Effect of nutritional status on the osmoregulation of green sturgeon (Acipenser medirostris).
Identifieur interne : 000616 ( Ncbi/Merge ); précédent : 000615; suivant : 000617Effect of nutritional status on the osmoregulation of green sturgeon (Acipenser medirostris).
Auteurs : Liran Y. Haller [États-Unis] ; Silas S O. Hung ; Seunghyung Lee ; James G. Fadel ; Jun-Ho Lee ; Maryann Mcenroe ; Nann A. FangueSource :
- Physiological and biochemical zoology : PBZ [ 1537-5293 ]
English descriptors
- KwdEn :
- MESH :
- chemical : Sodium-Potassium-Exchanging ATPase.
- blood : Fishes.
- cytology : Gills.
- growth & development : Fishes.
- physiology : Fishes, Nutritional Status, Osmoregulation, Water-Electrolyte Balance.
- Animals, Estuaries, Salinity, Survival Rate.
Abstract
Anthropogenic climate change is linked to food web and salinity fluctuations in estuarine environments. Both decreased nutritional status and environmental salinity influence the physiological tolerance and health of fish populations; however, limited information on the interaction of these two factors and their physiological consequences is available. The green sturgeon (Acipenser medirostris) is a species of special concern in California, and the southern distinct population segment is listed as threatened. To test the hypothesis that poor nutrition negatively affects osmoregulation, juvenile green sturgeon (222 d posthatch) were randomly assigned to four feed restriction groups (12.5%, 25%, 50%, and 100% of the optimal feeding rate for 4 wk). Fish were then acutely exposed to 0-, 8-, 16-, or 32-ppt salinities and sampled at three time points (12, 72, or 120 h). Feed restriction significantly (P < 0.05) decreased specific growth rate, feed efficiency, condition factor, whole-body lipids, and protein content as well as plasma glucose, triglycerides, and proteins. Furthermore, feed restriction, salinity concentration, and salinity exposure time had significant effects on hematological indexes (hematocrit, hemoglobin), plasma values (osmolality, Na(+), K(+), Cl(-), glucose, lactate, cortisol), enzymatic activity (gill and pyloric ceca Na(+)/K(+) ATPase), and morphology of gill mitochondria-rich cells. The largest disturbances were observed at the highest salinity treatments across all feeding regimes. In addition, the interaction between feed restriction and acute salinity exposure at the highest salinity treatment resulted in high mortality rates during the first 72 h of salinity exposure. Evaluating the interactions of these environmental stressors and their implications on green sturgeon physiological tolerance will inform restoration and management efforts in rapidly changing estuarine environments.
DOI: 10.1086/679519
PubMed: 25590591
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Haller</name><affiliation wicri:level="2"><nlm:affiliation>Department of Animal Science, University of California, Davis, California 95616; 2Department of Marine Biomaterials and Aquaculture, Feeds and Foods Nutrition Research Center, Pukyong National University, Busan, Korea; 3School of Natural and Social Sciences, Purchase College, State University of New York, Purchase, New York 10577; 4Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, California 95616.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Animal Science, University of California, Davis, California 95616; 2Department of Marine Biomaterials and Aquaculture, Feeds and Foods Nutrition Research Center, Pukyong National University, Busan, Korea; 3School of Natural and Social Sciences, Purchase College, State University of New York, Purchase, New York 10577; 4Department of Wildlife, Fish, and Conservation Biology, University of California, Davis</wicri:cityArea></affiliation></author><author><name sortKey="Hung, Silas S O" sort="Hung, Silas S O" uniqKey="Hung S" first="Silas S O" last="Hung">Silas S O. Hung</name></author><author><name sortKey="Lee, Seunghyung" sort="Lee, Seunghyung" uniqKey="Lee S" first="Seunghyung" last="Lee">Seunghyung Lee</name></author><author><name sortKey="Fadel, James G" sort="Fadel, James G" uniqKey="Fadel J" first="James G" last="Fadel">James G. Fadel</name></author><author><name sortKey="Lee, Jun Ho" sort="Lee, Jun Ho" uniqKey="Lee J" first="Jun-Ho" last="Lee">Jun-Ho Lee</name></author><author><name sortKey="Mcenroe, Maryann" sort="Mcenroe, Maryann" uniqKey="Mcenroe M" first="Maryann" last="Mcenroe">Maryann Mcenroe</name></author><author><name sortKey="Fangue, Nann A" sort="Fangue, Nann A" uniqKey="Fangue N" first="Nann A" last="Fangue">Nann A. 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Haller</name><affiliation wicri:level="2"><nlm:affiliation>Department of Animal Science, University of California, Davis, California 95616; 2Department of Marine Biomaterials and Aquaculture, Feeds and Foods Nutrition Research Center, Pukyong National University, Busan, Korea; 3School of Natural and Social Sciences, Purchase College, State University of New York, Purchase, New York 10577; 4Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, California 95616.</nlm:affiliation><country xml:lang="fr">États-Unis</country><placeName><region type="state">Californie</region></placeName><wicri:cityArea>Department of Animal Science, University of California, Davis, California 95616; 2Department of Marine Biomaterials and Aquaculture, Feeds and Foods Nutrition Research Center, Pukyong National University, Busan, Korea; 3School of Natural and Social Sciences, Purchase College, State University of New York, Purchase, New York 10577; 4Department of Wildlife, Fish, and Conservation Biology, University of California, Davis</wicri:cityArea></affiliation></author><author><name sortKey="Hung, Silas S O" sort="Hung, Silas S O" uniqKey="Hung S" first="Silas S O" last="Hung">Silas S O. Hung</name></author><author><name sortKey="Lee, Seunghyung" sort="Lee, Seunghyung" uniqKey="Lee S" first="Seunghyung" last="Lee">Seunghyung Lee</name></author><author><name sortKey="Fadel, James G" sort="Fadel, James G" uniqKey="Fadel J" first="James G" last="Fadel">James G. Fadel</name></author><author><name sortKey="Lee, Jun Ho" sort="Lee, Jun Ho" uniqKey="Lee J" first="Jun-Ho" last="Lee">Jun-Ho Lee</name></author><author><name sortKey="Mcenroe, Maryann" sort="Mcenroe, Maryann" uniqKey="Mcenroe M" first="Maryann" last="Mcenroe">Maryann Mcenroe</name></author><author><name sortKey="Fangue, Nann A" sort="Fangue, Nann A" uniqKey="Fangue N" first="Nann A" last="Fangue">Nann A. Fangue</name></author></analytic><series><title level="j">Physiological and biochemical zoology : PBZ</title><idno type="eISSN">1537-5293</idno></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Estuaries</term><term>Fishes (blood)</term><term>Fishes (growth & development)</term><term>Fishes (physiology)</term><term>Gills (cytology)</term><term>Nutritional Status (physiology)</term><term>Osmoregulation (physiology)</term><term>Salinity</term><term>Sodium-Potassium-Exchanging ATPase</term><term>Survival Rate</term><term>Water-Electrolyte Balance (physiology)</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Sodium-Potassium-Exchanging ATPase</term></keywords><keywords scheme="MESH" qualifier="blood" xml:lang="en"><term>Fishes</term></keywords><keywords scheme="MESH" qualifier="cytology" xml:lang="en"><term>Gills</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Fishes</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fishes</term><term>Nutritional Status</term><term>Osmoregulation</term><term>Water-Electrolyte Balance</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Estuaries</term><term>Salinity</term><term>Survival Rate</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Anthropogenic climate change is linked to food web and salinity fluctuations in estuarine environments. Both decreased nutritional status and environmental salinity influence the physiological tolerance and health of fish populations; however, limited information on the interaction of these two factors and their physiological consequences is available. The green sturgeon (Acipenser medirostris) is a species of special concern in California, and the southern distinct population segment is listed as threatened. To test the hypothesis that poor nutrition negatively affects osmoregulation, juvenile green sturgeon (222 d posthatch) were randomly assigned to four feed restriction groups (12.5%, 25%, 50%, and 100% of the optimal feeding rate for 4 wk). Fish were then acutely exposed to 0-, 8-, 16-, or 32-ppt salinities and sampled at three time points (12, 72, or 120 h). Feed restriction significantly (P < 0.05) decreased specific growth rate, feed efficiency, condition factor, whole-body lipids, and protein content as well as plasma glucose, triglycerides, and proteins. Furthermore, feed restriction, salinity concentration, and salinity exposure time had significant effects on hematological indexes (hematocrit, hemoglobin), plasma values (osmolality, Na(+), K(+), Cl(-), glucose, lactate, cortisol), enzymatic activity (gill and pyloric ceca Na(+)/K(+) ATPase), and morphology of gill mitochondria-rich cells. The largest disturbances were observed at the highest salinity treatments across all feeding regimes. In addition, the interaction between feed restriction and acute salinity exposure at the highest salinity treatment resulted in high mortality rates during the first 72 h of salinity exposure. Evaluating the interactions of these environmental stressors and their implications on green sturgeon physiological tolerance will inform restoration and management efforts in rapidly changing estuarine environments.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25590591</PMID><DateCreated><Year>2015</Year><Month>01</Month><Day>16</Day></DateCreated><DateCompleted><Year>2015</Year><Month>09</Month><Day>23</Day></DateCompleted><DateRevised><Year>2015</Year><Month>01</Month><Day>16</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1537-5293</ISSN><JournalIssue CitedMedium="Internet"><Volume>88</Volume><Issue>1</Issue><PubDate><MedlineDate>2015 Jan-Feb</MedlineDate></PubDate></JournalIssue><Title>Physiological and biochemical zoology : PBZ</Title><ISOAbbreviation>Physiol. Biochem. Zool.</ISOAbbreviation></Journal><ArticleTitle>Effect of nutritional status on the osmoregulation of green sturgeon (Acipenser medirostris).</ArticleTitle><Pagination><MedlinePgn>22-42</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1086/679519</ELocationID><Abstract><AbstractText>Anthropogenic climate change is linked to food web and salinity fluctuations in estuarine environments. Both decreased nutritional status and environmental salinity influence the physiological tolerance and health of fish populations; however, limited information on the interaction of these two factors and their physiological consequences is available. The green sturgeon (Acipenser medirostris) is a species of special concern in California, and the southern distinct population segment is listed as threatened. To test the hypothesis that poor nutrition negatively affects osmoregulation, juvenile green sturgeon (222 d posthatch) were randomly assigned to four feed restriction groups (12.5%, 25%, 50%, and 100% of the optimal feeding rate for 4 wk). Fish were then acutely exposed to 0-, 8-, 16-, or 32-ppt salinities and sampled at three time points (12, 72, or 120 h). Feed restriction significantly (P < 0.05) decreased specific growth rate, feed efficiency, condition factor, whole-body lipids, and protein content as well as plasma glucose, triglycerides, and proteins. Furthermore, feed restriction, salinity concentration, and salinity exposure time had significant effects on hematological indexes (hematocrit, hemoglobin), plasma values (osmolality, Na(+), K(+), Cl(-), glucose, lactate, cortisol), enzymatic activity (gill and pyloric ceca Na(+)/K(+) ATPase), and morphology of gill mitochondria-rich cells. The largest disturbances were observed at the highest salinity treatments across all feeding regimes. In addition, the interaction between feed restriction and acute salinity exposure at the highest salinity treatment resulted in high mortality rates during the first 72 h of salinity exposure. Evaluating the interactions of these environmental stressors and their implications on green sturgeon physiological tolerance will inform restoration and management efforts in rapidly changing estuarine environments.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Haller</LastName><ForeName>Liran Y</ForeName><Initials>LY</Initials><AffiliationInfo><Affiliation>Department of Animal Science, University of California, Davis, California 95616; 2Department of Marine Biomaterials and Aquaculture, Feeds and Foods Nutrition Research Center, Pukyong National University, Busan, Korea; 3School of Natural and Social Sciences, Purchase College, State University of New York, Purchase, New York 10577; 4Department of Wildlife, Fish, and Conservation Biology, University of California, Davis, California 95616.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hung</LastName><ForeName>Silas S O</ForeName><Initials>SS</Initials></Author><Author ValidYN="Y"><LastName>Lee</LastName><ForeName>Seunghyung</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Fadel</LastName><ForeName>James G</ForeName><Initials>JG</Initials></Author><Author ValidYN="Y"><LastName>Lee</LastName><ForeName>Jun-Ho</ForeName><Initials>JH</Initials></Author><Author ValidYN="Y"><LastName>McEnroe</LastName><ForeName>Maryann</ForeName><Initials>M</Initials></Author><Author ValidYN="Y"><LastName>Fangue</LastName><ForeName>Nann A</ForeName><Initials>NA</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>12</Month><Day>18</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Physiol Biochem Zool</MedlineTA><NlmUniqueID>100883369</NlmUniqueID><ISSNLinking>1522-2152</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>EC 3.6.3.9</RegistryNumber><NameOfSubstance UI="D000254">Sodium-Potassium-Exchanging ATPase</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D063366" MajorTopicYN="N">Estuaries</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005399" MajorTopicYN="N">Fishes</DescriptorName><QualifierName UI="Q000097" MajorTopicYN="N">blood</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005880" MajorTopicYN="N">Gills</DescriptorName><QualifierName UI="Q000166" MajorTopicYN="N">cytology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009752" MajorTopicYN="N">Nutritional Status</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D064587" MajorTopicYN="N">Osmoregulation</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D054712" MajorTopicYN="N">Salinity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000254" MajorTopicYN="N">Sodium-Potassium-Exchanging ATPase</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D015996" MajorTopicYN="N">Survival Rate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014882" MajorTopicYN="N">Water-Electrolyte Balance</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2015</Year><Month>1</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2015</Year><Month>1</Month><Day>16</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2015</Year><Month>9</Month><Day>24</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">25590591</ArticleId><ArticleId IdType="doi">10.1086/679519</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Californie</li></region></list><tree><noCountry><name sortKey="Fadel, James G" sort="Fadel, James G" uniqKey="Fadel J" first="James G" last="Fadel">James G. Fadel</name><name sortKey="Fangue, Nann A" sort="Fangue, Nann A" uniqKey="Fangue N" first="Nann A" last="Fangue">Nann A. Fangue</name><name sortKey="Hung, Silas S O" sort="Hung, Silas S O" uniqKey="Hung S" first="Silas S O" last="Hung">Silas S O. Hung</name><name sortKey="Lee, Jun Ho" sort="Lee, Jun Ho" uniqKey="Lee J" first="Jun-Ho" last="Lee">Jun-Ho Lee</name><name sortKey="Lee, Seunghyung" sort="Lee, Seunghyung" uniqKey="Lee S" first="Seunghyung" last="Lee">Seunghyung Lee</name><name sortKey="Mcenroe, Maryann" sort="Mcenroe, Maryann" uniqKey="Mcenroe M" first="Maryann" last="Mcenroe">Maryann Mcenroe</name></noCountry><country name="États-Unis"><region name="Californie"><name sortKey="Haller, Liran Y" sort="Haller, Liran Y" uniqKey="Haller L" first="Liran Y" last="Haller">Liran Y. Haller</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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