The complete sequence of the mitochondrial genome of the crustacean Penaeus monodon:: Are malacostracan crustaceans more closely related to insects than to branchiopods?

被引：191

作者：

Wilson, K ^{[1
]}

Cahill, V ^{[1
]}

Ballment, E ^{[1
]}

Benzie, J ^{[1
]}

机构：

[1] Australian Inst Marine Sci, Townsville, Qld 4810, Australia

来源：

MOLECULAR BIOLOGY AND EVOLUTION | 2000年 / 17卷 / 06期

关键词：

Malacostraca; complete mitochondrial genome sequence; arthropod phylogeny; crustacean/insect relationships; penaeid shrimp;

D O I：

10.1093/oxfordjournals.molbev.a026366

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 complete sequence of the mitochondrial genome of the giant tiger prawn, Penaeus monodon (Arthropoda, Crustacea, Malacostraca), is presented. The gene content and gene order are identical to those observed in Drosophila yakuba. The overall AT composition is lower than that observed in the known insect mitochondrial genomes, but higher than that observed in the other two crustaceans for which complete mitochondrial sequence is available. Analysis of the effect of nucleotide bias on codon composition across the Arthropoda reveals a trend with the crustaceans represented showing the lowest proportion of AT-rich codons in mitochondrial protein genes. Phylogenetic analysis among arthropods using concatenated protein-coding sequences provides further support for the possibility that Crustacea are paraphyletic. Furthermore, in contrast to data from the nuclear gene EF1 alpha, the first complete sequence of a malacostracan mitochondrial genome supports the possibility that Malacostraca are more closely related to Insecta than to Branchiopoda.

引用

页码：863 / 874

页数：12

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