Renal L-gulono-1,4-lactone oxidase activity as affected by dietary ascorbic acid in lake sturgeon (Acipenser fulvescens)
Identifieur interne : 000373 ( PascalFrancis/Checkpoint ); précédent : 000372; suivant : 000374Renal L-gulono-1,4-lactone oxidase activity as affected by dietary ascorbic acid in lake sturgeon (Acipenser fulvescens)
Auteurs : R. Moreau [États-Unis] ; K. Dabrowski [États-Unis] ; P. H. Sato [États-Unis]Source :
- Aquaculture : (Amsterdam) [ 0044-8486 ] ; 1999.
Descripteurs français
- Pascal (Inist)
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Abstract
Sturgeon can synthesize L-ascorbic acid (vitamin C) as they possess in their kidney L-gulono-1,4-lactone oxidase, the enzyme catalyzing the last step of AA biosynthesis. The effect of increasing dietary ascorbic acid on gulonolactone oxidase activity was studied in lake sturgeon. Two-year-old lake sturgeon (body weight 253 ± 89 g) were fed in triplicate groups with casein-based semipurified diets supplemented with either 0. 50, 250 or 1250 mg ascorbic acid/kg in the form of ascorbyl-2-monophosphate Mg for 38 days at 19.8°C. At the end of the trial, there were no significant differences in growth rate and survival among groups, Tissue total ascorbic acid concentrations increased significantly with dietary ascorbic acid. Renal gulonolactone oxidase activity was inconsistently affected by dietary treatment. These results suggested that, in sturgeon kidney unlike in the livers of ascorbic acid-synthesizing mammals, dietary ascorbic acid did not exert a negative feedback control on gulonolactone oxidase activity and thus on ascorbic acid synthesized. Using in vitro kinetics data we estimated a theoretical biosynthetic rate of ascorbic acid of 17 μmol (or 3 mg) per kilogram body weight per day at 15°C in juvenile lake sturgeon.
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Dabrowski</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>School of Natural Resources, The Ohio State University, 2021 Coffey Road</s1><s2>Columbus, OH 43210</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Ohio</region></placeName></affiliation></author><author><name sortKey="Sato, P H" sort="Sato, P H" uniqKey="Sato P" first="P. H." last="Sato">P. H. Sato</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Department of Pharmacology and Toxicology, Michigan State University</s1><s2>East Lansing, MI 48824</s2><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Michigan</region><settlement type="city">East Lansing</settlement></placeName><orgName type="university">Université d'État du Michigan</orgName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">99-0496905</idno><date when="1999">1999</date><idno type="stanalyst">PASCAL 99-0496905 INIST</idno><idno type="RBID">Pascal:99-0496905</idno><idno type="wicri:Area/PascalFrancis/Corpus">000379</idno><idno type="wicri:Area/PascalFrancis/Curation">000732</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000373</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000373</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Renal L-gulono-1,4-lactone oxidase activity as affected by dietary ascorbic acid in lake sturgeon (Acipenser fulvescens)</title><author><name sortKey="Moreau, R" sort="Moreau, R" uniqKey="Moreau R" first="R." last="Moreau">R. Moreau</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>School of Natural Resources, The Ohio State University, 2021 Coffey Road</s1><s2>Columbus, OH 43210</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Ohio</region></placeName></affiliation></author><author><name sortKey="Dabrowski, K" sort="Dabrowski, K" uniqKey="Dabrowski K" first="K." last="Dabrowski">K. Dabrowski</name><affiliation wicri:level="2"><inist:fA14 i1="01"><s1>School of Natural Resources, The Ohio State University, 2021 Coffey Road</s1><s2>Columbus, OH 43210</s2><s3>USA</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Ohio</region></placeName></affiliation></author><author><name sortKey="Sato, P H" sort="Sato, P H" uniqKey="Sato P" first="P. H." last="Sato">P. H. Sato</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Department of Pharmacology and Toxicology, Michigan State University</s1><s2>East Lansing, MI 48824</s2><s3>USA</s3><sZ>3 aut.</sZ></inist:fA14><country>États-Unis</country><placeName><region type="state">Michigan</region><settlement type="city">East Lansing</settlement></placeName><orgName type="university">Université d'État du Michigan</orgName></affiliation></author></analytic><series><title level="j" type="main">Aquaculture : (Amsterdam)</title><title level="j" type="abbreviated">Aquaculture : (Amst.)</title><idno type="ISSN">0044-8486</idno><imprint><date when="1999">1999</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Aquaculture : (Amsterdam)</title><title level="j" type="abbreviated">Aquaculture : (Amst.)</title><idno type="ISSN">0044-8486</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Ascorbic acid</term><term>Biosynthesis</term><term>Diet</term><term>Enzymatic activity</term><term>Growth rate</term><term>Kidney</term><term>L-Gulonolactone oxidase</term><term>Metabolism</term><term>Nutrient requirement</term><term>Survival</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Acide ascorbique</term><term>Régime alimentaire</term><term>Activité enzymatique</term><term>L-Gulonolactone oxidase</term><term>Rein</term><term>Besoin nutritif</term><term>Biosynthèse</term><term>Métabolisme</term><term>Taux croissance</term><term>Survie</term><term>Acipenser fulvescens</term><term>Acipenseridae</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Sturgeon can synthesize L-ascorbic acid (vitamin C) as they possess in their kidney L-gulono-1,4-lactone oxidase, the enzyme catalyzing the last step of AA biosynthesis. The effect of increasing dietary ascorbic acid on gulonolactone oxidase activity was studied in lake sturgeon. Two-year-old lake sturgeon (body weight 253 ± 89 g) were fed in triplicate groups with casein-based semipurified diets supplemented with either 0. 50, 250 or 1250 mg ascorbic acid/kg in the form of ascorbyl-2-monophosphate Mg for 38 days at 19.8°C. At the end of the trial, there were no significant differences in growth rate and survival among groups, Tissue total ascorbic acid concentrations increased significantly with dietary ascorbic acid. Renal gulonolactone oxidase activity was inconsistently affected by dietary treatment. These results suggested that, in sturgeon kidney unlike in the livers of ascorbic acid-synthesizing mammals, dietary ascorbic acid did not exert a negative feedback control on gulonolactone oxidase activity and thus on ascorbic acid synthesized. Using in vitro kinetics data we estimated a theoretical biosynthetic rate of ascorbic acid of 17 μmol (or 3 mg) per kilogram body weight per day at 15°C in juvenile lake sturgeon.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0044-8486</s0></fA01><fA02 i1="01"><s0>AQCLAL</s0></fA02><fA03 i2="1"><s0>Aquaculture : (Amst.)</s0></fA03><fA05><s2>180</s2></fA05><fA06><s2>3-4</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Renal L-gulono-1,4-lactone oxidase activity as affected by dietary ascorbic acid in lake sturgeon (Acipenser fulvescens)</s1></fA08><fA11 i1="01" i2="1"><s1>MOREAU (R.)</s1></fA11><fA11 i1="02" i2="1"><s1>DABROWSKI (K.)</s1></fA11><fA11 i1="03" i2="1"><s1>SATO (P. 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Using in vitro kinetics data we estimated a theoretical biosynthetic rate of ascorbic acid of 17 μmol (or 3 mg) per kilogram body weight per day at 15°C in juvenile lake sturgeon.</s0></fC01><fC02 i1="01" i2="X"><s0>002A36B03A</s0></fC02><fC02 i1="02" i2="X"><s0>002A16G</s0></fC02><fC03 i1="01" i2="X" l="FRE"><s0>Acide ascorbique</s0><s2>NK</s2><s2>FR</s2><s5>01</s5></fC03><fC03 i1="01" i2="X" l="ENG"><s0>Ascorbic acid</s0><s2>NK</s2><s2>FR</s2><s5>01</s5></fC03><fC03 i1="01" i2="X" l="SPA"><s0>Acido ascórbico</s0><s2>NK</s2><s2>FR</s2><s5>01</s5></fC03><fC03 i1="02" i2="X" l="FRE"><s0>Régime alimentaire</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="ENG"><s0>Diet</s0><s5>02</s5></fC03><fC03 i1="02" i2="X" l="SPA"><s0>Régimen alimentario</s0><s5>02</s5></fC03><fC03 i1="03" i2="X" l="FRE"><s0>Activité enzymatique</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="ENG"><s0>Enzymatic activity</s0><s5>03</s5></fC03><fC03 i1="03" i2="X" l="SPA"><s0>Actividad enzimática</s0><s5>03</s5></fC03><fC03 i1="04" i2="X" l="FRE"><s0>L-Gulonolactone oxidase</s0><s2>FE</s2><s5>04</s5><s6>«L»-Gulonolactone oxidase</s6></fC03><fC03 i1="04" i2="X" l="ENG"><s0>L-Gulonolactone oxidase</s0><s2>FE</s2><s5>04</s5><s6>«L»-Gulonolactone oxidase</s6></fC03><fC03 i1="04" i2="X" l="SPA"><s0>L-Gulonolactone oxidase</s0><s2>FE</s2><s5>04</s5><s6>«L»-Gulonolactone oxidase</s6></fC03><fC03 i1="05" i2="X" l="FRE"><s0>Rein</s0><s5>05</s5></fC03><fC03 i1="05" i2="X" l="ENG"><s0>Kidney</s0><s5>05</s5></fC03><fC03 i1="05" i2="X" l="SPA"><s0>Riñón</s0><s5>05</s5></fC03><fC03 i1="06" i2="X" l="FRE"><s0>Besoin nutritif</s0><s5>06</s5></fC03><fC03 i1="06" i2="X" l="ENG"><s0>Nutrient requirement</s0><s5>06</s5></fC03><fC03 i1="06" i2="X" l="SPA"><s0>Necesidad nutricional</s0><s5>06</s5></fC03><fC03 i1="07" i2="X" l="FRE"><s0>Biosynthèse</s0><s5>07</s5></fC03><fC03 i1="07" i2="X" l="ENG"><s0>Biosynthesis</s0><s5>07</s5></fC03><fC03 i1="07" i2="X" l="SPA"><s0>Biosíntesis</s0><s5>07</s5></fC03><fC03 i1="08" i2="X" l="FRE"><s0>Métabolisme</s0><s5>08</s5></fC03><fC03 i1="08" i2="X" l="ENG"><s0>Metabolism</s0><s5>08</s5></fC03><fC03 i1="08" i2="X" l="SPA"><s0>Metabolismo</s0><s5>08</s5></fC03><fC03 i1="09" i2="X" l="FRE"><s0>Taux croissance</s0><s5>09</s5></fC03><fC03 i1="09" i2="X" l="ENG"><s0>Growth rate</s0><s5>09</s5></fC03><fC03 i1="09" i2="X" l="SPA"><s0>Tasa crecimiento</s0><s5>09</s5></fC03><fC03 i1="10" i2="X" l="FRE"><s0>Survie</s0><s5>10</s5></fC03><fC03 i1="10" i2="X" l="ENG"><s0>Survival</s0><s5>10</s5></fC03><fC03 i1="10" i2="X" l="SPA"><s0>Sobrevivencia</s0><s5>10</s5></fC03><fC03 i1="11" i2="X" l="FRE"><s0>Acipenser fulvescens</s0><s2>NS</s2><s4>INC</s4><s5>64</s5></fC03><fC03 i1="12" i2="X" l="FRE"><s0>Acipenseridae</s0><s2>NS</s2><s4>INC</s4><s5>70</s5></fC03><fC07 i1="01" i2="X" l="FRE"><s0>Oxidoreductases</s0><s2>FE</s2></fC07><fC07 i1="01" i2="X" l="ENG"><s0>Oxidoreductases</s0><s2>FE</s2></fC07><fC07 i1="01" i2="X" l="SPA"><s0>Oxidoreductases</s0><s2>FE</s2></fC07><fC07 i1="02" i2="X" l="FRE"><s0>Enzyme</s0></fC07><fC07 i1="02" i2="X" l="ENG"><s0>Enzyme</s0></fC07><fC07 i1="02" i2="X" l="SPA"><s0>Enzima</s0></fC07><fC07 i1="03" i2="X" l="FRE"><s0>Milieu eau douce</s0><s5>14</s5></fC07><fC07 i1="03" i2="X" l="ENG"><s0>Freshwater environment</s0><s5>14</s5></fC07><fC07 i1="03" i2="X" l="SPA"><s0>Medio agua dulce</s0><s5>14</s5></fC07><fC07 i1="04" i2="X" l="FRE"><s0>Alimentation</s0><s5>15</s5></fC07><fC07 i1="04" i2="X" l="ENG"><s0>Feeding</s0><s5>15</s5></fC07><fC07 i1="04" i2="X" l="SPA"><s0>Alimentación</s0><s5>15</s5></fC07><fC07 i1="05" i2="X" l="FRE"><s0>Aquiculture</s0><s5>16</s5></fC07><fC07 i1="05" i2="X" l="ENG"><s0>Aquaculture</s0><s5>16</s5></fC07><fC07 i1="05" i2="X" l="SPA"><s0>Acuacultura</s0><s5>16</s5></fC07><fC07 i1="06" i2="X" l="FRE"><s0>Pisces</s0><s2>NS</s2><s5>60</s5></fC07><fC07 i1="06" i2="X" l="ENG"><s0>Pisces</s0><s2>NS</s2><s5>60</s5></fC07><fC07 i1="06" i2="X" l="SPA"><s0>Pisces</s0><s2>NS</s2><s5>60</s5></fC07><fC07 i1="07" i2="X" l="FRE"><s0>Vertebrata</s0><s2>NS</s2></fC07><fC07 i1="07" i2="X" l="ENG"><s0>Vertebrata</s0><s2>NS</s2></fC07><fC07 i1="07" i2="X" l="SPA"><s0>Vertebrata</s0><s2>NS</s2></fC07><fN21><s1>319</s1></fN21></pA></standard></inist><affiliations><list><country><li>États-Unis</li></country><region><li>Michigan</li><li>Ohio</li></region><settlement><li>East Lansing</li></settlement><orgName><li>Université d'État du Michigan</li></orgName></list><tree><country name="États-Unis"><region name="Ohio"><name sortKey="Moreau, R" sort="Moreau, R" uniqKey="Moreau R" first="R." last="Moreau">R. Moreau</name></region><name sortKey="Dabrowski, K" sort="Dabrowski, K" uniqKey="Dabrowski K" first="K." last="Dabrowski">K. Dabrowski</name><name sortKey="Sato, P H" sort="Sato, P H" uniqKey="Sato P" first="P. H." last="Sato">P. H. Sato</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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