The cytochrome oxidase subunit 1 gene (cox1) from the dinoflagellate, Crypthecodinium cohnii

被引：21

作者：

Norman, JE ^{[1
]}

Gray, MW ^{[1
]}

机构：

[1] DALHOUSIE UNIV,DEPT BIOCHEM,CANADIAN INST ADV RES,PROGRAM EVOLUTIONARY BIOL,HALIFAX,NS B3H 4H7,CANADA

来源：

FEBS LETTERS | 1997年 / 413卷 / 02期

基金：

英国医学研究理事会;

关键词：

cytochrome oxidase; alveolate; codon usage; molecular phylogeny; evolution; (Crypthecodinium cohnii);

D O I：

10.1016/S0014-5793(97)00938-1

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：

To date, no genes have been characterized from dinoflagellate mitochondrial DNA, Here we present the complete sequence of the gene (cox1) encoding subunit 1 of cytochrome c oxidase in the dinoflagellate, Crypthecodinium cohnii. Analysis of nucleotide and deduced amino acid sequences predicts a protein of 523 amino acids that is translated using universal initiation, stop and tryptophan codons. COX1 amino acid identity and phylogenetic tree analyses strongly support a close evolutionary relationship between dinoflagellates and apicomplexans; however, inclusion of the ciliates in this clade is less well supported, a result likely due to the highly derived nature of ciliate COX1 sequences. (C) 1997 Federation of European Biochemical Societies.

引用

页码：333 / 338

页数：6

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