></doi><id>BF627F7FF2E40C3C56874DD7DC7FE11F9185FCC5</id><score>0.023510871</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/BF627F7FF2E40C3C56874DD7DC7FE11F9185FCC5/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/BF627F7FF2E40C3C56874DD7DC7FE11F9185FCC5/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/BF627F7FF2E40C3C56874DD7DC7FE11F9185FCC5/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a">Energy status and free fatty acid patterns in tissues of common carp ( Cyprinus carpio , L.) and rainbow trout ( Oncorhynchus mykiss , L.) during severe oxygen restriction</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>ELSEVIER</p></availability><date>1994</date></publicationStmt><notesStmt><note type="content">Section title: General paper</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a">Energy status and free fatty acid patterns in tissues of common carp ( Cyprinus carpio , L.) and rainbow trout ( Oncorhynchus mykiss , L.) during severe oxygen restriction</title><author xml:id="author-1"><persName><forename type="first">Marcel T.M.</forename><surname>van Raaij</surname></persName><note type="correspondence"><p>Correspondence to: M. T. M. van Raaj, State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands.</p></note><affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</affiliation></author><author xml:id="author-2"><persName><forename type="first">Erik</forename><surname>Bakker</surname></persName><affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</affiliation></author><author xml:id="author-3"><persName><forename type="first">Maaike C.</forename><surname>Nieveen</surname></persName><affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</affiliation></author><author xml:id="author-4"><persName><forename type="first">Hans</forename><surname>Zirkzee</surname></persName><affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</affiliation></author><author xml:id="author-5"><persName><forename type="first">Guido E.E.J.M.</forename><surname>van den Thillart</surname></persName><affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</affiliation></author></analytic><monogr><title level="j">Comparative Biochemistry and Physiology, Part A: Physiology</title><title level="j" type="abbrev">CBAOLD</title><idno type="pISSN">0300-9629</idno><idno type="PII">S0300-9629(00)X0326-X</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1994"></date><biblScope unit="volume">109</biblScope><biblScope unit="issue">3</biblScope><biblScope unit="page" from="755">755</biblScope><biblScope unit="page" to="767">767</biblScope></imprint></monogr><idno type="istex">BF627F7FF2E40C3C56874DD7DC7FE11F9185FCC5</idno><idno type="DOI">10.1016/0300-9629(94)90219-4</idno><idno type="PII">0300-9629(94)90219-4</idno></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1994</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>Common carp and rainbow trout were exposed to a severe level of oxygen restriction up to a near lethal value, to study the occurrence of tissue damage. Rainbow trout lost equilibrium at a PO2 of 3.2 kPa, whereas carp were able to survive 1.5 hr of anoxia. In both species, the anaerobic metabolism was significantly activated and the energy status (PCr, ATP and energy charge) was significantly depressed in brain, liver, and red and white muscle. No marked release of PUFA to the FFA pool was observed, while membrane leakage was not increased as evidenced by plasma LDH-activity. These results indicate the absence of a marked hydrolysis of membrane lipids. Thus, even after a near lethal exposure to hypoxia or anoxia, no tissue damage occurs in fish liver and skeletal muscles. The changes of the FFA patterns in the skeletal muscles and liver of both species after oxygen deprivation may be related to changes in desaturase activities, a reduction of lipolytic activity and PUFA metabolism.</p></abstract><textClass><keywords scheme="keyword"><list><head>Keywords</head><item><term>Carp</term></item><item><term>Rainbow trout</term></item><item><term>Hypoxia</term></item><item><term>Anoxia</term></item><item><term>FFA composition</term></item><item><term>LDH</term></item><item><term>Energy status</term></item><item><term>Tissue damage</term></item><item><term>Hypoxia-resistance</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="1994">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/BF627F7FF2E40C3C56874DD7DC7FE11F9185FCC5/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: tail"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>CBAOLD</jid><aid>94902194</aid><ce:pii>0300-9629(94)90219-4</ce:pii><ce:doi>10.1016/0300-9629(94)90219-4</ce:doi><ce:copyright type="unknown" year="1994"></ce:copyright></item-info><head><ce:dochead><ce:textfn>General paper</ce:textfn></ce:dochead><ce:title>Energy status and free fatty acid patterns in tissues of common carp (<ce:italic>Cyprinus carpio</ce:italic>, L.) and rainbow trout (<ce:italic>Oncorhynchus mykiss</ce:italic>, L.) during severe oxygen restriction</ce:title><ce:author-group><ce:author><ce:given-name>Marcel T.M.</ce:given-name><ce:surname>van Raaij</ce:surname><ce:cross-ref refid="COR1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Erik</ce:given-name><ce:surname>Bakker</ce:surname></ce:author><ce:author><ce:given-name>Maaike C.</ce:given-name><ce:surname>Nieveen</ce:surname></ce:author><ce:author><ce:given-name>Hans</ce:given-name><ce:surname>Zirkzee</ce:surname></ce:author><ce:author><ce:given-name>Guido E.E.J.M.</ce:given-name><ce:surname>van den Thillart</ce:surname></ce:author><ce:affiliation><ce:textfn>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</ce:textfn></ce:affiliation><ce:correspondence id="COR1"><ce:label>a</ce:label><ce:text>Correspondence to: M. T. M. van Raaj, State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands.</ce:text></ce:correspondence></ce:author-group><ce:date-received day="9" month="11" year="1993"></ce:date-received><ce:date-accepted day="9" month="5" year="1994"></ce:date-accepted><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>Common carp and rainbow trout were exposed to a severe level of oxygen restriction up to a near lethal value, to study the occurrence of tissue damage. Rainbow trout lost equilibrium at a <ce:italic>P</ce:italic>O<ce:inf>2</ce:inf> of 3.2 kPa, whereas carp were able to survive 1.5 hr of anoxia. In both species, the anaerobic metabolism was significantly activated and the energy status (PCr, ATP and energy charge) was significantly depressed in brain, liver, and red and white muscle. No marked release of PUFA to the FFA pool was observed, while membrane leakage was not increased as evidenced by plasma LDH-activity. These results indicate the absence of a marked hydrolysis of membrane lipids. Thus, even after a near lethal exposure to hypoxia or anoxia, no tissue damage occurs in fish liver and skeletal muscles. The changes of the FFA patterns in the skeletal muscles and liver of both species after oxygen deprivation may be related to changes in desaturase activities, a reduction of lipolytic activity and PUFA metabolism.</ce:simple-para></ce:abstract-sec></ce:abstract><ce:keywords><ce:section-title>Keywords</ce:section-title><ce:keyword><ce:text>Carp</ce:text></ce:keyword><ce:keyword><ce:text>Rainbow trout</ce:text></ce:keyword><ce:keyword><ce:text>Hypoxia</ce:text></ce:keyword><ce:keyword><ce:text>Anoxia</ce:text></ce:keyword><ce:keyword><ce:text>FFA composition</ce:text></ce:keyword><ce:keyword><ce:text>LDH</ce:text></ce:keyword><ce:keyword><ce:text>Energy status</ce:text></ce:keyword><ce:keyword><ce:text>Tissue damage</ce:text></ce:keyword><ce:keyword><ce:text>Hypoxia-resistance</ce:text></ce:keyword></ce:keywords></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>Energy status and free fatty acid patterns in tissues of common carp ( Cyprinus carpio , L.) and rainbow trout ( Oncorhynchus mykiss , L.) during severe oxygen restriction</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>Energy status and free fatty acid patterns in tissues of common carp (</title></titleInfo><name type="personal"><namePart type="given">Marcel T.M.</namePart><namePart type="family">van Raaij</namePart><affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</affiliation><description>Correspondence to: M. T. M. van Raaj, State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands.</description><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Erik</namePart><namePart type="family">Bakker</namePart><affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Maaike C.</namePart><namePart type="family">Nieveen</namePart><affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Hans</namePart><namePart type="family">Zirkzee</namePart><affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Guido E.E.J.M.</namePart><namePart type="family">van den Thillart</namePart><affiliation>State University of Leiden, Department of Biology (Animal Physiology), Gorlaeus laboratories, Einsteinweg 55, P.O. Box 9502, 2300 RA Leiden, The Netherlands</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article"></genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1994</dateIssued><copyrightDate encoding="w3cdtf">1994</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="en">Common carp and rainbow trout were exposed to a severe level of oxygen restriction up to a near lethal value, to study the occurrence of tissue damage. Rainbow trout lost equilibrium at a PO2 of 3.2 kPa, whereas carp were able to survive 1.5 hr of anoxia. In both species, the anaerobic metabolism was significantly activated and the energy status (PCr, ATP and energy charge) was significantly depressed in brain, liver, and red and white muscle. No marked release of PUFA to the FFA pool was observed, while membrane leakage was not increased as evidenced by plasma LDH-activity. These results indicate the absence of a marked hydrolysis of membrane lipids. Thus, even after a near lethal exposure to hypoxia or anoxia, no tissue damage occurs in fish liver and skeletal muscles. The changes of the FFA patterns in the skeletal muscles and liver of both species after oxygen deprivation may be related to changes in desaturase activities, a reduction of lipolytic activity and PUFA metabolism.</abstract><note type="content">Section title: General paper</note><subject><genre>Keywords</genre><topic>Carp</topic><topic>Rainbow trout</topic><topic>Hypoxia</topic><topic>Anoxia</topic><topic>FFA composition</topic><topic>LDH</topic><topic>Energy status</topic><topic>Tissue damage</topic><topic>Hypoxia-resistance</topic></subject><relatedItem type="host"><titleInfo><title>Comparative Biochemistry and Physiology, Part A: Physiology</title></titleInfo><titleInfo type="abbreviated"><title>CBAOLD</title></titleInfo><genre type="journal">journal</genre><originInfo><dateIssued encoding="w3cdtf">199411</dateIssued></originInfo><identifier type="ISSN">0300-9629</identifier><identifier type="PII">S0300-9629(00)X0326-X</identifier><part><date>199411</date><detail type="volume"><number>109</number><caption>vol.</caption></detail><detail type="issue"><number>3</number><caption>no.</caption></detail><extent unit="issue pages"><start>513</start><end>821</end></extent><extent unit="pages"><start>755</start><end>767</end></extent></part></relatedItem><identifier type="istex">BF627F7FF2E40C3C56874DD7DC7FE11F9185FCC5</identifier><identifier type="DOI">10.1016/0300-9629(94)90219-4</identifier><identifier type="PII">0300-9629(94)90219-4</identifier><recordInfo><recordContentSource>ELSEVIER</recordContentSource></recordInfo></mods></metadata></istex></record>Pour manipuler ce document sous Unix (Dilib)
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|texte= Energy status and free fatty acid patterns in tissues of common carp ( Cyprinus carpio , L.) and rainbow trout ( Oncorhynchus mykiss , L.) during severe oxygen restriction
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