Arrestins expressed in killifish photoreceptor cells

被引：23

作者：

Hisatomi, O ^{[1
]}

Imanishi, Y ^{[1
]}

Satoh, T ^{[1
]}

Tokunaga, F ^{[1
]}

机构：

[1] OSAKA UNIV,GRAD SCH SCI,DEPT EARTH & SPACE SCI,TOYONAKA,OSAKA 560,JAPAN

来源：

FEBS LETTERS | 1997年 / 411卷 / 01期

基金：

日本学术振兴会;

关键词：

arrestin; S-antigen; cDNA cloning; killifish (or medaka; Oryzias latipes); in situ hybridization;

D O I：

10.1016/S0014-5793(97)00640-6

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：

Two kinds of cDNA fragments (KfhArr-R and KfhArr-C) encoding the putative arrestins of killifish, Oryzias latipes, were isolated, The distributions of these transcripts were investigated by in situ hybridization, and it was demonstrated that KfhArr-R and KfhArr-C are expressed in, respectively, rod and all four types of cone cells, The deduced amino acid sequences of KfhArr-R and KfhArr-C are closely related to human S-antigen (rod arrestin) and X-arrestin (cone arrestin), respectively, Phylogenetic analysis of arrestin sequences suggests that vertebrate visual arrestins form a single cluster distinct from other arrestins and diverged to form rod and cone subtypes before the divergence between teleosts and tetrapods, It is speculated that the divergence pattern of vertebrate visual arrestins may prove to be reflected in the divergence of the proteins participating in the respective phototransduction cascades. (C) 1997 Federation of European Biochemical Societies.

引用

页码：12 / 18

页数：7

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