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Mitochondrial DNA B Resour
2019 Sep 25;42:3244-3245. doi: 10.1080/23802359.2019.1669502.
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The complete mitochondrial genome sequence of Stichopus variegatus (Echinodermata: Holothuroidea) and phylogenetic studies of Echinodermata.
Yang Q
,
Lin Q
,
Wu J
,
Yang F
,
Ge H
,
Qiu D
,
Li Z
,
Lu Z
,
Li S
,
Zhou C
.
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At present, there exist some confusing issues on the species classification and phylogeny in Echinodermata. In this study, we first determined and described the complete mitochondrial genome of Stichopus variegatus. The complete mitogenome sequence had a circular mapping molecular with the total length of 16,315 bp and contained 13 protein-coding genes, 2 rRNA genes, 22 tRNA genes, and a putative control region. To further validate the newly determined sequences, phylogenetic trees involving all the Holothuroidea and other Echinodermata species available in GenBank Database were constructed. These results would be used for the species identification and further phylogenetic studies of Echinodermata.
Figure 1. Maximum-likelihood tree inferred from 13 protein-coding genes of mitochondrial genomes of 25 Eleutherzoa species from four classes, using two Pelmatozoa species as outgroups. The bootstrap values are based on 1000 re-samplings. The number at each node is the bootstrap probability. The number after the species name in the brackets is the GenBank accession number. The asterisks before species names indicate newly determined mitochondrial genome in this paper.
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