Metabolic organization of the sturgeon Acipenser naccarii A comparative study with rainbow trout Oncorhynchus mykiss
Identifieur interne : 000137 ( PascalFrancis/Corpus ); précédent : 000136; suivant : 000138Metabolic organization of the sturgeon Acipenser naccarii A comparative study with rainbow trout Oncorhynchus mykiss
Auteurs : Miriam Furne ; Ana Sanz ; Manuel Garcia-Gallego ; M. Carmen Hidalgo ; Alberto Domezain ; Julio Domezain ; Amalia E. MoralesSource :
- Aquaculture : (Amsterdam) [ 0044-8486 ] ; 2009.
Descripteurs français
- Pascal (Inist)
English descriptors
- KwdEn :
Abstract
In order to assess the metabolic organization of Acipenser naccarii, a representative species of the ancient ancipenserid chondrosteans, the activity of key enzymes of the main metabolic pathways in the liver, white muscle, and heart, as well as the levels of plasma and tissue metabolites of this sturgeon species have been evaluated and compared to those of the advanced teleost Oncorhynchus mykiss. In general, the epibenthic character of A. naccarii is reflected in the lower specific activity of most enzymes evaluated, in comparison to those of the more active O. mykiss. However, the metabolic organization of this sturgeon species shows some particularities that clearly differed from that of teleosts. Whereas the liver is the main gluconeogenic organ in rainbow trout, both the liver and white muscle of sturgeon possess the same capacity for glucose synthesis, with glycerol being the more suitable glucose precursor. Unlike teleosts, the liver is the main site for lipid storage in sturgeon which would be related to its lower capacity to transport metabolites involved in lipid metabolism. Although the capacity to transport free fatty acids (FFA) is lower in sturgeon than in trout, HOAD activity shows that this acipenserid is able to oxidize fatty acids in extrahepatic tissues such as the heart. Also, both sturgeon and trout showed the same hepatic capacity to oxidize fatty acids. The liver of sturgeon possesses a higher capacity to synthesize ketone bodies than trout which would be a primitive trait to export these compounds as fuels for peripheral tissues in order to offset the low ability to transport FFA in the blood.
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Format Inist (serveur)
NO : | PASCAL 09-0180429 INIST |
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ET : | Metabolic organization of the sturgeon Acipenser naccarii A comparative study with rainbow trout Oncorhynchus mykiss |
AU : | FURNE (Miriam); SANZ (Ana); GARCIA-GALLEGO (Manuel); HIDALGO (M. Carmen); DOMEZAIN (Alberto); DOMEZAIN (Julio); MORALES (Amalia E.) |
AF : | Dpt. Biología Animal, Facultad de Ciencias, Campus Fuentenueva, Universidad de Granada/18071 Granada/Espagne (1 aut., 2 aut., 3 aut., 4 aut., 7 aut.); Dpt. I+D Piscifactoría "Sierra Nevada"/18313 Riofrío, Granada/Espagne (5 aut., 6 aut.) |
DT : | Publication en série; Niveau analytique |
SO : | Aquaculture : (Amsterdam); ISSN 0044-8486; Coden AQCLAL; Pays-Bas; Da. 2009; Vol. 289; No. 1-2; Pp. 161-166; Bibl. 3/4 p. |
LA : | Anglais |
EA : | In order to assess the metabolic organization of Acipenser naccarii, a representative species of the ancient ancipenserid chondrosteans, the activity of key enzymes of the main metabolic pathways in the liver, white muscle, and heart, as well as the levels of plasma and tissue metabolites of this sturgeon species have been evaluated and compared to those of the advanced teleost Oncorhynchus mykiss. In general, the epibenthic character of A. naccarii is reflected in the lower specific activity of most enzymes evaluated, in comparison to those of the more active O. mykiss. However, the metabolic organization of this sturgeon species shows some particularities that clearly differed from that of teleosts. Whereas the liver is the main gluconeogenic organ in rainbow trout, both the liver and white muscle of sturgeon possess the same capacity for glucose synthesis, with glycerol being the more suitable glucose precursor. Unlike teleosts, the liver is the main site for lipid storage in sturgeon which would be related to its lower capacity to transport metabolites involved in lipid metabolism. Although the capacity to transport free fatty acids (FFA) is lower in sturgeon than in trout, HOAD activity shows that this acipenserid is able to oxidize fatty acids in extrahepatic tissues such as the heart. Also, both sturgeon and trout showed the same hepatic capacity to oxidize fatty acids. The liver of sturgeon possesses a higher capacity to synthesize ketone bodies than trout which would be a primitive trait to export these compounds as fuels for peripheral tissues in order to offset the low ability to transport FFA in the blood. |
CC : | 002A36B01; 002A15B |
FD : | Organisation; Etude comparative; Métabolisme intermédiaire; Activité enzymatique; Plasma sanguin; Métabolite; Aquiculture; Oncorhynchus mykiss; Acipenser naccarii |
FG : | Pisces; Vertebrata; Acipenseridae |
ED : | Organization; Comparative study; Intermediary metabolism; Enzymatic activity; Blood plasma; Metabolite; Aquaculture; Oncorhynchus mykiss |
EG : | Pisces; Vertebrata |
SD : | Organización; Estudio comparativo; Metabolismo intermedio; Actividad enzimática; Plasma sanguíneo; Metabolito; Acuicultura; Oncorhynchus mykiss |
LO : | INIST-15964.354000187451750260 |
ID : | 09-0180429 |
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Pascal:09-0180429Le document en format XML
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<front><div type="abstract" xml:lang="en">In order to assess the metabolic organization of Acipenser naccarii, a representative species of the ancient ancipenserid chondrosteans, the activity of key enzymes of the main metabolic pathways in the liver, white muscle, and heart, as well as the levels of plasma and tissue metabolites of this sturgeon species have been evaluated and compared to those of the advanced teleost Oncorhynchus mykiss. In general, the epibenthic character of A. naccarii is reflected in the lower specific activity of most enzymes evaluated, in comparison to those of the more active O. mykiss. However, the metabolic organization of this sturgeon species shows some particularities that clearly differed from that of teleosts. Whereas the liver is the main gluconeogenic organ in rainbow trout, both the liver and white muscle of sturgeon possess the same capacity for glucose synthesis, with glycerol being the more suitable glucose precursor. Unlike teleosts, the liver is the main site for lipid storage in sturgeon which would be related to its lower capacity to transport metabolites involved in lipid metabolism. Although the capacity to transport free fatty acids (FFA) is lower in sturgeon than in trout, HOAD activity shows that this acipenserid is able to oxidize fatty acids in extrahepatic tissues such as the heart. Also, both sturgeon and trout showed the same hepatic capacity to oxidize fatty acids. The liver of sturgeon possesses a higher capacity to synthesize ketone bodies than trout which would be a primitive trait to export these compounds as fuels for peripheral tissues in order to offset the low ability to transport FFA in the blood.</div>
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<s5>64</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE"><s0>Pisces</s0>
<s2>NS</s2>
<s5>29</s5>
</fC07>
<fC07 i1="01" i2="X" l="ENG"><s0>Pisces</s0>
<s2>NS</s2>
<s5>29</s5>
</fC07>
<fC07 i1="01" i2="X" l="SPA"><s0>Pisces</s0>
<s2>NS</s2>
<s5>29</s5>
</fC07>
<fC07 i1="02" i2="X" l="FRE"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="ENG"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="02" i2="X" l="SPA"><s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="03" i2="X" l="FRE"><s0>Acipenseridae</s0>
<s4>INC</s4>
<s5>70</s5>
</fC07>
<fN21><s1>131</s1>
</fN21>
<fN44 i1="01"><s1>OTO</s1>
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<fN82><s1>OTO</s1>
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<server><NO>PASCAL 09-0180429 INIST</NO>
<ET>Metabolic organization of the sturgeon Acipenser naccarii A comparative study with rainbow trout Oncorhynchus mykiss</ET>
<AU>FURNE (Miriam); SANZ (Ana); GARCIA-GALLEGO (Manuel); HIDALGO (M. Carmen); DOMEZAIN (Alberto); DOMEZAIN (Julio); MORALES (Amalia E.)</AU>
<AF>Dpt. Biología Animal, Facultad de Ciencias, Campus Fuentenueva, Universidad de Granada/18071 Granada/Espagne (1 aut., 2 aut., 3 aut., 4 aut., 7 aut.); Dpt. I+D Piscifactoría "Sierra Nevada"/18313 Riofrío, Granada/Espagne (5 aut., 6 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Aquaculture : (Amsterdam); ISSN 0044-8486; Coden AQCLAL; Pays-Bas; Da. 2009; Vol. 289; No. 1-2; Pp. 161-166; Bibl. 3/4 p.</SO>
<LA>Anglais</LA>
<EA>In order to assess the metabolic organization of Acipenser naccarii, a representative species of the ancient ancipenserid chondrosteans, the activity of key enzymes of the main metabolic pathways in the liver, white muscle, and heart, as well as the levels of plasma and tissue metabolites of this sturgeon species have been evaluated and compared to those of the advanced teleost Oncorhynchus mykiss. In general, the epibenthic character of A. naccarii is reflected in the lower specific activity of most enzymes evaluated, in comparison to those of the more active O. mykiss. However, the metabolic organization of this sturgeon species shows some particularities that clearly differed from that of teleosts. Whereas the liver is the main gluconeogenic organ in rainbow trout, both the liver and white muscle of sturgeon possess the same capacity for glucose synthesis, with glycerol being the more suitable glucose precursor. Unlike teleosts, the liver is the main site for lipid storage in sturgeon which would be related to its lower capacity to transport metabolites involved in lipid metabolism. Although the capacity to transport free fatty acids (FFA) is lower in sturgeon than in trout, HOAD activity shows that this acipenserid is able to oxidize fatty acids in extrahepatic tissues such as the heart. Also, both sturgeon and trout showed the same hepatic capacity to oxidize fatty acids. The liver of sturgeon possesses a higher capacity to synthesize ketone bodies than trout which would be a primitive trait to export these compounds as fuels for peripheral tissues in order to offset the low ability to transport FFA in the blood.</EA>
<CC>002A36B01; 002A15B</CC>
<FD>Organisation; Etude comparative; Métabolisme intermédiaire; Activité enzymatique; Plasma sanguin; Métabolite; Aquiculture; Oncorhynchus mykiss; Acipenser naccarii</FD>
<FG>Pisces; Vertebrata; Acipenseridae</FG>
<ED>Organization; Comparative study; Intermediary metabolism; Enzymatic activity; Blood plasma; Metabolite; Aquaculture; Oncorhynchus mykiss</ED>
<EG>Pisces; Vertebrata</EG>
<SD>Organización; Estudio comparativo; Metabolismo intermedio; Actividad enzimática; Plasma sanguíneo; Metabolito; Acuicultura; Oncorhynchus mykiss</SD>
<LO>INIST-15964.354000187451750260</LO>
<ID>09-0180429</ID>
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