Complete mitochondrial genome of the grass carp (Ctenopharyngodon idella, Teleostei): Insight into its phylogenic position within Cyprinidae

Chenghui Wang, Qin Chen, Guoqing Lu, Jiawei Xu, Qinling Yang, Sifa Li

Research output: Contribution to journalArticle

123 Citations (Scopus)

Abstract

Genome comparison has shed light on many fields of both basic and applied research, including the study of species phylogeny. Grass carp (Ctenopharyngodon idella) belongs to Cyprinidae, the largest freshwater fish family; but which subfamily it belongs to remains a controversial issue. In this study, the complete mitochondrial genome (mitogenome) sequence of grass carp was determined and phylogenetic analyses of all mitochondrial protein-coding genes and a nuclear gene (RAG 2) were conducted to explore the evolutionary relationship of grass carp with other cyprinid species. The mitogenome of grass carp is 16,609 bp in length. As with most other vertebrates, it contains the same gene order and an identical number of genes or regions, including 13 protein-coding genes, two rRNA genes, 22 tRNA genes and one putative control region. Phylogenetic analyses using two different datasets (mitochondrial and nuclear) and three different computational algorithms (Bayesian, MP and ML) all revealed two distinct groups with high statistical support, indicating that Cyprininae and Leuciscinae are two separate, valid subfamilies. Importantly, our phylogenetic result provides strong molecular evidence in support of the placement of Ctenopharyngodon in Leuciscinae rather than in Cyprininae.

Original languageEnglish (US)
Pages (from-to)96-101
Number of pages6
JournalGene
Volume424
Issue number1-2
DOIs
StatePublished - Nov 15 2008

Fingerprint

Cyprinidae
Mitochondrial Genome
Carps
Genes
Gene Order
Mitochondrial Proteins
Phylogeny
Transfer RNA
Fresh Water
rRNA Genes
Vertebrates
Fishes
Genome
Research
Proteins

Keywords

  • Ctenopharyngodon idella
  • Cyprinidae
  • Mitochondrial genome
  • Nuclear gene
  • Subfamily phylogeny

ASJC Scopus subject areas

  • Genetics

Cite this

Complete mitochondrial genome of the grass carp (Ctenopharyngodon idella, Teleostei) : Insight into its phylogenic position within Cyprinidae. / Wang, Chenghui; Chen, Qin; Lu, Guoqing; Xu, Jiawei; Yang, Qinling; Li, Sifa.

In: Gene, Vol. 424, No. 1-2, 15.11.2008, p. 96-101.

Research output: Contribution to journalArticle

Wang, Chenghui ; Chen, Qin ; Lu, Guoqing ; Xu, Jiawei ; Yang, Qinling ; Li, Sifa. / Complete mitochondrial genome of the grass carp (Ctenopharyngodon idella, Teleostei) : Insight into its phylogenic position within Cyprinidae. In: Gene. 2008 ; Vol. 424, No. 1-2. pp. 96-101.
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