Trends in the evolution of the prodynorphin gene in teleosts: Cloning of eel and tilapia prodynorphin cDNAs

被引：16
作者：
Alrubaian, J
Lecaude, S
Barba, J
Szynskie, L
Jacobs, N
Bauer, D
Brown, C
Kaminer, I
Bagrosky, B
Dores, RM [1 ]
机构：
[1] Univ Denver, Dept Biol Sci, Denver, CO 80210 USA
[2] Florida Int Univ, N Miami, FL 33181 USA
[3] Kuwait Univ, Dept Biol Sci, Kuwait 13060, Kuwait
来源：
PEPTIDES | 2006年 / 27卷 / 04期
基金：
美国国家科学基金会;
关键词：
teleost; prodynorphin; dynorphin A; dynorphin B; alpha-neoendorphin; enkephalins;
D O I：
10.1016/j.peptides.2005.09.007
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：
The detection of the prodynorphin gene in anuran amphibians and lungfishes may indicate that this gene arose as a result of the duplication of the proenkephalin gene early during the divergence of the Sarcopterygii, or that this gene may predate the divergence of the ray-finned fish and the lobe-finned fish. The cloning of prodynorphin- related genes from the pufferfish and zebrafish supports the latter hypothesis. This study analyzes trends in the radiation of the prodynorphin gene in teleosts. Prodynorphin cDNAs were cloned from the brain of the eel Anguilla rostrata and the Nile tilapia, Oreochromis niloticus. These teleost prodynorphin sequences have distinct a-neoendorphin, dynorphin A, and dynorphin B sequences, and a novel opioid sequence, YGGFI. The relationship of these teleost prodynorphin sequences to other actinopterygian and sarcopterygian prodynorphin sequences will be discussed. (c) 2005 Elsevier Inc. All rights reserved.
引用
收藏
页码：797 / 804
页数：8
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