EsturgeonV1, PascalFrancis, Corpus, bibRecord, 000290

Factors controlling the bioavailability of ingested methylmercury to channel catfish and Atlantic sturgeon

Identifieur interne : 000290 ( PascalFrancis/Corpus ); précédent : 000289; suivant : 000291

Factors controlling the bioavailability of ingested methylmercury to channel catfish and Atlantic sturgeon

Auteurs : J. O. Y. J. Leaner ; Robert P. Mason

Source :

Environmental science & technology [ 0013-936X ] ; 2002.

RBID : Pascal:03-0394823

Descripteurs français

Pascal (Inist)
- Polluant, Mercure composé, Biodisponibilité, Digestion, Ictalurus punctatus, Acipenser oxyrinchus, Methymercure.

English descriptors

KwdEn :
- Bioavailability, Digestion, Ictalurus punctatus, Mercury compound, Pollutant.

Abstract

The bioavailability of ingested methylmercury (CH₃Hg(II)) was investigated in vitro using the gastric and intestinal fluids of channel catfish, Ictalurus punctatus, and Atlantic sturgeon, Acipenser oxyrinchus. Gastric fluid collected from each species was incubated with CH₃Hg(II)-spiked sediment or bloodworms, after which the intestinal fluid of each species was added and incubated further. The proportion of CH₃Hg(II) solubilized from bloodworms and sediment appeared to be controlled by complexation to amino acids in both the stomach and the intestinal fluids during the digestive process, with the more thorough digestion of bloodworm organic material enhancing CH₃Hg(II) solubilization. A greater proportion of CH₃Hg(II) was solubilized by the sturgeon fluids compared to the catfish fluids, especially for the sediment incubations. These differences corresponded to the relative amount of amino acids in the fluids of these fish. A comparison of the catfish gastrointestinal solubilization incubations and a CH₃-Hg(II) bioaccumulation experiment with bloodworms revealed that the solubilization incubations may be a reasonable surrogate measurement of the bioavailability of CH₃Hg(II)to fish. Overall, it appears that digestive processes is the most important controlling factor in the bioavailability of CH₃Hg(II) to fish.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

A01	`01`	`1`		`@0 0013-936X`
A02	`01`			`@0 ESTHAG`
A03		`1`		`@0 Environ. sci. technol.`
A05				`@2 36`
A06				`@2 23`
A08	`01`	`1`	`ENG`	`@1 Factors controlling the bioavailability of ingested methylmercury to channel catfish and Atlantic sturgeon`
A11	`01`	`1`		`@1 LEANER (J. O. Y. J.)`
A11	`02`	`1`		`@1 MASON (Robert P.)`
A14	`01`			`@1 Chesapeake Biological Laboratory, University of Maryland, Center for Environmental Science, P.O. Box 38 @2 Solomons, Maryland 20688 @3 USA @Z 1 aut. @Z 2 aut.`
A20				`@1 5124-5129`
A21				`@1 2002`
A23	`01`			`@0 ENG`
A43	`01`			`@1 INIST @2 13615 @5 354000118280020280`
A44				`@0 0000 @1 © 2003 INIST-CNRS. All rights reserved.`
A45				`@0 39 ref.`
A47	`01`	`1`		`@0 03-0394823`
A60				`@1 P`
A61				`@0 A`
A64	`01`	`1`		`@0 Environmental science & technology`
A66	`01`			`@0 USA`
C01	`01`		`ENG`	@0 The bioavailability of ingested methylmercury (CH₃Hg(II)) was investigated in vitro using the gastric and intestinal fluids of channel catfish, Ictalurus punctatus, and Atlantic sturgeon, Acipenser oxyrinchus. Gastric fluid collected from each species was incubated with CH₃Hg(II)-spiked sediment or bloodworms, after which the intestinal fluid of each species was added and incubated further. The proportion of CH₃Hg(II) solubilized from bloodworms and sediment appeared to be controlled by complexation to amino acids in both the stomach and the intestinal fluids during the digestive process, with the more thorough digestion of bloodworm organic material enhancing CH₃Hg(II) solubilization. A greater proportion of CH₃Hg(II) was solubilized by the sturgeon fluids compared to the catfish fluids, especially for the sediment incubations. These differences corresponded to the relative amount of amino acids in the fluids of these fish. A comparison of the catfish gastrointestinal solubilization incubations and a CH₃-Hg(II) bioaccumulation experiment with bloodworms revealed that the solubilization incubations may be a reasonable surrogate measurement of the bioavailability of CH₃Hg(II)to fish. Overall, it appears that digestive processes is the most important controlling factor in the bioavailability of CH₃Hg(II) to fish.
C02	`01`	`X`		`@0 002A14D05H1`
C03	`01`	`X`	`FRE`	`@0 Polluant @5 01`
C03	`01`	`X`	`ENG`	`@0 Pollutant @5 01`
C03	`01`	`X`	`SPA`	`@0 Contaminante @5 01`
C03	`02`	`X`	`FRE`	`@0 Mercure composé @5 02`
C03	`02`	`X`	`ENG`	`@0 Mercury compound @5 02`
C03	`02`	`X`	`SPA`	`@0 Mercurio compuesto @5 02`
C03	`03`	`X`	`FRE`	`@0 Biodisponibilité @5 03`
C03	`03`	`X`	`ENG`	`@0 Bioavailability @5 03`
C03	`03`	`X`	`SPA`	`@0 Biodisponibilidad @5 03`
C03	`04`	`X`	`FRE`	`@0 Digestion @5 04`
C03	`04`	`X`	`ENG`	`@0 Digestion @5 04`
C03	`04`	`X`	`SPA`	`@0 Digestión @5 04`
C03	`05`	`X`	`FRE`	`@0 Ictalurus punctatus @2 NS @5 56`
C03	`05`	`X`	`ENG`	`@0 Ictalurus punctatus @2 NS @5 56`
C03	`05`	`X`	`SPA`	`@0 Ictalurus punctatus @2 NS @5 56`
C03	`06`	`X`	`FRE`	`@0 Acipenser oxyrinchus @2 NS @4 INC @5 64`
C03	`07`	`X`	`FRE`	`@0 Methymercure @4 INC @5 92`
C07	`01`	`X`	`FRE`	`@0 Milieu marin @5 14`
C07	`01`	`X`	`ENG`	`@0 Marine environment @5 14`
C07	`01`	`X`	`SPA`	`@0 Medio marino @5 14`
C07	`02`	`X`	`FRE`	`@0 Milieu eau douce @5 16`
C07	`02`	`X`	`ENG`	`@0 Freshwater environment @5 16`
C07	`02`	`X`	`SPA`	`@0 Medio agua dulce @5 16`
C07	`03`	`X`	`FRE`	`@0 Pisces @2 NS`
C07	`03`	`X`	`ENG`	`@0 Pisces @2 NS`
C07	`03`	`X`	`SPA`	`@0 Pisces @2 NS`
C07	`04`	`X`	`FRE`	`@0 Vertebrata @2 NS`
C07	`04`	`X`	`ENG`	`@0 Vertebrata @2 NS`
C07	`04`	`X`	`SPA`	`@0 Vertebrata @2 NS`
C07	`05`	`X`	`FRE`	`@0 Acipenseridae @2 NS @4 INC @5 70`
C07	`06`	`X`	`FRE`	`@0 Ictaluridae @2 NS @4 INC @5 71`
N21				`@1 279`
N82				`@1 PSI`

Format Inist (serveur)

NO :	PASCAL 03-0394823 INIST
ET :	Factors controlling the bioavailability of ingested methylmercury to channel catfish and Atlantic sturgeon
AU :	LEANER (J. O. Y. J.); MASON (Robert P.)
AF :	Chesapeake Biological Laboratory, University of Maryland, Center for Environmental Science, P.O. Box 38/Solomons, Maryland 20688/Etats-Unis (1 aut., 2 aut.)
DT :	Publication en série; Niveau analytique
SO :	Environmental science & technology; ISSN 0013-936X; Coden ESTHAG; Etats-Unis; Da. 2002; Vol. 36; No. 23; Pp. 5124-5129; Bibl. 39 ref.
LA :	Anglais
EA :	The bioavailability of ingested methylmercury (CH₃Hg(II)) was investigated in vitro using the gastric and intestinal fluids of channel catfish, Ictalurus punctatus, and Atlantic sturgeon, Acipenser oxyrinchus. Gastric fluid collected from each species was incubated with CH₃Hg(II)-spiked sediment or bloodworms, after which the intestinal fluid of each species was added and incubated further. The proportion of CH₃Hg(II) solubilized from bloodworms and sediment appeared to be controlled by complexation to amino acids in both the stomach and the intestinal fluids during the digestive process, with the more thorough digestion of bloodworm organic material enhancing CH₃Hg(II) solubilization. A greater proportion of CH₃Hg(II) was solubilized by the sturgeon fluids compared to the catfish fluids, especially for the sediment incubations. These differences corresponded to the relative amount of amino acids in the fluids of these fish. A comparison of the catfish gastrointestinal solubilization incubations and a CH₃-Hg(II) bioaccumulation experiment with bloodworms revealed that the solubilization incubations may be a reasonable surrogate measurement of the bioavailability of CH₃Hg(II)to fish. Overall, it appears that digestive processes is the most important controlling factor in the bioavailability of CH₃Hg(II) to fish.
CC :	002A14D05H1
FD :	Polluant; Mercure composé; Biodisponibilité; Digestion; Ictalurus punctatus; Acipenser oxyrinchus; Methymercure
FG :	Milieu marin; Milieu eau douce; Pisces; Vertebrata; Acipenseridae; Ictaluridae
ED :	Pollutant; Mercury compound; Bioavailability; Digestion; Ictalurus punctatus
EG :	Marine environment; Freshwater environment; Pisces; Vertebrata
SD :	Contaminante; Mercurio compuesto; Biodisponibilidad; Digestión; Ictalurus punctatus
LO :	INIST-13615.354000118280020280
ID :	03-0394823

Links to Exploration step

Pascal:03-0394823

Le document en format XML

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<front><div type="abstract" xml:lang="en">The bioavailability of ingested methylmercury (CH<sub>3</sub>
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Hg(II)-spiked sediment or bloodworms, after which the intestinal fluid of each species was added and incubated further. The proportion of CH<sub>3</sub>
Hg(II) solubilized from bloodworms and sediment appeared to be controlled by complexation to amino acids in both the stomach and the intestinal fluids during the digestive process, with the more thorough digestion of bloodworm organic material enhancing CH<sub>3</sub>
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Hg(II) was solubilized by the sturgeon fluids compared to the catfish fluids, especially for the sediment incubations. These differences corresponded to the relative amount of amino acids in the fluids of these fish. A comparison of the catfish gastrointestinal solubilization incubations and a CH<sub>3</sub>
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<server><NO>PASCAL 03-0394823 INIST</NO>
<ET>Factors controlling the bioavailability of ingested methylmercury to channel catfish and Atlantic sturgeon</ET>
<AU>LEANER (J. O. Y. J.); MASON (Robert P.)</AU>
<AF>Chesapeake Biological Laboratory, University of Maryland, Center for Environmental Science, P.O. Box 38/Solomons, Maryland 20688/Etats-Unis (1 aut., 2 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Environmental science & technology; ISSN 0013-936X; Coden ESTHAG; Etats-Unis; Da. 2002; Vol. 36; No. 23; Pp. 5124-5129; Bibl. 39 ref.</SO>
<LA>Anglais</LA>
<EA>The bioavailability of ingested methylmercury (CH<sub>3</sub>
Hg(II)) was investigated in vitro using the gastric and intestinal fluids of channel catfish, Ictalurus punctatus, and Atlantic sturgeon, Acipenser oxyrinchus. Gastric fluid collected from each species was incubated with CH<sub>3</sub>
Hg(II)-spiked sediment or bloodworms, after which the intestinal fluid of each species was added and incubated further. The proportion of CH<sub>3</sub>
Hg(II) solubilized from bloodworms and sediment appeared to be controlled by complexation to amino acids in both the stomach and the intestinal fluids during the digestive process, with the more thorough digestion of bloodworm organic material enhancing CH<sub>3</sub>
Hg(II) solubilization. A greater proportion of CH<sub>3</sub>
Hg(II) was solubilized by the sturgeon fluids compared to the catfish fluids, especially for the sediment incubations. These differences corresponded to the relative amount of amino acids in the fluids of these fish. A comparison of the catfish gastrointestinal solubilization incubations and a CH<sub>3</sub>
-Hg(II) bioaccumulation experiment with bloodworms revealed that the solubilization incubations may be a reasonable surrogate measurement of the bioavailability of CH<sub>3</sub>
Hg(II)to fish. Overall, it appears that digestive processes is the most important controlling factor in the bioavailability of CH<sub>3</sub>
Hg(II) to fish.</EA>
<CC>002A14D05H1</CC>
<FD>Polluant; Mercure composé; Biodisponibilité; Digestion; Ictalurus punctatus; Acipenser oxyrinchus; Methymercure</FD>
<FG>Milieu marin; Milieu eau douce; Pisces; Vertebrata; Acipenseridae; Ictaluridae</FG>
<ED>Pollutant; Mercury compound; Bioavailability; Digestion; Ictalurus punctatus</ED>
<EG>Marine environment; Freshwater environment; Pisces; Vertebrata</EG>
<SD>Contaminante; Mercurio compuesto; Biodisponibilidad; Digestión; Ictalurus punctatus</SD>
<LO>INIST-13615.354000118280020280</LO>
<ID>03-0394823</ID>
</server>
</inist>
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   |texte=   Factors controlling the bioavailability of ingested methylmercury to channel catfish and Atlantic sturgeon
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Factors controlling the bioavailability of ingested methylmercury to channel catfish and Atlantic sturgeon

Factors controlling the bioavailability of ingested methylmercury to channel catfish and Atlantic sturgeon

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