EVOLUTIONARY SPECIFICITY OF HYDRINS, NEW HYDROOSMOTIC NEUROPEPTIDES - OCCURRENCE OF HYDRIN-2 (VASOTOCINYL-GLY) IN THE TOAD BUFO-MARINUS BUT NOT IN THE VIPER VIPERA-ASPIS

被引：19

作者：

MICHEL, G

ROUILLE, Y

CHAUVET, MT

CHAUVET, J

ACHER, R

机构：

[1] Laboratory of Biological Chemistry, University of Paris VI, 75006 Paris, 96, Boulevard Raspail

来源：

FEBS LETTERS | 1990年 / 264卷 / 01期

关键词：

Bufo marinus; Differential processing; Hydrin; Neurohypophysial hormone; Neuropeptide; Provasotocin maturation; Vipera aspis;

D O I：

10.1016/0014-5793(90)80783-F

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Hydrin 2 (vasotocinyl-Gly), a hydroosmotic peptide resulting from differential processing of provasotocin and recently identified in frog neurohypophysis, has been looked for in the pituitary gland of an exotic toad (Bufo marinus) and of a reptile (Vipera aspis). Hydrin 2 has been found in the amphibian but not in the reptile. This result confirms the evolutionary specificity of hydrin 2 that has been identified only in frogs and toads but not in birds and reptiles. Occurrence of hydrin 2 is explained by its regulatory function on the water permeability of the skin of anurans. © 1990.

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页码：135 / 137

页数：3

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