Research article summary (published 30 Jul 2009):

The complete mitochondrial genome of the RR-B strain of swordtail (Xiphophorus helleri).

Full Abstract

BACKGROUND AND AIMS: The swordtail (Xiphophorus helleri) has been used in studies of behavior, phylogenetics, genetics, physiology, cell biology, cancer research, and biomedicine. Mitochondrial DNA (mtDNA) studies are of pressing need in order to assess the population history of the species. MATERIALS AND METHOD: In this study, we present the complete mtDNA genome sequence of two specimens: one from a RR-B strain, a 27-generation inbred line; and one non-selective swordtail with red eyes and red body color from the Guangzhou market, measuring 16,638 and 16,635 bp, respectively. RESULTS: The genome comprises 13 protein-coding genes, 22 tRNAs, two rRNAs and a major non-coding region. The comparison of the two specimens' mitogenomes revealed a relatively low number (57) of single nucleotide polymorphisms-29 located in protein-coding genes, 11 in rRNA genes, six in tRNA genes, and six in the non-coding region. CONCLUSION: We present an important genetic resource for the RR-B strain of swordtails and swordtail species in general.

Author information

Author/s: Bai, Jun-Jie (JJ); Liu, Yu-Fei (YF); Quan, Ying-Chun (YC); He, Xiao-Ping (XP); Ye, Xing (X);

Affiliation: Key Laboratory of Tropical and Subtropical Fish Breeding & Cultivation, CAFS, Pearl River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou, People's Republic of China. jjbai(-atsign-)163.net

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Mitochondrial DNA (Mitochondrial DNA), published in England. (Language: eng)

Reference: 2009-Aug; vol 20 (issue 4) : pp 72-7

Dates: Created 2009/07/27; Completed 2009/10/09;

PMID: 19575330, status: MEDLINE (last retrieval date: 10/9/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Animals Animals, Inbred Strains Cyprinodontiformes - genetics Genes, Mitochondrial - genetics Genome, Mitochondrial - genetics

Mitochondrial Proteins - genetics RNA, Ribosomal - genetics RNA, Transfer - genetics RNA, Untranslated - genetics Sequence Analysis, DNA

Associated Chemicals: Mitochondrial Proteins (0) ; RNA, Ribosomal (0) ; RNA, Untranslated (0) ; RNA, Transfer (9014-25-9)

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