EdenteV2, Main, Exploration, bibRecord, 00C008

Indole-, imidazole- and phenyl-alkylamines in the skin of one hundred and forty american amphibian species other than bufonids

Identifieur interne : 00C008 ( Main/Exploration ); précédent : 00C007; suivant : 00C009

Indole-, imidazole- and phenyl-alkylamines in the skin of one hundred and forty american amphibian species other than bufonids

Auteurs : M. Roseghini [Argentine] ; V. Erspamer [Argentine] ; G. Falconieri Erspamer [Argentine] ; J. M. Cei [Argentine]

Source :

Comparative Biochemistry and Physiology, Part C: Comparative Pharmacology [ 0306-4492 ] ; 1988.

RBID : ISTEX:0E0C5563354CA185C7BB5966C69995D759CF00FA

Descripteurs français

Wicri :
- geographic : Argentine, Équateur.
- topic : Méthanol.

English descriptors

KwdEn :
- Active peptides, Alumina columns, American amphibians, Amine, Amphibian, Amphibian skin, Amphibian species, April, Argentina, August, Average weight, Biogenic, Biogenic amines, Candicine, Costa, Dengleri, Derivative, Ecuador, Erspamer, Evolutionary significance, Frog, Genus, Histamine, Hyla, Indole, Indolealkylamines, Janeiro, Labyrinthicus, Large amounts, Leptodactyline, Leptodactylus, Leptodactylus pentadactylus labyrinthicus, Leptodactylus skin, Methanol, Methanol extracts, Pentadactylus, Pentadactylus dengleri, Pentadactylus labyrinthicus, Peptide, Phyllomedusa, Pleurodema, Rana, Rica, Roseghini, Sept, Skin, Skin extracts, Species source, Trace amounts, Tucuman, Whole bodies.
Teeft :
- Active peptides, Alumina columns, American amphibians, Amine, Amphibian, Amphibian skin, Amphibian species, April, Argentina, August, Average weight, Biogenic, Biogenic amines, Candicine, Costa, Dengleri, Derivative, Ecuador, Erspamer, Evolutionary significance, Frog, Genus, Histamine, Hyla, Indole, Indolealkylamines, Janeiro, Labyrinthicus, Large amounts, Leptodactyline, Leptodactylus, Leptodactylus pentadactylus labyrinthicus, Leptodactylus skin, Methanol, Methanol extracts, Pentadactylus, Pentadactylus dengleri, Pentadactylus labyrinthicus, Peptide, Phyllomedusa, Pleurodema, Rana, Rica, Roseghini, Sept, Skin, Skin extracts, Species source, Trace amounts, Tucuman, Whole bodies.

Abstract

Abstract: 1. 1. Extracts prepared from dried or fresh skins of 140 American amphibian species, other than bufonids, were subjected to chemical and biological screening in order to determine the presence and concentrations of aromatic biogenic amines. 2. 2. The most frequent and abundantly occurring amine category was that of indolealkylamines, represented by their prototype 5-hydroxytryptamine and its N-methylated derivatives. Conjugated and cyclized indolealkylamines, typical for the toad skin, were apparently lacking. 3. 3. Phenylalkylamines were represented by two quaternary ammonium bases: leptodactyline and, very rarely, candicine. Leptodactyline was particularly abundant in leptodactylid frogs of the genus Leptodactylus. 4. 4. Histamine occurred in trace amounts in different species, in large amounts only in some Leptodactylus species of the “pachypus” section. On the other hand, N-methylated histamines and cyclized histamines (spinaceamines) were confined to the skin of Leptodactylus pentadactylus labyrinthicus. 5. 5. The possible taxonomical and evolutionary significance of amphibian skin amines is pointed out.

Url:

https://api.istex.fr/document/0E0C5563354CA185C7BB5966C69995D759CF00FA/fulltext/pdf

DOI: 10.1016/0742-8413(86)90064-2

Affiliations:

Argentine

Links toward previous steps (curation, corpus...)

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Le document en format XML

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<front><div type="abstract" xml:lang="en">Abstract: 1. 1. Extracts prepared from dried or fresh skins of 140 American amphibian species, other than bufonids, were subjected to chemical and biological screening in order to determine the presence and concentrations of aromatic biogenic amines. 2. 2. The most frequent and abundantly occurring amine category was that of indolealkylamines, represented by their prototype 5-hydroxytryptamine and its N-methylated derivatives. Conjugated and cyclized indolealkylamines, typical for the toad skin, were apparently lacking. 3. 3. Phenylalkylamines were represented by two quaternary ammonium bases: leptodactyline and, very rarely, candicine. Leptodactyline was particularly abundant in leptodactylid frogs of the genus Leptodactylus. 4. 4. Histamine occurred in trace amounts in different species, in large amounts only in some Leptodactylus species of the “pachypus” section. On the other hand, N-methylated histamines and cyclized histamines (spinaceamines) were confined to the skin of Leptodactylus pentadactylus labyrinthicus. 5. 5. The possible taxonomical and evolutionary significance of amphibian skin amines is pointed out.</div>
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Indole-, imidazole- and phenyl-alkylamines in the skin of one hundred and forty american amphibian species other than bufonids

Indole-, imidazole- and phenyl-alkylamines in the skin of one hundred and forty american amphibian species other than bufonids

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri