Gustatory control of feeding behavior in goldfish

Lamb, Charles F.; Finger, Thomas E.

doi:10.1016/0031-9384(94)00287-f

Cited by 69 publications

(57 citation statements)

References 24 publications

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“…Recordings from fish facial nerves innervating the taste cells of the maxillary and nasal barbels, flank, rostral palate, and lips have revealed that the facial taste system is highly responsive to amino, nucleic, and organic acids (Caprio, 1975;Funakoshi et al, 1981;Caprio et al, 1993). Goldfish (Carassius auratus), although biting diets containing quinine alone, reject them at last, but the fish do not avert a quinine-containing diet if this contains L-Ala together (Lamb and Finger, 1995). Thus, there is a taste-dependent system for diet selection.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Ligands for Fish Taste Receptors

Oike¹,

Nagai²,

Furuyama³

et al. 2007

J. Neurosci.

156

157

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Recent progress in the molecular biology of taste reception has revealed that in mammals, the heteromeric receptors T1R1/3 and T1R2/3 respond to amino acids and sweeteners, respectively, whereas T2Rs are receptors for bitter tastants. Similar taste receptors have also been characterized in fish, but their ligands have not been identified yet. In the present study, we conducted a series of experiments to identify the fish taste receptor ligands. Facial nerve recordings in zebrafish (Danio rerio) demonstrated that the fish perceived amino acids and even denatonium, which is a representative of aversive bitter compounds for mammals and Drosophila. Calcium imaging analysis of T1Rs in zebrafish and medaka fish (Oryzias latipes) using an HEK293T heterologous expression system revealed that both T1R1/3 and a series of T1R2/3 responded to amino acids but not to sugars. A triple-labeling, in situ hybridization analysis demonstrated that cells expressing T1R1/3 and T1R2/3s exist in PLC␤2-expressing taste bud cells of medaka fish. Functional analysis using T2Rs showed that zfT2R5 and mfT2R1 responded to denatonium. Behavior observations confirmed that zebrafish prefer amino acids and avoid denatonium. These results suggest that, although there may be some fish-specific way of discriminating ligands, vertebrates could have a conserved gustatory mechanism by which T1Rs and T2Rs respond to attractive and aversive tastants, respectively.

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Section: Introductionmentioning

confidence: 99%

Characterization of Ligands for Fish Taste Receptors

Oike¹,

Nagai²,

Furuyama³

et al. 2007

J. Neurosci.

156

157

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show abstract

“…Physiologically, the intestinal proline uptake is particularly interesting, because proline appears to be the only amino acid tested here whose transport depends on the extracellular protons. Even though proline is not essential, it is largely present in the body collagen at the extracellular matrix level and it represents a highly effective physiological taste stimulus also detected through olfaction (3,16).…”

Section: Discussionmentioning

confidence: 99%

An l-proline-dependent proton flux is located at the apical membrane level of the eel enterocytes

Ingrosso

Marsigliante

Zonno

et al. 2000

American Journal of Physiology-Regulatory, Integrative and Comp

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Ingrosso, L., S. Marsigliante, V. Zonno, C. Storelli, and S. Vilella. An L-proline-dependent proton flux is located at the apical membrane level of the eel enterocytes. Am J Physiol Regulatory Integrative Comp Physiol 279: R1619-R1624, 2000.-This study has demonstrated the existence of an L-proline-dependent (Na independent) proton flux at the apical membrane level of the eel intestinal absorbing cells. Using isolated eel enterocytes and the pH-sensitive fluorescent dye 2Ј,7Ј-bis-(2-carboxyethyl)-5-(and-6)-carboxyfluorescein, acetoxymethyl ester (BCECF), it was shown that a 20 mM concentration of the imino acid L-proline in the extracellular medium determined an intracellular acidification of ϳ0.28 pH units. However, neither sucrose nor other amino acids were able to significantly acidify the resting intracellular pH. A hyperbolic relationship between extracellular proline concentration and intracellular proton accumulation was observed. Using both isolated brush-border and basolateral membrane vesicles, it was demonstrated that this proline-proton cotransport mechanism was located at the apical membrane level only. In addition, the existence of a coupling mechanism between proline and proton fluxes was demonstrated by the observation that, in brush-border membrane vesicles, the presence of a pH gradient (pH in Ͼ pH out ) stimulated the uptake of L-proline.

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“…Quinine hydrochloride was tested at 10 to 40 mmol l -1 (Sigma-Aldrich) as a positive control, as it is known to be deterrent to some fish (Funakoshi et al, 1981;Lamb and Finger, 1995;Ogawa et al, 1997).…”

Section: Dyementioning

confidence: 99%

Ink From Longfin Inshore Squid, Doryteuthis pealeii, as a Chemical and Visual Defense Against Two Predatory Fishes, Summer Flounder, Paralichthys dentatus, and Sea Catfish, Ariopsis felis

Derby

Tottempudi

Love-Chezem

et al. 2013

The Biological Bulletin

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Abstract. Chemical and visual defenses are used by many organisms to avoid being approached or eaten by predators. An example is inking molluscs-including gastropods such as sea hares and cephalopods such as squid, cuttlefish, and octopus-which release a colored ink upon approach or attack. Previous work showed that ink can protect molluscs through a combination of chemical, visual, and other effects. In this study, we examined the effects of ink from longfin inshore squid, Doryteuthis pealeii, on the behavior of two species of predatory fishes, summer flounder, Paralichthys dentatus, and sea catfish, Ariopsis felis. Using a cloud assay, we found that ink from longfin inshore squid affected the approach phase of predation by summer flounder, primarily through its visual effects. Using a food assay, we found that the ink affected the consummatory and ingestive phase of predation of both sea catfish and summer flounder, through the ink's chemical properties. Fractionation of ink showed that most of its deterrent chemical activity is associated with melanin granules, suggesting that either compounds adhering to these granules or melanin itself are the most biologically active. This work provides the basis for a comparative approach to identify deterrent molecules from inking cephalopods and to examine neural mechanisms whereby these chemicals affect behavior of fish, using the sea catfish as a chemosensory model.

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Gustatory control of feeding behavior in goldfish

Cited by 69 publications

References 24 publications

Characterization of Ligands for Fish Taste Receptors

Characterization of Ligands for Fish Taste Receptors

An l-proline-dependent proton flux is located at the apical membrane level of the eel enterocytes

Ink From Longfin Inshore Squid, Doryteuthis pealeii, as a Chemical and Visual Defense Against Two Predatory Fishes, Summer Flounder, Paralichthys dentatus, and Sea Catfish, Ariopsis felis

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