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Mitochondrial DNA Part B
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Volume 4, 2019 - Issue 1
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Mito Communication

Unique mitochondrial gene order in Xenodermichthys copei (Alepocephalidae: Otocephala) – a first observation of a large-scale rearranged 16S–WANCY region in vertebrates

Jan Yde PoulsenDepartment of Fish and Shellfish, Pinngortitaleriffik (Greenland Institute of Natural Resources), Nuuk, Greenland; ;Department of Ecology and Environmental Sciences, Natural History Museum and Institute, Chiba, JapanCorrespondence[email protected]
ORCID Iconhttp://orcid.org/0000-0003-2137-0759
ORCID Icon,
Tetsuya SadoDepartment of Ecology and Environmental Sciences, Natural History Museum and Institute, Chiba, Japan
&
Masaki MiyaDepartment of Ecology and Environmental Sciences, Natural History Museum and Institute, Chiba, Japan
Pages 511-514 | Received 29 Oct 2018, Accepted 18 Nov 2018, Published online: 20 Jan 2019

Figures & data

Figure 1 (A) Canonical gene order observed in most vertebrates. The mitogenome DNA sequence usually consists of approximately 16,500 base pairs if no duplications, INC-regions or gene order rearrangements are observed. Black denotes genes coded on the Heavy strand (H-strand), grey denotes genes coded on the Light strand (L-strand), and white denotes protein-coding genes or INC-regions. A few DNA sequence protein-coding gene-sequence overlaps are present between ATP8/ATP6, ND4L/ND4 and ND5/ND6 also being observed in most vertebrates. (B) Mitochondrial gene order of Xenodermichthys copei (Alepocephalidae). The mitogenome consists of 18236 base pairs. Note the unique mitochondrial vertebrate gene order pertaining to the region 12S-Cox1 including also a functional Control Region. (C) Control Region of X. copei. Abbreviations follow common mitochondrial nomenclature or are written in the figure. Numbers refer to base pairs positions in the Control Region DNA sequence that consists of a total of 1310 nucleotides.

Figure 1 (A) Canonical gene order observed in most vertebrates. The mitogenome DNA sequence usually consists of approximately 16,500 base pairs if no duplications, INC-regions or gene order rearrangements are observed. Black denotes genes coded on the Heavy strand (H-strand), grey denotes genes coded on the Light strand (L-strand), and white denotes protein-coding genes or INC-regions. A few DNA sequence protein-coding gene-sequence overlaps are present between ATP8/ATP6, ND4L/ND4 and ND5/ND6 also being observed in most vertebrates. (B) Mitochondrial gene order of Xenodermichthys copei (Alepocephalidae). The mitogenome consists of 18236 base pairs. Note the unique mitochondrial vertebrate gene order pertaining to the region 12S-Cox1 including also a functional Control Region. (C) Control Region of X. copei. Abbreviations follow common mitochondrial nomenclature or are written in the figure. Numbers refer to base pairs positions in the Control Region DNA sequence that consists of a total of 1310 nucleotides.

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