Respiratory responses to progressive ambient hypoxia in the sturgeon, Acipenser baeri.
Identifieur interne : 000864 ( Ncbi/Merge ); précédent : 000863; suivant : 000865Respiratory responses to progressive ambient hypoxia in the sturgeon, Acipenser baeri.
Auteurs : G. Nonnotte [France] ; V. Maxime ; J P Truchot ; Patrick Williot [France] ; C. PeyraudSource :
- Respiration physiology [ 0034-5687 ] ; 1993.
English descriptors
- KwdEn :
- MESH :
- chemical , blood : Carbon Dioxide, Chlorine, Potassium, Sodium.
- physiology : Fishes, Oxygen, Respiration.
- Acid-Base Equilibrium, Animals, Hydrogen-Ion Concentration, Oxygen Consumption.
Abstract
Changes in respiratory and acid-base variables were studied in siberian sturgeon, Acipenser baeri, during progressive deep hypoxia followed by recovery under normoxic conditions. During hypoxia, both ventilatory frequency and amplitude increased and this sturgeon was able to maintain standard oxygen consumption down to a low critical level of ambient PO2 (PWO2 < 40 mmHg). During the posthypoxic period, an O2 debt was repaid by an elevated oxygen consumption (nearly double control value at 1 h), indicating that a shift to anaerobic metabolism had occurred during exposure to severe hypoxia. Gradually increasing ambient hypoxia initially induced a respiratory alkalosis. Below the critical PWO2 level and during normoxic recovery, a sudden flush of lactate into the blood was associated with a typical metabolic acidosis which was almost totally compensated 3.5 h after return to normoxia. Thus, as for most other fish, respiratory responses of the sturgeon to progressive hypoxia reveal a typical O2 regulatory behavior.
PubMed: 8441872
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Maxime</name></author><author><name sortKey="Truchot, J P" sort="Truchot, J P" uniqKey="Truchot J" first="J P" last="Truchot">J P Truchot</name></author><author><name sortKey="Williot, P" sort="Williot, P" uniqKey="Williot P" first="P" last="Williot">Patrick Williot</name><affiliation><country>France</country><placeName><settlement type="city">Bordeaux</settlement><settlement type="town">Cestas</settlement><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Aquitaine</region></placeName><orgName type="laboratoire" n="5">Cemagref - centre de Bordeaux</orgName><orgName type="institution">Centre national du machinisme agricole, du génie rural, des eaux et des forêts</orgName><orgName type="institution">Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture</orgName></affiliation></author><author><name sortKey="Peyraud, C" sort="Peyraud, C" uniqKey="Peyraud C" first="C" last="Peyraud">C. 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Nonnotte</name><affiliation wicri:level="3"><nlm:affiliation>Laboratoire de Neurobiologie et Physiologie Comparées, CNRS URA 1126, Arcachon, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire de Neurobiologie et Physiologie Comparées, CNRS URA 1126, Arcachon</wicri:regionArea><placeName><region type="region">Nouvelle-Aquitaine</region><region type="old region">Aquitaine</region><settlement type="city">Arcachon</settlement></placeName></affiliation></author><author><name sortKey="Maxime, V" sort="Maxime, V" uniqKey="Maxime V" first="V" last="Maxime">V. Maxime</name></author><author><name sortKey="Truchot, J P" sort="Truchot, J P" uniqKey="Truchot J" first="J P" last="Truchot">J P Truchot</name></author><author><name sortKey="Williot, P" sort="Williot, P" uniqKey="Williot P" first="P" last="Williot">Patrick Williot</name><affiliation><country>France</country><placeName><settlement type="city">Bordeaux</settlement><settlement type="town">Cestas</settlement><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Aquitaine</region></placeName><orgName type="laboratoire" n="5">Cemagref - centre de Bordeaux</orgName><orgName type="institution">Centre national du machinisme agricole, du génie rural, des eaux et des forêts</orgName><orgName type="institution">Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture</orgName></affiliation></author><author><name sortKey="Peyraud, C" sort="Peyraud, C" uniqKey="Peyraud C" first="C" last="Peyraud">C. Peyraud</name></author></analytic><series><title level="j">Respiration physiology</title><idno type="ISSN">0034-5687</idno><imprint><date when="1993" type="published">1993</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acid-Base Equilibrium</term><term>Animals</term><term>Carbon Dioxide (blood)</term><term>Chlorine (blood)</term><term>Fishes (physiology)</term><term>Hydrogen-Ion Concentration</term><term>Oxygen (physiology)</term><term>Oxygen Consumption</term><term>Potassium (blood)</term><term>Respiration (physiology)</term><term>Sodium (blood)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="blood" xml:lang="en"><term>Carbon Dioxide</term><term>Chlorine</term><term>Potassium</term><term>Sodium</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fishes</term><term>Oxygen</term><term>Respiration</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Acid-Base Equilibrium</term><term>Animals</term><term>Hydrogen-Ion Concentration</term><term>Oxygen Consumption</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Changes in respiratory and acid-base variables were studied in siberian sturgeon, Acipenser baeri, during progressive deep hypoxia followed by recovery under normoxic conditions. During hypoxia, both ventilatory frequency and amplitude increased and this sturgeon was able to maintain standard oxygen consumption down to a low critical level of ambient PO2 (PWO2 < 40 mmHg). During the posthypoxic period, an O2 debt was repaid by an elevated oxygen consumption (nearly double control value at 1 h), indicating that a shift to anaerobic metabolism had occurred during exposure to severe hypoxia. Gradually increasing ambient hypoxia initially induced a respiratory alkalosis. Below the critical PWO2 level and during normoxic recovery, a sudden flush of lactate into the blood was associated with a typical metabolic acidosis which was almost totally compensated 3.5 h after return to normoxia. Thus, as for most other fish, respiratory responses of the sturgeon to progressive hypoxia reveal a typical O2 regulatory behavior.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">8441872</PMID><DateCreated><Year>1993</Year><Month>03</Month><Day>31</Day></DateCreated><DateCompleted><Year>1993</Year><Month>03</Month><Day>31</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0034-5687</ISSN><JournalIssue CitedMedium="Print"><Volume>91</Volume><Issue>1</Issue><PubDate><Year>1993</Year><Month>Jan</Month></PubDate></JournalIssue><Title>Respiration physiology</Title><ISOAbbreviation>Respir Physiol</ISOAbbreviation></Journal><ArticleTitle>Respiratory responses to progressive ambient hypoxia in the sturgeon, Acipenser baeri.</ArticleTitle><Pagination><MedlinePgn>71-82</MedlinePgn></Pagination><Abstract><AbstractText>Changes in respiratory and acid-base variables were studied in siberian sturgeon, Acipenser baeri, during progressive deep hypoxia followed by recovery under normoxic conditions. During hypoxia, both ventilatory frequency and amplitude increased and this sturgeon was able to maintain standard oxygen consumption down to a low critical level of ambient PO2 (PWO2 < 40 mmHg). During the posthypoxic period, an O2 debt was repaid by an elevated oxygen consumption (nearly double control value at 1 h), indicating that a shift to anaerobic metabolism had occurred during exposure to severe hypoxia. Gradually increasing ambient hypoxia initially induced a respiratory alkalosis. Below the critical PWO2 level and during normoxic recovery, a sudden flush of lactate into the blood was associated with a typical metabolic acidosis which was almost totally compensated 3.5 h after return to normoxia. Thus, as for most other fish, respiratory responses of the sturgeon to progressive hypoxia reveal a typical O2 regulatory behavior.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Nonnotte</LastName><ForeName>G</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Laboratoire de Neurobiologie et Physiologie Comparées, CNRS URA 1126, Arcachon, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Maxime</LastName><ForeName>V</ForeName><Initials>V</Initials></Author><Author ValidYN="Y"><LastName>Truchot</LastName><ForeName>J P</ForeName><Initials>JP</Initials></Author><Author ValidYN="Y"><LastName>Williot</LastName><ForeName>P</ForeName><Initials>P</Initials></Author><Author ValidYN="Y"><LastName>Peyraud</LastName><ForeName>C</ForeName><Initials>C</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Respir Physiol</MedlineTA><NlmUniqueID>0047142</NlmUniqueID><ISSNLinking>0034-5687</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>142M471B3J</RegistryNumber><NameOfSubstance UI="D002245">Carbon Dioxide</NameOfSubstance></Chemical><Chemical><RegistryNumber>4R7X1O2820</RegistryNumber><NameOfSubstance UI="D002713">Chlorine</NameOfSubstance></Chemical><Chemical><RegistryNumber>9NEZ333N27</RegistryNumber><NameOfSubstance UI="D012964">Sodium</NameOfSubstance></Chemical><Chemical><RegistryNumber>RWP5GA015D</RegistryNumber><NameOfSubstance UI="D011188">Potassium</NameOfSubstance></Chemical><Chemical><RegistryNumber>S88TT14065</RegistryNumber><NameOfSubstance UI="D010100">Oxygen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000136" MajorTopicYN="N">Acid-Base Equilibrium</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002245" MajorTopicYN="N">Carbon Dioxide</DescriptorName><QualifierName UI="Q000097" MajorTopicYN="N">blood</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D002713" MajorTopicYN="N">Chlorine</DescriptorName><QualifierName UI="Q000097" MajorTopicYN="N">blood</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005399" MajorTopicYN="N">Fishes</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006863" MajorTopicYN="N">Hydrogen-Ion Concentration</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010100" MajorTopicYN="N">Oxygen</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010101" MajorTopicYN="N">Oxygen Consumption</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011188" MajorTopicYN="N">Potassium</DescriptorName><QualifierName UI="Q000097" MajorTopicYN="N">blood</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012119" MajorTopicYN="N">Respiration</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012964" MajorTopicYN="N">Sodium</DescriptorName><QualifierName UI="Q000097" MajorTopicYN="N">blood</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>1993</Year><Month>1</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>1993</Year><Month>1</Month><Day>1</Day><Hour>0</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>1993</Year><Month>1</Month><Day>1</Day><Hour>0</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">8441872</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>France</li></country><region><li>Aquitaine</li><li>Nouvelle-Aquitaine</li></region><settlement><li>Arcachon</li><li>Bordeaux</li><li>Cestas</li></settlement><orgName><li>Cemagref - centre de Bordeaux</li><li>Centre national du machinisme agricole, du génie rural, des eaux et des forêts</li><li>Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture</li></orgName></list><tree><noCountry><name sortKey="Maxime, V" sort="Maxime, V" uniqKey="Maxime V" first="V" last="Maxime">V. Maxime</name><name sortKey="Peyraud, C" sort="Peyraud, C" uniqKey="Peyraud C" first="C" last="Peyraud">C. Peyraud</name><name sortKey="Truchot, J P" sort="Truchot, J P" uniqKey="Truchot J" first="J P" last="Truchot">J P Truchot</name></noCountry><country name="France"><region name="Nouvelle-Aquitaine"><name sortKey="Nonnotte, G" sort="Nonnotte, G" uniqKey="Nonnotte G" first="G" last="Nonnotte">G. Nonnotte</name></region><name sortKey="Williot, P" sort="Williot, P" uniqKey="Williot P" first="P" last="Williot">Patrick Williot</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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