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Mitochondrial DNA B Resour
2018 Nov 14;32:1225-1227. doi: 10.1080/23802359.2018.1532335.
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The complete mitochondrial genome of the sea urchin, Echinometra sp. EZ.
Ketchum RN
,
DeBiasse MB
,
Ryan JF
,
Burt JA
,
Reitzel AM
.
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The complete mitogenome of Echinometra sp. EZ has been described and fully annotated in this study. Phylogenetic analysis of cytochrome c oxidase subunit I (COI) from six Echinometra species confirms that our sample is E. sp. EZ. The mitogenome is 15,698 bp in length and contains 13 protein-coding genes, 22 tRNAs, 2 rRNAs, and a non-coding region with an identical organization to other Echinoidea. The E. sp. EZ mitogenome shared ∼99.1% identity to the published Echinometra mathaei mitogenome, differing by 147 SNPs. The E. sp. EZ mitogenome will serve as a resource that can be applied to disentangling the Echinometra species complex and to future population genetic studies of this ecologically important sea urchin species.
Figure 1:. The maximum likelihood (ML) tree generated using Geneious v11.1.4 with six Echinoidea species: Strongylocentrotus purpuratus (accession number: X12631.1), Lytechinus variegatus (NC_037785.1), Heterocentrotus mammillatus (NC_034768.1), Hemicentrotus pulcherrimus (NC_023771.1), Echinometra mathaei (NC_034767.1), Arbacia lixula (NC_001770.1), and one Holothuroidea as an outgroup: Holothuria forskali (FN562582.1). The ML tree was generated with an alignment of the whole mitogenome sequences of all species, using the GTR + G model. The numbers above the branches specify bootstrap percentages (1000 replicates).
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