THE RAT BETA-3-ADRENERGIC RECEPTOR GENE CONTAINS AN INTRON

被引:41
作者
BENSAID, M [1 ]
KAGHAD, M [1 ]
RODRIGUEZ, M [1 ]
LEFUR, G [1 ]
CAPUT, D [1 ]
机构
[1] SANOFI ELF BIORECH,BIOL MOLEC LAB,BP 137,F-31676 LABEGE,FRANCE
关键词
BETA-3-ADRENERGIC RECEPTOR; INTRON; POLYMERASE CHAIN REACTION;
D O I
10.1016/0014-5793(93)80516-W
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
We report that the rat beta3-adrenergic receptor (beta3-AR) gene has an intron. The intron starts with an in-frame stop codon with the result that unspliced transcripts will encode a C-terminal truncated protein. The reported protein sequences of mouse and human beta3-AR were both deduced from genomic DNA sequences. Given the heterogeneity at the C-termini of the otherwise highly similar rat, mouse and human sequences, we discuss the intriguing possibility that the beta3-AR gene of the latter two species also contain an intron near the extremity of the open reading frame. A beta-adrenergic receptor (beta-AR) cDNA we have cloned from rat colonic tissue which has a sequence essentially identical to that previously reported for the rat adipose beta3-AR cDNA [(1991) J. Chem. 266, 24053], encodes the spliced version of the beta3-AR.
引用
收藏
页码:223 / 226
页数:4
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