Aquaporin molecular characterization in the sea bass (Dicentrarchus labrax): The effect of salinity on AQP1 and AQP3 expression

I Giffard-Mena; V Boulo; F Aujoulat; H Fowden; R Castille; G Charmantier; Gordon Cramb

doi:10.1016/j.cbpa.2007.06.002

Aquaporin molecular characterization in the sea bass (Dicentrarchus labrax): The effect of salinity on AQP1 and AQP3 expression

I Giffard-Mena, V Boulo, F Aujoulat, H Fowden, R Castille, G Charmantier, Gordon Cramb

School of Medicine

Research output: Contribution to journal › Article › peer-review

Abstract

Euryhaline fish possess the ability to compensate for environmental salinity changes through hydro-mineral regulation. A number of proteins have been studied in order to understand water and ion exchanges, known as fish osmoregulation. Sea-bass (Dicentrarchus labrax) cDNA sequences encoding a homologue of mammalian aquaporin (termed AQP1) and a homologue of mammalian aquaglyceroporin (termed AQP3) have been isolated and sequenced. The aquaporin amino acid sequences share respectively more than 60% and 65% identity with other known aquaporins. We have shown that salinity influences aquaporin expression levels in the gill, kidney and digestive tract, the main osmoregulatory organs. AQP1 may have a major osmoregulatory role in water transport in kidney and gut in SW-acclimated fish, whereas AQP3 could be implicated in gill water transport in FW-acclimated fish. (c) 2007 Elsevier Inc. All rights reserved.

Original language	English
Pages (from-to)	430-444
Number of pages	15
Journal	Comparative Biochemistry and Physiology
Volume	149A
DOIs	https://doi.org/10.1016/j.cbpa.2007.06.002
Publication status	Published - Oct 2007

Keywords

aquaporins
gill
intestine
kidney
osmoregulation
salinity adaptation
teleost fish
water channel
EEL ANGUILLA-ANGUILLA
EUROPEAN EEL
FRESH-WATER
SEAWATER ACCLIMATION
CHLORIDE CELLS
CORTISOL TREATMENT
GILL EPITHELIUM
URINARY SYSTEM
OSMOREGULATION
PROTEIN

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10.1016/j.cbpa.2007.06.002

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title = "Aquaporin molecular characterization in the sea bass (Dicentrarchus labrax): The effect of salinity on AQP1 and AQP3 expression",

abstract = "Euryhaline fish possess the ability to compensate for environmental salinity changes through hydro-mineral regulation. A number of proteins have been studied in order to understand water and ion exchanges, known as fish osmoregulation. Sea-bass (Dicentrarchus labrax) cDNA sequences encoding a homologue of mammalian aquaporin (termed AQP1) and a homologue of mammalian aquaglyceroporin (termed AQP3) have been isolated and sequenced. The aquaporin amino acid sequences share respectively more than 60% and 65% identity with other known aquaporins. We have shown that salinity influences aquaporin expression levels in the gill, kidney and digestive tract, the main osmoregulatory organs. AQP1 may have a major osmoregulatory role in water transport in kidney and gut in SW-acclimated fish, whereas AQP3 could be implicated in gill water transport in FW-acclimated fish. (c) 2007 Elsevier Inc. All rights reserved.",

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author = "I Giffard-Mena and V Boulo and F Aujoulat and H Fowden and R Castille and G Charmantier and Gordon Cramb",

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doi = "10.1016/j.cbpa.2007.06.002",

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AU - Giffard-Mena, I

AU - Boulo, V

AU - Aujoulat, F

AU - Fowden, H

AU - Castille, R

AU - Charmantier, G

AU - Cramb, Gordon

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AB - Euryhaline fish possess the ability to compensate for environmental salinity changes through hydro-mineral regulation. A number of proteins have been studied in order to understand water and ion exchanges, known as fish osmoregulation. Sea-bass (Dicentrarchus labrax) cDNA sequences encoding a homologue of mammalian aquaporin (termed AQP1) and a homologue of mammalian aquaglyceroporin (termed AQP3) have been isolated and sequenced. The aquaporin amino acid sequences share respectively more than 60% and 65% identity with other known aquaporins. We have shown that salinity influences aquaporin expression levels in the gill, kidney and digestive tract, the main osmoregulatory organs. AQP1 may have a major osmoregulatory role in water transport in kidney and gut in SW-acclimated fish, whereas AQP3 could be implicated in gill water transport in FW-acclimated fish. (c) 2007 Elsevier Inc. All rights reserved.

KW - aquaporins

KW - gill

KW - intestine

KW - kidney

KW - osmoregulation

KW - salinity adaptation

KW - teleost fish

KW - water channel

KW - EEL ANGUILLA-ANGUILLA

KW - EUROPEAN EEL

KW - FRESH-WATER

KW - SEAWATER ACCLIMATION

KW - CHLORIDE CELLS

KW - CORTISOL TREATMENT

KW - GILL EPITHELIUM

KW - URINARY SYSTEM

KW - OSMOREGULATION

KW - PROTEIN

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DO - 10.1016/j.cbpa.2007.06.002

M3 - Article

SN - 0010-406X

VL - 149A

SP - 430

EP - 444

JO - Comparative Biochemistry and Physiology

JF - Comparative Biochemistry and Physiology

ER -

Aquaporin molecular characterization in the sea bass (Dicentrarchus labrax): The effect of salinity on AQP1 and AQP3 expression

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Keywords

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