Complete mitochondrial genome of the Critically Endangered Smalltooth Sawfish Pristis pectinata (Rajiformes: Pristidae)

Xiao Chen, Tonya Wiley, Peter M. Kyne, Pierre Feutry

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    Abstract

    In this study we describe the first complete mitochondrial sequence of the Critically Endangered Smalltooth Sawfish Pristis pectinata. It is 16, 802 bp in length and contains all 37 genes found in typical vertebrate mitogenomes. The nucleotide composition of the coding strand is 31.1% A, 26.0% C, 13.1% G and 28.9% T. There are 29 bp overlaps and 38 short intergenic spaces dispersed in the mitogenome. Two start codons (ATG and GTG) and two stop codons (TAG and TAA/T) were found in the protein-coding genes. The length of the 22 tRNA genes range from 67 bp (tRNASer2) to 75 bp (tRNALeu1). The control region is 1102 bp in length with high A + T (62.0%) and poor G (13.5%) content.

    Original languageEnglish
    Pages (from-to)3331-3332
    Number of pages2
    JournalMitochondrial DNA Part A: DNA Mapping, Sequencing, and Analysis
    Volume27
    Issue number5
    Early online date11 May 2015
    DOIs
    Publication statusPublished - 2016

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    Skates (Fish)
    Mitochondrial Genome
    Initiator Codon
    Terminator Codon
    Transfer RNA
    Genes
    Vertebrates
    Nucleotides
    Proteins

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    title = "Complete mitochondrial genome of the Critically Endangered Smalltooth Sawfish Pristis pectinata (Rajiformes: Pristidae)",
    abstract = "In this study we describe the first complete mitochondrial sequence of the Critically Endangered Smalltooth Sawfish Pristis pectinata. It is 16, 802 bp in length and contains all 37 genes found in typical vertebrate mitogenomes. The nucleotide composition of the coding strand is 31.1{\%} A, 26.0{\%} C, 13.1{\%} G and 28.9{\%} T. There are 29 bp overlaps and 38 short intergenic spaces dispersed in the mitogenome. Two start codons (ATG and GTG) and two stop codons (TAG and TAA/T) were found in the protein-coding genes. The length of the 22 tRNA genes range from 67 bp (tRNASer2) to 75 bp (tRNALeu1). The control region is 1102 bp in length with high A + T (62.0{\%}) and poor G (13.5{\%}) content.",
    keywords = "Mitochondrial genome, Pristis pectinata, Threatened species",
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    Complete mitochondrial genome of the Critically Endangered Smalltooth Sawfish Pristis pectinata (Rajiformes: Pristidae). / Chen, Xiao; Wiley, Tonya; Kyne, Peter M.; Feutry, Pierre.

    In: Mitochondrial DNA Part A: DNA Mapping, Sequencing, and Analysis, Vol. 27, No. 5, 2016, p. 3331-3332.

    Research output: Contribution to journalArticleResearchpeer-review

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    AB - In this study we describe the first complete mitochondrial sequence of the Critically Endangered Smalltooth Sawfish Pristis pectinata. It is 16, 802 bp in length and contains all 37 genes found in typical vertebrate mitogenomes. The nucleotide composition of the coding strand is 31.1% A, 26.0% C, 13.1% G and 28.9% T. There are 29 bp overlaps and 38 short intergenic spaces dispersed in the mitogenome. Two start codons (ATG and GTG) and two stop codons (TAG and TAA/T) were found in the protein-coding genes. The length of the 22 tRNA genes range from 67 bp (tRNASer2) to 75 bp (tRNALeu1). The control region is 1102 bp in length with high A + T (62.0%) and poor G (13.5%) content.

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