Gustatory response profiles for amino acids, glycinebetaine, and nucleotides in several marine teleosts.

Ishida, Yusuke; Hidaka, Iwao

doi:10.2331/suisan.53.1391

Cited by 56 publications

(54 citation statements)

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“…Nucleotide-sensitive fibers Although nucleotides are known gustatory stimulants to teleosts (Harada 1986;Hidaka and Ishida 1985;Ishida and Hidaka 1987;Kiyohara et al 1975), the finding that the tryptophan-sensitive group of fibers (28 of 83 fibers analyzed) in the yellowtail was also highly responsive to UMP (Hidaka and Zeng 1989) is contrary to what was found for the majority of amino acid-sensitive fibers in the present report for the channel catfish and for the Japanese puffer (Kiyohara et al 1975 ). For the channel catfish (Fig.…”

Section: Dose-responsecontrasting

confidence: 92%

Responses of single facial taste fibers in the channel catfish, Ictalurus punctatus, to amino acids

Kohbara

Michel²,

Caprio³

1992

Journal of Neurophysiology

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SUMMARYAND CONCLUSIONS 1. Amino acids and nucleotides stimulate taste receptors of teleosts. In this report, responses to these compounds of 105 facial taste fibers (79 fully characterized) that innervate maxillary barbel taste buds of the channel catfish (Ictalurus punctatus) were analyzed.2. The fully characterized facial taste fibers that responded to amino acids ( y2 = 68) were generally poorly responsive to nucleotides and related substances (NRS), whereas the fibers responsive to NRS (~2 = 11) were poorly responsive to amino acids. Spike discharge of the amino acid-responsive fibers to the most potent amino acid stimulus tested per fiber increased 44-fold from a mean spontaneous activity of 2.1 t 3.5 to 92.1 t 42.4 (SD) spikes/3 s. Spike activity of the NRS-responsive fibers to NRS increased 11 S-fold from a mean spontaneous activity of 3.4 t 5.9 to 39.1 t 27.4 spikes/3 s. There was no significant difference between the spontaneous rates, but stimulus evoked spike rates for the amino acid-responsive fibers were significantly greater (P < 0.05; Mann-Whitney test) than those for the NRS-responsive fibers.3. Hierarchical cluster analysis based on the 3-s response time identified three major groups of neurons. The identified clusters comprised neurons that were highly responsive to either L-alanine (i.e., Ala cluster; y1 = 39) L-arginine (i.e., Arg cluster; yt = 29), or NRS (NRS cluster; y1 = 11) . Fibers comprising the Arg cluster were more narrowly tuned than those within the Ala cluster. This report further characterizes the responses to amino acids of the individual facial taste fibers comprising the Ala and Arg clusters.4. Subclusters were evident within both of the amino acid-responsive clusters. The Arg cluster was divisible into two subclusters dependent on the response to 1 mM L-proline. Twelve neurons that were significantly (P < 0.05; Mann-Whitney test) more responsive to L-proline than the remaining 17 neurons within the Arg cluster formed the Arg/ Pro subcluster; these latter 17 neurons comprised the Arg subcluster. However, there was no significant difference (Mann-Whitney test) in the response to L-arginine between fibers within either subcluster across four different response times analyzed. Fibers within the Ala cluster were generally poorly responsive to L-proline. Four alanine subclusters were suggested on the basis of their relative responses to L-alanine, D-alanine, L-arginine, and the NRS; however of the 39 fibers comprising the alanine cluster, two alanine subclusters comprised only two fibers each, and the third subcluster consisted of four fibers. Neuron classification into clusters and subclusters was little influenced by the four different response times analyzed.5. Single-fiber dose-response relationships indicate that the Lproline gustatory receptor is of relatively low affinity in comparison to the receptors for L-alanine and L-arginine. Electrophysiological thresholds of single fibers within the Ala and Arg clusters were approximately nanomolar for L-alanine and L-arginine, respe...

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Section: Dose-responsecontrasting

confidence: 92%

Responses of single facial taste fibers in the channel catfish, Ictalurus punctatus, to amino acids

Kohbara

Michel²,

Caprio³

1992

Journal of Neurophysiology

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“…A cyprinid, Pseudorasbora parva, shows similar response characteristics to that of channel catfish (Kiyohara et al, 1981). A herbivore (Tilapia zillii, Cichlidae) and seven marine species respond to all three types of amino acids (Goh and Tamura, 1980;Hidaka and Ishida, 1985;Ishida and Hidaka, 1987;Johnsen et al, 1990).…”

Section: Amino Acidsmentioning

confidence: 99%

“…Modified from Hara and Zielinski (1989) and Hara (1993b) Kiyohara et al (1975) Hidaka etal. (1985 Ishida and Hidaka (1987) L-ar~nine (L-Arg) only by two carbon chains. Betaine and L-arginiuic acid, but not LArg, also interact with the L-AGPA receptors.…”

Section: Amino Acidsmentioning

confidence: 99%

The diversity of chemical stimulation in fish olfaction and gustation

Hara

1994

Rev Fish Biol Fisheries

256

182

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“…Considering the importance of various behavioral components of fish, it is logical to assume that by adding attractants in the feed, fish can be attracted towards in a shorter period of time, creating the condition for faster ingestion. There have been various attempts towards improvisation of seed rearing performance of fishes with dietary supplementation of different attractants such as Lamino acids like glycine, alanine, proline, betaine, tryptophan (TRP), histidine (Hughes, 1991;Kolkovski, et al, 1997;Sola & Tongiorgi, 1998) and nucleotides like Adenosine monophosphate (AMP), Inosine monophosphate (IMP), Uracil monophosphate (UMP) and ADP (Kiyohara, Hidaka, & Tamura, 1975;Mackie & Adron, 1978;Ishida & Hidaka, 1987). Keeping the beneficial effect of dietary attractants, this study aimed to evaluate the effect of different chemo-attractants during seed rearing of Pabda (Ompok bimaculatus) which is one of the most interesting and promising fish species for diversification in freshwater aquaculture in the Indian sub-continent.…”

Section: Introductionmentioning

confidence: 99%

Untitled

Biswas¹,

Patel²,

Saha³

2018

Turk. J. Fish. Aquat. Sci.

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A 30-days experiment was conducted to evaluate the efficacy of four chemo-attractants viz. DL-alanine, betaine, Ltryptophan (TRP) and inosine monophosphate (IMP) in the diet of Ompok bimaculatus during fry rearing. Fifty numbers of fifteen days weaned fry (0.0739±0.008 g; 2.32±0.06 cm) were stocked into each aerated aquariums (30.0 x 15.0 x 15.0 cm) following a completely randomized design (CRD) consisting of five treatments including control with three replicates each. Five iso-nitrogenous purified diets were prepared including four treatment diets with attractants (2%) replacing the cellulose and fed to the fishes twice a day. The highest growth was observed in the treatment fed with betaine supplemented diet followed by inosine monophosphate whereas, no significant difference was observed among control, DL-alanine and Ltryptophan supplementation. The highest survivability was found in L-tryptophan supplemented diet (48.66±2.4%) followed by betaine, DL-alanine, control and lowest was found in inosine monophosphate treatment (32.00±2.0). It has also observed that there was significant difference (P>0.05) in survival between L-tryptophan and betaine supplemented diets fed groups. It is concluded that the dietary tryptophan supplementation could be a promising aquaculture management strategy for carnivorous fish as it showed significantly better survival without affecting the growth.

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Gustatory response profiles for amino acids, glycinebetaine, and nucleotides in several marine teleosts.

Cited by 56 publications

References 0 publications

Responses of single facial taste fibers in the channel catfish, Ictalurus punctatus, to amino acids

Responses of single facial taste fibers in the channel catfish, Ictalurus punctatus, to amino acids

The diversity of chemical stimulation in fish olfaction and gustation

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